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TOMOYO Linux Cross Reference
Linux/tools/perf/pmu-events/jevents.py

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
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Diff markup

Differences between /tools/perf/pmu-events/jevents.py (Version linux-6.12-rc7) and /tools/perf/pmu-events/jevents.py (Version linux-6.4.16)


  1 #!/usr/bin/env python3                              1 #!/usr/bin/env python3
  2 # SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-      2 # SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
  3 """Convert directories of JSON events to C cod      3 """Convert directories of JSON events to C code."""
  4 import argparse                                     4 import argparse
  5 import csv                                          5 import csv
  6 from functools import lru_cache                     6 from functools import lru_cache
  7 import json                                         7 import json
  8 import metric                                       8 import metric
  9 import os                                           9 import os
 10 import sys                                         10 import sys
 11 from typing import (Callable, Dict, Optional,      11 from typing import (Callable, Dict, Optional, Sequence, Set, Tuple)
 12 import collections                                 12 import collections
 13                                                    13 
 14 # Global command line arguments.                   14 # Global command line arguments.
 15 _args = None                                       15 _args = None
 16 # List of regular event tables.                    16 # List of regular event tables.
 17 _event_tables = []                                 17 _event_tables = []
 18 # List of event tables generated from "/sys" d     18 # List of event tables generated from "/sys" directories.
 19 _sys_event_tables = []                             19 _sys_event_tables = []
 20 # List of regular metric tables.                   20 # List of regular metric tables.
 21 _metric_tables = []                                21 _metric_tables = []
 22 # List of metric tables generated from "/sys"      22 # List of metric tables generated from "/sys" directories.
 23 _sys_metric_tables = []                            23 _sys_metric_tables = []
 24 # Mapping between sys event table names and sy     24 # Mapping between sys event table names and sys metric table names.
 25 _sys_event_table_to_metric_table_mapping = {}      25 _sys_event_table_to_metric_table_mapping = {}
 26 # Map from an event name to an architecture st     26 # Map from an event name to an architecture standard
 27 # JsonEvent. Architecture standard events are      27 # JsonEvent. Architecture standard events are in json files in the top
 28 # f'{_args.starting_dir}/{_args.arch}' directo     28 # f'{_args.starting_dir}/{_args.arch}' directory.
 29 _arch_std_events = {}                              29 _arch_std_events = {}
 30 # Events to write out when the table is closed     30 # Events to write out when the table is closed
 31 _pending_events = []                               31 _pending_events = []
 32 # Name of events table to be written out           32 # Name of events table to be written out
 33 _pending_events_tblname = None                     33 _pending_events_tblname = None
 34 # Metrics to write out when the table is close     34 # Metrics to write out when the table is closed
 35 _pending_metrics = []                              35 _pending_metrics = []
 36 # Name of metrics table to be written out          36 # Name of metrics table to be written out
 37 _pending_metrics_tblname = None                    37 _pending_metrics_tblname = None
 38 # Global BigCString shared by all structures.      38 # Global BigCString shared by all structures.
 39 _bcs = None                                        39 _bcs = None
 40 # Map from the name of a metric group to a des << 
 41 _metricgroups = {}                             << 
 42 # Order specific JsonEvent attributes will be      40 # Order specific JsonEvent attributes will be visited.
 43 _json_event_attributes = [                         41 _json_event_attributes = [
 44     # cmp_sevent related attributes.               42     # cmp_sevent related attributes.
 45     'name', 'topic', 'desc',                   !!  43     'name', 'pmu', 'topic', 'desc',
 46     # Seems useful, put it early.                  44     # Seems useful, put it early.
 47     'event',                                       45     'event',
 48     # Short things in alphabetical order.          46     # Short things in alphabetical order.
 49     'compat', 'deprecated', 'perpkg', 'unit',      47     'compat', 'deprecated', 'perpkg', 'unit',
 50     # Longer things (the last won't be iterate     48     # Longer things (the last won't be iterated over during decompress).
 51     'long_desc'                                    49     'long_desc'
 52 ]                                                  50 ]
 53                                                    51 
 54 # Attributes that are in pmu_metric rather tha     52 # Attributes that are in pmu_metric rather than pmu_event.
 55 _json_metric_attributes = [                        53 _json_metric_attributes = [
 56     'metric_name', 'metric_group', 'metric_exp !!  54     'metric_name', 'metric_group', 'metric_expr', 'metric_threshold', 'desc',
 57     'desc', 'long_desc', 'unit', 'compat', 'me !!  55     'long_desc', 'unit', 'compat', 'metricgroup_no_group', 'aggr_mode',
 58     'default_metricgroup_name', 'aggr_mode', ' !!  56     'event_grouping'
 59 ]                                                  57 ]
 60 # Attributes that are bools or enum int values     58 # Attributes that are bools or enum int values, encoded as '0', '1',...
 61 _json_enum_attributes = ['aggr_mode', 'depreca     59 _json_enum_attributes = ['aggr_mode', 'deprecated', 'event_grouping', 'perpkg']
 62                                                    60 
 63 def removesuffix(s: str, suffix: str) -> str:      61 def removesuffix(s: str, suffix: str) -> str:
 64   """Remove the suffix from a string               62   """Remove the suffix from a string
 65                                                    63 
 66   The removesuffix function is added to str in     64   The removesuffix function is added to str in Python 3.9. We aim for 3.6
 67   compatibility and so provide our own functio     65   compatibility and so provide our own function here.
 68   """                                              66   """
 69   return s[0:-len(suffix)] if s.endswith(suffi     67   return s[0:-len(suffix)] if s.endswith(suffix) else s
 70                                                    68 
 71                                                    69 
 72 def file_name_to_table_name(prefix: str, paren     70 def file_name_to_table_name(prefix: str, parents: Sequence[str],
 73                             dirname: str) -> s     71                             dirname: str) -> str:
 74   """Generate a C table name from directory na     72   """Generate a C table name from directory names."""
 75   tblname = prefix                                 73   tblname = prefix
 76   for p in parents:                                74   for p in parents:
 77     tblname += '_' + p                             75     tblname += '_' + p
 78   tblname += '_' + dirname                         76   tblname += '_' + dirname
 79   return tblname.replace('-', '_')                 77   return tblname.replace('-', '_')
 80                                                    78 
 81                                                    79 
 82 def c_len(s: str) -> int:                          80 def c_len(s: str) -> int:
 83   """Return the length of s a C string             81   """Return the length of s a C string
 84                                                    82 
 85   This doesn't handle all escape characters pr     83   This doesn't handle all escape characters properly. It first assumes
 86   all \\ are for escaping, it then adjusts as  !!  84   all \ are for escaping, it then adjusts as it will have over counted
 87   \\. The code uses \000 rather than \0 as a t     85   \\. The code uses \000 rather than \0 as a terminator as an adjacent
 88   number would be folded into a string of \0 (     86   number would be folded into a string of \0 (ie. "\0" + "5" doesn't
 89   equal a terminator followed by the number 5      87   equal a terminator followed by the number 5 but the escape of
 90   \05). The code adjusts for \000 but not prop     88   \05). The code adjusts for \000 but not properly for all octal, hex
 91   or unicode values.                               89   or unicode values.
 92   """                                              90   """
 93   try:                                             91   try:
 94     utf = s.encode(encoding='utf-8',errors='st     92     utf = s.encode(encoding='utf-8',errors='strict')
 95   except:                                          93   except:
 96     print(f'broken string {s}')                    94     print(f'broken string {s}')
 97     raise                                          95     raise
 98   return len(utf) - utf.count(b'\\') + utf.cou     96   return len(utf) - utf.count(b'\\') + utf.count(b'\\\\') - (utf.count(b'\\000') * 2)
 99                                                    97 
100 class BigCString:                                  98 class BigCString:
101   """A class to hold many strings concatenated     99   """A class to hold many strings concatenated together.
102                                                   100 
103   Generating a large number of stand-alone C s    101   Generating a large number of stand-alone C strings creates a large
104   number of relocations in position independen    102   number of relocations in position independent code. The BigCString
105   is a helper for this case. It builds a singl    103   is a helper for this case. It builds a single string which within it
106   are all the other C strings (to avoid memory    104   are all the other C strings (to avoid memory issues the string
107   itself is held as a list of strings). The of    105   itself is held as a list of strings). The offsets within the big
108   string are recorded and when stored to disk     106   string are recorded and when stored to disk these don't need
109   relocation. To reduce the size of the string    107   relocation. To reduce the size of the string further, identical
110   strings are merged. If a longer string ends-    108   strings are merged. If a longer string ends-with the same value as a
111   shorter string, these entries are also merge    109   shorter string, these entries are also merged.
112   """                                             110   """
113   strings: Set[str]                               111   strings: Set[str]
114   big_string: Sequence[str]                       112   big_string: Sequence[str]
115   offsets: Dict[str, int]                         113   offsets: Dict[str, int]
116   insert_number: int                           << 
117   insert_point: Dict[str, int]                 << 
118   metrics: Set[str]                            << 
119                                                   114 
120   def __init__(self):                             115   def __init__(self):
121     self.strings = set()                          116     self.strings = set()
122     self.insert_number = 0;                    << 
123     self.insert_point = {}                     << 
124     self.metrics = set()                       << 
125                                                   117 
126   def add(self, s: str, metric: bool) -> None: !! 118   def add(self, s: str) -> None:
127     """Called to add to the big string."""        119     """Called to add to the big string."""
128     if s not in self.strings:                  !! 120     self.strings.add(s)
129       self.strings.add(s)                      << 
130       self.insert_point[s] = self.insert_numbe << 
131       self.insert_number += 1                  << 
132       if metric:                               << 
133         self.metrics.add(s)                    << 
134                                                   121 
135   def compute(self) -> None:                      122   def compute(self) -> None:
136     """Called once all strings are added to co    123     """Called once all strings are added to compute the string and offsets."""
137                                                   124 
138     folded_strings = {}                           125     folded_strings = {}
139     # Determine if two strings can be folded,     126     # Determine if two strings can be folded, ie. let 1 string use the
140     # end of another. First reverse all string    127     # end of another. First reverse all strings and sort them.
141     sorted_reversed_strings = sorted([x[::-1]     128     sorted_reversed_strings = sorted([x[::-1] for x in self.strings])
142                                                   129 
143     # Strings 'xyz' and 'yz' will now be [ 'zy    130     # Strings 'xyz' and 'yz' will now be [ 'zy', 'zyx' ]. Scan forward
144     # for each string to see if there is a bet    131     # for each string to see if there is a better candidate to fold it
145     # into, in the example rather than using '    132     # into, in the example rather than using 'yz' we can use'xyz' at
146     # an offset of 1. We record which string c    133     # an offset of 1. We record which string can be folded into which
147     # in folded_strings, we don't need to reco    134     # in folded_strings, we don't need to record the offset as it is
148     # trivially computed from the string lengt    135     # trivially computed from the string lengths.
