diff options
Diffstat (limited to 'tools/perf/util/parse-events.l')
| -rw-r--r-- | tools/perf/util/parse-events.l | 221 |
1 files changed, 145 insertions, 76 deletions
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l index 618a8e78839..343299575b3 100644 --- a/tools/perf/util/parse-events.l +++ b/tools/perf/util/parse-events.l @@ -1,4 +1,6 @@ +%option reentrant +%option bison-bridge %option prefix="parse_events_" %option stack @@ -8,132 +10,146 @@ #include "parse-events-bison.h" #include "parse-events.h" -static int __value(char *str, int base, int token) +char *parse_events_get_text(yyscan_t yyscanner); +YYSTYPE *parse_events_get_lval(yyscan_t yyscanner); + +static int __value(YYSTYPE *yylval, char *str, int base, int token) { - long num; + u64 num; errno = 0; - num = strtoul(str, NULL, base); + num = strtoull(str, NULL, base); if (errno) return PE_ERROR; - parse_events_lval.num = num; + yylval->num = num; return token; } -static int value(int base) +static int value(yyscan_t scanner, int base) { - return __value(parse_events_text, base, PE_VALUE); + YYSTYPE *yylval = parse_events_get_lval(scanner); + char *text = parse_events_get_text(scanner); + + return __value(yylval, text, base, PE_VALUE); } -static int raw(void) +static int raw(yyscan_t scanner) { - return __value(parse_events_text + 1, 16, PE_RAW); + YYSTYPE *yylval = parse_events_get_lval(scanner); + char *text = parse_events_get_text(scanner); + + return __value(yylval, text + 1, 16, PE_RAW); } -static int str(int token) +static int str(yyscan_t scanner, int token) { - parse_events_lval.str = strdup(parse_events_text); + YYSTYPE *yylval = parse_events_get_lval(scanner); + char *text = parse_events_get_text(scanner); + + yylval->str = strdup(text); return token; } -static int sym(int type, int config) +static int sym(yyscan_t scanner, int type, int config) { - parse_events_lval.num = (type << 16) + config; - return PE_VALUE_SYM; + YYSTYPE *yylval = parse_events_get_lval(scanner); + + yylval->num = (type << 16) + config; + return type == PERF_TYPE_HARDWARE ? PE_VALUE_SYM_HW : PE_VALUE_SYM_SW; } -static int term(int type) +static int term(yyscan_t scanner, int type) { - parse_events_lval.num = type; + YYSTYPE *yylval = parse_events_get_lval(scanner); + + yylval->num = type; return PE_TERM; } %} %x mem +%s config +%x event + +group [^,{}/]*[{][^}]*[}][^,{}/]* +event_pmu [^,{}/]+[/][^/]*[/][^,{}/]* +event [^,{}/]+ num_dec [0-9]+ num_hex 0x[a-fA-F0-9]+ num_raw_hex [a-fA-F0-9]+ name [a-zA-Z_*?][a-zA-Z0-9_*?]* -modifier_event [ukhpGH]{1,8} -modifier_bp [rwx] +name_minus [a-zA-Z_*?][a-zA-Z0-9\-_*?]* +/* If you add a modifier you need to update check_modifier() */ +modifier_event [ukhpGHSD]+ +modifier_bp [rwx]{1,3} %% -cpu-cycles|cycles { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); } -stalled-cycles-frontend|idle-cycles-frontend { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); } -stalled-cycles-backend|idle-cycles-backend { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); } -instructions { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS); } -cache-references { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_REFERENCES); } -cache-misses { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_MISSES); } -branch-instructions|branches { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_INSTRUCTIONS); } -branch-misses { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_MISSES); } -bus-cycles { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES); } -ref-cycles { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_REF_CPU_CYCLES); } -cpu-clock { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_CLOCK); } -task-clock { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_TASK_CLOCK); } -page-faults|faults { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS); } -minor-faults { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MIN); } -major-faults { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MAJ); } -context-switches|cs { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CONTEXT_SWITCHES); } -cpu-migrations|migrations { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS); } -alignment-faults { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_ALIGNMENT_FAULTS); } -emulation-faults { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); } -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 { return str(PE_NAME_CACHE_TYPE); } +%{ + { + int start_token; -load|loads|read | -store|stores|write | -prefetch|prefetches | -speculative-read|speculative-load | -refs|Reference|ops|access | -misses|miss { return str(PE_NAME_CACHE_OP_RESULT); } + start_token = parse_events_get_extra(yyscanner); - /* - * These are event config hardcoded term names to be specified - * within xxx/.../ syntax. So