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', 292 'arm_cmn': 'arm_cmn',
295 } 293 }
296 return table[unit] if unit in table else 294 return table[unit] if unit in table else f'uncore_{unit.lower()}'
297 295
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 = 0 296 eventcode = 0
316 if 'EventCode' in jd: 297 if 'EventCode' in jd:
317 eventcode = int(jd['EventCode'].split(', 298 eventcode = int(jd['EventCode'].split(',', 1)[0], 0)
318 if 'ExtSel' in jd: 299 if 'ExtSel' in jd:
319 eventcode |= int(jd['ExtSel']) << 8 300 eventcode |= int(jd['ExtSel']) << 8
320 configcode = int(jd['ConfigCode'], 0) if ' 301 configcode = int(jd['ConfigCode'], 0) if 'ConfigCode' in jd else None
321 eventidcode = int(jd['EventidCode'], 0) if 302 eventidcode = int(jd['EventidCode'], 0) if 'EventidCode' in jd else None
322 self.name = jd['EventName'].lower() if 'Ev 303 self.name = jd['EventName'].lower() if 'EventName' in jd else None
323 self.topic = '' 304 self.topic = ''
324 self.compat = jd.get('Compat') 305 self.compat = jd.get('Compat')
325 self.desc = fixdesc(jd.get('BriefDescripti 306 self.desc = fixdesc(jd.get('BriefDescription'))
326 self.long_desc = fixdesc(jd.get('PublicDes 307 self.long_desc = fixdesc(jd.get('PublicDescription'))
327 precise = jd.get('PEBS') 308 precise = jd.get('PEBS')
328 msr = lookup_msr(jd.get('MSRIndex')) 309 msr = lookup_msr(jd.get('MSRIndex'))
329 msrval = jd.get('MSRValue') 310 msrval = jd.get('MSRValue')
330 extra_desc = '' 311 extra_desc = ''
331 if 'Data_LA' in jd: 312 if 'Data_LA' in jd:
332 extra_desc += ' Supports address when p 313 extra_desc += ' Supports address when precise'
333 if 'Errata' in jd: 314 if 'Errata' in jd:
334 extra_desc += '.' 315 extra_desc += '.'
335 if 'Errata' in jd: 316 if 'Errata' in jd:
336 extra_desc += ' Spec update: ' + jd['Er 317 extra_desc += ' Spec update: ' + jd['Errata']
337 self.pmu = unit_to_pmu(jd.get('Unit')) 318 self.pmu = unit_to_pmu(jd.get('Unit'))
338 filter = jd.get('Filter') 319 filter = jd.get('Filter')
339 self.unit = jd.get('ScaleUnit') 320 self.unit = jd.get('ScaleUnit')
340 self.perpkg = jd.get('PerPkg') 321 self.perpkg = jd.get('PerPkg')
341 self.aggr_mode = convert_aggr_mode(jd.get( 322 self.aggr_mode = convert_aggr_mode(jd.get('AggregationMode'))
342 self.deprecated = jd.get('Deprecated') 323 self.deprecated = jd.get('Deprecated')
343 self.metric_name = jd.get('MetricName') 324 self.metric_name = jd.get('MetricName')
344 self.metric_group = jd.get('MetricGroup') 325 self.metric_group = jd.get('MetricGroup')
345 self.metricgroup_no_group = jd.get('Metric 326 self.metricgroup_no_group = jd.get('MetricgroupNoGroup')
346 self.default_metricgroup_name = jd.get('De 327 self.default_metricgroup_name = jd.get('DefaultMetricgroupName')
347 self.event_grouping = convert_metric_const 328 self.event_grouping = convert_metric_constraint(jd.get('MetricConstraint'))
348 self.metric_expr = None 329 self.metric_expr = None
349 if 'MetricExpr' in jd: 330 if 'MetricExpr' in jd:
350 self.metric_expr = metric.ParsePerfJson( 331 self.metric_expr = metric.ParsePerfJson(jd['MetricExpr']).Simplify()
351 # Note, the metric formula for the thresho 332 # Note, the metric formula for the threshold isn't parsed as the &
352 # and > have incorrect precedence. 333 # and > have incorrect precedence.
353 self.metric_threshold = jd.get('MetricThre 334 self.metric_threshold = jd.get('MetricThreshold')
354 335
355 arch_std = jd.get('ArchStdEvent') 336 arch_std = jd.get('ArchStdEvent')
356 if precise and self.desc and '(Precise Eve 337 if precise and self.desc and '(Precise Event)' not in self.desc:
357 extra_desc += ' (Must be precise)' if pr 338 extra_desc += ' (Must be precise)' if precise == '2' else (' (Precise '
358 339 'event)')
359 event = None 340 event = None
360 if configcode is not None: 341 if configcode is not None:
361 event = f'config={llx(configcode)}' 342 event = f'config={llx(configcode)}'
362 elif eventidcode is not None: 343 elif eventidcode is not None:
363 event = f'eventid={llx(eventidcode)}' 344 event = f'eventid={llx(eventidcode)}'
364 else: 345 else:
365 event = f'event={llx(eventcode)}' 346 event = f'event={llx(eventcode)}'
366 event_fields = [ 347 event_fields = [
367 ('AnyThread', 'any='), 348 ('AnyThread', 'any='),
368 ('PortMask', 'ch_mask='), 349 ('PortMask', 'ch_mask='),
369 ('CounterMask', 'cmask='), 350 ('CounterMask', 'cmask='),
370 ('EdgeDetect', 'edge='), 351 ('EdgeDetect', 'edge='),
371 ('FCMask', 'fc_mask='), 352 ('FCMask', 'fc_mask='),
372 ('Invert', 'inv='), 353 ('Invert', 'inv='),
373 ('SampleAfterValue', 'period='), 354 ('SampleAfterValue', 'period='),
374 ('UMask', 'umask='), 355 ('UMask', 'umask='),
375 ('NodeType', 'type='), 356 ('NodeType', 'type='),
376 ('RdWrMask', 'rdwrmask='), <<
377 ('EnAllCores', 'enallcores='), <<
378 ('EnAllSlices', 'enallslices='), <<
379 ('SliceId', 'sliceid='), <<
380 ('ThreadMask', 'threadmask='), <<
381 ] 357 ]
382 for key, value in event_fields: 358 for key, value in event_fields:
383 if key in jd and not is_zero(jd[key]): !! 359 if key in jd and jd[key] != '0':
384 event += f',{value}{canonicalize_value !! 360 event += ',' + value + jd[key]
385 if filter: 361 if filter:
386 event += f',{filter}' 362 event += f',{filter}'
387 if msr: 363 if msr:
388 event += f',{msr}{msrval}' 364 event += f',{msr}{msrval}'
389 if self.desc and extra_desc: 365 if self.desc and extra_desc:
390 self.desc += extra_desc 366 self.desc += extra_desc
391 if self.long_desc and extra_desc: 367 if self.long_desc and extra_desc:
392 self.long_desc += extra_desc 368 self.long_desc += extra_desc
393 if arch_std: 369 if arch_std:
394 if arch_std.lower() in _arch_std_events: 370 if arch_std.lower() in _arch_std_events:
395 event = _arch_std_events[arch_std.lowe 371 event = _arch_std_events[arch_std.lower()].event
396 # Copy from the architecture standard 372 # Copy from the architecture standard event to self for undefined fields.
397 for attr, value in _arch_std_events[ar 373 for attr, value in _arch_std_events[arch_std.lower()].__dict__.items():
398 if hasattr(self, attr) and not getat 374 if hasattr(self, attr) and not getattr(self, attr):
399 setattr(self, attr, value) 375 setattr(self, attr, value)
400 else: 376 else:
401 raise argparse.ArgumentTypeError('Cann 377 raise argparse.ArgumentTypeError('Cannot find arch std event:', arch_std)
402 378
403 self.event = real_event(self.name, event) 379 self.event = real_event(self.name, event)
404 380
405 def __repr__(self) -> str: 381 def __repr__(self) -> str:
406 """String representation primarily for deb 382 """String representation primarily for debugging."""