149     for pos,s in enumerate(sorted_reversed_str    136     for pos,s in enumerate(sorted_reversed_strings):
150       best_pos = pos                              137       best_pos = pos
151       for check_pos in range(pos + 1, len(sort    138       for check_pos in range(pos + 1, len(sorted_reversed_strings)):
152         if sorted_reversed_strings[check_pos].    139         if sorted_reversed_strings[check_pos].startswith(s):
153           best_pos = check_pos                    140           best_pos = check_pos
154         else:                                     141         else:
155           break                                   142           break
156       if pos != best_pos:                         143       if pos != best_pos:
157         folded_strings[s[::-1]] = sorted_rever    144         folded_strings[s[::-1]] = sorted_reversed_strings[best_pos][::-1]
158                                                   145 
159     # Compute reverse mappings for debugging.     146     # Compute reverse mappings for debugging.
160     fold_into_strings = collections.defaultdic    147     fold_into_strings = collections.defaultdict(set)
161     for key, val in folded_strings.items():       148     for key, val in folded_strings.items():
162       if key != val:                              149       if key != val:
163         fold_into_strings[val].add(key)           150         fold_into_strings[val].add(key)
164                                                   151 
165     # big_string_offset is the current locatio    152     # big_string_offset is the current location within the C string
166     # being appended to - comments, etc. don't    153     # being appended to - comments, etc. don't count. big_string is
167     # the string contents represented as a lis    154     # the string contents represented as a list. Strings are immutable
168     # in Python and so appending to one causes    155     # in Python and so appending to one causes memory issues, while
169     # lists are mutable.                          156     # lists are mutable.
170     big_string_offset = 0                         157     big_string_offset = 0
171     self.big_string = []                          158     self.big_string = []
172     self.offsets = {}                             159     self.offsets = {}
173                                                   160 
174     def string_cmp_key(s: str) -> Tuple[bool,  << 
175       return (s in self.metrics, self.insert_p << 
176                                                << 
177     # Emit all strings that aren't folded in a    161     # Emit all strings that aren't folded in a sorted manner.
178     for s in sorted(self.strings, key=string_c !! 162     for s in sorted(self.strings):
179       if s not in folded_strings:                 163       if s not in folded_strings:
180         self.offsets[s] = big_string_offset       164         self.offsets[s] = big_string_offset
181         self.big_string.append(f'/* offset={bi    165         self.big_string.append(f'/* offset={big_string_offset} */ "')
182         self.big_string.append(s)                 166         self.big_string.append(s)
183         self.big_string.append('"')               167         self.big_string.append('"')
184         if s in fold_into_strings:                168         if s in fold_into_strings:
185           self.big_string.append(' /* also: '     169           self.big_string.append(' /* also: ' + ', '.join(fold_into_strings[s]) + ' */')
186         self.big_string.append('\n')              170         self.big_string.append('\n')
187         big_string_offset += c_len(s)             171         big_string_offset += c_len(s)
188         continue                                  172         continue
189                                                   173 
190     # Compute the offsets of the folded string    174     # Compute the offsets of the folded strings.
191     for s in folded_strings.keys():               175     for s in folded_strings.keys():
192       assert s not in self.offsets                176       assert s not in self.offsets
193       folded_s = folded_strings[s]                177       folded_s = folded_strings[s]
194       self.offsets[s] = self.offsets[folded_s]    178       self.offsets[s] = self.offsets[folded_s] + c_len(folded_s) - c_len(s)
195                                                   179 
196 _bcs = BigCString()                               180 _bcs = BigCString()
197                                                   181 
198 class JsonEvent:                                  182 class JsonEvent:
199   """Representation of an event loaded from a     183   """Representation of an event loaded from a json file dictionary."""
200                                                   184 
201   def __init__(self, jd: dict):                   185   def __init__(self, jd: dict):
202     """Constructor passed the dictionary of pa    186     """Constructor passed the dictionary of parsed json values."""
203                                                   187 
204     def llx(x: int) -> str:                       188     def llx(x: int) -> str:
205       """Convert an int to a string similar to    189       """Convert an int to a string similar to a printf modifier of %#llx."""
206       return str(x) if x >= 0 and x < 10 else  !! 190       return '0' if x == 0 else hex(x)
207                                                   191 
208     def fixdesc(s: str) -> str:                   192     def fixdesc(s: str) -> str:
209       """Fix formatting issue for the desc str    193       """Fix formatting issue for the desc string."""
210       if s is None:                               194       if s is None:
211         return None                               195         return None
212       return removesuffix(removesuffix(removes    196       return removesuffix(removesuffix(removesuffix(s, '.  '),
213                                        '. '),     197                                        '. '), '.').replace('\n', '\\n').replace(
214                                            '\"    198                                            '\"', '\\"').replace('\r', '\\r')
215                                                   199 
216     def convert_aggr_mode(aggr_mode: str) -> O    200     def convert_aggr_mode(aggr_mode: str) -> Optional[str]:
217       """Returns the aggr_mode_class enum valu    201       """Returns the aggr_mode_class enum value associated with the JSON string."""
218       if not aggr_mode:                           202       if not aggr_mode:
219         return None                               203         return None
220       aggr_mode_to_enum = {                       204       aggr_mode_to_enum = {
221           'PerChip': '1',                         205           'PerChip': '1',
222           'PerCore': '2',                         206           'PerCore': '2',
223       }                                           207       }
224       return aggr_mode_to_enum[aggr_mode]         208       return aggr_mode_to_enum[aggr_mode]
225                                                   209 
226     def convert_metric_constraint(metric_const    210     def convert_metric_constraint(metric_constraint: str) -> Optional[str]:
227       """Returns the metric_event_groups enum     211       """Returns the metric_event_groups enum value associated with the JSON string."""
228       if not metric_constraint:                   212       if not metric_constraint:
229         return None                               213         return None
230       metric_constraint_to_enum = {               214       metric_constraint_to_enum = {
231           'NO_GROUP_EVENTS': '1',                 215           'NO_GROUP_EVENTS': '1',
232           'NO_GROUP_EVENTS_NMI': '2',             216           'NO_GROUP_EVENTS_NMI': '2',
233           'NO_NMI_WATCHDOG': '2',                 217           'NO_NMI_WATCHDOG': '2',
234           'NO_GROUP_EVENTS_SMT': '3',             218           'NO_GROUP_EVENTS_SMT': '3',
235       }                                           219       }
236       return metric_constraint_to_enum[metric_    220       return metric_constraint_to_enum[metric_constraint]
237                                                   221 
238     def lookup_msr(num: str) -> Optional[str]:    222     def lookup_msr(num: str) -> Optional[str]:
239       """Converts the msr number, or first in     223       """Converts the msr number, or first in a list to the appropriate event field."""
240       if not num:                                 224       if not num:
241         return None                               225         return None
242       msrmap = {                                  226       msrmap = {
243           0x3F6: 'ldlat=',                        227           0x3F6: 'ldlat=',
244           0x1A6: 'offcore_rsp=',                  228           0x1A6: 'offcore_rsp=',
245           0x1A7: 'offcore_rsp=',                  229           0x1A7: 'offcore_rsp=',
246           0x3F7: 'frontend=',                     230           0x3F7: 'frontend=',
247       }                                           231       }
248       return msrmap[int(num.split(',', 1)[0],     232       return msrmap[int(num.split(',', 1)[0], 0)]
249                                                   233 
250     def real_event(name: str, event: str) -> O    234     def real_event(name: str, event: str) -> Optional[str]:
251       """Convert well known event names to an     235       """Convert well known event names to an event string otherwise use the event argument."""
252       fixed = {                                   236       fixed = {
253           'inst_retired.any': 'event=0xc0,peri    237           'inst_retired.any': 'event=0xc0,period=2000003',
254           'inst_retired.any_p': 'event=0xc0,pe    238           'inst_retired.any_p': 'event=0xc0,period=2000003',
255           'cpu_clk_unhalted.ref': 'event=0x0,u    239           'cpu_clk_unhalted.ref': 'event=0x0,umask=0x03,period=2000003',
256           'cpu_clk_unhalted.thread': 'event=0x    240           'cpu_clk_unhalted.thread': 'event=0x3c,period=2000003',
257           'cpu_clk_unhalted.core': 'event=0x3c    241           'cpu_clk_unhalted.core': 'event=0x3c,period=2000003',
258           'cpu_clk_unhalted.thread_any': 'even    242           'cpu_clk_unhalted.thread_any': 'event=0x3c,any=1,period=2000003',
259       }                                           243       }
260       if not name:                                244       if not name:
261         return None                               245         return None
262       if name.lower() in fixed:                   246       if name.lower() in fixed:
263         return fixed[name.lower()]                247         return fixed[name.lower()]
264       return event                                248       return event
265                                                   249 
266     def unit_to_pmu(unit: str) -> Optional[str    250     def unit_to_pmu(unit: str) -> Optional[str]:
267       """Convert a JSON Unit to Linux PMU name    251       """Convert a JSON Unit to Linux PMU name."""
268       if not unit:                                252       if not unit:
269         return 'default_core'                  !! 253         return None
270       # Comment brought over from jevents.c:      254       # Comment brought over from jevents.c:
271       # it's not realistic to keep adding thes    255       # it's not realistic to keep adding these, we need something more scalable ...
