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', 289 'UMCPMC': 'amd_umc',
291 'cpu_core': 'cpu_core', 290 'cpu_core': 'cpu_core',
292 'cpu_atom': 'cpu_atom', 291 'cpu_atom': 'cpu_atom',
293 'ali_drw': 'ali_drw', 292 'ali_drw': 'ali_drw',
294 'arm_cmn': 'arm_cmn', 293 'arm_cmn': 'arm_cmn',
295 } 294 }
296 return table[unit] if unit in table else 295 return table[unit] if unit in table else f'uncore_{unit.lower()}'
297 296
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 = 0 297 eventcode = 0
316 if 'EventCode' in jd: 298 if 'EventCode' in jd:
317 eventcode = int(jd['EventCode'].split(', 299 eventcode = int(jd['EventCode'].split(',', 1)[0], 0)
318 if 'ExtSel' in jd: 300 if 'ExtSel' in jd:
319 eventcode |= int(jd['ExtSel']) << 8 301 eventcode |= int(jd['ExtSel']) << 8
320 configcode = int(jd['ConfigCode'], 0) if ' 302 configcode = int(jd['ConfigCode'], 0) if 'ConfigCode' in jd else None
321 eventidcode = int(jd['EventidCode'], 0) if 303 eventidcode = int(jd['EventidCode'], 0) if 'EventidCode' in jd else None
322 self.name = jd['EventName'].lower() if 'Ev 304 self.name = jd['EventName'].lower() if 'EventName' in jd else None
323 self.topic = '' 305 self.topic = ''
324 self.compat = jd.get('Compat') 306 self.compat = jd.get('Compat')
325 self.desc = fixdesc(jd.get('BriefDescripti 307 self.desc = fixdesc(jd.get('BriefDescription'))
326 self.long_desc = fixdesc(jd.get('PublicDes 308 self.long_desc = fixdesc(jd.get('PublicDescription'))
327 precise = jd.get('PEBS') 309 precise = jd.get('PEBS')
328 msr = lookup_msr(jd.get('MSRIndex')) 310 msr = lookup_msr(jd.get('MSRIndex'))
329 msrval = jd.get('MSRValue') 311 msrval = jd.get('MSRValue')
330 extra_desc = '' 312 extra_desc = ''
331 if 'Data_LA' in jd: 313 if 'Data_LA' in jd:
332 extra_desc += ' Supports address when p 314 extra_desc += ' Supports address when precise'
333 if 'Errata' in jd: 315 if 'Errata' in jd:
334 extra_desc += '.' 316 extra_desc += '.'
335 if 'Errata' in jd: 317 if 'Errata' in jd:
336 extra_desc += ' Spec update: ' + jd['Er 318 extra_desc += ' Spec update: ' + jd['Errata']
337 self.pmu = unit_to_pmu(jd.get('Unit')) 319 self.pmu = unit_to_pmu(jd.get('Unit'))
338 filter = jd.get('Filter') 320 filter = jd.get('Filter')
339 self.unit = jd.get('ScaleUnit') 321 self.unit = jd.get('ScaleUnit')
340 self.perpkg = jd.get('PerPkg') 322 self.perpkg = jd.get('PerPkg')
341 self.aggr_mode = convert_aggr_mode(jd.get( 323 self.aggr_mode = convert_aggr_mode(jd.get('AggregationMode'))
342 self.deprecated = jd.get('Deprecated') 324 self.deprecated = jd.get('Deprecated')
343 self.metric_name = jd.get('MetricName') 325 self.metric_name = jd.get('MetricName')
344 self.metric_group = jd.get('MetricGroup') 326 self.metric_group = jd.get('MetricGroup')
345 self.metricgroup_no_group = jd.get('Metric 327 self.metricgroup_no_group = jd.get('MetricgroupNoGroup')
346 self.default_metricgroup_name = jd.get('De 328 self.default_metricgroup_name = jd.get('DefaultMetricgroupName')
347 self.event_grouping = convert_metric_const 329 self.event_grouping = convert_metric_constraint(jd.get('MetricConstraint'))
348 self.metric_expr = None 330 self.metric_expr = None
349 if 'MetricExpr' in jd: 331 if 'MetricExpr' in jd:
350 self.metric_expr = metric.ParsePerfJson( 332 self.metric_expr = metric.ParsePerfJson(jd['MetricExpr']).Simplify()
351 # Note, the metric formula for the thresho 333 # Note, the metric formula for the threshold isn't parsed as the &
352 # and > have incorrect precedence. 334 # and > have incorrect precedence.
353 self.metric_threshold = jd.get('MetricThre 335 self.metric_threshold = jd.get('MetricThreshold')
354 336
355 arch_std = jd.get('ArchStdEvent') 337 arch_std = jd.get('ArchStdEvent')
356 if precise and self.desc and '(Precise Eve 338 if precise and self.desc and '(Precise Event)' not in self.desc:
357 extra_desc += ' (Must be precise)' if pr 339 extra_desc += ' (Must be precise)' if precise == '2' else (' (Precise '
358 340 'event)')
359 event = None 341 event = None
360 if configcode is not None: 342 if configcode is not None:
361 event = f'config={llx(configcode)}' 343 event = f'config={llx(configcode)}'
362 elif eventidcode is not None: 344 elif eventidcode is not None:
363 event = f'eventid={llx(eventidcode)}' 345 event = f'eventid={llx(eventidcode)}'
364 else: 346 else:
365 event = f'event={llx(eventcode)}' 347 event = f'event={llx(eventcode)}'
366 event_fields = [ 348 event_fields = [
367 ('AnyThread', 'any='), 349 ('AnyThread', 'any='),
368 ('PortMask', 'ch_mask='), 350 ('PortMask', 'ch_mask='),
369 ('CounterMask', 'cmask='), 351 ('CounterMask', 'cmask='),
370 ('EdgeDetect', 'edge='), 352 ('EdgeDetect', 'edge='),
371 ('FCMask', 'fc_mask='), 353 ('FCMask', 'fc_mask='),
372 ('Invert', 'inv='), 354 ('Invert', 'inv='),
373 ('SampleAfterValue', 'period='), 355 ('SampleAfterValue', 'period='),
374 ('UMask', 'umask='), 356 ('UMask', 'umask='),
375 ('NodeType', 'type='), 357 ('NodeType', 'type='),
376 ('RdWrMask', 'rdwrmask='), 358 ('RdWrMask', 'rdwrmask='),
377 ('EnAllCores', 'enallcores='), 359 ('EnAllCores', 'enallcores='),
378 ('EnAllSlices', 'enallslices='), 360 ('EnAllSlices', 'enallslices='),
379 ('SliceId', 'sliceid='), 361 ('SliceId', 'sliceid='),
380 ('ThreadMask', 'threadmask='), 362 ('ThreadMask', 'threadmask='),
381 ] 363 ]
382 for key, value in event_fields: 364 for key, value in event_fields:
383 if key in jd and not is_zero(jd[key]): !! 365 if key in jd and jd[key] != '0':
384 event += f',{value}{canonicalize_value !! 366 event += ',' + value + jd[key]
385 if filter: 367 if filter:
386 event += f',{filter}' 368 event += f',{filter}'
387 if msr: 369 if msr:
388 event += f',{msr}{msrval}' 370 event += f',{msr}{msrval}'
389 if self.desc and extra_desc: 371 if self.desc and extra_desc:
390 self.desc += extra_desc 372 self.desc += extra_desc
391 if self.long_desc and extra_desc: 373 if self.long_desc and extra_desc:
392 self.long_desc += extra_desc 374 self.long_desc += extra_desc
393 if arch_std: 375 if arch_std:
394 if arch_std.lower() in _arch_std_events: 376 if arch_std.lower() in _arch_std_events:
395 event = _arch_std_events[arch_std.lowe 377 event = _arch_std_events[arch_std.lower()].event
396 # Copy from the architecture standard 378 # Copy from the architecture standard event to self for undefined fields.
397 for attr, value in _arch_std_events[ar 379 for attr, value in _arch_std_events[arch_std.lower()].__dict__.items():
398 if hasattr(self, attr) and not getat 380 if hasattr(self, attr) and not getattr(self, attr):
399 setattr(self, attr, value) 381 setattr(self, attr, value)
400 else: 382 else:
401 raise argparse.ArgumentTypeError('Cann 383 raise argparse.ArgumentTypeError('Cannot find arch std event:', arch_std)
402 384
403 self.event = real_event(self.name, event) 385 self.event = real_event(self.name, event)
404 386
405 def __repr__(self) -> str: 387 def __repr__(self) -> str:
406 """String representation primarily for deb 388 """String representation primarily for debugging."""
