1 1
2 %option reentrant 2 %option reentrant
3 %option bison-bridge 3 %option bison-bridge
4 %option prefix="parse_events_" 4 %option prefix="parse_events_"
5 %option stack 5 %option stack
6 %option bison-locations 6 %option bison-locations
7 %option yylineno 7 %option yylineno
8 %option reject 8 %option reject
9 9
10 %{ 10 %{
11 #include <errno.h> 11 #include <errno.h>
12 #include <sys/types.h> 12 #include <sys/types.h>
13 #include <sys/stat.h> 13 #include <sys/stat.h>
14 #include <unistd.h> 14 #include <unistd.h>
15 #include "parse-events.h" 15 #include "parse-events.h"
16 #include "parse-events-bison.h" 16 #include "parse-events-bison.h"
17 #include "evsel.h" 17 #include "evsel.h"
18 18
19 char *parse_events_get_text(yyscan_t yyscanner 19 char *parse_events_get_text(yyscan_t yyscanner);
20 YYSTYPE *parse_events_get_lval(yyscan_t yyscan 20 YYSTYPE *parse_events_get_lval(yyscan_t yyscanner);
21 int parse_events_get_column(yyscan_t yyscanner <<
22 int parse_events_get_leng(yyscan_t yyscanner); <<
23 21
24 static int get_column(yyscan_t scanner) !! 22 static int __value(YYSTYPE *yylval, char *str, int base, int token)
25 { 23 {
26 return parse_events_get_column(scanner <<
27 } <<
28 <<
29 static int value(struct parse_events_state *pa <<
30 { <<
31 YYSTYPE *yylval = parse_events_get_lva <<
32 char *text = parse_events_get_text(sca <<
33 u64 num; 24 u64 num;
34 25
35 errno = 0; 26 errno = 0;
36 num = strtoull(text, NULL, base); !! 27 num = strtoull(str, NULL, base);
37 if (errno) { !! 28 if (errno)
38 struct parse_events_error *err <<
39 char *help = NULL; <<
40 <<
41 if (asprintf(&help, "Bad base <<
42 parse_events_error__ha <<
43 <<
44 return PE_ERROR; 29 return PE_ERROR;
45 } <<
46 30
47 yylval->num = num; 31 yylval->num = num;
48 return PE_VALUE; !! 32 return token;
>> 33 }
>> 34
>> 35 static int value(yyscan_t scanner, int base)
>> 36 {
>> 37 YYSTYPE *yylval = parse_events_get_lval(scanner);
>> 38 char *text = parse_events_get_text(scanner);
>> 39
>> 40 return __value(yylval, text, base, PE_VALUE);
49 } 41 }
50 42
51 static int str(yyscan_t scanner, int token) 43 static int str(yyscan_t scanner, int token)
52 { 44 {
53 YYSTYPE *yylval = parse_events_get_lva 45 YYSTYPE *yylval = parse_events_get_lval(scanner);
54 char *text = parse_events_get_text(sca 46 char *text = parse_events_get_text(scanner);
55 47
56 if (text[0] != '\'') { 48 if (text[0] != '\'') {
57 yylval->str = strdup(text); 49 yylval->str = strdup(text);
58 } else { 50 } else {
59 /* 51 /*
60 * If a text tag specified on 52 * If a text tag specified on the command line
61 * contains opening single qui 53 * contains opening single quite ' then it is
62 * expected that the tag ends 54 * expected that the tag ends with single quote
63 * as well, like this: 55 * as well, like this:
64 * name=\'CPU_CLK_UNHALTED 56 * name=\'CPU_CLK_UNHALTED.THREAD:cmask=1\'
65 * quotes need to be escaped t 57 * quotes need to be escaped to bypass shell
66 * processing. 58 * processing.