407 s = '{\n' 383 s = '{\n'
408 for attr, value in self.__dict__.items(): 384 for attr, value in self.__dict__.items():
409 if value: 385 if value:
410 s += f'\t{attr} = {value},\n' 386 s += f'\t{attr} = {value},\n'
411 return s + '}' 387 return s + '}'
412 388
413 def build_c_string(self, metric: bool) -> st 389 def build_c_string(self, metric: bool) -> str:
414 s = '' 390 s = ''
415 for attr in _json_metric_attributes if met 391 for attr in _json_metric_attributes if metric else _json_event_attributes:
416 x = getattr(self, attr) 392 x = getattr(self, attr)
417 if metric and x and attr == 'metric_expr 393 if metric and x and attr == 'metric_expr':
418 # Convert parsed metric expressions in 394 # Convert parsed metric expressions into a string. Slashes
419 # must be doubled in the file. 395 # must be doubled in the file.
420 x = x.ToPerfJson().replace('\\', '\\\\ 396 x = x.ToPerfJson().replace('\\', '\\\\')
421 if metric and x and attr == 'metric_thre 397 if metric and x and attr == 'metric_threshold':
422 x = x.replace('\\', '\\\\') 398 x = x.replace('\\', '\\\\')
423 if attr in _json_enum_attributes: 399 if attr in _json_enum_attributes:
424 s += x if x else '0' 400 s += x if x else '0'
425 else: 401 else:
426 s += f'{x}\\000' if x else '\\000' 402 s += f'{x}\\000' if x else '\\000'
427 return s 403 return s
428 404
429 def to_c_string(self, metric: bool) -> str: 405 def to_c_string(self, metric: bool) -> str:
430 """Representation of the event as a C stru 406 """Representation of the event as a C struct initializer."""
431 407
432 s = self.build_c_string(metric) 408 s = self.build_c_string(metric)
433 return f'{{ { _bcs.offsets[s] } }}, /* {s} 409 return f'{{ { _bcs.offsets[s] } }}, /* {s} */\n'
434 410
435 411
436 @lru_cache(maxsize=None) 412 @lru_cache(maxsize=None)
437 def read_json_events(path: str, topic: str) -> 413 def read_json_events(path: str, topic: str) -> Sequence[JsonEvent]:
438 """Read json events from the specified file. 414 """Read json events from the specified file."""
439 try: 415 try:
440 events = json.load(open(path), object_hook 416 events = json.load(open(path), object_hook=JsonEvent)
441 except BaseException as err: 417 except BaseException as err:
442 print(f"Exception processing {path}") 418 print(f"Exception processing {path}")
443 raise 419 raise
444 metrics: list[Tuple[str, str, metric.Express 420 metrics: list[Tuple[str, str, metric.Expression]] = []
445 for event in events: 421 for event in events:
446 event.topic = topic 422 event.topic = topic
447 if event.metric_name and '-' not in event. 423 if event.metric_name and '-' not in event.metric_name:
448 metrics.append((event.pmu, event.metric_ 424 metrics.append((event.pmu, event.metric_name, event.metric_expr))
449 updates = metric.RewriteMetricsInTermsOfOthe 425 updates = metric.RewriteMetricsInTermsOfOthers(metrics)
450 if updates: 426 if updates:
451 for event in events: 427 for event in events:
452 if event.metric_name in updates: 428 if event.metric_name in updates:
453 # print(f'Updated {event.metric_name} 429 # print(f'Updated {event.metric_name} from\n"{event.metric_expr}"\n'
454 # f'to\n"{updates[event.metric_n 430 # f'to\n"{updates[event.metric_name]}"')
455 event.metric_expr = updates[event.metr 431 event.metric_expr = updates[event.metric_name]
456 432
457 return events 433 return events
458 434
459 def preprocess_arch_std_files(archpath: str) - 435 def preprocess_arch_std_files(archpath: str) -> None:
460 """Read in all architecture standard events. 436 """Read in all architecture standard events."""
461 global _arch_std_events 437 global _arch_std_events
462 for item in os.scandir(archpath): 438 for item in os.scandir(archpath):
463 if item.is_file() and item.name.endswith(' 439 if item.is_file() and item.name.endswith('.json'):
464 for event in read_json_events(item.path, 440 for event in read_json_events(item.path, topic=''):
465 if event.name: 441 if event.name:
466 _arch_std_events[event.name.lower()] 442 _arch_std_events[event.name.lower()] = event
467 if event.metric_name: 443 if event.metric_name:
468 _arch_std_events[event.metric_name.l 444 _arch_std_events[event.metric_name.lower()] = event
469 445
470 446
471 def add_events_table_entries(item: os.DirEntry 447 def add_events_table_entries(item: os.DirEntry, topic: str) -> None:
472 """Add contents of file to _pending_events t 448 """Add contents of file to _pending_events table."""
473 for e in read_json_events(item.path, topic): 449 for e in read_json_events(item.path, topic):
474 if e.name: 450 if e.name:
475 _pending_events.append(e) 451 _pending_events.append(e)
476 if e.metric_name: 452 if e.metric_name:
477 _pending_metrics.append(e) 453 _pending_metrics.append(e)
478 454
479 455
480 def print_pending_events() -> None: 456 def print_pending_events() -> None:
481 """Optionally close events table.""" 457 """Optionally close events table."""
482 458
483 def event_cmp_key(j: JsonEvent) -> Tuple[str 459 def event_cmp_key(j: JsonEvent) -> Tuple[str, str, bool, str, str]:
484 def fix_none(s: Optional[str]) -> str: 460 def fix_none(s: Optional[str]) -> str:
485 if s is None: 461 if s is None:
486 return '' 462 return ''
487 return s 463 return s
488 464
489 return (fix_none(j.pmu).replace(',','_'), 465 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)) 466 fix_none(j.metric_name))
491 467
492 global _pending_events 468 global _pending_events
493 if not _pending_events: 469 if not _pending_events:
494 return 470 return
495 471
496 global _pending_events_tblname 472 global _pending_events_tblname
497 if _pending_events_tblname.endswith('_sys'): 473 if _pending_events_tblname.endswith('_sys'):
498 global _sys_event_tables 474 global _sys_event_tables
499 _sys_event_tables.append(_pending_events_t 475 _sys_event_tables.append(_pending_events_tblname)
500 else: 476 else:
501 global event_tables 477 global event_tables
502 _event_tables.append(_pending_events_tblna 478 _event_tables.append(_pending_events_tblname)
503 479
504 first = True 480 first = True
505 last_pmu = None 481 last_pmu = None
506 last_name = None <<
507 pmus = set() 482 pmus = set()
508 for event in sorted(_pending_events, key=eve 483 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: 484 if event.pmu != last_pmu:
512 if not first: 485 if not first:
513 _args.output_file.write('};\n') 486 _args.output_file.write('};\n')
514 pmu_name = event.pmu.replace(',', '_') 487 pmu_name = event.pmu.replace(',', '_')
515 _args.output_file.write( 488 _args.output_file.write(
516 f'static const struct compact_pmu_ev 489 f'static const struct compact_pmu_event {_pending_events_tblname}_{pmu_name}[] = {{\n')
517 first = False 490 first = False
518 last_pmu = event.pmu 491 last_pmu = event.pmu
519 pmus.add((event.pmu, pmu_name)) 492 pmus.add((event.pmu, pmu_name))
520 493
521 _args.output_file.write(event.to_c_string( 494 _args.output_file.write(event.to_c_string(metric=False))
522 last_name = event.name <<
523 _pending_events = [] 495 _pending_events = []
524 496
525 _args.output_file.write(f""" 497 _args.output_file.write(f"""
526 }}; 498 }};
527 499
528 const struct pmu_table_entry {_pending_events_ 500 const struct pmu_table_entry {_pending_events_tblname}[] = {{
529 """) 501 """)
530 for (pmu, tbl_pmu) in sorted(pmus): 502 for (pmu, tbl_pmu) in sorted(pmus):
531 pmu_name = f"{pmu}\\000" 503 pmu_name = f"{pmu}\\000"
532 _args.output_file.write(f"""{{ 504 _args.output_file.write(f"""{{
533 .entries = {_pending_events_tblname}_{tbl 505 .entries = {_pending_events_tblname}_{tbl_pmu},
534 .num_entries = ARRAY_SIZE({_pending_event 506 .num_entries = ARRAY_SIZE({_pending_events_tblname}_{tbl_pmu}),
535 .pmu_name = {{ {_bcs.offsets[pmu_name]} / 507 .pmu_name = {{ {_bcs.offsets[pmu_name]} /* {pmu_name} */ }},
536 }}, 508 }},
537 """) 509 """)
538 _args.output_file.write('};\n\n') 510 _args.output_file.write('};\n\n')
539 511
540 def print_pending_metrics() -> None: 512 def print_pending_metrics() -> None:
541 """Optionally close metrics table.""" 513 """Optionally close metrics table."""