407 s = '{\n' 389 s = '{\n'
408 for attr, value in self.__dict__.items(): 390 for attr, value in self.__dict__.items():
409 if value: 391 if value:
410 s += f'\t{attr} = {value},\n' 392 s += f'\t{attr} = {value},\n'
411 return s + '}' 393 return s + '}'
412 394
413 def build_c_string(self, metric: bool) -> st 395 def build_c_string(self, metric: bool) -> str:
414 s = '' 396 s = ''
415 for attr in _json_metric_attributes if met 397 for attr in _json_metric_attributes if metric else _json_event_attributes:
416 x = getattr(self, attr) 398 x = getattr(self, attr)
417 if metric and x and attr == 'metric_expr 399 if metric and x and attr == 'metric_expr':
418 # Convert parsed metric expressions in 400 # Convert parsed metric expressions into a string. Slashes
419 # must be doubled in the file. 401 # must be doubled in the file.
420 x = x.ToPerfJson().replace('\\', '\\\\ 402 x = x.ToPerfJson().replace('\\', '\\\\')
421 if metric and x and attr == 'metric_thre 403 if metric and x and attr == 'metric_threshold':
422 x = x.replace('\\', '\\\\') 404 x = x.replace('\\', '\\\\')
423 if attr in _json_enum_attributes: 405 if attr in _json_enum_attributes:
424 s += x if x else '0' 406 s += x if x else '0'
425 else: 407 else:
426 s += f'{x}\\000' if x else '\\000' 408 s += f'{x}\\000' if x else '\\000'
427 return s 409 return s
428 410
429 def to_c_string(self, metric: bool) -> str: 411 def to_c_string(self, metric: bool) -> str:
430 """Representation of the event as a C stru 412 """Representation of the event as a C struct initializer."""
431 413
432 s = self.build_c_string(metric) 414 s = self.build_c_string(metric)
433 return f'{{ { _bcs.offsets[s] } }}, /* {s} 415 return f'{{ { _bcs.offsets[s] } }}, /* {s} */\n'
434 416
435 417
436 @lru_cache(maxsize=None) 418 @lru_cache(maxsize=None)
437 def read_json_events(path: str, topic: str) -> 419 def read_json_events(path: str, topic: str) -> Sequence[JsonEvent]:
438 """Read json events from the specified file. 420 """Read json events from the specified file."""
439 try: 421 try:
440 events = json.load(open(path), object_hook 422 events = json.load(open(path), object_hook=JsonEvent)
441 except BaseException as err: 423 except BaseException as err:
442 print(f"Exception processing {path}") 424 print(f"Exception processing {path}")
443 raise 425 raise
444 metrics: list[Tuple[str, str, metric.Express 426 metrics: list[Tuple[str, str, metric.Expression]] = []
445 for event in events: 427 for event in events:
446 event.topic = topic 428 event.topic = topic
447 if event.metric_name and '-' not in event. 429 if event.metric_name and '-' not in event.metric_name:
448 metrics.append((event.pmu, event.metric_ 430 metrics.append((event.pmu, event.metric_name, event.metric_expr))
449 updates = metric.RewriteMetricsInTermsOfOthe 431 updates = metric.RewriteMetricsInTermsOfOthers(metrics)
450 if updates: 432 if updates:
451 for event in events: 433 for event in events:
452 if event.metric_name in updates: 434 if event.metric_name in updates:
453 # print(f'Updated {event.metric_name} 435 # print(f'Updated {event.metric_name} from\n"{event.metric_expr}"\n'
454 # f'to\n"{updates[event.metric_n 436 # f'to\n"{updates[event.metric_name]}"')
455 event.metric_expr = updates[event.metr 437 event.metric_expr = updates[event.metric_name]
456 438
457 return events 439 return events
458 440
459 def preprocess_arch_std_files(archpath: str) - 441 def preprocess_arch_std_files(archpath: str) -> None:
460 """Read in all architecture standard events. 442 """Read in all architecture standard events."""
461 global _arch_std_events 443 global _arch_std_events
462 for item in os.scandir(archpath): 444 for item in os.scandir(archpath):
463 if item.is_file() and item.name.endswith(' 445 if item.is_file() and item.name.endswith('.json'):
464 for event in read_json_events(item.path, 446 for event in read_json_events(item.path, topic=''):
465 if event.name: 447 if event.name:
466 _arch_std_events[event.name.lower()] 448 _arch_std_events[event.name.lower()] = event
467 if event.metric_name: 449 if event.metric_name:
468 _arch_std_events[event.metric_name.l 450 _arch_std_events[event.metric_name.lower()] = event
469 451
470 452
471 def add_events_table_entries(item: os.DirEntry 453 def add_events_table_entries(item: os.DirEntry, topic: str) -> None:
472 """Add contents of file to _pending_events t 454 """Add contents of file to _pending_events table."""
473 for e in read_json_events(item.path, topic): 455 for e in read_json_events(item.path, topic):
474 if e.name: 456 if e.name:
475 _pending_events.append(e) 457 _pending_events.append(e)
476 if e.metric_name: 458 if e.metric_name:
477 _pending_metrics.append(e) 459 _pending_metrics.append(e)
478 460
479 461
480 def print_pending_events() -> None: 462 def print_pending_events() -> None:
481 """Optionally close events table.""" 463 """Optionally close events table."""
482 464
483 def event_cmp_key(j: JsonEvent) -> Tuple[str 465 def event_cmp_key(j: JsonEvent) -> Tuple[str, str, bool, str, str]:
484 def fix_none(s: Optional[str]) -> str: 466 def fix_none(s: Optional[str]) -> str:
485 if s is None: 467 if s is None:
486 return '' 468 return ''
487 return s 469 return s
488 470
489 return (fix_none(j.pmu).replace(',','_'), 471 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)) 472 fix_none(j.metric_name))
491 473
492 global _pending_events 474 global _pending_events
493 if not _pending_events: 475 if not _pending_events:
494 return 476 return
495 477
496 global _pending_events_tblname 478 global _pending_events_tblname
497 if _pending_events_tblname.endswith('_sys'): 479 if _pending_events_tblname.endswith('_sys'):
498 global _sys_event_tables 480 global _sys_event_tables
499 _sys_event_tables.append(_pending_events_t 481 _sys_event_tables.append(_pending_events_tblname)
500 else: 482 else:
501 global event_tables 483 global event_tables
502 _event_tables.append(_pending_events_tblna 484 _event_tables.append(_pending_events_tblname)
503 485
504 first = True 486 first = True
505 last_pmu = None 487 last_pmu = None
506 last_name = None <<
507 pmus = set() 488 pmus = set()
508 for event in sorted(_pending_events, key=eve 489 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: 490 if event.pmu != last_pmu:
512 if not first: 491 if not first:
513 _args.output_file.write('};\n') 492 _args.output_file.write('};\n')
514 pmu_name = event.pmu.replace(',', '_') 493 pmu_name = event.pmu.replace(',', '_')
515 _args.output_file.write( 494 _args.output_file.write(
516 f'static const struct compact_pmu_ev 495 f'static const struct compact_pmu_event {_pending_events_tblname}_{pmu_name}[] = {{\n')
517 first = False 496 first = False
518 last_pmu = event.pmu 497 last_pmu = event.pmu
519 pmus.add((event.pmu, pmu_name)) 498 pmus.add((event.pmu, pmu_name))
520 499
521 _args.output_file.write(event.to_c_string( 500 _args.output_file.write(event.to_c_string(metric=False))
522 last_name = event.name <<
523 _pending_events = [] 501 _pending_events = []
524 502
525 _args.output_file.write(f""" 503 _args.output_file.write(f"""
526 }}; 504 }};
527 505
528 const struct pmu_table_entry {_pending_events_ 506 const struct pmu_table_entry {_pending_events_tblname}[] = {{
529 """) 507 """)
530 for (pmu, tbl_pmu) in sorted(pmus): 508 for (pmu, tbl_pmu) in sorted(pmus):
531 pmu_name = f"{pmu}\\000" 509 pmu_name = f"{pmu}\\000"
532 _args.output_file.write(f"""{{ 510 _args.output_file.write(f"""{{
533 .entries = {_pending_events_tblname}_{tbl 511 .entries = {_pending_events_tblname}_{tbl_pmu},
534 .num_entries = ARRAY_SIZE({_pending_event 512 .num_entries = ARRAY_SIZE({_pending_events_tblname}_{tbl_pmu}),
535 .pmu_name = {{ {_bcs.offsets[pmu_name]} / 513 .pmu_name = {{ {_bcs.offsets[pmu_name]} /* {pmu_name} */ }},
536 }}, 514 }},
537 """) 515 """)
538 _args.output_file.write('};\n\n') 516 _args.output_file.write('};\n\n')
539 517
540 def print_pending_metrics() -> None: 518 def print_pending_metrics() -> None:
541 """Optionally close metrics table.""" 519 """Optionally close metrics table."""