67 */ 59 */
68 yylval->str = strndup(&text[1] 60 yylval->str = strndup(&text[1], strlen(text) - 2);
69 } 61 }
70 62
71 return token; 63 return token;
72 } 64 }
73 65
74 static int lc_str(yyscan_t scanner, const stru !! 66 static int raw(yyscan_t scanner)
75 { 67 {
76 return str(scanner, state->match_legac !! 68 YYSTYPE *yylval = parse_events_get_lval(scanner);
>> 69 char *text = parse_events_get_text(scanner);
>> 70
>> 71 if (perf_pmu__parse_check(text) == PMU_EVENT_SYMBOL)
>> 72 return str(scanner, PE_NAME);
>> 73
>> 74 return __value(yylval, text + 1, 16, PE_RAW);
>> 75 }
>> 76
>> 77 static bool isbpf_suffix(char *text)
>> 78 {
>> 79 int len = strlen(text);
>> 80
>> 81 if (len < 2)
>> 82 return false;
>> 83 if ((text[len - 1] == 'c' || text[len - 1] == 'o') &&
>> 84 text[len - 2] == '.')
>> 85 return true;
>> 86 if (len > 4 && !strcmp(text + len - 4, ".obj"))
>> 87 return true;
>> 88 return false;
>> 89 }
>> 90
>> 91 static bool isbpf(yyscan_t scanner)
>> 92 {
>> 93 char *text = parse_events_get_text(scanner);
>> 94 struct stat st;
>> 95
>> 96 if (!isbpf_suffix(text))
>> 97 return false;
>> 98
>> 99 return stat(text, &st) == 0;
77 } 100 }
78 101
79 /* 102 /*
80 * This function is called when the parser get 103 * This function is called when the parser gets two kind of input:
81 * 104 *
82 * @cfg1 or @cfg2=config 105 * @cfg1 or @cfg2=config
83 * 106 *
84 * The leading '@' is stripped off before 'cfg 107 * The leading '@' is stripped off before 'cfg1' and 'cfg2=config' are given to
85 * bison. In the latter case it is necessary 108 * bison. In the latter case it is necessary to keep the string intact so that
86 * the PMU kernel driver can determine what co 109 * the PMU kernel driver can determine what configurable is associated to
87 * 'config'. 110 * 'config'.
88 */ 111 */
89 static int drv_str(yyscan_t scanner, int token 112 static int drv_str(yyscan_t scanner, int token)
90 { 113 {
91 YYSTYPE *yylval = parse_events_get_lva 114 YYSTYPE *yylval = parse_events_get_lval(scanner);
92 char *text = parse_events_get_text(sca 115 char *text = parse_events_get_text(scanner);
93 116
94 /* Strip off the '@' */ 117 /* Strip off the '@' */
95 yylval->str = strdup(text + 1); 118 yylval->str = strdup(text + 1);
96 return token; 119 return token;
97 } 120 }
98 121
99 /* <<
100 * Use yyless to return all the characaters to <<
101 * location debugging. If __alloc is non-zero <<
102 * returned token's value. <<
103 */ <<
104 #define REWIND(__alloc) 122 #define REWIND(__alloc) \
105 do { 123 do { \
106 YYSTYPE *__yylval = parse_events_get_l 124 YYSTYPE *__yylval = parse_events_get_lval(yyscanner); \
107 char *text = parse_events_get_text(yys 125 char *text = parse_events_get_text(yyscanner); \
108 126 \
109 if (__alloc) 127 if (__alloc) \
110 __yylval->str = strdup(text); 128 __yylval->str = strdup(text); \
111 129 \
112 yycolumn -= strlen(text); 130 yycolumn -= strlen(text); \
113 yyless(0); 131 yyless(0); \
114 } while (0) 132 } while (0)
115 133
>> 134 static int pmu_str_check(yyscan_t scanner, struct parse_events_state *parse_state)
>> 135 {
>> 136 YYSTYPE *yylval = parse_events_get_lval(scanner);
>> 137 char *text = parse_events_get_text(scanner);
>> 138
>> 139 yylval->str = strdup(text);
>> 140
>> 141 /*
>> 142 * If we're not testing then parse check determines the PMU event type
>> 143 * which if it isn't a PMU returns PE_NAME. When testing the result of
>> 144 * parse check can't be trusted so we return PE_PMU_EVENT_FAKE unless
>> 145 * an '!' is present in which case the text can't be a PMU name.