542 514
543 def metric_cmp_key(j: JsonEvent) -> Tuple[bo 515 def metric_cmp_key(j: JsonEvent) -> Tuple[bool, str, str]:
544 def fix_none(s: Optional[str]) -> str: 516 def fix_none(s: Optional[str]) -> str:
545 if s is None: 517 if s is None:
546 return '' 518 return ''
547 return s 519 return s
548 520
549 return (j.desc is not None, fix_none(j.pmu 521 return (j.desc is not None, fix_none(j.pmu), fix_none(j.metric_name))
550 522
551 global _pending_metrics 523 global _pending_metrics
552 if not _pending_metrics: 524 if not _pending_metrics:
553 return 525 return
554 526
555 global _pending_metrics_tblname 527 global _pending_metrics_tblname
556 if _pending_metrics_tblname.endswith('_sys') 528 if _pending_metrics_tblname.endswith('_sys'):
557 global _sys_metric_tables 529 global _sys_metric_tables
558 _sys_metric_tables.append(_pending_metrics 530 _sys_metric_tables.append(_pending_metrics_tblname)
559 else: 531 else:
560 global metric_tables 532 global metric_tables
561 _metric_tables.append(_pending_metrics_tbl 533 _metric_tables.append(_pending_metrics_tblname)
562 534
563 first = True 535 first = True
564 last_pmu = None 536 last_pmu = None
565 pmus = set() 537 pmus = set()
566 for metric in sorted(_pending_metrics, key=m 538 for metric in sorted(_pending_metrics, key=metric_cmp_key):
567 if metric.pmu != last_pmu: 539 if metric.pmu != last_pmu:
568 if not first: 540 if not first:
569 _args.output_file.write('};\n') 541 _args.output_file.write('};\n')
570 pmu_name = metric.pmu.replace(',', '_') 542 pmu_name = metric.pmu.replace(',', '_')
571 _args.output_file.write( 543 _args.output_file.write(
572 f'static const struct compact_pmu_ev 544 f'static const struct compact_pmu_event {_pending_metrics_tblname}_{pmu_name}[] = {{\n')
573 first = False 545 first = False
574 last_pmu = metric.pmu 546 last_pmu = metric.pmu
575 pmus.add((metric.pmu, pmu_name)) 547 pmus.add((metric.pmu, pmu_name))
576 548
577 _args.output_file.write(metric.to_c_string 549 _args.output_file.write(metric.to_c_string(metric=True))
578 _pending_metrics = [] 550 _pending_metrics = []
579 551
580 _args.output_file.write(f""" 552 _args.output_file.write(f"""
581 }}; 553 }};
582 554
583 const struct pmu_table_entry {_pending_metrics 555 const struct pmu_table_entry {_pending_metrics_tblname}[] = {{
584 """) 556 """)
585 for (pmu, tbl_pmu) in sorted(pmus): 557 for (pmu, tbl_pmu) in sorted(pmus):
586 pmu_name = f"{pmu}\\000" 558 pmu_name = f"{pmu}\\000"
587 _args.output_file.write(f"""{{ 559 _args.output_file.write(f"""{{
588 .entries = {_pending_metrics_tblname}_{tb 560 .entries = {_pending_metrics_tblname}_{tbl_pmu},
589 .num_entries = ARRAY_SIZE({_pending_metri 561 .num_entries = ARRAY_SIZE({_pending_metrics_tblname}_{tbl_pmu}),
590 .pmu_name = {{ {_bcs.offsets[pmu_name]} / 562 .pmu_name = {{ {_bcs.offsets[pmu_name]} /* {pmu_name} */ }},
591 }}, 563 }},
592 """) 564 """)
593 _args.output_file.write('};\n\n') 565 _args.output_file.write('};\n\n')
594 566
595 def get_topic(topic: str) -> str: 567 def get_topic(topic: str) -> str:
596 if topic.endswith('metrics.json'): 568 if topic.endswith('metrics.json'):
597 return 'metrics' 569 return 'metrics'
598 return removesuffix(topic, '.json').replace( 570 return removesuffix(topic, '.json').replace('-', ' ')
599 571
600 def preprocess_one_file(parents: Sequence[str] 572 def preprocess_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
601 573
602 if item.is_dir(): 574 if item.is_dir():
603 return 575 return
604 576
605 # base dir or too deep 577 # base dir or too deep
606 level = len(parents) 578 level = len(parents)
607 if level == 0 or level > 4: 579 if level == 0 or level > 4:
608 return 580 return
609 581
610 # Ignore other directories. If the file name 582 # Ignore other directories. If the file name does not have a .json
611 # extension, ignore it. It could be a readme 583 # extension, ignore it. It could be a readme.txt for instance.
612 if not item.is_file() or not item.name.endsw 584 if not item.is_file() or not item.name.endswith('.json'):
613 return 585 return
614 586
615 if item.name == 'metricgroups.json': 587 if item.name == 'metricgroups.json':
616 metricgroup_descriptions = json.load(open( 588 metricgroup_descriptions = json.load(open(item.path))
617 for mgroup in metricgroup_descriptions: 589 for mgroup in metricgroup_descriptions:
618 assert len(mgroup) > 1, parents 590 assert len(mgroup) > 1, parents
619 description = f"{metricgroup_description 591 description = f"{metricgroup_descriptions[mgroup]}\\000"
620 mgroup = f"{mgroup}\\000" 592 mgroup = f"{mgroup}\\000"
621 _bcs.add(mgroup, metric=True) 593 _bcs.add(mgroup, metric=True)
622 _bcs.add(description, metric=True) 594 _bcs.add(description, metric=True)
623 _metricgroups[mgroup] = description 595 _metricgroups[mgroup] = description
624 return 596 return
625 597
626 topic = get_topic(item.name) 598 topic = get_topic(item.name)
627 for event in read_json_events(item.path, top 599 for event in read_json_events(item.path, topic):
628 pmu_name = f"{event.pmu}\\000" 600 pmu_name = f"{event.pmu}\\000"
629 if event.name: 601 if event.name:
630 _bcs.add(pmu_name, metric=False) 602 _bcs.add(pmu_name, metric=False)
631 _bcs.add(event.build_c_string(metric=Fal 603 _bcs.add(event.build_c_string(metric=False), metric=False)
632 if event.metric_name: 604 if event.metric_name:
633 _bcs.add(pmu_name, metric=True) 605 _bcs.add(pmu_name, metric=True)
634 _bcs.add(event.build_c_string(metric=Tru 606 _bcs.add(event.build_c_string(metric=True), metric=True)
635 607
636 def process_one_file(parents: Sequence[str], i 608 def process_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
637 """Process a JSON file during the main walk. 609 """Process a JSON file during the main walk."""
638 def is_leaf_dir_ignoring_sys(path: str) -> b !! 610 def is_leaf_dir(path: str) -> bool:
639 for item in os.scandir(path): 611 for item in os.scandir(path):
640 if item.is_dir() and item.name != 'sys': !! 612 if item.is_dir():
641 return False 613 return False
642 return True 614 return True
643 615
644 # Model directories are leaves (ignoring pos !! 616 # model directory, reset topic
645 # directories). The FTW will walk into the d !! 617 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() 618 print_pending_events()
650 print_pending_metrics() 619 print_pending_metrics()
651 620
652 global _pending_events_tblname 621 global _pending_events_tblname
653 _pending_events_tblname = file_name_to_tab 622 _pending_events_tblname = file_name_to_table_name('pmu_events_', parents, item.name)
654 global _pending_metrics_tblname 623 global _pending_metrics_tblname
655 _pending_metrics_tblname = file_name_to_ta 624 _pending_metrics_tblname = file_name_to_table_name('pmu_metrics_', parents, item.name)
656 625
657 if item.name == 'sys': 626 if item.name == 'sys':
658 _sys_event_table_to_metric_table_mapping 627 _sys_event_table_to_metric_table_mapping[_pending_events_tblname] = _pending_metrics_tblname
659 return 628 return
660 629
661 # base dir or too deep 630 # base dir or too deep
662 level = len(parents) 631 level = len(parents)
663 if level == 0 or level > 4: 632 if level == 0 or level > 4:
664 return 633 return
665 634
666 # Ignore other directories. If the file name 635 # Ignore other directories. If the file name does not have a .json
667 # extension, ignore it. It could be a readme 636 # extension, ignore it. It could be a readme.txt for instance.