542 520
543 def metric_cmp_key(j: JsonEvent) -> Tuple[bo 521 def metric_cmp_key(j: JsonEvent) -> Tuple[bool, str, str]:
544 def fix_none(s: Optional[str]) -> str: 522 def fix_none(s: Optional[str]) -> str:
545 if s is None: 523 if s is None:
546 return '' 524 return ''
547 return s 525 return s
548 526
549 return (j.desc is not None, fix_none(j.pmu 527 return (j.desc is not None, fix_none(j.pmu), fix_none(j.metric_name))
550 528
551 global _pending_metrics 529 global _pending_metrics
552 if not _pending_metrics: 530 if not _pending_metrics:
553 return 531 return
554 532
555 global _pending_metrics_tblname 533 global _pending_metrics_tblname
556 if _pending_metrics_tblname.endswith('_sys') 534 if _pending_metrics_tblname.endswith('_sys'):
557 global _sys_metric_tables 535 global _sys_metric_tables
558 _sys_metric_tables.append(_pending_metrics 536 _sys_metric_tables.append(_pending_metrics_tblname)
559 else: 537 else:
560 global metric_tables 538 global metric_tables
561 _metric_tables.append(_pending_metrics_tbl 539 _metric_tables.append(_pending_metrics_tblname)
562 540
563 first = True 541 first = True
564 last_pmu = None 542 last_pmu = None
565 pmus = set() 543 pmus = set()
566 for metric in sorted(_pending_metrics, key=m 544 for metric in sorted(_pending_metrics, key=metric_cmp_key):
567 if metric.pmu != last_pmu: 545 if metric.pmu != last_pmu:
568 if not first: 546 if not first:
569 _args.output_file.write('};\n') 547 _args.output_file.write('};\n')
570 pmu_name = metric.pmu.replace(',', '_') 548 pmu_name = metric.pmu.replace(',', '_')
571 _args.output_file.write( 549 _args.output_file.write(
572 f'static const struct compact_pmu_ev 550 f'static const struct compact_pmu_event {_pending_metrics_tblname}_{pmu_name}[] = {{\n')
573 first = False 551 first = False
574 last_pmu = metric.pmu 552 last_pmu = metric.pmu
575 pmus.add((metric.pmu, pmu_name)) 553 pmus.add((metric.pmu, pmu_name))
576 554
577 _args.output_file.write(metric.to_c_string 555 _args.output_file.write(metric.to_c_string(metric=True))
578 _pending_metrics = [] 556 _pending_metrics = []
579 557
580 _args.output_file.write(f""" 558 _args.output_file.write(f"""
581 }}; 559 }};
582 560
583 const struct pmu_table_entry {_pending_metrics 561 const struct pmu_table_entry {_pending_metrics_tblname}[] = {{
584 """) 562 """)
585 for (pmu, tbl_pmu) in sorted(pmus): 563 for (pmu, tbl_pmu) in sorted(pmus):
586 pmu_name = f"{pmu}\\000" 564 pmu_name = f"{pmu}\\000"
587 _args.output_file.write(f"""{{ 565 _args.output_file.write(f"""{{
588 .entries = {_pending_metrics_tblname}_{tb 566 .entries = {_pending_metrics_tblname}_{tbl_pmu},
589 .num_entries = ARRAY_SIZE({_pending_metri 567 .num_entries = ARRAY_SIZE({_pending_metrics_tblname}_{tbl_pmu}),
590 .pmu_name = {{ {_bcs.offsets[pmu_name]} / 568 .pmu_name = {{ {_bcs.offsets[pmu_name]} /* {pmu_name} */ }},
591 }}, 569 }},
592 """) 570 """)
593 _args.output_file.write('};\n\n') 571 _args.output_file.write('};\n\n')
594 572
595 def get_topic(topic: str) -> str: 573 def get_topic(topic: str) -> str:
596 if topic.endswith('metrics.json'): 574 if topic.endswith('metrics.json'):
597 return 'metrics' 575 return 'metrics'
598 return removesuffix(topic, '.json').replace( 576 return removesuffix(topic, '.json').replace('-', ' ')
599 577
600 def preprocess_one_file(parents: Sequence[str] 578 def preprocess_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
601 579
602 if item.is_dir(): 580 if item.is_dir():
603 return 581 return
604 582
605 # base dir or too deep 583 # base dir or too deep
606 level = len(parents) 584 level = len(parents)
607 if level == 0 or level > 4: 585 if level == 0 or level > 4:
608 return 586 return
609 587
610 # Ignore other directories. If the file name 588 # Ignore other directories. If the file name does not have a .json
611 # extension, ignore it. It could be a readme 589 # extension, ignore it. It could be a readme.txt for instance.
612 if not item.is_file() or not item.name.endsw 590 if not item.is_file() or not item.name.endswith('.json'):
613 return 591 return
614 592
615 if item.name == 'metricgroups.json': 593 if item.name == 'metricgroups.json':
616 metricgroup_descriptions = json.load(open( 594 metricgroup_descriptions = json.load(open(item.path))
617 for mgroup in metricgroup_descriptions: 595 for mgroup in metricgroup_descriptions:
618 assert len(mgroup) > 1, parents 596 assert len(mgroup) > 1, parents
619 description = f"{metricgroup_description 597 description = f"{metricgroup_descriptions[mgroup]}\\000"
620 mgroup = f"{mgroup}\\000" 598 mgroup = f"{mgroup}\\000"
621 _bcs.add(mgroup, metric=True) 599 _bcs.add(mgroup, metric=True)
622 _bcs.add(description, metric=True) 600 _bcs.add(description, metric=True)
623 _metricgroups[mgroup] = description 601 _metricgroups[mgroup] = description
624 return 602 return
625 603
626 topic = get_topic(item.name) 604 topic = get_topic(item.name)
627 for event in read_json_events(item.path, top 605 for event in read_json_events(item.path, topic):
628 pmu_name = f"{event.pmu}\\000" 606 pmu_name = f"{event.pmu}\\000"
629 if event.name: 607 if event.name:
630 _bcs.add(pmu_name, metric=False) 608 _bcs.add(pmu_name, metric=False)
631 _bcs.add(event.build_c_string(metric=Fal 609 _bcs.add(event.build_c_string(metric=False), metric=False)
632 if event.metric_name: 610 if event.metric_name:
633 _bcs.add(pmu_name, metric=True) 611 _bcs.add(pmu_name, metric=True)
634 _bcs.add(event.build_c_string(metric=Tru 612 _bcs.add(event.build_c_string(metric=True), metric=True)
635 613
636 def process_one_file(parents: Sequence[str], i 614 def process_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
637 """Process a JSON file during the main walk. 615 """Process a JSON file during the main walk."""