>> 146 */
>> 147 switch (perf_pmu__parse_check(text)) {
>> 148 case PMU_EVENT_SYMBOL_PREFIX:
>> 149 return PE_PMU_EVENT_PRE;
>> 150 case PMU_EVENT_SYMBOL_SUFFIX:
>> 151 return PE_PMU_EVENT_SUF;
>> 152 case PMU_EVENT_SYMBOL_SUFFIX2:
>> 153 return PE_PMU_EVENT_SUF2;
>> 154 case PMU_EVENT_SYMBOL:
>> 155 return parse_state->fake_pmu
>> 156 ? PE_PMU_EVENT_FAKE : PE_KERNEL_PMU_EVENT;
>> 157 default:
>> 158 return parse_state->fake_pmu && !strchr(text,'!')
>> 159 ? PE_PMU_EVENT_FAKE : PE_NAME;
>> 160 }
>> 161 }
>> 162
116 static int sym(yyscan_t scanner, int type, int 163 static int sym(yyscan_t scanner, int type, int config)
117 { 164 {
118 YYSTYPE *yylval = parse_events_get_lva 165 YYSTYPE *yylval = parse_events_get_lval(scanner);
119 166
120 yylval->num = (type << 16) + config; 167 yylval->num = (type << 16) + config;
121 return type == PERF_TYPE_HARDWARE ? PE 168 return type == PERF_TYPE_HARDWARE ? PE_VALUE_SYM_HW : PE_VALUE_SYM_SW;
122 } 169 }
123 170
124 static int tool(yyscan_t scanner, enum perf_to 171 static int tool(yyscan_t scanner, enum perf_tool_event event)
125 { 172 {
126 YYSTYPE *yylval = parse_events_get_lva 173 YYSTYPE *yylval = parse_events_get_lval(scanner);
127 174
128 yylval->num = event; 175 yylval->num = event;
129 return PE_VALUE_SYM_TOOL; 176 return PE_VALUE_SYM_TOOL;
130 } 177 }
131 178
132 static int term(yyscan_t scanner, enum parse_e !! 179 static int term(yyscan_t scanner, int type)
133 { 180 {
134 YYSTYPE *yylval = parse_events_get_lva 181 YYSTYPE *yylval = parse_events_get_lval(scanner);
135 182
136 yylval->term_type = type; !! 183 yylval->num = type;
137 return PE_TERM; 184 return PE_TERM;
138 } 185 }
139 186
140 static int hw_term(yyscan_t scanner, int confi <<
141 { <<
142 YYSTYPE *yylval = parse_events_get_lva <<
143 char *text = parse_events_get_text(sca <<
144 <<
145 yylval->hardware_term.str = strdup(tex <<
146 yylval->hardware_term.num = PERF_TYPE_ <<
147 return PE_TERM_HW; <<
148 } <<
149 <<
150 static void modifiers_error(struct parse_event <<
151 int pos, char mod_ <<
152 { <<
153 struct parse_events_error *error = par <<
154 char *help = NULL; <<
155 <<
156 if (asprintf(&help, "Duplicate modifie <<
157 parse_events_error__handle(err <<
158 } <<
159 <<
160 static int modifiers(struct parse_events_state <<
161 { <<
162 YYSTYPE *yylval = parse_events_get_lva <<
163 char *text = parse_events_get_text(sca <<
164 struct parse_events_modifier mod = { . <<
165 <<
166 for (size_t i = 0, n = strlen(text); i <<
167 #define CASE(c, field) <<
168 case c: <<
169 if (mod.field) { <<
170 modifiers_erro <<
171 return PE_ERRO <<
172 } <<
173 mod.field = true; <<
174 break <<
175 <<
176 switch (text[i]) { <<
177 CASE('u', user); <<
178 CASE('k', kernel); <<
179 CASE('h', hypervisor); <<
180 CASE('I', non_idle); <<
181 CASE('G', guest); <<
182 CASE('H', host); <<
183 case 'p': <<
184 mod.precise++; <<
185 /* <<
186 * precise ip: <<
187 * <<
188 * 0 - SAMPLE_IP can <<
189 * 1 - SAMPLE_IP must <<
190 * 2 - SAMPLE_IP requ <<
191 * 3 - SAMPLE_IP must <<
192 * <<
193 * See also PERF_RECO <<
194 */ <<
195 if (mod.precise > 3) { <<
196 struct parse_e <<
197 char *help = s <<
198 <<
199 if (help) { <<