668 if not item.is_file() or not item.name.endsw 637 if not item.is_file() or not item.name.endswith('.json') or item.name == 'metricgroups.json':
669 return 638 return
670 639
671 add_events_table_entries(item, get_topic(ite 640 add_events_table_entries(item, get_topic(item.name))
672 641
673 642
674 def print_mapping_table(archs: Sequence[str]) 643 def print_mapping_table(archs: Sequence[str]) -> None:
675 """Read the mapfile and generate the struct 644 """Read the mapfile and generate the struct from cpuid string to event table."""
676 _args.output_file.write(""" 645 _args.output_file.write("""
677 /* Struct used to make the PMU event table imp 646 /* Struct used to make the PMU event table implementation opaque to callers. */
678 struct pmu_events_table { 647 struct pmu_events_table {
679 const struct pmu_table_entry *pmus; 648 const struct pmu_table_entry *pmus;
680 uint32_t num_pmus; 649 uint32_t num_pmus;
681 }; 650 };
682 651
683 /* Struct used to make the PMU metric table im 652 /* Struct used to make the PMU metric table implementation opaque to callers. */
684 struct pmu_metrics_table { 653 struct pmu_metrics_table {
685 const struct pmu_table_entry *pmus; 654 const struct pmu_table_entry *pmus;
686 uint32_t num_pmus; 655 uint32_t num_pmus;
687 }; 656 };
688 657
689 /* 658 /*
690 * Map a CPU to its table of PMU events. The C 659 * Map a CPU to its table of PMU events. The CPU is identified by the
691 * cpuid field, which is an arch-specific iden 660 * cpuid field, which is an arch-specific identifier for the CPU.
692 * The identifier specified in tools/perf/pmu- 661 * The identifier specified in tools/perf/pmu-events/arch/xxx/mapfile
693 * must match the get_cpuid_str() in tools/per 662 * must match the get_cpuid_str() in tools/perf/arch/xxx/util/header.c)
694 * 663 *
695 * The cpuid can contain any character other 664 * The cpuid can contain any character other than the comma.
696 */ 665 */
697 struct pmu_events_map { 666 struct pmu_events_map {
698 const char *arch; 667 const char *arch;
699 const char *cpuid; 668 const char *cpuid;
700 struct pmu_events_table event_table; 669 struct pmu_events_table event_table;
701 struct pmu_metrics_table metric_table; 670 struct pmu_metrics_table metric_table;
702 }; 671 };
703 672
704 /* 673 /*
705 * Global table mapping each known CPU for the 674 * Global table mapping each known CPU for the architecture to its
706 * table of PMU events. 675 * table of PMU events.
707 */ 676 */
708 const struct pmu_events_map pmu_events_map[] = 677 const struct pmu_events_map pmu_events_map[] = {
709 """) 678 """)
710 for arch in archs: 679 for arch in archs:
711 if arch == 'test': 680 if arch == 'test':
712 _args.output_file.write("""{ 681 _args.output_file.write("""{
713 \t.arch = "testarch", 682 \t.arch = "testarch",
714 \t.cpuid = "testcpu", 683 \t.cpuid = "testcpu",
715 \t.event_table = { 684 \t.event_table = {
716 \t\t.pmus = pmu_events__test_soc_cpu, 685 \t\t.pmus = pmu_events__test_soc_cpu,
717 \t\t.num_pmus = ARRAY_SIZE(pmu_events__test_so 686 \t\t.num_pmus = ARRAY_SIZE(pmu_events__test_soc_cpu),
718 \t}, 687 \t},
719 \t.metric_table = { 688 \t.metric_table = {
720 \t\t.pmus = pmu_metrics__test_soc_cpu, 689 \t\t.pmus = pmu_metrics__test_soc_cpu,
721 \t\t.num_pmus = ARRAY_SIZE(pmu_metrics__test_s 690 \t\t.num_pmus = ARRAY_SIZE(pmu_metrics__test_soc_cpu),
722 \t} 691 \t}
723 }, 692 },
724 """) 693 """)
725 else: 694 else:
726 with open(f'{_args.starting_dir}/{arch}/ 695 with open(f'{_args.starting_dir}/{arch}/mapfile.csv') as csvfile:
727 table = csv.reader(csvfile) 696 table = csv.reader(csvfile)
728 first = True 697 first = True
729 for row in table: 698 for row in table:
730 # Skip the first row or any row begi 699 # Skip the first row or any row beginning with #.
731 if not first and len(row) > 0 and no 700 if not first and len(row) > 0 and not row[0].startswith('#'):
732 event_tblname = file_name_to_table 701 event_tblname = file_name_to_table_name('pmu_events_', [], row[2].replace('/', '_'))
733 if event_tblname in _event_tables: 702 if event_tblname in _event_tables:
734 event_size = f'ARRAY_SIZE({event 703 event_size = f'ARRAY_SIZE({event_tblname})'
735 else: 704 else:
736 event_tblname = 'NULL' 705 event_tblname = 'NULL'
737 event_size = '0' 706 event_size = '0'
738 metric_tblname = file_name_to_tabl 707 metric_tblname = file_name_to_table_name('pmu_metrics_', [], row[2].replace('/', '_'))
739 if metric_tblname in _metric_table 708 if metric_tblname in _metric_tables:
740 metric_size = f'ARRAY_SIZE({metr 709 metric_size = f'ARRAY_SIZE({metric_tblname})'
741 else: 710 else:
742 metric_tblname = 'NULL' 711 metric_tblname = 'NULL'
743 metric_size = '0' 712 metric_size = '0'
744 if event_size == '0' and metric_si 713 if event_size == '0' and metric_size == '0':
745 continue 714 continue
746 cpuid = row[0].replace('\\', '\\\\ 715 cpuid = row[0].replace('\\', '\\\\')
747 _args.output_file.write(f"""{{ 716 _args.output_file.write(f"""{{
748 \t.arch = "{arch}", 717 \t.arch = "{arch}",
749 \t.cpuid = "{cpuid}", 718 \t.cpuid = "{cpuid}",
750 \t.event_table = {{ 719 \t.event_table = {{
751 \t\t.pmus = {event_tblname}, 720 \t\t.pmus = {event_tblname},
752 \t\t.num_pmus = {event_size} 721 \t\t.num_pmus = {event_size}
753 \t}}, 722 \t}},
754 \t.metric_table = {{ 723 \t.metric_table = {{
755 \t\t.pmus = {metric_tblname}, 724 \t\t.pmus = {metric_tblname},
756 \t\t.num_pmus = {metric_size} 725 \t\t.num_pmus = {metric_size}
757 \t}} 726 \t}}
758 }}, 727 }},
759 """) 728 """)
760 first = False 729 first = False
761 730
762 _args.output_file.write("""{ 731 _args.output_file.write("""{
763 \t.arch = 0, 732 \t.arch = 0,
764 \t.cpuid = 0, 733 \t.cpuid = 0,
765 \t.event_table = { 0, 0 }, 734 \t.event_table = { 0, 0 },
766 \t.metric_table = { 0, 0 }, 735 \t.metric_table = { 0, 0 },
767 } 736 }
768 }; 737 };
769 """) 738 """)
770 739
771 740
772 def print_system_mapping_table() -> None: 741 def print_system_mapping_table() -> None:
773 """C struct mapping table array for tables f 742 """C struct mapping table array for tables from /sys directories."""