638 def is_leaf_dir_ignoring_sys(path: str) -> b !! 616 def is_leaf_dir(path: str) -> bool:
639 for item in os.scandir(path): 617 for item in os.scandir(path):
640 if item.is_dir() and item.name != 'sys': !! 618 if item.is_dir():
641 return False 619 return False
642 return True 620 return True
643 621
644 # Model directories are leaves (ignoring pos !! 622 # model directory, reset topic
645 # directories). The FTW will walk into the d !! 623 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() 624 print_pending_events()
650 print_pending_metrics() 625 print_pending_metrics()
651 626
652 global _pending_events_tblname 627 global _pending_events_tblname
653 _pending_events_tblname = file_name_to_tab 628 _pending_events_tblname = file_name_to_table_name('pmu_events_', parents, item.name)
654 global _pending_metrics_tblname 629 global _pending_metrics_tblname
655 _pending_metrics_tblname = file_name_to_ta 630 _pending_metrics_tblname = file_name_to_table_name('pmu_metrics_', parents, item.name)
656 631
657 if item.name == 'sys': 632 if item.name == 'sys':
658 _sys_event_table_to_metric_table_mapping 633 _sys_event_table_to_metric_table_mapping[_pending_events_tblname] = _pending_metrics_tblname
659 return 634 return
660 635
661 # base dir or too deep 636 # base dir or too deep
662 level = len(parents) 637 level = len(parents)
663 if level == 0 or level > 4: 638 if level == 0 or level > 4:
664 return 639 return
665 640
666 # Ignore other directories. If the file name 641 # Ignore other directories. If the file name does not have a .json
667 # extension, ignore it. It could be a readme 642 # extension, ignore it. It could be a readme.txt for instance.
668 if not item.is_file() or not item.name.endsw 643 if not item.is_file() or not item.name.endswith('.json') or item.name == 'metricgroups.json':
669 return 644 return
670 645
671 add_events_table_entries(item, get_topic(ite 646 add_events_table_entries(item, get_topic(item.name))
672 647
673 648
674 def print_mapping_table(archs: Sequence[str]) 649 def print_mapping_table(archs: Sequence[str]) -> None:
675 """Read the mapfile and generate the struct 650 """Read the mapfile and generate the struct from cpuid string to event table."""
676 _args.output_file.write(""" 651 _args.output_file.write("""
677 /* Struct used to make the PMU event table imp 652 /* Struct used to make the PMU event table implementation opaque to callers. */
678 struct pmu_events_table { 653 struct pmu_events_table {
679 const struct pmu_table_entry *pmus; 654 const struct pmu_table_entry *pmus;
680 uint32_t num_pmus; 655 uint32_t num_pmus;
681 }; 656 };
682 657
683 /* Struct used to make the PMU metric table im 658 /* Struct used to make the PMU metric table implementation opaque to callers. */
684 struct pmu_metrics_table { 659 struct pmu_metrics_table {
685 const struct pmu_table_entry *pmus; 660 const struct pmu_table_entry *pmus;
686 uint32_t num_pmus; 661 uint32_t num_pmus;
687 }; 662 };
688 663
689 /* 664 /*
690 * Map a CPU to its table of PMU events. The C 665 * Map a CPU to its table of PMU events. The CPU is identified by the
691 * cpuid field, which is an arch-specific iden 666 * cpuid field, which is an arch-specific identifier for the CPU.
692 * The identifier specified in tools/perf/pmu- 667 * The identifier specified in tools/perf/pmu-events/arch/xxx/mapfile
693 * must match the get_cpuid_str() in tools/per 668 * must match the get_cpuid_str() in tools/perf/arch/xxx/util/header.c)
694 * 669 *
695 * The cpuid can contain any character other 670 * The cpuid can contain any character other than the comma.
696 */ 671 */
697 struct pmu_events_map { 672 struct pmu_events_map {
698 const char *arch; 673 const char *arch;
699 const char *cpuid; 674 const char *cpuid;
700 struct pmu_events_table event_table; 675 struct pmu_events_table event_table;
701 struct pmu_metrics_table metric_table; 676 struct pmu_metrics_table metric_table;
702 }; 677 };
703 678
704 /* 679 /*
705 * Global table mapping each known CPU for the 680 * Global table mapping each known CPU for the architecture to its
706 * table of PMU events. 681 * table of PMU events.
707 */ 682 */
708 const struct pmu_events_map pmu_events_map[] = 683 const struct pmu_events_map pmu_events_map[] = {
709 """) 684 """)
710 for arch in archs: 685 for arch in archs:
711 if arch == 'test': 686 if arch == 'test':
712 _args.output_file.write("""{ 687 _args.output_file.write("""{
713 \t.arch = "testarch", 688 \t.arch = "testarch",
714 \t.cpuid = "testcpu", 689 \t.cpuid = "testcpu",
715 \t.event_table = { 690 \t.event_table = {
716 \t\t.pmus = pmu_events__test_soc_cpu, 691 \t\t.pmus = pmu_events__test_soc_cpu,
717 \t\t.num_pmus = ARRAY_SIZE(pmu_events__test_so 692 \t\t.num_pmus = ARRAY_SIZE(pmu_events__test_soc_cpu),
718 \t}, 693 \t},
719 \t.metric_table = { 694 \t.metric_table = {
720 \t\t.pmus = pmu_metrics__test_soc_cpu, 695 \t\t.pmus = pmu_metrics__test_soc_cpu,
721 \t\t.num_pmus = ARRAY_SIZE(pmu_metrics__test_s 696 \t\t.num_pmus = ARRAY_SIZE(pmu_metrics__test_soc_cpu),
722 \t} 697 \t}
723 }, 698 },
724 """) 699 """)
725 else: 700 else:
726 with open(f'{_args.starting_dir}/{arch}/ 701 with open(f'{_args.starting_dir}/{arch}/mapfile.csv') as csvfile:
727 table = csv.reader(csvfile) 702 table = csv.reader(csvfile)
728 first = True 703 first = True
729 for row in table: 704 for row in table:
730 # Skip the first row or any row begi 705 # Skip the first row or any row beginning with #.
731 if not first and len(row) > 0 and no 706 if not first and len(row) > 0 and not row[0].startswith('#'):
732 event_tblname = file_name_to_table 707 event_tblname = file_name_to_table_name('pmu_events_', [], row[2].replace('/', '_'))
733 if event_tblname in _event_tables: 708 if event_tblname in _event_tables:
734 event_size = f'ARRAY_SIZE({event 709 event_size = f'ARRAY_SIZE({event_tblname})'
735 else: 710 else:
736 event_tblname = 'NULL' 711 event_tblname = 'NULL'
737 event_size = '0' 712 event_size = '0'
738 metric_tblname = file_name_to_tabl 713 metric_tblname = file_name_to_table_name('pmu_metrics_', [], row[2].replace('/', '_'))
739 if metric_tblname in _metric_table 714 if metric_tblname in _metric_tables:
740 metric_size = f'ARRAY_SIZE({metr 715 metric_size = f'ARRAY_SIZE({metric_tblname})'
741 else: 716 else:
742 metric_tblname = 'NULL' 717 metric_tblname = 'NULL'
743 metric_size = '0' 718 metric_size = '0'
744 if event_size == '0' and metric_si 719 if event_size == '0' and metric_size == '0':
745 continue 720 continue
746 cpuid = row[0].replace('\\', '\\\\ 721 cpuid = row[0].replace('\\', '\\\\')
747 _args.output_file.write(f"""{{ 722 _args.output_file.write(f"""{{
748 \t.arch = "{arch}", 723 \t.arch = "{arch}",
749 \t.cpuid = "{cpuid}", 724 \t.cpuid = "{cpuid}",
750 \t.event_table = {{ 725 \t.event_table = {{
751 \t\t.pmus = {event_tblname}, 726 \t\t.pmus = {event_tblname},
752 \t\t.num_pmus = {event_size} 727 \t\t.num_pmus = {event_size}
753 \t}}, 728 \t}},
754 \t.metric_table = {{ 729 \t.metric_table = {{
755 \t\t.pmus = {metric_tblname}, 730 \t\t.pmus = {metric_tblname},
756 \t\t.num_pmus = {metric_size} 731 \t\t.num_pmus = {metric_size}
757 \t}} 732 \t}}
758 }}, 733 }},
759 """) 734 """)
760 first = False 735 first = False
761 736
762 _args.output_file.write("""{ 737 _args.output_file.write("""{
763 \t.arch = 0, 738 \t.arch = 0,
764 \t.cpuid = 0, 739 \t.cpuid = 0,
765 \t.event_table = { 0, 0 }, 740 \t.event_table = { 0, 0 },
766 \t.metric_table = { 0, 0 }, 741 \t.metric_table = { 0, 0 },
767 } 742 }
768 }; 743 };
769 """) 744 """)
770 745
771 746
772 def print_system_mapping_table() -> None: 747 def print_system_mapping_table() -> None:
773 """C struct mapping table array for tables f 748 """C struct mapping table array for tables from /sys directories."""