200 parse_ <<
201 <<
202 } <<
203 return PE_ERRO <<
204 } <<
205 break; <<
206 CASE('P', precise_max); <<
207 CASE('S', sample_read); <<
208 CASE('D', pinned); <<
209 CASE('W', weak); <<
210 CASE('e', exclusive); <<
211 CASE('b', bpf); <<
212 CASE('R', retire_lat); <<
213 default: <<
214 return PE_ERROR; <<
215 } <<
216 #undef CASE <<
217 } <<
218 yylval->mod = mod; <<
219 return PE_MODIFIER_EVENT; <<
220 } <<
221 <<
222 #define YY_USER_ACTION 187 #define YY_USER_ACTION \
223 do { 188 do { \
224 yylloc->last_column = yylloc->first_c 189 yylloc->last_column = yylloc->first_column; \
225 yylloc->first_column = yycolumn; 190 yylloc->first_column = yycolumn; \
226 yycolumn += yyleng; 191 yycolumn += yyleng; \
227 } while (0); 192 } while (0);
228 193
229 #define USER_REJECT \ 194 #define USER_REJECT \
230 yycolumn -= yyleng; \ 195 yycolumn -= yyleng; \
231 REJECT 196 REJECT
232 197
233 %} 198 %}
234 199
235 %x mem 200 %x mem
236 %s config 201 %s config
237 %x event 202 %x event
>> 203 %x array
238 204
239 group [^,{}/]*[{][^}]*[}][^,{}/]* 205 group [^,{}/]*[{][^}]*[}][^,{}/]*
240 event_pmu [^,{}/]+[/][^/]*[/][^,{}/]* 206 event_pmu [^,{}/]+[/][^/]*[/][^,{}/]*
241 event [^,{}/]+ 207 event [^,{}/]+
>> 208 bpf_object [^,{}]+\.(o|bpf)[a-zA-Z0-9._]*
>> 209 bpf_source [^,{}]+\.c[a-zA-Z0-9._]*
242 210
243 num_dec [0-9]+ 211 num_dec [0-9]+
244 num_hex 0x[a-fA-F0-9]{1,16} !! 212 num_hex 0x[a-fA-F0-9]+
245 num_raw_hex [a-fA-F0-9]{1,16} !! 213 num_raw_hex [a-fA-F0-9]+
246 name [a-zA-Z0-9_*?\[\]][a-zA-Z0-9_* !! 214 name [a-zA-Z_*?\[\]][a-zA-Z0-9_*?.\[\]!]*
247 name_tag [\'][a-zA-Z0-9_*?\[\]][a-zA-Z0 !! 215 name_tag [\'][a-zA-Z_*?\[\]][a-zA-Z0-9_*?\-,\.\[\]:=]*[\']
248 name_minus [a-zA-Z_*?][a-zA-Z0-9\-_*?.:]* 216 name_minus [a-zA-Z_*?][a-zA-Z0-9\-_*?.:]*
249 drv_cfg_term [a-zA-Z0-9_\.]+(=[a-zA-Z0-9_*? 217 drv_cfg_term [a-zA-Z0-9_\.]+(=[a-zA-Z0-9_*?\.:]+)?
250 /* !! 218 /* If you add a modifier you need to update check_modifier() */
251 * If you add a modifier you need to update ch !! 219 modifier_event [ukhpPGHSDIWeb]+
252 * Also, the letters in modifier_event must no <<
253 */ <<
254 modifier_event [ukhpPGHSDIWebR]{1,16} <<
255 modifier_bp [rwx]{1,3} 220 modifier_bp [rwx]{1,3}
256 lc_type (L1-dcache|l1-d|l1d|L1-data|L1 <<
257 lc_op_result (load|loads|read|store|stores| <<
258 digit [0-9] <<
259 non_digit [^0-9] <<
260 221
261 %% 222 %%
262 223
263 %{ 224 %{
264 struct parse_events_state *_parse_stat 225 struct parse_events_state *_parse_state = parse_events_get_extra(yyscanner);
>> 226
265 { 227 {
266 int start_token = _parse_state 228 int start_token = _parse_state->stoken;
267 229
268 if (start_token == PE_START_TE 230 if (start_token == PE_START_TERMS)
269 BEGIN(config); 231 BEGIN(config);
270 else if (start_token == PE_STA 232 else if (start_token == PE_START_EVENTS)
271 BEGIN(event); 233 BEGIN(event);
272 234
273 if (start_token) { 235 if (start_token) {
274 _parse_state->stoken = 236 _parse_state->stoken = 0;
275 /* 237 /*
276 * The flex parser doe 238 * The flex parser does not init locations variable
277 * via the scan_string 239 * via the scan_string interface, so we need do the
278 * init in here. 240 * init in here.