272       table = {                                   256       table = {
273           'CBO': 'uncore_cbox',                   257           'CBO': 'uncore_cbox',
274           'QPI LL': 'uncore_qpi',                 258           'QPI LL': 'uncore_qpi',
275           'SBO': 'uncore_sbox',                   259           'SBO': 'uncore_sbox',
276           'iMPH-U': 'uncore_arb',                 260           'iMPH-U': 'uncore_arb',
277           'CPU-M-CF': 'cpum_cf',                  261           'CPU-M-CF': 'cpum_cf',
278           'CPU-M-SF': 'cpum_sf',                  262           'CPU-M-SF': 'cpum_sf',
279           'PAI-CRYPTO' : 'pai_crypto',            263           'PAI-CRYPTO' : 'pai_crypto',
280           'PAI-EXT' : 'pai_ext',                  264           'PAI-EXT' : 'pai_ext',
281           'UPI LL': 'uncore_upi',                 265           'UPI LL': 'uncore_upi',
282           'hisi_sicl,cpa': 'hisi_sicl,cpa',       266           'hisi_sicl,cpa': 'hisi_sicl,cpa',
283           'hisi_sccl,ddrc': 'hisi_sccl,ddrc',     267           'hisi_sccl,ddrc': 'hisi_sccl,ddrc',
284           'hisi_sccl,hha': 'hisi_sccl,hha',       268           'hisi_sccl,hha': 'hisi_sccl,hha',
285           'hisi_sccl,l3c': 'hisi_sccl,l3c',       269           'hisi_sccl,l3c': 'hisi_sccl,l3c',
286           'imx8_ddr': 'imx8_ddr',                 270           'imx8_ddr': 'imx8_ddr',
287           'imx9_ddr': 'imx9_ddr',              << 
288           'L3PMC': 'amd_l3',                      271           'L3PMC': 'amd_l3',
289           'DFPMC': 'amd_df',                      272           'DFPMC': 'amd_df',
290           'UMCPMC': 'amd_umc',                 << 
291           'cpu_core': 'cpu_core',                 273           'cpu_core': 'cpu_core',
292           'cpu_atom': 'cpu_atom',                 274           'cpu_atom': 'cpu_atom',
293           'ali_drw': 'ali_drw',                << 
294           'arm_cmn': 'arm_cmn',                << 
295       }                                           275       }
296       return table[unit] if unit in table else    276       return table[unit] if unit in table else f'uncore_{unit.lower()}'
297                                                   277 
298     def is_zero(val: str) -> bool:             << 
299         try:                                   << 
300             if val.startswith('0x'):           << 
301                 return int(val, 16) == 0       << 
302             else:                              << 
303                 return int(val) == 0           << 
304         except e:                              << 
305             return False                       << 
306                                                << 
307     def canonicalize_value(val: str) -> str:   << 
308         try:                                   << 
309             if val.startswith('0x'):           << 
310                 return llx(int(val, 16))       << 
311             return str(int(val))               << 
312         except e:                              << 
313             return val                         << 
314                                                << 
315     eventcode = 0                                 278     eventcode = 0
316     if 'EventCode' in jd:                         279     if 'EventCode' in jd:
317       eventcode = int(jd['EventCode'].split(',    280       eventcode = int(jd['EventCode'].split(',', 1)[0], 0)
318     if 'ExtSel' in jd:                            281     if 'ExtSel' in jd:
319       eventcode |= int(jd['ExtSel']) << 8         282       eventcode |= int(jd['ExtSel']) << 8
320     configcode = int(jd['ConfigCode'], 0) if '    283     configcode = int(jd['ConfigCode'], 0) if 'ConfigCode' in jd else None
321     eventidcode = int(jd['EventidCode'], 0) if << 
322     self.name = jd['EventName'].lower() if 'Ev    284     self.name = jd['EventName'].lower() if 'EventName' in jd else None
323     self.topic = ''                               285     self.topic = ''
324     self.compat = jd.get('Compat')                286     self.compat = jd.get('Compat')
325     self.desc = fixdesc(jd.get('BriefDescripti    287     self.desc = fixdesc(jd.get('BriefDescription'))
326     self.long_desc = fixdesc(jd.get('PublicDes    288     self.long_desc = fixdesc(jd.get('PublicDescription'))
327     precise = jd.get('PEBS')                      289     precise = jd.get('PEBS')
328     msr = lookup_msr(jd.get('MSRIndex'))          290     msr = lookup_msr(jd.get('MSRIndex'))
329     msrval = jd.get('MSRValue')                   291     msrval = jd.get('MSRValue')
330     extra_desc = ''                               292     extra_desc = ''
331     if 'Data_LA' in jd:                           293     if 'Data_LA' in jd:
332       extra_desc += '  Supports address when p    294       extra_desc += '  Supports address when precise'
333       if 'Errata' in jd:                          295       if 'Errata' in jd:
334         extra_desc += '.'                         296         extra_desc += '.'
335     if 'Errata' in jd:                            297     if 'Errata' in jd:
336       extra_desc += '  Spec update: ' + jd['Er    298       extra_desc += '  Spec update: ' + jd['Errata']
337     self.pmu = unit_to_pmu(jd.get('Unit'))        299     self.pmu = unit_to_pmu(jd.get('Unit'))
338     filter = jd.get('Filter')                     300     filter = jd.get('Filter')
339     self.unit = jd.get('ScaleUnit')               301     self.unit = jd.get('ScaleUnit')
340     self.perpkg = jd.get('PerPkg')                302     self.perpkg = jd.get('PerPkg')
341     self.aggr_mode = convert_aggr_mode(jd.get(    303     self.aggr_mode = convert_aggr_mode(jd.get('AggregationMode'))
342     self.deprecated = jd.get('Deprecated')        304     self.deprecated = jd.get('Deprecated')
343     self.metric_name = jd.get('MetricName')       305     self.metric_name = jd.get('MetricName')
344     self.metric_group = jd.get('MetricGroup')     306     self.metric_group = jd.get('MetricGroup')
345     self.metricgroup_no_group = jd.get('Metric    307     self.metricgroup_no_group = jd.get('MetricgroupNoGroup')
346     self.default_metricgroup_name = jd.get('De << 
347     self.event_grouping = convert_metric_const    308     self.event_grouping = convert_metric_constraint(jd.get('MetricConstraint'))
348     self.metric_expr = None                       309     self.metric_expr = None
349     if 'MetricExpr' in jd:                        310     if 'MetricExpr' in jd:
350       self.metric_expr = metric.ParsePerfJson(    311       self.metric_expr = metric.ParsePerfJson(jd['MetricExpr']).Simplify()
351     # Note, the metric formula for the thresho    312     # Note, the metric formula for the threshold isn't parsed as the &
352     # and > have incorrect precedence.            313     # and > have incorrect precedence.
353     self.metric_threshold = jd.get('MetricThre    314     self.metric_threshold = jd.get('MetricThreshold')
354                                                   315 
355     arch_std = jd.get('ArchStdEvent')             316     arch_std = jd.get('ArchStdEvent')
356     if precise and self.desc and '(Precise Eve    317     if precise and self.desc and '(Precise Event)' not in self.desc:
357       extra_desc += ' (Must be precise)' if pr    318       extra_desc += ' (Must be precise)' if precise == '2' else (' (Precise '
358                                                   319                                                                  'event)')
359     event = None                               !! 320     event = f'config={llx(configcode)}' if configcode is not None else f'event={llx(eventcode)}'
360     if configcode is not None:                 << 
361       event = f'config={llx(configcode)}'      << 
362     elif eventidcode is not None:              << 
363       event = f'eventid={llx(eventidcode)}'    << 
364     else:                                      << 
365       event = f'event={llx(eventcode)}'        << 
366     event_fields = [                              321     event_fields = [
367         ('AnyThread', 'any='),                    322         ('AnyThread', 'any='),
368         ('PortMask', 'ch_mask='),                 323         ('PortMask', 'ch_mask='),
369         ('CounterMask', 'cmask='),                324         ('CounterMask', 'cmask='),
370         ('EdgeDetect', 'edge='),                  325         ('EdgeDetect', 'edge='),
371         ('FCMask', 'fc_mask='),                   326         ('FCMask', 'fc_mask='),
372         ('Invert', 'inv='),                       327         ('Invert', 'inv='),
373         ('SampleAfterValue', 'period='),          328         ('SampleAfterValue', 'period='),
374         ('UMask', 'umask='),                      329         ('UMask', 'umask='),
375         ('NodeType', 'type='),                 << 
376         ('RdWrMask', 'rdwrmask='),             << 
377         ('EnAllCores', 'enallcores='),         << 
378         ('EnAllSlices', 'enallslices='),       << 
379         ('SliceId', 'sliceid='),               << 
380         ('ThreadMask', 'threadmask='),         << 
381     ]                                             330     ]
382     for key, value in event_fields:               331     for key, value in event_fields:
383       if key in jd and not is_zero(jd[key]):   !! 332       if key in jd and jd[key] != '0':
384         event += f',{value}{canonicalize_value !! 333         event += ',' + value + jd[key]
385     if filter:                                    334     if filter:
386       event += f',{filter}'                       335       event += f',{filter}'
387     if msr:                                       336     if msr:
388       event += f',{msr}{msrval}'                  337       event += f',{msr}{msrval}'
389     if self.desc and extra_desc:                  338     if self.desc and extra_desc:
390       self.desc += extra_desc                     339       self.desc += extra_desc
391     if self.long_desc and extra_desc:             340     if self.long_desc and extra_desc:
392       self.long_desc += extra_desc                341       self.long_desc += extra_desc
393     if arch_std:                               !! 342     if self.pmu:
394       if arch_std.lower() in _arch_std_events: !! 343       if self.desc and not self.desc.endswith('. '):
395         event = _arch_std_events[arch_std.lowe !! 344         self.desc += '. '
396         # Copy from the architecture standard  !! 345       self.desc = (self.desc if self.desc else '') + ('Unit: ' + self.pmu + ' ')
397         for attr, value in _arch_std_events[ar !! 346     if arch_std and arch_std.lower() in _arch_std_events:
398           if hasattr(self, attr) and not getat !! 347       event = _arch_std_events[arch_std.lower()].event
399             setattr(self, attr, value)         !! 348       # Copy from the architecture standard event to self for undefined fields.
400       else:                                    !! 349       for attr, value in _arch_std_events[arch_std.lower()].__dict__.items():
401         raise argparse.ArgumentTypeError('Cann !! 350         if hasattr(self, attr) and not getattr(self, attr):
                                                   >> 351           setattr(self, attr, value)
402                                                   352 
403     self.event = real_event(self.name, event)     353     self.event = real_event(self.name, event)
404                                                   354 
405   def __repr__(self) -> str:                      355   def __repr__(self) -> str:
406     """String representation primarily for deb    356     """String representation primarily for debugging."""
407     s = '{\n'                                     357     s = '{\n'
408     for attr, value in self.__dict__.items():     358     for attr, value in self.__dict__.items():
409       if value:                                   359       if value:
410         s += f'\t{attr} = {value},\n'             360         s += f'\t{attr} = {value},\n'
411     return s + '}'                                361     return s + '}'
412                                                   362 
413   def build_c_string(self, metric: bool) -> st    363   def build_c_string(self, metric: bool) -> str:
414     s = ''                                        364     s = ''
415     for attr in _json_metric_attributes if met    365     for attr in _json_metric_attributes if metric else _json_event_attributes:
416       x = getattr(self, attr)                     366       x = getattr(self, attr)
417       if metric and x and attr == 'metric_expr    367       if metric and x and attr == 'metric_expr':
418         # Convert parsed metric expressions in    368         # Convert parsed metric expressions into a string. Slashes
419         # must be doubled in the file.            369         # must be doubled in the file.