774 _args.output_file.write(""" 743 _args.output_file.write("""
775 struct pmu_sys_events { 744 struct pmu_sys_events {
776 \tconst char *name; 745 \tconst char *name;
777 \tstruct pmu_events_table event_table; 746 \tstruct pmu_events_table event_table;
778 \tstruct pmu_metrics_table metric_table; 747 \tstruct pmu_metrics_table metric_table;
779 }; 748 };
780 749
781 static const struct pmu_sys_events pmu_sys_eve 750 static const struct pmu_sys_events pmu_sys_event_tables[] = {
782 """) 751 """)
783 printed_metric_tables = [] 752 printed_metric_tables = []
784 for tblname in _sys_event_tables: 753 for tblname in _sys_event_tables:
785 _args.output_file.write(f"""\t{{ 754 _args.output_file.write(f"""\t{{
786 \t\t.event_table = {{ 755 \t\t.event_table = {{
787 \t\t\t.pmus = {tblname}, 756 \t\t\t.pmus = {tblname},
788 \t\t\t.num_pmus = ARRAY_SIZE({tblname}) 757 \t\t\t.num_pmus = ARRAY_SIZE({tblname})
789 \t\t}},""") 758 \t\t}},""")
790 metric_tblname = _sys_event_table_to_metri 759 metric_tblname = _sys_event_table_to_metric_table_mapping[tblname]
791 if metric_tblname in _sys_metric_tables: 760 if metric_tblname in _sys_metric_tables:
792 _args.output_file.write(f""" 761 _args.output_file.write(f"""
793 \t\t.metric_table = {{ 762 \t\t.metric_table = {{
794 \t\t\t.pmus = {metric_tblname}, 763 \t\t\t.pmus = {metric_tblname},
795 \t\t\t.num_pmus = ARRAY_SIZE({metric_tblname}) 764 \t\t\t.num_pmus = ARRAY_SIZE({metric_tblname})
796 \t\t}},""") 765 \t\t}},""")
797 printed_metric_tables.append(metric_tbln 766 printed_metric_tables.append(metric_tblname)
798 _args.output_file.write(f""" 767 _args.output_file.write(f"""
799 \t\t.name = \"{tblname}\", 768 \t\t.name = \"{tblname}\",
800 \t}}, 769 \t}},
801 """) 770 """)
802 for tblname in _sys_metric_tables: 771 for tblname in _sys_metric_tables:
803 if tblname in printed_metric_tables: 772 if tblname in printed_metric_tables:
804 continue 773 continue
805 _args.output_file.write(f"""\t{{ 774 _args.output_file.write(f"""\t{{
806 \t\t.metric_table = {{ 775 \t\t.metric_table = {{
807 \t\t\t.pmus = {tblname}, 776 \t\t\t.pmus = {tblname},
808 \t\t\t.num_pmus = ARRAY_SIZE({tblname}) 777 \t\t\t.num_pmus = ARRAY_SIZE({tblname})
809 \t\t}}, 778 \t\t}},
810 \t\t.name = \"{tblname}\", 779 \t\t.name = \"{tblname}\",
811 \t}}, 780 \t}},
812 """) 781 """)
813 _args.output_file.write("""\t{ 782 _args.output_file.write("""\t{
814 \t\t.event_table = { 0, 0 }, 783 \t\t.event_table = { 0, 0 },
815 \t\t.metric_table = { 0, 0 }, 784 \t\t.metric_table = { 0, 0 },
816 \t}, 785 \t},
817 }; 786 };
818 787
819 static void decompress_event(int offset, struc 788 static void decompress_event(int offset, struct pmu_event *pe)
820 { 789 {
821 \tconst char *p = &big_c_string[offset]; 790 \tconst char *p = &big_c_string[offset];
822 """) 791 """)
823 for attr in _json_event_attributes: 792 for attr in _json_event_attributes:
824 _args.output_file.write(f'\n\tpe->{attr} = 793 _args.output_file.write(f'\n\tpe->{attr} = ')
825 if attr in _json_enum_attributes: 794 if attr in _json_enum_attributes:
826 _args.output_file.write("*p - '0';\n") 795 _args.output_file.write("*p - '0';\n")
827 else: 796 else:
828 _args.output_file.write("(*p == '\\0' ? 797 _args.output_file.write("(*p == '\\0' ? NULL : p);\n")
829 if attr == _json_event_attributes[-1]: 798 if attr == _json_event_attributes[-1]:
830 continue 799 continue
831 if attr in _json_enum_attributes: 800 if attr in _json_enum_attributes:
832 _args.output_file.write('\tp++;') 801 _args.output_file.write('\tp++;')
833 else: 802 else:
834 _args.output_file.write('\twhile (*p++); 803 _args.output_file.write('\twhile (*p++);')
835 _args.output_file.write("""} 804 _args.output_file.write("""}
836 805
837 static void decompress_metric(int offset, stru 806 static void decompress_metric(int offset, struct pmu_metric *pm)
838 { 807 {
839 \tconst char *p = &big_c_string[offset]; 808 \tconst char *p = &big_c_string[offset];
840 """) 809 """)
841 for attr in _json_metric_attributes: 810 for attr in _json_metric_attributes:
842 _args.output_file.write(f'\n\tpm->{attr} = 811 _args.output_file.write(f'\n\tpm->{attr} = ')
843 if attr in _json_enum_attributes: 812 if attr in _json_enum_attributes:
844 _args.output_file.write("*p - '0';\n") 813 _args.output_file.write("*p - '0';\n")
845 else: 814 else:
846 _args.output_file.write("(*p == '\\0' ? 815 _args.output_file.write("(*p == '\\0' ? NULL : p);\n")
847 if attr == _json_metric_attributes[-1]: 816 if attr == _json_metric_attributes[-1]:
848 continue 817 continue
849 if attr in _json_enum_attributes: 818 if attr in _json_enum_attributes:
850 _args.output_file.write('\tp++;') 819 _args.output_file.write('\tp++;')
851 else: 820 else:
852 _args.output_file.write('\twhile (*p++); 821 _args.output_file.write('\twhile (*p++);')
853 _args.output_file.write("""} 822 _args.output_file.write("""}
854 823
855 static int pmu_events_table__for_each_event_pm 824 static int pmu_events_table__for_each_event_pmu(const struct pmu_events_table *table,
856 825 const struct pmu_table_entry *pmu,
857 826 pmu_event_iter_fn fn,
858 827 void *data)
859 { 828 {
860 int ret; 829 int ret;
861 struct pmu_event pe = { 830 struct pmu_event pe = {
862 .pmu = &big_c_string[pmu->pmu_ 831 .pmu = &big_c_string[pmu->pmu_name.offset],
863 }; 832 };
864 833
865 for (uint32_t i = 0; i < pmu->num_entr 834 for (uint32_t i = 0; i < pmu->num_entries; i++) {
866 decompress_event(pmu->entries[ 835 decompress_event(pmu->entries[i].offset, &pe);
867 if (!pe.name) 836 if (!pe.name)
868 continue; 837 continue;
869 ret = fn(&pe, table, data); 838 ret = fn(&pe, table, data);
870 if (ret) 839 if (ret)
871 return ret; 840 return ret;
872 } 841 }
873 return 0; 842 return 0;
874 } 843 }
875 844
876 static int pmu_events_table__find_event_pmu(co 845 static int pmu_events_table__find_event_pmu(const struct pmu_events_table *table,
877 co 846 const struct pmu_table_entry *pmu,
878 co 847 const char *name,
879 pm 848 pmu_event_iter_fn fn,
880 vo 849 void *data)
881 { 850 {
882 struct pmu_event pe = { 851 struct pmu_event pe = {
883 .pmu = &big_c_string[pmu->pmu_ 852 .pmu = &big_c_string[pmu->pmu_name.offset],
884 }; 853 };
885 int low = 0, high = pmu->num_entries - 854 int low = 0, high = pmu->num_entries - 1;
886 855
887 while (low <= high) { 856 while (low <= high) {
888 int cmp, mid = (low + high) / 857 int cmp, mid = (low + high) / 2;