279 */ 241 */
280 yycolumn = 0; 242 yycolumn = 0;
281 return start_token; 243 return start_token;
282 } 244 }
283 } 245 }
284 %} 246 %}
285 247
286 <event>{ 248 <event>{
287 249
288 {group} { 250 {group} {
289 BEGIN(INITIAL); 251 BEGIN(INITIAL);
290 REWIND(0); 252 REWIND(0);
291 } 253 }
292 254
293 {event_pmu} | 255 {event_pmu} |
>> 256 {bpf_object} |
>> 257 {bpf_source} |
294 {event} { 258 {event} {
295 BEGIN(INITIAL); 259 BEGIN(INITIAL);
296 REWIND(1); 260 REWIND(1);
297 return PE_EVENT_NAME; 261 return PE_EVENT_NAME;
298 } 262 }
299 263
300 <<EOF>> { 264 <<EOF>> {
301 BEGIN(INITIAL); 265 BEGIN(INITIAL);
302 REWIND(0); 266 REWIND(0);
303 } 267 }
304 , { 268 , {
305 return ','; 269 return ',';
306 } 270 }
307 } 271 }
308 272
>> 273 <array>{
>> 274 "]" { BEGIN(config); return ']'; }
>> 275 {num_dec} { return value(yyscanner, 10); }
>> 276 {num_hex} { return value(yyscanner, 16); }
>> 277 , { return ','; }
>> 278 "\.\.\." { return PE_ARRAY_RANGE; }
>> 279 }
>> 280
309 <config>{ 281 <config>{
310 /* 282 /*
311 * Please update config_term_names whe 283 * Please update config_term_names when new static term is added.
312 */ 284 */
313 config { return term(yyscanne 285 config { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG); }
314 config1 { return term(yyscanne 286 config1 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG1); }
315 config2 { return term(yyscanne 287 config2 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG2); }
316 config3 { return term(yyscanne 288 config3 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG3); }
317 name { return term(yyscanne 289 name { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NAME); }
318 period { return term(yyscanne 290 period { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); }
319 freq { return term(yyscanne 291 freq { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ); }
320 branch_type { return term(yyscanne 292 branch_type { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); }
321 time { return term(yyscanne 293 time { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_TIME); }
322 call-graph { return term(yyscanne 294 call-graph { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CALLGRAPH); }
323 stack-size { return term(yyscanne 295 stack-size { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_STACKSIZE); }
324 max-stack { return term(yyscanne 296 max-stack { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_MAX_STACK); }
325 nr { return term(yyscanne 297 nr { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_MAX_EVENTS); }
326 inherit { return term(yyscanne 298 inherit { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_INHERIT); }
327 no-inherit { return term(yyscanne 299 no-inherit { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NOINHERIT); }
328 overwrite { return term(yyscanne 300 overwrite { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_OVERWRITE); }
329 no-overwrite { return term(yyscanne 301 no-overwrite { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NOOVERWRITE); }
330 percore { return term(yyscanne 302 percore { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_PERCORE); }
331 aux-output { return term(yyscanne 303 aux-output { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT); }
332 aux-sample-size { return term(yyscanne 304 aux-sample-size { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE); }
333 metric-id { return term(yyscanne 305 metric-id { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_METRIC_ID); }
334 cpu-cycles|cycles !! 306 r{num_raw_hex} { return raw(yyscanner); }
335 stalled-cycles-frontend|idle-cycles-frontend !! 307 r0x{num_raw_hex} { return raw(yyscanner); }
336 stalled-cycles-backend|idle-cycles-backend <<
337 instructions <<
338 cache-references <<
339 cache-misses <<
340 branch-instructions|branches <<
341 branch-misses <<
342 bus-cycles <<
343 ref-cycles <<
344 r{num_raw_hex} { return str(yyscanner <<
345 r0x{num_raw_hex} { return str(yyscanner <<
346 , { return ','; } 308 , { return ','; }
347 "/" { BEGIN(INITIAL); retu 309 "/" { BEGIN(INITIAL); return '/'; }
348 {lc_type} { return lc_st <<
349 {lc_type}-{lc_op_result} { return lc_st <<
350 {lc_type}-{lc_op_result}-{lc_op_result} { retu <<
351 {name_minus} { return str(yyscanner 310 {name_minus} { return str(yyscanner, PE_NAME); }
>> 311 \[all\] { return PE_ARRAY_ALL; }
>> 312 "[" { BEGIN(array); return '['; }
352 @{drv_cfg_term} { return drv_str(yysca 313 @{drv_cfg_term} { return drv_str(yyscanner, PE_DRV_CFG_TERM); }