774 _args.output_file.write(""" 749 _args.output_file.write("""
775 struct pmu_sys_events { 750 struct pmu_sys_events {
776 \tconst char *name; 751 \tconst char *name;
777 \tstruct pmu_events_table event_table; 752 \tstruct pmu_events_table event_table;
778 \tstruct pmu_metrics_table metric_table; 753 \tstruct pmu_metrics_table metric_table;
779 }; 754 };
780 755
781 static const struct pmu_sys_events pmu_sys_eve 756 static const struct pmu_sys_events pmu_sys_event_tables[] = {
782 """) 757 """)
783 printed_metric_tables = [] 758 printed_metric_tables = []
784 for tblname in _sys_event_tables: 759 for tblname in _sys_event_tables:
785 _args.output_file.write(f"""\t{{ 760 _args.output_file.write(f"""\t{{
786 \t\t.event_table = {{ 761 \t\t.event_table = {{
787 \t\t\t.pmus = {tblname}, 762 \t\t\t.pmus = {tblname},
788 \t\t\t.num_pmus = ARRAY_SIZE({tblname}) 763 \t\t\t.num_pmus = ARRAY_SIZE({tblname})
789 \t\t}},""") 764 \t\t}},""")
790 metric_tblname = _sys_event_table_to_metri 765 metric_tblname = _sys_event_table_to_metric_table_mapping[tblname]
791 if metric_tblname in _sys_metric_tables: 766 if metric_tblname in _sys_metric_tables:
792 _args.output_file.write(f""" 767 _args.output_file.write(f"""
793 \t\t.metric_table = {{ 768 \t\t.metric_table = {{
794 \t\t\t.pmus = {metric_tblname}, 769 \t\t\t.pmus = {metric_tblname},
795 \t\t\t.num_pmus = ARRAY_SIZE({metric_tblname}) 770 \t\t\t.num_pmus = ARRAY_SIZE({metric_tblname})
796 \t\t}},""") 771 \t\t}},""")
797 printed_metric_tables.append(metric_tbln 772 printed_metric_tables.append(metric_tblname)
798 _args.output_file.write(f""" 773 _args.output_file.write(f"""
799 \t\t.name = \"{tblname}\", 774 \t\t.name = \"{tblname}\",
800 \t}}, 775 \t}},
801 """) 776 """)
802 for tblname in _sys_metric_tables: 777 for tblname in _sys_metric_tables:
803 if tblname in printed_metric_tables: 778 if tblname in printed_metric_tables:
804 continue 779 continue
805 _args.output_file.write(f"""\t{{ 780 _args.output_file.write(f"""\t{{
806 \t\t.metric_table = {{ 781 \t\t.metric_table = {{
807 \t\t\t.pmus = {tblname}, 782 \t\t\t.pmus = {tblname},
808 \t\t\t.num_pmus = ARRAY_SIZE({tblname}) 783 \t\t\t.num_pmus = ARRAY_SIZE({tblname})
809 \t\t}}, 784 \t\t}},
810 \t\t.name = \"{tblname}\", 785 \t\t.name = \"{tblname}\",
811 \t}}, 786 \t}},
812 """) 787 """)
813 _args.output_file.write("""\t{ 788 _args.output_file.write("""\t{
814 \t\t.event_table = { 0, 0 }, 789 \t\t.event_table = { 0, 0 },
815 \t\t.metric_table = { 0, 0 }, 790 \t\t.metric_table = { 0, 0 },
816 \t}, 791 \t},
817 }; 792 };
818 793
819 static void decompress_event(int offset, struc 794 static void decompress_event(int offset, struct pmu_event *pe)
820 { 795 {
821 \tconst char *p = &big_c_string[offset]; 796 \tconst char *p = &big_c_string[offset];
822 """) 797 """)
823 for attr in _json_event_attributes: 798 for attr in _json_event_attributes:
824 _args.output_file.write(f'\n\tpe->{attr} = 799 _args.output_file.write(f'\n\tpe->{attr} = ')
825 if attr in _json_enum_attributes: 800 if attr in _json_enum_attributes:
826 _args.output_file.write("*p - '0';\n") 801 _args.output_file.write("*p - '0';\n")
827 else: 802 else:
828 _args.output_file.write("(*p == '\\0' ? 803 _args.output_file.write("(*p == '\\0' ? NULL : p);\n")
829 if attr == _json_event_attributes[-1]: 804 if attr == _json_event_attributes[-1]:
830 continue 805 continue
831 if attr in _json_enum_attributes: 806 if attr in _json_enum_attributes:
832 _args.output_file.write('\tp++;') 807 _args.output_file.write('\tp++;')
833 else: 808 else:
834 _args.output_file.write('\twhile (*p++); 809 _args.output_file.write('\twhile (*p++);')
835 _args.output_file.write("""} 810 _args.output_file.write("""}
836 811
837 static void decompress_metric(int offset, stru 812 static void decompress_metric(int offset, struct pmu_metric *pm)
838 { 813 {
839 \tconst char *p = &big_c_string[offset]; 814 \tconst char *p = &big_c_string[offset];
840 """) 815 """)
841 for attr in _json_metric_attributes: 816 for attr in _json_metric_attributes:
842 _args.output_file.write(f'\n\tpm->{attr} = 817 _args.output_file.write(f'\n\tpm->{attr} = ')
843 if attr in _json_enum_attributes: 818 if attr in _json_enum_attributes:
844 _args.output_file.write("*p - '0';\n") 819 _args.output_file.write("*p - '0';\n")
845 else: 820 else:
846 _args.output_file.write("(*p == '\\0' ? 821 _args.output_file.write("(*p == '\\0' ? NULL : p);\n")
847 if attr == _json_metric_attributes[-1]: 822 if attr == _json_metric_attributes[-1]:
848 continue 823 continue
849 if attr in _json_enum_attributes: 824 if attr in _json_enum_attributes:
850 _args.output_file.write('\tp++;') 825 _args.output_file.write('\tp++;')
851 else: 826 else:
852 _args.output_file.write('\twhile (*p++); 827 _args.output_file.write('\twhile (*p++);')
853 _args.output_file.write("""} 828 _args.output_file.write("""}
854 829
855 static int pmu_events_table__for_each_event_pm 830 static int pmu_events_table__for_each_event_pmu(const struct pmu_events_table *table,
856 831 const struct pmu_table_entry *pmu,
857 832 pmu_event_iter_fn fn,
858 833 void *data)
859 { 834 {
860 int ret; 835 int ret;
861 struct pmu_event pe = { 836 struct pmu_event pe = {
862 .pmu = &big_c_string[pmu->pmu_ 837 .pmu = &big_c_string[pmu->pmu_name.offset],
863 }; 838 };
864 839
865 for (uint32_t i = 0; i < pmu->num_entr 840 for (uint32_t i = 0; i < pmu->num_entries; i++) {
866 decompress_event(pmu->entries[ 841 decompress_event(pmu->entries[i].offset, &pe);
867 if (!pe.name) 842 if (!pe.name)
868 continue; 843 continue;
869 ret = fn(&pe, table, data); 844 ret = fn(&pe, table, data);
870 if (ret) 845 if (ret)
871 return ret; 846 return ret;
872 } 847 }
873 return 0; 848 return 0;
874 } 849 }
875 850
876 static int pmu_events_table__find_event_pmu(co 851 static int pmu_events_table__find_event_pmu(const struct pmu_events_table *table,
877 co 852 const struct pmu_table_entry *pmu,
878 co 853 const char *name,
879 pm 854 pmu_event_iter_fn fn,
880 vo 855 void *data)
881 { 856 {
882 struct pmu_event pe = { 857 struct pmu_event pe = {
883 .pmu = &big_c_string[pmu->pmu_ 858 .pmu = &big_c_string[pmu->pmu_name.offset],
884 }; 859 };
885 int low = 0, high = pmu->num_entries - 860 int low = 0, high = pmu->num_entries - 1;
886 861
887 while (low <= high) { 862 while (low <= high) {
888 int cmp, mid = (low + high) / 863 int cmp, mid = (low + high) / 2;
