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