420         x = x.ToPerfJson().replace('\\', '\\\\    370         x = x.ToPerfJson().replace('\\', '\\\\')
421       if metric and x and attr == 'metric_thre    371       if metric and x and attr == 'metric_threshold':
422         x = x.replace('\\', '\\\\')               372         x = x.replace('\\', '\\\\')
423       if attr in _json_enum_attributes:           373       if attr in _json_enum_attributes:
424         s += x if x else '0'                      374         s += x if x else '0'
425       else:                                       375       else:
426         s += f'{x}\\000' if x else '\\000'        376         s += f'{x}\\000' if x else '\\000'
427     return s                                      377     return s
428                                                   378 
429   def to_c_string(self, metric: bool) -> str:     379   def to_c_string(self, metric: bool) -> str:
430     """Representation of the event as a C stru    380     """Representation of the event as a C struct initializer."""
431                                                   381 
432     s = self.build_c_string(metric)               382     s = self.build_c_string(metric)
433     return f'{{ { _bcs.offsets[s] } }}, /* {s}    383     return f'{{ { _bcs.offsets[s] } }}, /* {s} */\n'
434                                                   384 
435                                                   385 
436 @lru_cache(maxsize=None)                          386 @lru_cache(maxsize=None)
437 def read_json_events(path: str, topic: str) ->    387 def read_json_events(path: str, topic: str) -> Sequence[JsonEvent]:
438   """Read json events from the specified file.    388   """Read json events from the specified file."""
439   try:                                            389   try:
440     events = json.load(open(path), object_hook    390     events = json.load(open(path), object_hook=JsonEvent)
441   except BaseException as err:                    391   except BaseException as err:
442     print(f"Exception processing {path}")         392     print(f"Exception processing {path}")
443     raise                                         393     raise
444   metrics: list[Tuple[str, str, metric.Express !! 394   metrics: list[Tuple[str, metric.Expression]] = []
445   for event in events:                            395   for event in events:
446     event.topic = topic                           396     event.topic = topic
447     if event.metric_name and '-' not in event.    397     if event.metric_name and '-' not in event.metric_name:
448       metrics.append((event.pmu, event.metric_ !! 398       metrics.append((event.metric_name, event.metric_expr))
449   updates = metric.RewriteMetricsInTermsOfOthe    399   updates = metric.RewriteMetricsInTermsOfOthers(metrics)
450   if updates:                                     400   if updates:
451     for event in events:                          401     for event in events:
452       if event.metric_name in updates:            402       if event.metric_name in updates:
453         # print(f'Updated {event.metric_name}     403         # print(f'Updated {event.metric_name} from\n"{event.metric_expr}"\n'
454         #       f'to\n"{updates[event.metric_n    404         #       f'to\n"{updates[event.metric_name]}"')
455         event.metric_expr = updates[event.metr    405         event.metric_expr = updates[event.metric_name]
456                                                   406 
457   return events                                   407   return events
458                                                   408 
459 def preprocess_arch_std_files(archpath: str) -    409 def preprocess_arch_std_files(archpath: str) -> None:
460   """Read in all architecture standard events.    410   """Read in all architecture standard events."""
461   global _arch_std_events                         411   global _arch_std_events
462   for item in os.scandir(archpath):               412   for item in os.scandir(archpath):
463     if item.is_file() and item.name.endswith('    413     if item.is_file() and item.name.endswith('.json'):
464       for event in read_json_events(item.path,    414       for event in read_json_events(item.path, topic=''):
465         if event.name:                            415         if event.name:
466           _arch_std_events[event.name.lower()]    416           _arch_std_events[event.name.lower()] = event
467         if event.metric_name:                     417         if event.metric_name:
468           _arch_std_events[event.metric_name.l    418           _arch_std_events[event.metric_name.lower()] = event
469                                                   419 
470                                                   420 
471 def add_events_table_entries(item: os.DirEntry    421 def add_events_table_entries(item: os.DirEntry, topic: str) -> None:
472   """Add contents of file to _pending_events t    422   """Add contents of file to _pending_events table."""
473   for e in read_json_events(item.path, topic):    423   for e in read_json_events(item.path, topic):
474     if e.name:                                    424     if e.name:
475       _pending_events.append(e)                   425       _pending_events.append(e)
476     if e.metric_name:                             426     if e.metric_name:
477       _pending_metrics.append(e)                  427       _pending_metrics.append(e)
478                                                   428 
479                                                   429 
480 def print_pending_events() -> None:               430 def print_pending_events() -> None:
481   """Optionally close events table."""            431   """Optionally close events table."""
482                                                   432 
483   def event_cmp_key(j: JsonEvent) -> Tuple[str !! 433   def event_cmp_key(j: JsonEvent) -> Tuple[bool, str, str, str, str]:
484     def fix_none(s: Optional[str]) -> str:        434     def fix_none(s: Optional[str]) -> str:
485       if s is None:                               435       if s is None:
486         return ''                                 436         return ''
487       return s                                    437       return s
488                                                   438 
489     return (fix_none(j.pmu).replace(',','_'),  !! 439     return (j.desc is not None, fix_none(j.topic), fix_none(j.name), fix_none(j.pmu),
490             fix_none(j.metric_name))              440             fix_none(j.metric_name))
491                                                   441 
492   global _pending_events                          442   global _pending_events
493   if not _pending_events:                         443   if not _pending_events:
494     return                                        444     return
495                                                   445 
496   global _pending_events_tblname                  446   global _pending_events_tblname
497   if _pending_events_tblname.endswith('_sys'):    447   if _pending_events_tblname.endswith('_sys'):
498     global _sys_event_tables                      448     global _sys_event_tables
499     _sys_event_tables.append(_pending_events_t    449     _sys_event_tables.append(_pending_events_tblname)
500   else:                                           450   else:
501     global event_tables                           451     global event_tables
502     _event_tables.append(_pending_events_tblna    452     _event_tables.append(_pending_events_tblname)
503                                                   453 
504   first = True                                 !! 454   _args.output_file.write(
505   last_pmu = None                              !! 455       f'static const struct compact_pmu_event {_pending_events_tblname}[] = {{\n')
506   last_name = None                             << 
507   pmus = set()                                 << 
508   for event in sorted(_pending_events, key=eve << 
509     if last_pmu and last_pmu == event.pmu:     << 
510       assert event.name != last_name, f"Duplic << 
511     if event.pmu != last_pmu:                  << 
512       if not first:                            << 
513         _args.output_file.write('};\n')        << 
514       pmu_name = event.pmu.replace(',', '_')   << 
515       _args.output_file.write(                 << 
516           f'static const struct compact_pmu_ev << 
517       first = False                            << 
518       last_pmu = event.pmu                     << 
519       pmus.add((event.pmu, pmu_name))          << 
520                                                   456 
                                                   >> 457   for event in sorted(_pending_events, key=event_cmp_key):
521     _args.output_file.write(event.to_c_string(    458     _args.output_file.write(event.to_c_string(metric=False))
522     last_name = event.name                     << 
523   _pending_events = []                            459   _pending_events = []
524                                                   460 
525   _args.output_file.write(f"""                 << 
526 }};                                            << 
527                                                << 
528 const struct pmu_table_entry {_pending_events_ << 
529 """)                                           << 
530   for (pmu, tbl_pmu) in sorted(pmus):          << 
531     pmu_name = f"{pmu}\\000"                   << 
532     _args.output_file.write(f"""{{             << 
533      .entries = {_pending_events_tblname}_{tbl << 
534      .num_entries = ARRAY_SIZE({_pending_event << 
535      .pmu_name = {{ {_bcs.offsets[pmu_name]} / << 
536 }},                                            << 
537 """)                                           << 
538   _args.output_file.write('};\n\n')               461   _args.output_file.write('};\n\n')
539                                                   462 
540 def print_pending_metrics() -> None:              463 def print_pending_metrics() -> None:
541   """Optionally close metrics table."""           464   """Optionally close metrics table."""
542                                                   465 
543   def metric_cmp_key(j: JsonEvent) -> Tuple[bo    466   def metric_cmp_key(j: JsonEvent) -> Tuple[bool, str, str]:
544     def fix_none(s: Optional[str]) -> str:        467     def fix_none(s: Optional[str]) -> str:
545       if s is None:                               468       if s is None:
546         return ''                                 469         return ''
547       return s                                    470       return s
548                                                   471 
549     return (j.desc is not None, fix_none(j.pmu    472     return (j.desc is not None, fix_none(j.pmu), fix_none(j.metric_name))
550                                                   473 
551   global _pending_metrics                         474   global _pending_metrics
552   if not _pending_metrics:                        475   if not _pending_metrics:
553     return                                        476     return
554                                                   477 
555   global _pending_metrics_tblname                 478   global _pending_metrics_tblname
556   if _pending_metrics_tblname.endswith('_sys')    479   if _pending_metrics_tblname.endswith('_sys'):
557     global _sys_metric_tables                     480     global _sys_metric_tables
558     _sys_metric_tables.append(_pending_metrics    481     _sys_metric_tables.append(_pending_metrics_tblname)
559   else:                                           482   else:
560     global metric_tables                          483     global metric_tables
561     _metric_tables.append(_pending_metrics_tbl    484     _metric_tables.append(_pending_metrics_tblname)
562                                                   485 
563   first = True                                 !! 486   _args.output_file.write(
564   last_pmu = None                              !! 487       f'static const struct compact_pmu_event {_pending_metrics_tblname}[] = {{\n')
565   pmus = set()                                 << 
566   for metric in sorted(_pending_metrics, key=m << 
567     if metric.pmu != last_pmu:                 << 
568       if not first:                            << 
569         _args.output_file.write('};\n')        << 
570       pmu_name = metric.pmu.replace(',', '_')  << 
571       _args.output_file.write(                 << 
572           f'static const struct compact_pmu_ev << 
573       first = False                            << 
574       last_pmu = metric.pmu                    << 
575       pmus.add((metric.pmu, pmu_name))         << 
576                                                   488 
                                                   >> 489   for metric in sorted(_pending_metrics, key=metric_cmp_key):
577     _args.output_file.write(metric.to_c_string    490     _args.output_file.write(metric.to_c_string(metric=True))
578   _pending_metrics = []                           491   _pending_metrics = []
579                                                   492 
580   _args.output_file.write(f"""                 << 
581 }};                                            << 
582                                                << 
583 const struct pmu_table_entry {_pending_metrics << 
584 """)                                           << 
585   for (pmu, tbl_pmu) in sorted(pmus):          << 
586     pmu_name = f"{pmu}\\000"                   << 
587     _args.output_file.write(f"""{{             << 
588      .entries = {_pending_metrics_tblname}_{tb << 
589      .num_entries = ARRAY_SIZE({_pending_metri << 
590      .pmu_name = {{ {_bcs.offsets[pmu_name]} / << 
591 }},                                            << 
592 """)                                           << 
593   _args.output_file.write('};\n\n')               493   _args.output_file.write('};\n\n')
594                                                   494 
595 def get_topic(topic: str) -> str:                 495 def get_topic(topic: str) -> str:
596   if topic.endswith('metrics.json'):              496   if topic.endswith('metrics.json'):
597     return 'metrics'                              497     return 'metrics'
598   return removesuffix(topic, '.json').replace(    498   return removesuffix(topic, '.json').replace('-', ' ')
599                                                   499 
600 def preprocess_one_file(parents: Sequence[str]    500 def preprocess_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
601                                                   501 
602   if item.is_dir():                               502   if item.is_dir():
603     return                                        503     return
604                                                   504 
605   # base dir or too deep                          505   # base dir or too deep
606   level = len(parents)                            506   level = len(parents)
607   if level == 0 or level > 4:                     507   if level == 0 or level > 4:
608     return                                        508     return
609                                                   509 
610   # Ignore other directories. If the file name    510   # Ignore other directories. If the file name does not have a .json
611   # extension, ignore it. It could be a readme    511   # extension, ignore it. It could be a readme.txt for instance.