889 864
890 decompress_event(pmu->entries[ 865 decompress_event(pmu->entries[mid].offset, &pe);
891 866
892 if (!pe.name && !name) 867 if (!pe.name && !name)
893 goto do_call; 868 goto do_call;
894 869
895 if (!pe.name && name) { 870 if (!pe.name && name) {
896 low = mid + 1; 871 low = mid + 1;
897 continue; 872 continue;
898 } 873 }
899 if (pe.name && !name) { 874 if (pe.name && !name) {
900 high = mid - 1; 875 high = mid - 1;
901 continue; 876 continue;
902 } 877 }
903 878
904 cmp = strcasecmp(pe.name, name 879 cmp = strcasecmp(pe.name, name);
905 if (cmp < 0) { 880 if (cmp < 0) {
906 low = mid + 1; 881 low = mid + 1;
907 continue; 882 continue;
908 } 883 }
909 if (cmp > 0) { 884 if (cmp > 0) {
910 high = mid - 1; 885 high = mid - 1;
911 continue; 886 continue;
912 } 887 }
913 do_call: 888 do_call:
914 return fn ? fn(&pe, table, dat 889 return fn ? fn(&pe, table, data) : 0;
915 } 890 }
916 return PMU_EVENTS__NOT_FOUND; !! 891 return -1000;
917 } 892 }
918 893
919 int pmu_events_table__for_each_event(const str 894 int pmu_events_table__for_each_event(const struct pmu_events_table *table,
920 struct per 895 struct perf_pmu *pmu,
921 pmu_event_ 896 pmu_event_iter_fn fn,
922 void *data 897 void *data)
923 { 898 {
924 for (size_t i = 0; i < table->num_pmus 899 for (size_t i = 0; i < table->num_pmus; i++) {
925 const struct pmu_table_entry * 900 const struct pmu_table_entry *table_pmu = &table->pmus[i];
926 const char *pmu_name = &big_c_ 901 const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
927 int ret; 902 int ret;
928 903
929 if (pmu && !pmu__name_match(pm 904 if (pmu && !pmu__name_match(pmu, pmu_name))
930 continue; 905 continue;
931 906
932 ret = pmu_events_table__for_ea 907 ret = pmu_events_table__for_each_event_pmu(table, table_pmu, fn, data);
933 if (pmu || ret) 908 if (pmu || ret)
934 return ret; 909 return ret;
935 } 910 }
936 return 0; 911 return 0;
937 } 912 }
938 913
939 int pmu_events_table__find_event(const struct 914 int pmu_events_table__find_event(const struct pmu_events_table *table,
940 struct perf_p 915 struct perf_pmu *pmu,
941 const char *n 916 const char *name,
942 pmu_event_ite 917 pmu_event_iter_fn fn,
943 void *data) 918 void *data)
944 { 919 {
945 for (size_t i = 0; i < table->num_pmus 920 for (size_t i = 0; i < table->num_pmus; i++) {
946 const struct pmu_table_entry * 921 const struct pmu_table_entry *table_pmu = &table->pmus[i];
947 const char *pmu_name = &big_c_ 922 const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
948 int ret; 923 int ret;
949 924
950 if (!pmu__name_match(pmu, pmu_ 925 if (!pmu__name_match(pmu, pmu_name))
951 continue; 926 continue;
952 927
953 ret = pmu_events_table__find_e 928 ret = pmu_events_table__find_event_pmu(table, table_pmu, name, fn, data);
954 if (ret != PMU_EVENTS__NOT_FOU !! 929 if (ret != -1000)
955 return ret; 930 return ret;
956 } 931 }
957 return PMU_EVENTS__NOT_FOUND; !! 932 return -1000;
958 } 933 }
959 934
960 size_t pmu_events_table__num_events(const stru 935 size_t pmu_events_table__num_events(const struct pmu_events_table *table,
961 struct per 936 struct perf_pmu *pmu)
962 { 937 {
963 size_t count = 0; 938 size_t count = 0;
964 939
965 for (size_t i = 0; i < table->num_pmus 940 for (size_t i = 0; i < table->num_pmus; i++) {
966 const struct pmu_table_entry * 941 const struct pmu_table_entry *table_pmu = &table->pmus[i];
967 const char *pmu_name = &big_c_ 942 const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
968 943
969 if (pmu__name_match(pmu, pmu_n 944 if (pmu__name_match(pmu, pmu_name))
970 count += table_pmu->nu 945 count += table_pmu->num_entries;
971 } 946 }
972 return count; 947 return count;
973 } 948 }
974 949
975 static int pmu_metrics_table__for_each_metric_ 950 static int pmu_metrics_table__for_each_metric_pmu(const struct pmu_metrics_table *table,
976 951 const struct pmu_table_entry *pmu,
977 952 pmu_metric_iter_fn fn,
978 953 void *data)
979 { 954 {
980 int ret; 955 int ret;
981 struct pmu_metric pm = { 956 struct pmu_metric pm = {
982 .pmu = &big_c_string[pmu->pmu_ 957 .pmu = &big_c_string[pmu->pmu_name.offset],
983 }; 958 };
984 959
985 for (uint32_t i = 0; i < pmu->num_entr 960 for (uint32_t i = 0; i < pmu->num_entries; i++) {
986 decompress_metric(pmu->entries 961 decompress_metric(pmu->entries[i].offset, &pm);
987 if (!pm.metric_expr) 962 if (!pm.metric_expr)
988 continue; 963 continue;
989 ret = fn(&pm, table, data); 964 ret = fn(&pm, table, data);
990 if (ret) 965 if (ret)
991 return ret; 966 return ret;
992 } 967 }
993 return 0; 968 return 0;
994 } 969 }
995 970
996 int pmu_metrics_table__for_each_metric(const s 971 int pmu_metrics_table__for_each_metric(const struct pmu_metrics_table *table,
997 pmu_metri 972 pmu_metric_iter_fn fn,
998 void *dat 973 void *data)
999 { 974 {
1000 for (size_t i = 0; i < table->num_pmu 975 for (size_t i = 0; i < table->num_pmus; i++) {
1001 int ret = pmu_metrics_table__ 976 int ret = pmu_metrics_table__for_each_metric_pmu(table, &table->pmus[i],
1002 977 fn, data);
1003 978
1004 if (ret) 979 if (ret)
1005 return ret; 980 return ret;
1006 } 981 }
1007 return 0; 982 return 0;
1008 } 983 }
1009 984
1010 static const struct pmu_events_map *map_for_p 985 static const struct pmu_events_map *map_for_pmu(struct perf_pmu *pmu)
1011 { 986 {
1012 static struct { 987 static struct {
1013 const struct pmu_events_map * 988 const struct pmu_events_map *map;
1014 struct perf_pmu *pmu; 989 struct perf_pmu *pmu;
1015 } last_result; 990 } last_result;
1016 static struct { 991 static struct {
1017 const struct pmu_events_map * 992 const struct pmu_events_map *map;
1018 char *cpuid; 993 char *cpuid;
1019 } last_map_search; 994 } last_map_search;
1020 static bool has_last_result, has_last 995 static bool has_last_result, has_last_map_search;
1021 const struct pmu_events_map *map = NU 996 const struct pmu_events_map *map = NULL;
1022 char *cpuid = NULL; 997 char *cpuid = NULL;
1023 size_t i; 998 size_t i;
1024 999
1025 if (has_last_result && last_result.pm 1000 if (has_last_result && last_result.pmu == pmu)
1026 return last_result.map; 1001 return last_result.map;
1027 1002
1028 cpuid = perf_pmu__getcpuid(pmu); 1003 cpuid = perf_pmu__getcpuid(pmu);
1029 1004
1030 /* 1005 /*
1031 * On some platforms which uses cpus 1006 * On some platforms which uses cpus map, cpuid can be NULL for
1032 * PMUs other than CORE PMUs. 1007 * PMUs other than CORE PMUs.
