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