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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-6.3.13)


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

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