1033 */ 1008 */
1034 if (!cpuid) 1009 if (!cpuid)
1035 goto out_update_last_result; 1010 goto out_update_last_result;
1036 1011
1037 if (has_last_map_search && !strcmp(la 1012 if (has_last_map_search && !strcmp(last_map_search.cpuid, cpuid)) {
1038 map = last_map_search.map; 1013 map = last_map_search.map;
1039 free(cpuid); 1014 free(cpuid);
1040 } else { 1015 } else {
1041 i = 0; 1016 i = 0;
1042 for (;;) { 1017 for (;;) {
1043 map = &pmu_events_map 1018 map = &pmu_events_map[i++];
1044 1019
1045 if (!map->arch) { 1020 if (!map->arch) {
1046 map = NULL; 1021 map = NULL;
1047 break; 1022 break;
1048 } 1023 }
1049 1024
1050 if (!strcmp_cpuid_str 1025 if (!strcmp_cpuid_str(map->cpuid, cpuid))
1051 break; 1026 break;
1052 } 1027 }
1053 free(last_map_search.cpuid); 1028 free(last_map_search.cpuid);
1054 last_map_search.cpuid = cpuid; 1029 last_map_search.cpuid = cpuid;
1055 last_map_search.map = map; 1030 last_map_search.map = map;
1056 has_last_map_search = true; 1031 has_last_map_search = true;
1057 } 1032 }
1058 out_update_last_result: 1033 out_update_last_result:
1059 last_result.pmu = pmu; 1034 last_result.pmu = pmu;
1060 last_result.map = map; 1035 last_result.map = map;
1061 has_last_result = true; 1036 has_last_result = true;
1062 return map; 1037 return map;
1063 } 1038 }
1064 1039
1065 const struct pmu_events_table *perf_pmu__find 1040 const struct pmu_events_table *perf_pmu__find_events_table(struct perf_pmu *pmu)
1066 { 1041 {
1067 const struct pmu_events_map *map = ma 1042 const struct pmu_events_map *map = map_for_pmu(pmu);
1068 1043
1069 if (!map) 1044 if (!map)
1070 return NULL; 1045 return NULL;
1071 1046
1072 if (!pmu) 1047 if (!pmu)
1073 return &map->event_table; 1048 return &map->event_table;
1074 1049
1075 for (size_t i = 0; i < map->event_tab 1050 for (size_t i = 0; i < map->event_table.num_pmus; i++) {
1076 const struct pmu_table_entry 1051 const struct pmu_table_entry *table_pmu = &map->event_table.pmus[i];
1077 const char *pmu_name = &big_c 1052 const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
1078 1053
1079 if (pmu__name_match(pmu, pmu_ 1054 if (pmu__name_match(pmu, pmu_name))
1080 return &map->event_t 1055 return &map->event_table;
1081 } 1056 }
1082 return NULL; 1057 return NULL;
1083 } 1058 }
1084 1059
1085 const struct pmu_metrics_table *perf_pmu__fin 1060 const struct pmu_metrics_table *perf_pmu__find_metrics_table(struct perf_pmu *pmu)
1086 { 1061 {
1087 const struct pmu_events_map *map = ma 1062 const struct pmu_events_map *map = map_for_pmu(pmu);
1088 1063
1089 if (!map) 1064 if (!map)
1090 return NULL; 1065 return NULL;
1091 1066
1092 if (!pmu) 1067 if (!pmu)
1093 return &map->metric_table; 1068 return &map->metric_table;
1094 1069
1095 for (size_t i = 0; i < map->metric_ta 1070 for (size_t i = 0; i < map->metric_table.num_pmus; i++) {
1096 const struct pmu_table_entry 1071 const struct pmu_table_entry *table_pmu = &map->metric_table.pmus[i];
1097 const char *pmu_name = &big_c 1072 const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset];
1098 1073
1099 if (pmu__name_match(pmu, pmu_ 1074 if (pmu__name_match(pmu, pmu_name))
1100 return &map->metri 1075 return &map->metric_table;
1101 } 1076 }
1102 return NULL; 1077 return NULL;
1103 } 1078 }
1104 1079
1105 const struct pmu_events_table *find_core_even 1080 const struct pmu_events_table *find_core_events_table(const char *arch, const char *cpuid)
1106 { 1081 {
1107 for (const struct pmu_events_map *tab 1082 for (const struct pmu_events_map *tables = &pmu_events_map[0];
1108 tables->arch; 1083 tables->arch;
1109 tables++) { 1084 tables++) {
1110 if (!strcmp(tables->arch, arc 1085 if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid))
1111 return &tables->event 1086 return &tables->event_table;
1112 } 1087 }
1113 return NULL; 1088 return NULL;
1114 } 1089 }
1115 1090
1116 const struct pmu_metrics_table *find_core_met 1091 const struct pmu_metrics_table *find_core_metrics_table(const char *arch, const char *cpuid)
1117 { 1092 {
1118 for (const struct pmu_events_map *tab 1093 for (const struct pmu_events_map *tables = &pmu_events_map[0];
1119 tables->arch; 1094 tables->arch;
1120 tables++) { 1095 tables++) {
1121 if (!strcmp(tables->arch, arc 1096 if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid))
1122 return &tables->metri 1097 return &tables->metric_table;
1123 } 1098 }
1124 return NULL; 1099 return NULL;
1125 } 1100 }
1126 1101
1127 int pmu_for_each_core_event(pmu_event_iter_fn 1102 int pmu_for_each_core_event(pmu_event_iter_fn fn, void *data)
1128 { 1103 {
1129 for (const struct pmu_events_map *tab 1104 for (const struct pmu_events_map *tables = &pmu_events_map[0];
1130 tables->arch; 1105 tables->arch;
1131 tables++) { 1106 tables++) {
1132 int ret = pmu_events_table__f 1107 int ret = pmu_events_table__for_each_event(&tables->event_table,
1133 1108 /*pmu=*/ NULL, fn, data);
1134 1109
1135 if (ret) 1110 if (ret)
1136 return ret; 1111 return ret;
1137 } 1112 }
1138 return 0; 1113 return 0;
1139 } 1114 }
1140 1115
1141 int pmu_for_each_core_metric(pmu_metric_iter_ 1116 int pmu_for_each_core_metric(pmu_metric_iter_fn fn, void *data)
1142 { 1117 {
1143 for (const struct pmu_events_map *tab 1118 for (const struct pmu_events_map *tables = &pmu_events_map[0];
1144 tables->arch; 1119 tables->arch;
1145 tables++) { 1120 tables++) {
1146 int ret = pmu_metrics_table__ 1121 int ret = pmu_metrics_table__for_each_metric(&tables->metric_table, fn, data);
1147 1122
1148 if (ret) 1123 if (ret)
1149 return ret; 1124 return ret;
1150 } 1125 }
1151 return 0; 1126 return 0;
1152 } 1127 }
1153 1128
1154 const struct pmu_events_table *find_sys_event 1129 const struct pmu_events_table *find_sys_events_table(const char *name)
1155 { 1130 {
1156 for (const struct pmu_sys_events *tab 1131 for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
1157 tables->name; 1132 tables->name;
1158 tables++) { 1133 tables++) {
1159 if (!strcmp(tables->name, nam 1134 if (!strcmp(tables->name, name))
1160 return &tables->event 1135 return &tables->event_table;
1161 } 1136 }
1162 return NULL; 1137 return NULL;
1163 } 1138 }
1164 1139
1165 int pmu_for_each_sys_event(pmu_event_iter_fn 1140 int pmu_for_each_sys_event(pmu_event_iter_fn fn, void *data)
1166 { 1141 {
1167 for (const struct pmu_sys_events *tab 1142 for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
1168 tables->name; 1143 tables->name;
1169 tables++) { 1144 tables++) {
1170 int ret = pmu_events_table__f 1145 int ret = pmu_events_table__for_each_event(&tables->event_table,
1171 1146 /*pmu=*/ NULL, fn, data);
1172 1147
1173 if (ret) 1148 if (ret)
1174 return ret; 1149 return ret;
1175 } 1150 }
1176 return 0; 1151 return 0;
1177 } 1152 }
1178 1153
1179 int pmu_for_each_sys_metric(pmu_metric_iter_f 1154 int pmu_for_each_sys_metric(pmu_metric_iter_fn fn, void *data)
1180 { 1155 {
1181 for (const struct pmu_sys_events *tab 1156 for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
1182 tables->name; 1157 tables->name;
1183 tables++) { 1158 tables++) {
1184 int ret = pmu_metrics_table__ 1159 int ret = pmu_metrics_table__for_each_metric(&tables->metric_table, fn, data);
1185 1160
1186 if (ret) 1161 if (ret)
1187 return ret; 1162 return ret;
1188 } 1163 }
1189 return 0; 1164 return 0;
1190 } 1165 }
1191 """) 1166 """)
1192 1167
1193 def print_metricgroups() -> None: 1168 def print_metricgroups() -> None:
1194 _args.output_file.write(""" 1169 _args.output_file.write("""
1195 static const int metricgroups[][2] = { 1170 static const int metricgroups[][2] = {
1196 """) 1171 """)
1197 for mgroup in sorted(_metricgroups): 1172 for mgroup in sorted(_metricgroups):
1198 description = _metricgroups[mgroup] 1173 description = _metricgroups[mgroup]
1199 _args.output_file.write( 1174 _args.output_file.write(
1200 f'\t{{ {_bcs.offsets[mgroup]}, {_bcs. 1175 f'\t{{ {_bcs.offsets[mgroup]}, {_bcs.offsets[description]} }}, /* {mgroup} => {description} */\n'
1201 ) 1176 )
1202 _args.output_file.write(""" 1177 _args.output_file.write("""
1203 }; 1178 };
1204 1179
1205 const char *describe_metricgroup(const char * 1180 const char *describe_metricgroup(const char *group)
1206 { 1181 {
1207 int low = 0, high = (int)ARRAY_SIZE(m 1182 int low = 0, high = (int)ARRAY_SIZE(metricgroups) - 1;
1208 1183
1209 while (low <= high) { 1184 while (low <= high) {
1210 int mid = (low + high) / 2; 1185 int mid = (low + high) / 2;
1211 const char *mgroup = &big_c_s 1186 const char *mgroup = &big_c_string[metricgroups[mid][0]];
1212 int cmp = strcmp(mgroup, grou 1187 int cmp = strcmp(mgroup, group);
1213 1188
1214 if (cmp == 0) { 1189 if (cmp == 0) {
1215 return &big_c_string[ 1190 return &big_c_string[metricgroups[mid][1]];
1216 } else if (cmp < 0) { 1191 } else if (cmp < 0) {
1217 low = mid + 1; 1192 low = mid + 1;
1218 } else { 1193 } else {
1219 high = mid - 1; 1194 high = mid - 1;
1220 } 1195 }
1221 } 1196 }
1222 return NULL; 1197 return NULL;
1223 } 1198 }
1224 """) 1199 """)
1225 1200
1226 def main() -> None: 1201 def main() -> None:
1227 global _args 1202 global _args
1228 1203
1229 def dir_path(path: str) -> str: 1204 def dir_path(path: str) -> str:
1230 """Validate path is a directory for argpa 1205 """Validate path is a directory for argparse."""