353 } 314 }
354 315
355 <mem>{ 316 <mem>{
356 {modifier_bp} { return str(yyscanner 317 {modifier_bp} { return str(yyscanner, PE_MODIFIER_BP); }
357 /* !! 318 : { return ':'; }
358 * The colon before memory access modi !! 319 "/" { return '/'; }
359 * colon before event modifiers. Fortu !! 320 {num_dec} { return value(yyscanner, 10); }
360 * are the same, so trailing context c !! 321 {num_hex} { return value(yyscanner, 16); }
361 * cases. <<
362 */ <<
363 ":"/{modifier_bp} { return PE_BP_COLON; <<
364 /* <<
365 * The slash before memory length can <<
366 * config terms. Fortunately config te <<
367 * digit, so trailing context can be u <<
368 */ <<
369 "/"/{digit} { return PE_BP_SLASH; <<
370 "/"/{non_digit} { BEGIN(config); retur <<
371 {num_dec} { return value(_parse_ <<
372 {num_hex} { return value(_parse_ <<
373 /* 322 /*
374 * We need to separate 'mem:' scanner 323 * We need to separate 'mem:' scanner part, in order to get specific
375 * modifier bits parsed out. Otherwise 324 * modifier bits parsed out. Otherwise we would need to handle PE_NAME
376 * and we'd need to parse it manually. 325 * and we'd need to parse it manually. During the escape from <mem>
377 * state we need to put the escaping c 326 * state we need to put the escaping char back, so we dont miss it.
378 */ 327 */
379 . { unput(*yytext); BEGI 328 . { unput(*yytext); BEGIN(INITIAL); }
380 /* 329 /*
381 * We destroy the scanner after reachi 330 * We destroy the scanner after reaching EOF,
382 * but anyway just to be sure get back 331 * but anyway just to be sure get back to INIT state.
383 */ 332 */
384 <<EOF>> { BEGIN(INITIAL); } 333 <<EOF>> { BEGIN(INITIAL); }
385 } 334 }
386 335
387 cpu-cycles|cycles 336 cpu-cycles|cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); }
388 stalled-cycles-frontend|idle-cycles-frontend 337 stalled-cycles-frontend|idle-cycles-frontend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); }
389 stalled-cycles-backend|idle-cycles-backend 338 stalled-cycles-backend|idle-cycles-backend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); }
390 instructions 339 instructions { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS); }
391 cache-references 340 cache-references { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_REFERENCES); }
392 cache-misses 341 cache-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_MISSES); }
393 branch-instructions|branches 342 branch-instructions|branches { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_INSTRUCTIONS); }
394 branch-misses 343 branch-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_MISSES); }
395 bus-cycles 344 bus-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES); }
396 ref-cycles 345 ref-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_REF_CPU_CYCLES); }
397 cpu-clock 346 cpu-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_CLOCK); }
398 task-clock 347 task-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_TASK_CLOCK); }
399 page-faults|faults 348 page-faults|faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS); }
400 minor-faults 349 minor-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MIN); }
401 major-faults 350 major-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MAJ); }
402 context-switches|cs 351 context-switches|cs { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CONTEXT_SWITCHES); }
403 cpu-migrations|migrations 352 cpu-migrations|migrations { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS); }
404 alignment-faults 353 alignment-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_ALIGNMENT_FAULTS); }
405 emulation-faults 354 emulation-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); }
406 dummy 355 dummy { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_DUMMY); }
407 duration_time 356 duration_time { return tool(yyscanner, PERF_TOOL_DURATION_TIME); }
408 user_time 357 user_time { return tool(yyscanner, PERF_TOOL_USER_TIME); }
409 system_time 358 system_time { return tool(yyscanner, PERF_TOOL_SYSTEM_TIME); }
410 bpf-output 359 bpf-output { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_BPF_OUTPUT); }
411 cgroup-switches 360 cgroup-switches { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CGROUP_SWITCHES); }
412 361
413 {lc_type} { return str(y !! 362 /*
414 {lc_type}-{lc_op_result} { return str(y !! 363 * We have to handle the kernel PMU event cycles-ct/cycles-t/mem-loads/mem-stores separately.