612   if not item.is_file() or not item.name.endsw    512   if not item.is_file() or not item.name.endswith('.json'):
613     return                                        513     return
614                                                   514 
615   if item.name == 'metricgroups.json':         << 
616     metricgroup_descriptions = json.load(open( << 
617     for mgroup in metricgroup_descriptions:    << 
618       assert len(mgroup) > 1, parents          << 
619       description = f"{metricgroup_description << 
620       mgroup = f"{mgroup}\\000"                << 
621       _bcs.add(mgroup, metric=True)            << 
622       _bcs.add(description, metric=True)       << 
623       _metricgroups[mgroup] = description      << 
624     return                                     << 
625                                                << 
626   topic = get_topic(item.name)                    515   topic = get_topic(item.name)
627   for event in read_json_events(item.path, top    516   for event in read_json_events(item.path, topic):
628     pmu_name = f"{event.pmu}\\000"             << 
629     if event.name:                                517     if event.name:
630       _bcs.add(pmu_name, metric=False)         !! 518       _bcs.add(event.build_c_string(metric=False))
631       _bcs.add(event.build_c_string(metric=Fal << 
632     if event.metric_name:                         519     if event.metric_name:
633       _bcs.add(pmu_name, metric=True)          !! 520       _bcs.add(event.build_c_string(metric=True))
634       _bcs.add(event.build_c_string(metric=Tru << 
635                                                   521 
636 def process_one_file(parents: Sequence[str], i    522 def process_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
637   """Process a JSON file during the main walk.    523   """Process a JSON file during the main walk."""
638   def is_leaf_dir_ignoring_sys(path: str) -> b !! 524   def is_leaf_dir(path: str) -> bool:
639     for item in os.scandir(path):                 525     for item in os.scandir(path):
640       if item.is_dir() and item.name != 'sys': !! 526       if item.is_dir():
641         return False                              527         return False
642     return True                                   528     return True
643                                                   529 
644   # Model directories are leaves (ignoring pos !! 530   # model directory, reset topic
645   # directories). The FTW will walk into the d !! 531   if item.is_dir() and is_leaf_dir(item.path):
646   # pending events and metrics and update the  << 
647   # model directory.                           << 
648   if item.is_dir() and is_leaf_dir_ignoring_sy << 
649     print_pending_events()                        532     print_pending_events()
650     print_pending_metrics()                       533     print_pending_metrics()
651                                                   534 
652     global _pending_events_tblname                535     global _pending_events_tblname
653     _pending_events_tblname = file_name_to_tab    536     _pending_events_tblname = file_name_to_table_name('pmu_events_', parents, item.name)
654     global _pending_metrics_tblname               537     global _pending_metrics_tblname
655     _pending_metrics_tblname = file_name_to_ta    538     _pending_metrics_tblname = file_name_to_table_name('pmu_metrics_', parents, item.name)
656                                                   539 
657     if item.name == 'sys':                        540     if item.name == 'sys':
658       _sys_event_table_to_metric_table_mapping    541       _sys_event_table_to_metric_table_mapping[_pending_events_tblname] = _pending_metrics_tblname
659     return                                        542     return
660                                                   543 
661   # base dir or too deep                          544   # base dir or too deep
662   level = len(parents)                            545   level = len(parents)
663   if level == 0 or level > 4:                     546   if level == 0 or level > 4:
664     return                                        547     return
665                                                   548 
666   # Ignore other directories. If the file name    549   # Ignore other directories. If the file name does not have a .json
667   # extension, ignore it. It could be a readme    550   # extension, ignore it. It could be a readme.txt for instance.
668   if not item.is_file() or not item.name.endsw !! 551   if not item.is_file() or not item.name.endswith('.json'):
669     return                                        552     return
670                                                   553 
671   add_events_table_entries(item, get_topic(ite    554   add_events_table_entries(item, get_topic(item.name))
672                                                   555 
673                                                   556 
674 def print_mapping_table(archs: Sequence[str])     557 def print_mapping_table(archs: Sequence[str]) -> None:
675   """Read the mapfile and generate the struct     558   """Read the mapfile and generate the struct from cpuid string to event table."""
676   _args.output_file.write("""                     559   _args.output_file.write("""
677 /* Struct used to make the PMU event table imp    560 /* Struct used to make the PMU event table implementation opaque to callers. */
678 struct pmu_events_table {                         561 struct pmu_events_table {
679         const struct pmu_table_entry *pmus;    !! 562         const struct compact_pmu_event *entries;
680         uint32_t num_pmus;                     !! 563         size_t length;
681 };                                                564 };
682                                                   565 
683 /* Struct used to make the PMU metric table im    566 /* Struct used to make the PMU metric table implementation opaque to callers. */
684 struct pmu_metrics_table {                        567 struct pmu_metrics_table {
685         const struct pmu_table_entry *pmus;    !! 568         const struct compact_pmu_event *entries;
686         uint32_t num_pmus;                     !! 569         size_t length;
687 };                                                570 };
688                                                   571 
689 /*                                                572 /*
690  * Map a CPU to its table of PMU events. The C    573  * Map a CPU to its table of PMU events. The CPU is identified by the
691  * cpuid field, which is an arch-specific iden    574  * cpuid field, which is an arch-specific identifier for the CPU.
692  * The identifier specified in tools/perf/pmu-    575  * The identifier specified in tools/perf/pmu-events/arch/xxx/mapfile
693  * must match the get_cpuid_str() in tools/per    576  * must match the get_cpuid_str() in tools/perf/arch/xxx/util/header.c)
694  *                                                577  *
695  * The  cpuid can contain any character other     578  * The  cpuid can contain any character other than the comma.
696  */                                               579  */
697 struct pmu_events_map {                           580 struct pmu_events_map {
698         const char *arch;                         581         const char *arch;
699         const char *cpuid;                        582         const char *cpuid;
700         struct pmu_events_table event_table;      583         struct pmu_events_table event_table;
701         struct pmu_metrics_table metric_table;    584         struct pmu_metrics_table metric_table;
702 };                                                585 };
703                                                   586 
704 /*                                                587 /*
705  * Global table mapping each known CPU for the    588  * Global table mapping each known CPU for the architecture to its
706  * table of PMU events.                           589  * table of PMU events.
707  */                                               590  */
708 const struct pmu_events_map pmu_events_map[] =    591 const struct pmu_events_map pmu_events_map[] = {
709 """)                                              592 """)
710   for arch in archs:                              593   for arch in archs:
711     if arch == 'test':                            594     if arch == 'test':
712       _args.output_file.write("""{                595       _args.output_file.write("""{
713 \t.arch = "testarch",                             596 \t.arch = "testarch",
714 \t.cpuid = "testcpu",                             597 \t.cpuid = "testcpu",
715 \t.event_table = {                                598 \t.event_table = {
716 \t\t.pmus = pmu_events__test_soc_cpu,          !! 599 \t\t.entries = pmu_events__test_soc_cpu,
717 \t\t.num_pmus = ARRAY_SIZE(pmu_events__test_so !! 600 \t\t.length = ARRAY_SIZE(pmu_events__test_soc_cpu),
718 \t},                                              601 \t},
719 \t.metric_table = {                               602 \t.metric_table = {
720 \t\t.pmus = pmu_metrics__test_soc_cpu,         !! 603 \t\t.entries = pmu_metrics__test_soc_cpu,
721 \t\t.num_pmus = ARRAY_SIZE(pmu_metrics__test_s !! 604 \t\t.length = ARRAY_SIZE(pmu_metrics__test_soc_cpu),
722 \t}                                               605 \t}
723 },                                                606 },
724 """)                                              607 """)
725     else:                                         608     else:
726       with open(f'{_args.starting_dir}/{arch}/    609       with open(f'{_args.starting_dir}/{arch}/mapfile.csv') as csvfile:
727         table = csv.reader(csvfile)               610         table = csv.reader(csvfile)
728         first = True                              611         first = True
729         for row in table:                         612         for row in table:
730           # Skip the first row or any row begi    613           # Skip the first row or any row beginning with #.