1231 if os.path.isdir(path): 1206 if os.path.isdir(path):
1232 return path 1207 return path
1233 raise argparse.ArgumentTypeError(f'\'{pat 1208 raise argparse.ArgumentTypeError(f'\'{path}\' is not a valid directory')
1234 1209
1235 def ftw(path: str, parents: Sequence[str], 1210 def ftw(path: str, parents: Sequence[str],
1236 action: Callable[[Sequence[str], os 1211 action: Callable[[Sequence[str], os.DirEntry], None]) -> None:
1237 """Replicate the directory/file walking b 1212 """Replicate the directory/file walking behavior of C's file tree walk."""
1238 for item in sorted(os.scandir(path), key= 1213 for item in sorted(os.scandir(path), key=lambda e: e.name):
1239 if _args.model != 'all' and item.is_dir 1214 if _args.model != 'all' and item.is_dir():
1240 # Check if the model matches one in _ 1215 # Check if the model matches one in _args.model.
1241 if len(parents) == _args.model.split( 1216 if len(parents) == _args.model.split(',')[0].count('/'):
1242 # We're testing the correct directo 1217 # We're testing the correct directory.
1243 item_path = '/'.join(parents) + ('/ 1218 item_path = '/'.join(parents) + ('/' if len(parents) > 0 else '') + item.name
1244 if 'test' not in item_path and item 1219 if 'test' not in item_path and item_path not in _args.model.split(','):
1245 continue 1220 continue
1246 action(parents, item) 1221 action(parents, item)
1247 if item.is_dir(): 1222 if item.is_dir():
1248 ftw(item.path, parents + [item.name], 1223 ftw(item.path, parents + [item.name], action)
1249 1224
1250 ap = argparse.ArgumentParser() 1225 ap = argparse.ArgumentParser()
1251 ap.add_argument('arch', help='Architecture 1226 ap.add_argument('arch', help='Architecture name like x86')
1252 ap.add_argument('model', help='''Select a m 1227 ap.add_argument('model', help='''Select a model such as skylake to
1253 reduce the code size. Normally set to "all". 1228 reduce the code size. Normally set to "all". For architectures like
1254 ARM64 with an implementor/model, the model mu 1229 ARM64 with an implementor/model, the model must include the implementor
1255 such as "arm/cortex-a34".''', 1230 such as "arm/cortex-a34".''',
1256 default='all') 1231 default='all')
1257 ap.add_argument( 1232 ap.add_argument(
1258 'starting_dir', 1233 'starting_dir',
1259 type=dir_path, 1234 type=dir_path,
1260 help='Root of tree containing architect 1235 help='Root of tree containing architecture directories containing json files'
1261 ) 1236 )
1262 ap.add_argument( 1237 ap.add_argument(
1263 'output_file', type=argparse.FileType(' 1238 'output_file', type=argparse.FileType('w', encoding='utf-8'), nargs='?', default=sys.stdout)
1264 _args = ap.parse_args() 1239 _args = ap.parse_args()
1265 1240
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(""" 1241 _args.output_file.write("""
1271 #include <pmu-events/pmu-events.h> 1242 #include <pmu-events/pmu-events.h>
1272 #include "util/header.h" 1243 #include "util/header.h"
1273 #include "util/pmu.h" 1244 #include "util/pmu.h"
1274 #include <string.h> 1245 #include <string.h>
1275 #include <stddef.h> 1246 #include <stddef.h>
1276 1247
1277 struct compact_pmu_event { 1248 struct compact_pmu_event {
1278 int offset; 1249 int offset;
1279 }; 1250 };
1280 1251
1281 struct pmu_table_entry { 1252 struct pmu_table_entry {
1282 const struct compact_pmu_event *entri 1253 const struct compact_pmu_event *entries;
1283 uint32_t num_entries; 1254 uint32_t num_entries;
1284 struct compact_pmu_event pmu_name; 1255 struct compact_pmu_event pmu_name;
1285 }; 1256 };
1286 1257
1287 """) 1258 """)
1288 archs = [] 1259 archs = []
1289 for item in os.scandir(_args.starting_dir): 1260 for item in os.scandir(_args.starting_dir):
1290 if not item.is_dir(): 1261 if not item.is_dir():
1291 continue 1262 continue
1292 if item.name == _args.arch or _args.arch 1263 if item.name == _args.arch or _args.arch == 'all' or item.name == 'test':
1293 archs.append(item.name) 1264 archs.append(item.name)
1294 1265
1295 if len(archs) < 2 and _args.arch != 'none': !! 1266 if len(archs) < 2:
1296 raise IOError(f'Missing architecture dire 1267 raise IOError(f'Missing architecture directory \'{_args.arch}\'')
1297 1268
1298 archs.sort() 1269 archs.sort()
1299 for arch in archs: 1270 for arch in archs:
1300 arch_path = f'{_args.starting_dir}/{arch} 1271 arch_path = f'{_args.starting_dir}/{arch}'
1301 preprocess_arch_std_files(arch_path) 1272 preprocess_arch_std_files(arch_path)
1302 ftw(arch_path, [], preprocess_one_file) 1273 ftw(arch_path, [], preprocess_one_file)
1303 1274
1304 _bcs.compute() 1275 _bcs.compute()
1305 _args.output_file.write('static const char 1276 _args.output_file.write('static const char *const big_c_string =\n')
1306 for s in _bcs.big_string: 1277 for s in _bcs.big_string:
1307 _args.output_file.write(s) 1278 _args.output_file.write(s)
1308 _args.output_file.write(';\n\n') 1279 _args.output_file.write(';\n\n')
1309 for arch in archs: 1280 for arch in archs:
1310 arch_path = f'{_args.starting_dir}/{arch} 1281 arch_path = f'{_args.starting_dir}/{arch}'
1311 ftw(arch_path, [], process_one_file) 1282 ftw(arch_path, [], process_one_file)
1312 print_pending_events() 1283 print_pending_events()
1313 print_pending_metrics() 1284 print_pending_metrics()
1314 1285
1315 print_mapping_table(archs) 1286 print_mapping_table(archs)
1316 print_system_mapping_table() 1287 print_system_mapping_table()
1317 print_metricgroups() 1288 print_metricgroups()
1318 1289
1319 if __name__ == '__main__': 1290 if __name__ == '__main__':
1320 main() 1291 main()
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