889 858
890 decompress_event(pmu->entries[ 859 decompress_event(pmu->entries[mid].offset, &pe);
891 860
892 if (!pe.name && !name) 861 if (!pe.name && !name)
893 goto do_call; 862 goto do_call;
894 863
895 if (!pe.name && name) { 864 if (!pe.name && name) {
896 low = mid + 1; 865 low = mid + 1;
897 continue; 866 continue;
898 } 867 }
899 if (pe.name && !name) { 868 if (pe.name && !name) {
900 high = mid - 1; 869 high = mid - 1;
901 continue; 870 continue;
902 } 871 }
903 872
904 cmp = strcasecmp(pe.name, name 873 cmp = strcasecmp(pe.name, name);
905 if (cmp < 0) { 874 if (cmp < 0) {
906 low = mid + 1; 875 low = mid + 1;
907 continue; 876 continue;
908 } 877 }
909 if (cmp > 0) { 878 if (cmp > 0) {
910 high = mid - 1; 879 high = mid - 1;
911 continue; 880 continue;
912 } 881 }
913 do_call: 882 do_call:
914 return fn ? fn(&pe, table, dat 883 return fn ? fn(&pe, table, data) : 0;
915 } 884 }
916 return PMU_EVENTS__NOT_FOUND; !! 885 return -1000;
917 } 886 }
918 887
919 int pmu_events_table__for_each_event(const str 888 int pmu_events_table__for_each_event(const struct pmu_events_table *table,
920 struct per 889 struct perf_pmu *pmu,
921 pmu_event_ 890 pmu_event_iter_fn fn,
922 void *data 891 void *data)
923 { 892 {
924 for (size_t i = 0; i < table->num_pmus 893 for (size_t i = 0; i < table->num_pmus; i++) {
925 const struct pmu_table_entry * 894 const struct pmu_table_entry *table_pmu = &table->pmus[i];
926 const char *pmu_name = &big_c_ 895 const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
927 int ret; 896 int ret;
928 897
929 if (pmu && !pmu__name_match(pm 898 if (pmu && !pmu__name_match(pmu, pmu_name))
930 continue; 899 continue;
931 900
932 ret = pmu_events_table__for_ea 901 ret = pmu_events_table__for_each_event_pmu(table, table_pmu, fn, data);
933 if (pmu || ret) 902 if (pmu || ret)
934 return ret; 903 return ret;
935 } 904 }
936 return 0; 905 return 0;
937 } 906 }
938 907
939 int pmu_events_table__find_event(const struct 908 int pmu_events_table__find_event(const struct pmu_events_table *table,
940 struct perf_p 909 struct perf_pmu *pmu,
941 const char *n 910 const char *name,
942 pmu_event_ite 911 pmu_event_iter_fn fn,
943 void *data) 912 void *data)
944 { 913 {
945 for (size_t i = 0; i < table->num_pmus 914 for (size_t i = 0; i < table->num_pmus; i++) {
946 const struct pmu_table_entry * 915 const struct pmu_table_entry *table_pmu = &table->pmus[i];
947 const char *pmu_name = &big_c_ 916 const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
948 int ret; 917 int ret;
949 918
950 if (!pmu__name_match(pmu, pmu_ 919 if (!pmu__name_match(pmu, pmu_name))
951 continue; 920 continue;
952 921
953 ret = pmu_events_table__find_e 922 ret = pmu_events_table__find_event_pmu(table, table_pmu, name, fn, data);
954 if (ret != PMU_EVENTS__NOT_FOU !! 923 if (ret != -1000)
955 return ret; 924 return ret;
956 } 925 }
957 return PMU_EVENTS__NOT_FOUND; !! 926 return -1000;
958 } 927 }
959 928
960 size_t pmu_events_table__num_events(const stru 929 size_t pmu_events_table__num_events(const struct pmu_events_table *table,
961 struct per 930 struct perf_pmu *pmu)
962 { 931 {
963 size_t count = 0; 932 size_t count = 0;
964 933
965 for (size_t i = 0; i < table->num_pmus 934 for (size_t i = 0; i < table->num_pmus; i++) {
966 const struct pmu_table_entry * 935 const struct pmu_table_entry *table_pmu = &table->pmus[i];
967 const char *pmu_name = &big_c_ 936 const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
968 937
969 if (pmu__name_match(pmu, pmu_n 938 if (pmu__name_match(pmu, pmu_name))
970 count += table_pmu->nu 939 count += table_pmu->num_entries;
971 } 940 }
972 return count; 941 return count;
973 } 942 }
974 943
975 static int pmu_metrics_table__for_each_metric_ 944 static int pmu_metrics_table__for_each_metric_pmu(const struct pmu_metrics_table *table,
976 945 const struct pmu_table_entry *pmu,
977 946 pmu_metric_iter_fn fn,
978 947 void *data)
979 { 948 {
980 int ret; 949 int ret;
981 struct pmu_metric pm = { 950 struct pmu_metric pm = {
982 .pmu = &big_c_string[pmu->pmu_ 951 .pmu = &big_c_string[pmu->pmu_name.offset],
983 }; 952 };
984 953
985 for (uint32_t i = 0; i < pmu->num_entr 954 for (uint32_t i = 0; i < pmu->num_entries; i++) {
986 decompress_metric(pmu->entries 955 decompress_metric(pmu->entries[i].offset, &pm);
987 if (!pm.metric_expr) 956 if (!pm.metric_expr)
988 continue; 957 continue;
989 ret = fn(&pm, table, data); 958 ret = fn(&pm, table, data);
990 if (ret) 959 if (ret)
991 return ret; 960 return ret;
992 } 961 }
993 return 0; 962 return 0;
994 } 963 }
995 964
996 int pmu_metrics_table__for_each_metric(const s 965 int pmu_metrics_table__for_each_metric(const struct pmu_metrics_table *table,
997 pmu_metri 966 pmu_metric_iter_fn fn,
998 void *dat 967 void *data)
999 { 968 {
1000 for (size_t i = 0; i < table->num_pmu 969 for (size_t i = 0; i < table->num_pmus; i++) {
1001 int ret = pmu_metrics_table__ 970 int ret = pmu_metrics_table__for_each_metric_pmu(table, &table->pmus[i],
1002 971 fn, data);
1003 972
1004 if (ret) 973 if (ret)
1005 return ret; 974 return ret;
1006 } 975 }
1007 return 0; 976 return 0;
1008 } 977 }
1009 978
1010 static const struct pmu_events_map *map_for_p 979 static const struct pmu_events_map *map_for_pmu(struct perf_pmu *pmu)
1011 { 980 {
1012 static struct { 981 static struct {
1013 const struct pmu_events_map * 982 const struct pmu_events_map *map;
1014 struct perf_pmu *pmu; 983 struct perf_pmu *pmu;
1015 } last_result; 984 } last_result;
1016 static struct { 985 static struct {
1017 const struct pmu_events_map * 986 const struct pmu_events_map *map;
1018 char *cpuid; 987 char *cpuid;
1019 } last_map_search; 988 } last_map_search;
1020 static bool has_last_result, has_last 989 static bool has_last_result, has_last_map_search;
1021 const struct pmu_events_map *map = NU 990 const struct pmu_events_map *map = NULL;
1022 char *cpuid = NULL; 991 char *cpuid = NULL;
1023 size_t i; 992 size_t i;
1024 993
1025 if (has_last_result && last_result.pm 994 if (has_last_result && last_result.pmu == pmu)
1026 return last_result.map; 995 return last_result.map;
1027 996
1028 cpuid = perf_pmu__getcpuid(pmu); 997 cpuid = perf_pmu__getcpuid(pmu);
1029 998
1030 /* 999 /*
1031 * On some platforms which uses cpus 1000 * On some platforms which uses cpus map, cpuid can be NULL for
1032 * PMUs other than CORE PMUs. 1001 * PMUs other than CORE PMUs.