731           if not first and len(row) > 0 and no    614           if not first and len(row) > 0 and not row[0].startswith('#'):
732             event_tblname = file_name_to_table    615             event_tblname = file_name_to_table_name('pmu_events_', [], row[2].replace('/', '_'))
733             if event_tblname in _event_tables:    616             if event_tblname in _event_tables:
734               event_size = f'ARRAY_SIZE({event    617               event_size = f'ARRAY_SIZE({event_tblname})'
735             else:                                 618             else:
736               event_tblname = 'NULL'              619               event_tblname = 'NULL'
737               event_size = '0'                    620               event_size = '0'
738             metric_tblname = file_name_to_tabl    621             metric_tblname = file_name_to_table_name('pmu_metrics_', [], row[2].replace('/', '_'))
739             if metric_tblname in _metric_table    622             if metric_tblname in _metric_tables:
740               metric_size = f'ARRAY_SIZE({metr    623               metric_size = f'ARRAY_SIZE({metric_tblname})'
741             else:                                 624             else:
742               metric_tblname = 'NULL'             625               metric_tblname = 'NULL'
743               metric_size = '0'                   626               metric_size = '0'
744             if event_size == '0' and metric_si    627             if event_size == '0' and metric_size == '0':
745               continue                            628               continue
746             cpuid = row[0].replace('\\', '\\\\    629             cpuid = row[0].replace('\\', '\\\\')
747             _args.output_file.write(f"""{{        630             _args.output_file.write(f"""{{
748 \t.arch = "{arch}",                               631 \t.arch = "{arch}",
749 \t.cpuid = "{cpuid}",                             632 \t.cpuid = "{cpuid}",
750 \t.event_table = {{                               633 \t.event_table = {{
751 \t\t.pmus = {event_tblname},                   !! 634 \t\t.entries = {event_tblname},
752 \t\t.num_pmus = {event_size}                   !! 635 \t\t.length = {event_size}
753 \t}},                                             636 \t}},
754 \t.metric_table = {{                              637 \t.metric_table = {{
755 \t\t.pmus = {metric_tblname},                  !! 638 \t\t.entries = {metric_tblname},
756 \t\t.num_pmus = {metric_size}                  !! 639 \t\t.length = {metric_size}
757 \t}}                                              640 \t}}
758 }},                                               641 }},
759 """)                                              642 """)
760           first = False                           643           first = False
761                                                   644 
762   _args.output_file.write("""{                    645   _args.output_file.write("""{
763 \t.arch = 0,                                      646 \t.arch = 0,
764 \t.cpuid = 0,                                     647 \t.cpuid = 0,
765 \t.event_table = { 0, 0 },                        648 \t.event_table = { 0, 0 },
766 \t.metric_table = { 0, 0 },                       649 \t.metric_table = { 0, 0 },
767 }                                                 650 }
768 };                                                651 };
769 """)                                              652 """)
770                                                   653 
771                                                   654 
772 def print_system_mapping_table() -> None:         655 def print_system_mapping_table() -> None:
773   """C struct mapping table array for tables f    656   """C struct mapping table array for tables from /sys directories."""
774   _args.output_file.write("""                     657   _args.output_file.write("""
775 struct pmu_sys_events {                           658 struct pmu_sys_events {
776 \tconst char *name;                               659 \tconst char *name;
777 \tstruct pmu_events_table event_table;            660 \tstruct pmu_events_table event_table;
778 \tstruct pmu_metrics_table metric_table;          661 \tstruct pmu_metrics_table metric_table;
779 };                                                662 };
780                                                   663 
781 static const struct pmu_sys_events pmu_sys_eve    664 static const struct pmu_sys_events pmu_sys_event_tables[] = {
782 """)                                              665 """)
783   printed_metric_tables = []                      666   printed_metric_tables = []
784   for tblname in _sys_event_tables:               667   for tblname in _sys_event_tables:
785     _args.output_file.write(f"""\t{{              668     _args.output_file.write(f"""\t{{
786 \t\t.event_table = {{                             669 \t\t.event_table = {{
787 \t\t\t.pmus = {tblname},                       !! 670 \t\t\t.entries = {tblname},
788 \t\t\t.num_pmus = ARRAY_SIZE({tblname})        !! 671 \t\t\t.length = ARRAY_SIZE({tblname})
789 \t\t}},""")                                       672 \t\t}},""")
790     metric_tblname = _sys_event_table_to_metri    673     metric_tblname = _sys_event_table_to_metric_table_mapping[tblname]
791     if metric_tblname in _sys_metric_tables:      674     if metric_tblname in _sys_metric_tables:
792       _args.output_file.write(f"""                675       _args.output_file.write(f"""
793 \t\t.metric_table = {{                            676 \t\t.metric_table = {{
794 \t\t\t.pmus = {metric_tblname},                !! 677 \t\t\t.entries = {metric_tblname},
795 \t\t\t.num_pmus = ARRAY_SIZE({metric_tblname}) !! 678 \t\t\t.length = ARRAY_SIZE({metric_tblname})
796 \t\t}},""")                                       679 \t\t}},""")
797       printed_metric_tables.append(metric_tbln    680       printed_metric_tables.append(metric_tblname)
798     _args.output_file.write(f"""                  681     _args.output_file.write(f"""
799 \t\t.name = \"{tblname}\",                        682 \t\t.name = \"{tblname}\",
800 \t}},                                             683 \t}},
801 """)                                              684 """)
802   for tblname in _sys_metric_tables:              685   for tblname in _sys_metric_tables:
803     if tblname in printed_metric_tables:          686     if tblname in printed_metric_tables:
804       continue                                    687       continue
805     _args.output_file.write(f"""\t{{              688     _args.output_file.write(f"""\t{{
806 \t\t.metric_table = {{                            689 \t\t.metric_table = {{
807 \t\t\t.pmus = {tblname},                       !! 690 \t\t\t.entries = {tblname},
808 \t\t\t.num_pmus = ARRAY_SIZE({tblname})        !! 691 \t\t\t.length = ARRAY_SIZE({tblname})
809 \t\t}},                                           692 \t\t}},
810 \t\t.name = \"{tblname}\",                        693 \t\t.name = \"{tblname}\",
811 \t}},                                             694 \t}},
812 """)                                              695 """)
813   _args.output_file.write("""\t{                  696   _args.output_file.write("""\t{
814 \t\t.event_table = { 0, 0 },                      697 \t\t.event_table = { 0, 0 },
815 \t\t.metric_table = { 0, 0 },                     698 \t\t.metric_table = { 0, 0 },
816 \t},                                              699 \t},
817 };                                                700 };
818                                                   701 
819 static void decompress_event(int offset, struc    702 static void decompress_event(int offset, struct pmu_event *pe)
820 {                                                 703 {
821 \tconst char *p = &big_c_string[offset];          704 \tconst char *p = &big_c_string[offset];
822 """)                                              705 """)
823   for attr in _json_event_attributes:             706   for attr in _json_event_attributes:
824     _args.output_file.write(f'\n\tpe->{attr} =    707     _args.output_file.write(f'\n\tpe->{attr} = ')
825     if attr in _json_enum_attributes:             708     if attr in _json_enum_attributes:
826       _args.output_file.write("*p - '0';\n")      709       _args.output_file.write("*p - '0';\n")
827     else:                                         710     else:
828       _args.output_file.write("(*p == '\\0' ?     711       _args.output_file.write("(*p == '\\0' ? NULL : p);\n")
829     if attr == _json_event_attributes[-1]:        712     if attr == _json_event_attributes[-1]:
830       continue                                    713       continue
831     if attr in _json_enum_attributes:             714     if attr in _json_enum_attributes:
832       _args.output_file.write('\tp++;')           715       _args.output_file.write('\tp++;')
833     else:                                         716     else:
834       _args.output_file.write('\twhile (*p++);    717       _args.output_file.write('\twhile (*p++);')
835   _args.output_file.write("""}                    718   _args.output_file.write("""}
836                                                   719 
837 static void decompress_metric(int offset, stru    720 static void decompress_metric(int offset, struct pmu_metric *pm)
838 {                                                 721 {
839 \tconst char *p = &big_c_string[offset];          722 \tconst char *p = &big_c_string[offset];
840 """)                                              723 """)
841   for attr in _json_metric_attributes:            724   for attr in _json_metric_attributes:
842     _args.output_file.write(f'\n\tpm->{attr} =    725     _args.output_file.write(f'\n\tpm->{attr} = ')
843     if attr in _json_enum_attributes:             726     if attr in _json_enum_attributes:
844       _args.output_file.write("*p - '0';\n")      727       _args.output_file.write("*p - '0';\n")
845     else:                                         728     else:
846       _args.output_file.write("(*p == '\\0' ?     729       _args.output_file.write("(*p == '\\0' ? NULL : p);\n")
847     if attr == _json_metric_attributes[-1]:       730     if attr == _json_metric_attributes[-1]:
848       continue                                    731       continue
849     if attr in _json_enum_attributes:             732     if attr in _json_enum_attributes:
850       _args.output_file.write('\tp++;')           733       _args.output_file.write('\tp++;')
851     else:                                         734     else:
852       _args.output_file.write('\twhile (*p++);    735       _args.output_file.write('\twhile (*p++);')
853   _args.output_file.write("""}                    736   _args.output_file.write("""}
854                                                   737 
855 static int pmu_events_table__for_each_event_pm !! 738 int pmu_events_table_for_each_event(const struct pmu_events_table *table,
856                                                << 
857                                                << 
858                                                << 
859 {                                              << 
860         int ret;                               << 
861         struct pmu_event pe = {                << 
862                 .pmu = &big_c_string[pmu->pmu_ << 
863         };                                     << 
864                                                << 
865         for (uint32_t i = 0; i < pmu->num_entr << 
866                 decompress_event(pmu->entries[ << 
867                 if (!pe.name)                  << 
868                         continue;              << 
869                 ret = fn(&pe, table, data);    << 
870                 if (ret)                       << 
871                         return ret;            << 
872         }                                      << 
873         return 0;                              << 
874  }                                             << 
875                                                << 
876 static int pmu_events_table__find_event_pmu(co << 
877                                             co << 
878                                             co << 
879                                             pm << 
880                                             vo << 
881 {                                              << 
882         struct pmu_event pe = {                << 
883                 .pmu = &big_c_string[pmu->pmu_ << 
884         };                                     << 
885         int low = 0, high = pmu->num_entries - << 
886                                                << 
887         while (low <= high) {                  << 
888                 int cmp, mid = (low + high) /  << 
889                                                << 
890                 decompress_event(pmu->entries[ << 
891                                                << 
892                 if (!pe.name && !name)         << 
893                         goto do_call;          << 
894                                                << 
895                 if (!pe.name && name) {        << 
896                         low = mid + 1;         << 
897                         continue;              << 
898                 }                              << 
899                 if (pe.name && !name) {        << 
900                         high = mid - 1;        << 
901                         continue;              << 
902                 }                              << 
903                                                << 
904                 cmp = strcasecmp(pe.name, name << 
905                 if (cmp < 0) {                 << 
906                         low = mid + 1;         << 
907                         continue;              << 
908                 }                              << 
909                 if (cmp > 0) {                 << 
910                         high = mid - 1;        << 
911                         continue;              << 
912                 }                              << 
913   do_call:                                     << 
914                 return fn ? fn(&pe, table, dat << 
915         }                                      << 
916         return PMU_EVENTS__NOT_FOUND;          << 
917 }                                              << 
918                                                << 
919 int pmu_events_table__for_each_event(const str << 
920                                     struct per << 
921                                     pmu_event_    739                                     pmu_event_iter_fn fn,
922                                     void *data    740                                     void *data)
923 {                                                 741 {
924         for (size_t i = 0; i < table->num_pmus !! 742         for (size_t i = 0; i < table->length; i++) {
925                 const struct pmu_table_entry * !! 743                 struct pmu_event pe;
926                 const char *pmu_name = &big_c_ << 
927                 int ret;                          744                 int ret;
928                                                   745 
929                 if (pmu && !pmu__name_match(pm !! 746                 decompress_event(table->entries[i].offset, &pe);