415 {lc_type}-{lc_op_result}-{lc_op_result} { retu !! 364 * Because the prefix cycles is mixed up with cpu-cycles.
416 mem: { BEGIN(mem); return P !! 365 * loads and stores are mixed up with cache event
417 r{num_raw_hex} { return str(yyscanner !! 366 */
418 {num_dec} { return value(_parse_ !! 367 cycles-ct |
419 {num_hex} { return value(_parse_ !! 368 cycles-t |
>> 369 mem-loads |
>> 370 mem-loads-aux |
>> 371 mem-stores |
>> 372 topdown-[a-z-]+ |
>> 373 tx-capacity-[a-z-]+ |
>> 374 el-capacity-[a-z-]+ { return str(yyscanner, PE_KERNEL_PMU_EVENT); }
>> 375
>> 376 L1-dcache|l1-d|l1d|L1-data |
>> 377 L1-icache|l1-i|l1i|L1-instruction |
>> 378 LLC|L2 |
>> 379 dTLB|d-tlb|Data-TLB |
>> 380 iTLB|i-tlb|Instruction-TLB |
>> 381 branch|branches|bpu|btb|bpc |
>> 382 node { return str(yyscanner, PE_NAME_CACHE_TYPE); }
>> 383
>> 384 load|loads|read |
>> 385 store|stores|write |
>> 386 prefetch|prefetches |
>> 387 speculative-read|speculative-load |
>> 388 refs|Reference|ops|access |
>> 389 misses|miss { return str(yyscanner, PE_NAME_CACHE_OP_RESULT); }
420 390
421 {modifier_event} { return modifiers(_pa !! 391 mem: { BEGIN(mem); return PE_PREFIX_MEM; }
422 {name} { return str(yyscanner !! 392 r{num_raw_hex} { return raw(yyscanner); }
>> 393 {num_dec} { return value(yyscanner, 10); }
>> 394 {num_hex} { return value(yyscanner, 16); }
>> 395
>> 396 {modifier_event} { return str(yyscanner, PE_MODIFIER_EVENT); }
>> 397 {bpf_object} { if (!isbpf(yyscanner)) { USER_REJECT }; return str(yyscanner, PE_BPF_OBJECT); }
>> 398 {bpf_source} { if (!isbpf(yyscanner)) { USER_REJECT }; return str(yyscanner, PE_BPF_SOURCE); }
>> 399 {name} { return pmu_str_check(yyscanner, _parse_state); }
423 {name_tag} { return str(yyscanner 400 {name_tag} { return str(yyscanner, PE_NAME); }
424 "/" { BEGIN(config); retur 401 "/" { BEGIN(config); return '/'; }
>> 402 - { return '-'; }
425 , { BEGIN(event); return 403 , { BEGIN(event); return ','; }
426 : { return ':'; } 404 : { return ':'; }
427 "{" { BEGIN(event); return 405 "{" { BEGIN(event); return '{'; }
428 "}" { return '}'; } 406 "}" { return '}'; }
429 = { return '='; } 407 = { return '='; }
430 \n { } 408 \n { }
431 . { } 409 . { }
432 410
433 %% 411 %%
434 412
435 int parse_events_wrap(void *scanner __maybe_un 413 int parse_events_wrap(void *scanner __maybe_unused)
436 { 414 {
437 return 1; 415 return 1;
438 } 416 }
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.