1033 */ 1002 */
1034 if (!cpuid) 1003 if (!cpuid)
1035 goto out_update_last_result; 1004 goto out_update_last_result;
1036 1005
1037 if (has_last_map_search && !strcmp(la 1006 if (has_last_map_search && !strcmp(last_map_search.cpuid, cpuid)) {
1038 map = last_map_search.map; 1007 map = last_map_search.map;
1039 free(cpuid); 1008 free(cpuid);
1040 } else { 1009 } else {
1041 i = 0; 1010 i = 0;
1042 for (;;) { 1011 for (;;) {
1043 map = &pmu_events_map 1012 map = &pmu_events_map[i++];
1044 1013
1045 if (!map->arch) { 1014 if (!map->arch) {
1046 map = NULL; 1015 map = NULL;
1047 break; 1016 break;
1048 } 1017 }
1049 1018
1050 if (!strcmp_cpuid_str 1019 if (!strcmp_cpuid_str(map->cpuid, cpuid))
1051 break; 1020 break;
1052 } 1021 }
1053 free(last_map_search.cpuid); 1022 free(last_map_search.cpuid);
1054 last_map_search.cpuid = cpuid; 1023 last_map_search.cpuid = cpuid;
1055 last_map_search.map = map; 1024 last_map_search.map = map;
1056 has_last_map_search = true; 1025 has_last_map_search = true;
1057 } 1026 }
1058 out_update_last_result: 1027 out_update_last_result:
1059 last_result.pmu = pmu; 1028 last_result.pmu = pmu;
1060 last_result.map = map; 1029 last_result.map = map;
1061 has_last_result = true; 1030 has_last_result = true;
1062 return map; 1031 return map;
1063 } 1032 }
1064 1033
1065 const struct pmu_events_table *perf_pmu__find 1034 const struct pmu_events_table *perf_pmu__find_events_table(struct perf_pmu *pmu)
1066 { 1035 {
1067 const struct pmu_events_map *map = ma 1036 const struct pmu_events_map *map = map_for_pmu(pmu);
1068 1037
1069 if (!map) 1038 if (!map)
1070 return NULL; 1039 return NULL;
1071 1040
1072 if (!pmu) 1041 if (!pmu)
1073 return &map->event_table; 1042 return &map->event_table;
1074 1043
1075 for (size_t i = 0; i < map->event_tab 1044 for (size_t i = 0; i < map->event_table.num_pmus; i++) {
1076 const struct pmu_table_entry 1045 const struct pmu_table_entry *table_pmu = &map->event_table.pmus[i];
1077 const char *pmu_name = &big_c 1046 const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
1078 1047
1079 if (pmu__name_match(pmu, pmu_ 1048 if (pmu__name_match(pmu, pmu_name))
1080 return &map->event_t 1049 return &map->event_table;
1081 } 1050 }
1082 return NULL; 1051 return NULL;
1083 } 1052 }
1084 1053
1085 const struct pmu_metrics_table *perf_pmu__fin 1054 const struct pmu_metrics_table *perf_pmu__find_metrics_table(struct perf_pmu *pmu)
1086 { 1055 {
1087 const struct pmu_events_map *map = ma 1056 const struct pmu_events_map *map = map_for_pmu(pmu);
1088 1057
1089 if (!map) 1058 if (!map)
1090 return NULL; 1059 return NULL;
1091 1060
1092 if (!pmu) 1061 if (!pmu)
1093 return &map->metric_table; 1062 return &map->metric_table;
1094 1063
1095 for (size_t i = 0; i < map->metric_ta 1064 for (size_t i = 0; i < map->metric_table.num_pmus; i++) {
1096 const struct pmu_table_entry 1065 const struct pmu_table_entry *table_pmu = &map->metric_table.pmus[i];
1097 const char *pmu_name = &big_c 1066 const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
1098 1067
1099 if (pmu__name_match(pmu, pmu_ 1068 if (pmu__name_match(pmu, pmu_name))
1100 return &map->metri 1069 return &map->metric_table;
1101 } 1070 }
1102 return NULL; 1071 return NULL;
1103 } 1072 }
1104 1073
1105 const struct pmu_events_table *find_core_even 1074 const struct pmu_events_table *find_core_events_table(const char *arch, const char *cpuid)
1106 { 1075 {
1107 for (const struct pmu_events_map *tab 1076 for (const struct pmu_events_map *tables = &pmu_events_map[0];
1108 tables->arch; 1077 tables->arch;
1109 tables++) { 1078 tables++) {
1110 if (!strcmp(tables->arch, arc 1079 if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid))
1111 return &tables->event 1080 return &tables->event_table;
1112 } 1081 }
1113 return NULL; 1082 return NULL;
1114 } 1083 }
1115 1084
1116 const struct pmu_metrics_table *find_core_met 1085 const struct pmu_metrics_table *find_core_metrics_table(const char *arch, const char *cpuid)
1117 { 1086 {
1118 for (const struct pmu_events_map *tab 1087 for (const struct pmu_events_map *tables = &pmu_events_map[0];
1119 tables->arch; 1088 tables->arch;
1120 tables++) { 1089 tables++) {
1121 if (!strcmp(tables->arch, arc 1090 if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid))
1122 return &tables->metri 1091 return &tables->metric_table;
1123 } 1092 }
1124 return NULL; 1093 return NULL;
1125 } 1094 }
1126 1095
1127 int pmu_for_each_core_event(pmu_event_iter_fn 1096 int pmu_for_each_core_event(pmu_event_iter_fn fn, void *data)
1128 { 1097 {
1129 for (const struct pmu_events_map *tab 1098 for (const struct pmu_events_map *tables = &pmu_events_map[0];
1130 tables->arch; 1099 tables->arch;
1131 tables++) { 1100 tables++) {
1132 int ret = pmu_events_table__f 1101 int ret = pmu_events_table__for_each_event(&tables->event_table,
1133 1102 /*pmu=*/ NULL, fn, data);
1134 1103
1135 if (ret) 1104 if (ret)
1136 return ret; 1105 return ret;
1137 } 1106 }
1138 return 0; 1107 return 0;
1139 } 1108 }
1140 1109
1141 int pmu_for_each_core_metric(pmu_metric_iter_ 1110 int pmu_for_each_core_metric(pmu_metric_iter_fn fn, void *data)
1142 { 1111 {
1143 for (const struct pmu_events_map *tab 1112 for (const struct pmu_events_map *tables = &pmu_events_map[0];
1144 tables->arch; 1113 tables->arch;
1145 tables++) { 1114 tables++) {
1146 int ret = pmu_metrics_table__ 1115 int ret = pmu_metrics_table__for_each_metric(&tables->metric_table, fn, data);
1147 1116
1148 if (ret) 1117 if (ret)
1149 return ret; 1118 return ret;
1150 } 1119 }
1151 return 0; 1120 return 0;
1152 } 1121 }
1153 1122
1154 const struct pmu_events_table *find_sys_event 1123 const struct pmu_events_table *find_sys_events_table(const char *name)
1155 { 1124 {
1156 for (const struct pmu_sys_events *tab 1125 for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
1157 tables->name; 1126 tables->name;
1158 tables++) { 1127 tables++) {
1159 if (!strcmp(tables->name, nam 1128 if (!strcmp(tables->name, name))
1160 return &tables->event 1129 return &tables->event_table;
1161 } 1130 }
1162 return NULL; 1131 return NULL;
1163 } 1132 }
1164 1133
1165 int pmu_for_each_sys_event(pmu_event_iter_fn 1134 int pmu_for_each_sys_event(pmu_event_iter_fn fn, void *data)
1166 { 1135 {
1167 for (const struct pmu_sys_events *tab 1136 for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
1168 tables->name; 1137 tables->name;
1169 tables++) { 1138 tables++) {
1170 int ret = pmu_events_table__f 1139 int ret = pmu_events_table__for_each_event(&tables->event_table,
1171 1140 /*pmu=*/ NULL, fn, data);
1172 1141
1173 if (ret) 1142 if (ret)
1174 return ret; 1143 return ret;
1175 } 1144 }
1176 return 0; 1145 return 0;
1177 } 1146 }
1178 1147
1179 int pmu_for_each_sys_metric(pmu_metric_iter_f 1148 int pmu_for_each_sys_metric(pmu_metric_iter_fn fn, void *data)
1180 { 1149 {
1181 for (const struct pmu_sys_events *tab 1150 for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
1182 tables->name; 1151 tables->name;
1183 tables++) { 1152 tables++) {
1184 int ret = pmu_metrics_table__ 1153 int ret = pmu_metrics_table__for_each_metric(&tables->metric_table, fn, data);
1185 1154
1186 if (ret) 1155 if (ret)
1187 return ret; 1156 return ret;
1188 } 1157 }
1189 return 0; 1158 return 0;
1190 } 1159 }
1191 """) 1160 """)
1192 1161
1193 def print_metricgroups() -> None: 1162 def print_metricgroups() -> None:
1194 _args.output_file.write(""" 1163 _args.output_file.write("""
1195 static const int metricgroups[][2] = { 1164 static const int metricgroups[][2] = {
1196 """) 1165 """)
1197 for mgroup in sorted(_metricgroups): 1166 for mgroup in sorted(_metricgroups):
1198 description = _metricgroups[mgroup] 1167 description = _metricgroups[mgroup]
1199 _args.output_file.write( 1168 _args.output_file.write(
1200 f'\t{{ {_bcs.offsets[mgroup]}, {_bcs. 1169 f'\t{{ {_bcs.offsets[mgroup]}, {_bcs.offsets[description]} }}, /* {mgroup} => {description} */\n'
1201 ) 1170 )
1202 _args.output_file.write(""" 1171 _args.output_file.write("""
1203 }; 1172 };
1204 1173
1205 const char *describe_metricgroup(const char * 1174 const char *describe_metricgroup(const char *group)
1206 { 1175 {
1207 int low = 0, high = (int)ARRAY_SIZE(m 1176 int low = 0, high = (int)ARRAY_SIZE(metricgroups) - 1;
1208 1177
1209 while (low <= high) { 1178 while (low <= high) {
1210 int mid = (low + high) / 2; 1179 int mid = (low + high) / 2;
1211 const char *mgroup = &big_c_s 1180 const char *mgroup = &big_c_string[metricgroups[mid][0]];
1212 int cmp = strcmp(mgroup, grou 1181 int cmp = strcmp(mgroup, group);
1213 1182
1214 if (cmp == 0) { 1183 if (cmp == 0) {
1215 return &big_c_string[ 1184 return &big_c_string[metricgroups[mid][1]];
1216 } else if (cmp < 0) { 1185 } else if (cmp < 0) {
1217 low = mid + 1; 1186 low = mid + 1;
1218 } else { 1187 } else {
1219 high = mid - 1; 1188 high = mid - 1;
1220 } 1189 }
1221 } 1190 }
1222 return NULL; 1191 return NULL;
1223 } 1192 }
1224 """) 1193 """)
1225 1194
1226 def main() -> None: 1195 def main() -> None:
1227 global _args 1196 global _args
1228 1197
1229 def dir_path(path: str) -> str: 1198 def dir_path(path: str) -> str:
1230 """Validate path is a directory for argpa 1199 """Validate path is a directory for argparse."""