                                                   >> 747                 if (!pe.name)
930                         continue;                 748                         continue;
931                                                !! 749                 ret = fn(&pe, table, data);
932                 ret = pmu_events_table__for_ea !! 750                 if (ret)
933                 if (pmu || ret)                << 
934                         return ret;               751                         return ret;
935         }                                         752         }
936         return 0;                                 753         return 0;
937 }                                                 754 }
938                                                   755 
939 int pmu_events_table__find_event(const struct  !! 756 int pmu_metrics_table_for_each_metric(const struct pmu_metrics_table *table,
940                                  struct perf_p !! 757                                      pmu_metric_iter_fn fn,
941                                  const char *n !! 758                                      void *data)
942                                  pmu_event_ite << 
943                                  void *data)   << 
944 {                                                 759 {
945         for (size_t i = 0; i < table->num_pmus !! 760         for (size_t i = 0; i < table->length; i++) {
946                 const struct pmu_table_entry * !! 761                 struct pmu_metric pm;
947                 const char *pmu_name = &big_c_ << 
948                 int ret;                          762                 int ret;
949                                                   763 
950                 if (!pmu__name_match(pmu, pmu_ !! 764                 decompress_metric(table->entries[i].offset, &pm);
951                         continue;              << 
952                                                << 
953                 ret = pmu_events_table__find_e << 
954                 if (ret != PMU_EVENTS__NOT_FOU << 
955                         return ret;            << 
956         }                                      << 
957         return PMU_EVENTS__NOT_FOUND;          << 
958 }                                              << 
959                                                << 
960 size_t pmu_events_table__num_events(const stru << 
961                                     struct per << 
962 {                                              << 
963         size_t count = 0;                      << 
964                                                << 
965         for (size_t i = 0; i < table->num_pmus << 
966                 const struct pmu_table_entry * << 
967                 const char *pmu_name = &big_c_ << 
968                                                << 
969                 if (pmu__name_match(pmu, pmu_n << 
970                         count += table_pmu->nu << 
971         }                                      << 
972         return count;                          << 
973 }                                              << 
974                                                << 
975 static int pmu_metrics_table__for_each_metric_ << 
976                                                << 
977                                                << 
978                                                << 
979 {                                              << 
980         int ret;                               << 
981         struct pmu_metric pm = {               << 
982                 .pmu = &big_c_string[pmu->pmu_ << 
983         };                                     << 
984                                                << 
985         for (uint32_t i = 0; i < pmu->num_entr << 
986                 decompress_metric(pmu->entries << 
987                 if (!pm.metric_expr)              765                 if (!pm.metric_expr)
988                         continue;                 766                         continue;
989                 ret = fn(&pm, table, data);       767                 ret = fn(&pm, table, data);
990                 if (ret)                          768                 if (ret)
991                         return ret;               769                         return ret;
992         }                                         770         }
993         return 0;                                 771         return 0;
994 }                                                 772 }
995                                                   773 
996 int pmu_metrics_table__for_each_metric(const s !! 774 const struct pmu_events_table *perf_pmu__find_events_table(struct perf_pmu *pmu)
997                                      pmu_metri << 
998                                      void *dat << 
999 {                                              << 
1000         for (size_t i = 0; i < table->num_pmu << 
1001                 int ret = pmu_metrics_table__ << 
1002                                               << 
1003                                               << 
1004                 if (ret)                      << 
1005                         return ret;           << 
1006         }                                     << 
1007         return 0;                             << 
1008 }                                             << 
1009                                               << 
1010 static const struct pmu_events_map *map_for_p << 
1011 {                                                775 {
1012         static struct {                       !! 776         const struct pmu_events_table *table = NULL;
1013                 const struct pmu_events_map * !! 777         char *cpuid = perf_pmu__getcpuid(pmu);
1014                 struct perf_pmu *pmu;         !! 778         int i;
1015         } last_result;                        << 
1016         static struct {                       << 
1017                 const struct pmu_events_map * << 
1018                 char *cpuid;                  << 
1019         } last_map_search;                    << 
1020         static bool has_last_result, has_last << 
1021         const struct pmu_events_map *map = NU << 
1022         char *cpuid = NULL;                   << 
1023         size_t i;                             << 
1024                                               << 
1025         if (has_last_result && last_result.pm << 
1026                 return last_result.map;       << 
1027                                                  779 
1028         cpuid = perf_pmu__getcpuid(pmu);      !! 780         /* on some platforms which uses cpus map, cpuid can be NULL for
1029                                               << 
1030         /*                                    << 
1031          * On some platforms which uses cpus  << 
1032          * PMUs other than CORE PMUs.            781          * PMUs other than CORE PMUs.
1033          */                                      782          */
1034         if (!cpuid)                              783         if (!cpuid)
1035                 goto out_update_last_result;  << 
1036                                               << 
1037         if (has_last_map_search && !strcmp(la << 
1038                 map = last_map_search.map;    << 
1039                 free(cpuid);                  << 
1040         } else {                              << 
1041                 i = 0;                        << 
1042                 for (;;) {                    << 
1043                         map = &pmu_events_map << 
1044                                               << 
1045                         if (!map->arch) {     << 
1046                                 map = NULL;   << 
1047                                 break;        << 
1048                         }                     << 
1049                                               << 
1050                         if (!strcmp_cpuid_str << 
1051                                 break;        << 
1052                }                              << 
1053                free(last_map_search.cpuid);   << 
1054                last_map_search.cpuid = cpuid; << 
1055                last_map_search.map = map;     << 
1056                has_last_map_search = true;    << 
1057         }                                     << 
1058 out_update_last_result:                       << 
1059         last_result.pmu = pmu;                << 
1060         last_result.map = map;                << 
1061         has_last_result = true;               << 
1062         return map;                           << 
1063 }                                             << 
1064                                               << 
1065 const struct pmu_events_table *perf_pmu__find << 
1066 {                                             << 
1067         const struct pmu_events_map *map = ma << 
1068                                               << 
1069         if (!map)                             << 
1070                 return NULL;                     784                 return NULL;
1071                                                  785 
1072         if (!pmu)                             !! 786         i = 0;
1073                 return &map->event_table;     !! 787         for (;;) {
1074                                               !! 788                 const struct pmu_events_map *map = &pmu_events_map[i++];
1075         for (size_t i = 0; i < map->event_tab !! 789                 if (!map->arch)
1076                 const struct pmu_table_entry  !! 790                         break;
1077                 const char *pmu_name = &big_c !! 791 
1078                                               !! 792                 if (!strcmp_cpuid_str(map->cpuid, cpuid)) {
1079                 if (pmu__name_match(pmu, pmu_ !! 793                         table = &map->event_table;
1080                          return &map->event_t !! 794                         break;
                                                   >> 795                 }
1081         }                                        796         }
1082         return NULL;                          !! 797         free(cpuid);
                                                   >> 798         return table;
1083 }                                                799 }
1084                                                  800 
1085 const struct pmu_metrics_table *perf_pmu__fin    801 const struct pmu_metrics_table *perf_pmu__find_metrics_table(struct perf_pmu *pmu)
1086 {                                                802 {
1087         const struct pmu_events_map *map = ma !! 803         const struct pmu_metrics_table *table = NULL;
                                                   >> 804         char *cpuid = perf_pmu__getcpuid(pmu);
                                                   >> 805         int i;
1088                                                  806 
1089         if (!map)                             !! 807         /* on some platforms which uses cpus map, cpuid can be NULL for
                                                   >> 808          * PMUs other than CORE PMUs.
                                                   >> 809          */
                                                   >> 810         if (!cpuid)
1090                 return NULL;                     811                 return NULL;
1091                                                  812 
1092         if (!pmu)                             !! 813         i = 0;
1093                 return &map->metric_table;    !! 814         for (;;) {
1094                                               !! 815                 const struct pmu_events_map *map = &pmu_events_map[i++];
1095         for (size_t i = 0; i < map->metric_ta !! 816                 if (!map->arch)
1096                 const struct pmu_table_entry  !! 817                         break;
1097                 const char *pmu_name = &big_c !! 818 
1098                                               !! 819                 if (!strcmp_cpuid_str(map->cpuid, cpuid)) {
1099                 if (pmu__name_match(pmu, pmu_ !! 820                         table = &map->metric_table;
1100                            return &map->metri !! 821                         break;
                                                   >> 822                 }
1101         }                                        823         }
1102         return NULL;                          !! 824         free(cpuid);
                                                   >> 825         return table;
1103 }                                                826 }
1104                                                  827 
1105 const struct pmu_events_table *find_core_even    828 const struct pmu_events_table *find_core_events_table(const char *arch, const char *cpuid)
1106 {                                                829 {
1107         for (const struct pmu_events_map *tab    830         for (const struct pmu_events_map *tables = &pmu_events_map[0];
1108              tables->arch;                       831              tables->arch;
1109              tables++) {                         832              tables++) {
1110                 if (!strcmp(tables->arch, arc    833                 if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid))
1111                         return &tables->event    834                         return &tables->event_table;
1112         }                                        835         }
1113         return NULL;                             836         return NULL;
1114 }                                                837 }
1115                                                  838 
1116 const struct pmu_metrics_table *find_core_met    839 const struct pmu_metrics_table *find_core_metrics_table(const char *arch, const char *cpuid)
1117 {                                                840 {
1118         for (const struct pmu_events_map *tab    841         for (const struct pmu_events_map *tables = &pmu_events_map[0];
1119              tables->arch;                       842              tables->arch;
1120              tables++) {                         843              tables++) {
1121                 if (!strcmp(tables->arch, arc    844                 if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid))
1122                         return &tables->metri    845                         return &tables->metric_table;
1123         }                                        846         }
1124         return NULL;                             847         return NULL;
1125 }                                                848 }
1126                                                  849 
1127 int pmu_for_each_core_event(pmu_event_iter_fn    850 int pmu_for_each_core_event(pmu_event_iter_fn fn, void *data)
1128 {                                                851 {
1129         for (const struct pmu_events_map *tab    852         for (const struct pmu_events_map *tables = &pmu_events_map[0];
1130              tables->arch;                       853              tables->arch;
1131              tables++) {                         854              tables++) {
