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