1231 if os.path.isdir(path): 1200 if os.path.isdir(path):
1232 return path 1201 return path
1233 raise argparse.ArgumentTypeError(f'\'{pat 1202 raise argparse.ArgumentTypeError(f'\'{path}\' is not a valid directory')
1234 1203
1235 def ftw(path: str, parents: Sequence[str], 1204 def ftw(path: str, parents: Sequence[str],
1236 action: Callable[[Sequence[str], os 1205 action: Callable[[Sequence[str], os.DirEntry], None]) -> None:
1237 """Replicate the directory/file walking b 1206 """Replicate the directory/file walking behavior of C's file tree walk."""
1238 for item in sorted(os.scandir(path), key= 1207 for item in sorted(os.scandir(path), key=lambda e: e.name):
1239 if _args.model != 'all' and item.is_dir 1208 if _args.model != 'all' and item.is_dir():
1240 # Check if the model matches one in _ 1209 # Check if the model matches one in _args.model.
1241 if len(parents) == _args.model.split( 1210 if len(parents) == _args.model.split(',')[0].count('/'):
1242 # We're testing the correct directo 1211 # We're testing the correct directory.
1243 item_path = '/'.join(parents) + ('/ 1212 item_path = '/'.join(parents) + ('/' if len(parents) > 0 else '') + item.name
1244 if 'test' not in item_path and item 1213 if 'test' not in item_path and item_path not in _args.model.split(','):
1245 continue 1214 continue
1246 action(parents, item) 1215 action(parents, item)
1247 if item.is_dir(): 1216 if item.is_dir():
1248 ftw(item.path, parents + [item.name], 1217 ftw(item.path, parents + [item.name], action)
1249 1218
1250 ap = argparse.ArgumentParser() 1219 ap = argparse.ArgumentParser()
1251 ap.add_argument('arch', help='Architecture 1220 ap.add_argument('arch', help='Architecture name like x86')
1252 ap.add_argument('model', help='''Select a m 1221 ap.add_argument('model', help='''Select a model such as skylake to
1253 reduce the code size. Normally set to "all". 1222 reduce the code size. Normally set to "all". For architectures like
1254 ARM64 with an implementor/model, the model mu 1223 ARM64 with an implementor/model, the model must include the implementor
1255 such as "arm/cortex-a34".''', 1224 such as "arm/cortex-a34".''',
1256 default='all') 1225 default='all')
1257 ap.add_argument( 1226 ap.add_argument(
1258 'starting_dir', 1227 'starting_dir',
1259 type=dir_path, 1228 type=dir_path,
1260 help='Root of tree containing architect 1229 help='Root of tree containing architecture directories containing json files'
1261 ) 1230 )
1262 ap.add_argument( 1231 ap.add_argument(
1263 'output_file', type=argparse.FileType(' 1232 'output_file', type=argparse.FileType('w', encoding='utf-8'), nargs='?', default=sys.stdout)
1264 _args = ap.parse_args() 1233 _args = ap.parse_args()
1265 1234
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(""" 1235 _args.output_file.write("""
1271 #include <pmu-events/pmu-events.h> 1236 #include <pmu-events/pmu-events.h>
1272 #include "util/header.h" 1237 #include "util/header.h"
1273 #include "util/pmu.h" 1238 #include "util/pmu.h"
1274 #include <string.h> 1239 #include <string.h>
1275 #include <stddef.h> 1240 #include <stddef.h>
1276 1241
1277 struct compact_pmu_event { 1242 struct compact_pmu_event {
1278 int offset; 1243 int offset;
1279 }; 1244 };
1280 1245
1281 struct pmu_table_entry { 1246 struct pmu_table_entry {
1282 const struct compact_pmu_event *entri 1247 const struct compact_pmu_event *entries;
1283 uint32_t num_entries; 1248 uint32_t num_entries;
1284 struct compact_pmu_event pmu_name; 1249 struct compact_pmu_event pmu_name;
1285 }; 1250 };
1286 1251
1287 """) 1252 """)
1288 archs = [] 1253 archs = []
1289 for item in os.scandir(_args.starting_dir): 1254 for item in os.scandir(_args.starting_dir):
1290 if not item.is_dir(): 1255 if not item.is_dir():
1291 continue 1256 continue
1292 if item.name == _args.arch or _args.arch 1257 if item.name == _args.arch or _args.arch == 'all' or item.name == 'test':
1293 archs.append(item.name) 1258 archs.append(item.name)
1294 1259
1295 if len(archs) < 2 and _args.arch != 'none': !! 1260 if len(archs) < 2:
1296 raise IOError(f'Missing architecture dire 1261 raise IOError(f'Missing architecture directory \'{_args.arch}\'')
1297 1262
1298 archs.sort() 1263 archs.sort()
1299 for arch in archs: 1264 for arch in archs:
1300 arch_path = f'{_args.starting_dir}/{arch} 1265 arch_path = f'{_args.starting_dir}/{arch}'
1301 preprocess_arch_std_files(arch_path) 1266 preprocess_arch_std_files(arch_path)
1302 ftw(arch_path, [], preprocess_one_file) 1267 ftw(arch_path, [], preprocess_one_file)
1303 1268
1304 _bcs.compute() 1269 _bcs.compute()
1305 _args.output_file.write('static const char 1270 _args.output_file.write('static const char *const big_c_string =\n')
1306 for s in _bcs.big_string: 1271 for s in _bcs.big_string:
1307 _args.output_file.write(s) 1272 _args.output_file.write(s)
1308 _args.output_file.write(';\n\n') 1273 _args.output_file.write(';\n\n')
1309 for arch in archs: 1274 for arch in archs:
1310 arch_path = f'{_args.starting_dir}/{arch} 1275 arch_path = f'{_args.starting_dir}/{arch}'
1311 ftw(arch_path, [], process_one_file) 1276 ftw(arch_path, [], process_one_file)
1312 print_pending_events() 1277 print_pending_events()
1313 print_pending_metrics() 1278 print_pending_metrics()
1314 1279
1315 print_mapping_table(archs) 1280 print_mapping_table(archs)
1316 print_system_mapping_table() 1281 print_system_mapping_table()
1317 print_metricgroups() 1282 print_metricgroups()
1318 1283
1319 if __name__ == '__main__': 1284 if __name__ == '__main__':
1320 main() 1285 main()
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