1132                 int ret = pmu_events_table__f !! 855                 int ret = pmu_events_table_for_each_event(&tables->event_table, fn, data);
1133                                               << 
1134                                                  856 
1135                 if (ret)                         857                 if (ret)
1136                         return ret;              858                         return ret;
1137         }                                        859         }
1138         return 0;                                860         return 0;
1139 }                                                861 }
1140                                                  862 
1141 int pmu_for_each_core_metric(pmu_metric_iter_    863 int pmu_for_each_core_metric(pmu_metric_iter_fn fn, void *data)
1142 {                                                864 {
1143         for (const struct pmu_events_map *tab    865         for (const struct pmu_events_map *tables = &pmu_events_map[0];
1144              tables->arch;                       866              tables->arch;
1145              tables++) {                         867              tables++) {
1146                 int ret = pmu_metrics_table__ !! 868                 int ret = pmu_metrics_table_for_each_metric(&tables->metric_table, fn, data);
1147                                                  869 
1148                 if (ret)                         870                 if (ret)
1149                         return ret;              871                         return ret;
1150         }                                        872         }
1151         return 0;                                873         return 0;
1152 }                                                874 }
1153                                                  875 
1154 const struct pmu_events_table *find_sys_event    876 const struct pmu_events_table *find_sys_events_table(const char *name)
1155 {                                                877 {
1156         for (const struct pmu_sys_events *tab    878         for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
1157              tables->name;                       879              tables->name;
1158              tables++) {                         880              tables++) {
1159                 if (!strcmp(tables->name, nam    881                 if (!strcmp(tables->name, name))
1160                         return &tables->event    882                         return &tables->event_table;
1161         }                                        883         }
1162         return NULL;                             884         return NULL;
1163 }                                                885 }
1164                                                  886 
1165 int pmu_for_each_sys_event(pmu_event_iter_fn     887 int pmu_for_each_sys_event(pmu_event_iter_fn fn, void *data)
1166 {                                                888 {
1167         for (const struct pmu_sys_events *tab    889         for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
1168              tables->name;                       890              tables->name;
1169              tables++) {                         891              tables++) {
1170                 int ret = pmu_events_table__f !! 892                 int ret = pmu_events_table_for_each_event(&tables->event_table, fn, data);
1171                                               << 
1172                                                  893 
1173                 if (ret)                         894                 if (ret)
1174                         return ret;              895                         return ret;
1175         }                                        896         }
1176         return 0;                                897         return 0;
1177 }                                                898 }
1178                                                  899 
1179 int pmu_for_each_sys_metric(pmu_metric_iter_f    900 int pmu_for_each_sys_metric(pmu_metric_iter_fn fn, void *data)
1180 {                                                901 {
1181         for (const struct pmu_sys_events *tab    902         for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
1182              tables->name;                       903              tables->name;
1183              tables++) {                         904              tables++) {
1184                 int ret = pmu_metrics_table__ !! 905                 int ret = pmu_metrics_table_for_each_metric(&tables->metric_table, fn, data);
1185                                                  906 
1186                 if (ret)                         907                 if (ret)
1187                         return ret;              908                         return ret;
1188         }                                        909         }
1189         return 0;                                910         return 0;
1190 }                                                911 }
1191 """)                                             912 """)
1192                                                  913 
1193 def print_metricgroups() -> None:             << 
1194   _args.output_file.write("""                 << 
1195 static const int metricgroups[][2] = {        << 
1196 """)                                          << 
1197   for mgroup in sorted(_metricgroups):        << 
1198     description = _metricgroups[mgroup]       << 
1199     _args.output_file.write(                  << 
1200         f'\t{{ {_bcs.offsets[mgroup]}, {_bcs. << 
1201     )                                         << 
1202   _args.output_file.write("""                 << 
1203 };                                            << 
1204                                               << 
1205 const char *describe_metricgroup(const char * << 
1206 {                                             << 
1207         int low = 0, high = (int)ARRAY_SIZE(m << 
1208                                               << 
1209         while (low <= high) {                 << 
1210                 int mid = (low + high) / 2;   << 
1211                 const char *mgroup = &big_c_s << 
1212                 int cmp = strcmp(mgroup, grou << 
1213                                               << 
1214                 if (cmp == 0) {               << 
1215                         return &big_c_string[ << 
1216                 } else if (cmp < 0) {         << 
1217                         low = mid + 1;        << 
1218                 } else {                      << 
1219                         high = mid - 1;       << 
1220                 }                             << 
1221         }                                     << 
1222         return NULL;                          << 
1223 }                                             << 
1224 """)                                          << 
1225                                                  914 
1226 def main() -> None:                              915 def main() -> None:
1227   global _args                                   916   global _args
1228                                                  917 
1229   def dir_path(path: str) -> str:                918   def dir_path(path: str) -> str:
1230     """Validate path is a directory for argpa    919     """Validate path is a directory for argparse."""
1231     if os.path.isdir(path):                      920     if os.path.isdir(path):
1232       return path                                921       return path
1233     raise argparse.ArgumentTypeError(f'\'{pat    922     raise argparse.ArgumentTypeError(f'\'{path}\' is not a valid directory')
1234                                                  923 
1235   def ftw(path: str, parents: Sequence[str],     924   def ftw(path: str, parents: Sequence[str],
1236           action: Callable[[Sequence[str], os    925           action: Callable[[Sequence[str], os.DirEntry], None]) -> None:
1237     """Replicate the directory/file walking b    926     """Replicate the directory/file walking behavior of C's file tree walk."""
1238     for item in sorted(os.scandir(path), key=    927     for item in sorted(os.scandir(path), key=lambda e: e.name):
1239       if _args.model != 'all' and item.is_dir    928       if _args.model != 'all' and item.is_dir():
1240         # Check if the model matches one in _    929         # Check if the model matches one in _args.model.
1241         if len(parents) == _args.model.split(    930         if len(parents) == _args.model.split(',')[0].count('/'):
1242           # We're testing the correct directo    931           # We're testing the correct directory.
1243           item_path = '/'.join(parents) + ('/    932           item_path = '/'.join(parents) + ('/' if len(parents) > 0 else '') + item.name
1244           if 'test' not in item_path and item    933           if 'test' not in item_path and item_path not in _args.model.split(','):
1245             continue                             934             continue
1246       action(parents, item)                      935       action(parents, item)
1247       if item.is_dir():                          936       if item.is_dir():
1248         ftw(item.path, parents + [item.name],    937         ftw(item.path, parents + [item.name], action)
1249                                                  938 
1250   ap = argparse.ArgumentParser()                 939   ap = argparse.ArgumentParser()
1251   ap.add_argument('arch', help='Architecture     940   ap.add_argument('arch', help='Architecture name like x86')
1252   ap.add_argument('model', help='''Select a m    941   ap.add_argument('model', help='''Select a model such as skylake to
1253 reduce the code size.  Normally set to "all".    942 reduce the code size.  Normally set to "all". For architectures like
1254 ARM64 with an implementor/model, the model mu    943 ARM64 with an implementor/model, the model must include the implementor
1255 such as "arm/cortex-a34".''',                    944 such as "arm/cortex-a34".''',
1256                   default='all')                 945                   default='all')
1257   ap.add_argument(                               946   ap.add_argument(
1258       'starting_dir',                            947       'starting_dir',
1259       type=dir_path,                             948       type=dir_path,
1260       help='Root of tree containing architect    949       help='Root of tree containing architecture directories containing json files'
1261   )                                              950   )
1262   ap.add_argument(                               951   ap.add_argument(
1263       'output_file', type=argparse.FileType('    952       'output_file', type=argparse.FileType('w', encoding='utf-8'), nargs='?', default=sys.stdout)
1264   _args = ap.parse_args()                        953   _args = ap.parse_args()
1265                                                  954 
1266   _args.output_file.write(f"""                << 
1267 /* SPDX-License-Identifier: GPL-2.0 */        << 
1268 /* THIS FILE WAS AUTOGENERATED BY jevents.py  << 
1269 """)                                          << 
1270   _args.output_file.write("""                    955   _args.output_file.write("""
1271 #include <pmu-events/pmu-events.h>            !! 956 #include "pmu-events/pmu-events.h"
1272 #include "util/header.h"                         957 #include "util/header.h"
1273 #include "util/pmu.h"                            958 #include "util/pmu.h"
1274 #include <string.h>                              959 #include <string.h>
1275 #include <stddef.h>                              960 #include <stddef.h>
1276                                                  961 
1277 struct compact_pmu_event {                       962 struct compact_pmu_event {
1278         int offset;                           !! 963   int offset;
1279 };                                            << 
1280                                               << 
1281 struct pmu_table_entry {                      << 
1282         const struct compact_pmu_event *entri << 
1283         uint32_t num_entries;                 << 
1284         struct compact_pmu_event pmu_name;    << 
1285 };                                               964 };
1286                                                  965 
1287 """)                                             966 """)
1288   archs = []                                     967   archs = []
1289   for item in os.scandir(_args.starting_dir):    968   for item in os.scandir(_args.starting_dir):
1290     if not item.is_dir():                        969     if not item.is_dir():
1291       continue                                   970       continue
1292     if item.name == _args.arch or _args.arch     971     if item.name == _args.arch or _args.arch == 'all' or item.name == 'test':
1293       archs.append(item.name)                    972       archs.append(item.name)
1294                                                  973 
1295   if len(archs) < 2 and _args.arch != 'none': !! 974   if len(archs) < 2:
1296     raise IOError(f'Missing architecture dire    975     raise IOError(f'Missing architecture directory \'{_args.arch}\'')
1297                                                  976 
1298   archs.sort()                                   977   archs.sort()
1299   for arch in archs:                             978   for arch in archs:
1300     arch_path = f'{_args.starting_dir}/{arch}    979     arch_path = f'{_args.starting_dir}/{arch}'
1301     preprocess_arch_std_files(arch_path)         980     preprocess_arch_std_files(arch_path)
1302     ftw(arch_path, [], preprocess_one_file)      981     ftw(arch_path, [], preprocess_one_file)
1303                                                  982 
1304   _bcs.compute()                                 983   _bcs.compute()
1305   _args.output_file.write('static const char     984   _args.output_file.write('static const char *const big_c_string =\n')
1306   for s in _bcs.big_string:                      985   for s in _bcs.big_string:
1307     _args.output_file.write(s)                   986     _args.output_file.write(s)
1308   _args.output_file.write(';\n\n')               987   _args.output_file.write(';\n\n')
1309   for arch in archs:                             988   for arch in archs:
1310     arch_path = f'{_args.starting_dir}/{arch}    989     arch_path = f'{_args.starting_dir}/{arch}'
1311     ftw(arch_path, [], process_one_file)         990     ftw(arch_path, [], process_one_file)
1312     print_pending_events()                       991     print_pending_events()
1313     print_pending_metrics()                      992     print_pending_metrics()
1314                                                  993 
1315   print_mapping_table(archs)                     994   print_mapping_table(archs)
1316   print_system_mapping_table()                   995   print_system_mapping_table()
1317   print_metricgroups()                        !! 996 
1318                                                  997 
1319 if __name__ == '__main__':                       998 if __name__ == '__main__':
1320   main()                                         999   main()
                                                      

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