far we dont clash with other names, - * so we can put them here directly. In case the we have a conflict - * in future, this needs to go into '//' condition block. - */ -config { return term(PARSE_EVENTS__TERM_TYPE_CONFIG); } -config1 { return term(PARSE_EVENTS__TERM_TYPE_CONFIG1); } -config2 { return term(PARSE_EVENTS__TERM_TYPE_CONFIG2); } -name { return term(PARSE_EVENTS__TERM_TYPE_NAME); } -period { return term(PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); } -branch_type { return term(PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); } + if (start_token == PE_START_TERMS) + BEGIN(config); + else if (start_token == PE_START_EVENTS) + BEGIN(event); -mem: { BEGIN(mem); return PE_PREFIX_MEM; } -r{num_raw_hex} { return raw(); } -{num_dec} { return value(10); } -{num_hex} { return value(16); } + if (start_token) { + parse_events_set_extra(NULL, yyscanner); + return start_token; + } + } +%} -{modifier_event} { return str(PE_MODIFIER_EVENT); } -{name} { return str(PE_NAME); } -"/" { return '/'; } -- { return '-'; } +<event>{ + +{group} { + BEGIN(INITIAL); yyless(0); + } + +{event_pmu} | +{event} { + str(yyscanner, PE_EVENT_NAME); + BEGIN(INITIAL); yyless(0); + return PE_EVENT_NAME; + } + +. | +<<EOF>> { + BEGIN(INITIAL); yyless(0); + } + +} + +<config>{ +config { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG); } +config1 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG1); } +config2 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG2); } +name { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NAME); } +period { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); } +branch_type { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); } , { return ','; } -: { return ':'; } -= { return '='; } +"/" { BEGIN(INITIAL); return '/'; } +{name_minus} { return str(yyscanner, PE_NAME); } +} <mem>{ -{modifier_bp} { return str(PE_MODIFIER_BP); } +{modifier_bp} { return str(yyscanner, PE_MODIFIER_BP); } : { return ':'; } -{num_dec} { return value(10); } -{num_hex} { return value(16); } +{num_dec} { return value(yyscanner, 10); } +{num_hex} { return value(yyscanner, 16); } /* * We need to separate 'mem:' scanner part, in order to get specific * modifier bits parsed out. Otherwise we would need to handle PE_NAME * and we'd need to parse it manually. During the escape from <mem> * state we need to put the escaping char back, so we dont miss it. */ -. { unput(*parse_events_text); BEGIN(INITIAL); } +. { unput(*yytext); BEGIN(INITIAL); } /* * We destroy the scanner after reaching EOF, * but anyway just to be sure get back to INIT state. @@ -141,9 +157,62 @@ r{num_raw_hex} { return raw(); } <<EOF>> { BEGIN(INITIAL); } } +cpu-cycles|cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); } +stalled-cycles-frontend|idle-cycles-frontend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); } +stalled-cycles-backend|idle-cycles-backend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); } +instructions { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS); } +cache-references { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_REFERENCES); } +cache-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_MISSES); } +branch-instructions|branches { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_INSTRUCTIONS); } +branch-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_MISSES); } +bus-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES); } +ref-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_REF_CPU_CYCLES); } +cpu-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_CLOCK); } +task-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_TASK_CLOCK); } +page-faults|faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS); } +minor-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MIN); } +major-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MAJ); } +context-switches|cs { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CONTEXT_SWITCHES); } +cpu-migrations|migrations { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS); } +alignment-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_ALIGNMENT_FAULTS); } +emulation-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); } +dummy { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_DUMMY); } + +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 { return str(yyscanner, PE_NAME_CACHE_TYPE); } + +load|loads|read | +store|stores|write | +prefetch|prefetches | +speculative-read|speculative-load | +refs|Reference|ops|access | +misses|miss { return str(yyscanner, PE_NAME_CACHE_OP_RESULT); } + +mem: { BEGIN(mem); return PE_PREFIX_MEM; } +r{num_raw_hex} { return raw(yyscanner); } +{num_dec} { return value(yyscanner, 10); } +{num_hex} { return value(yyscanner, 16); } + +{modifier_event} { return str(yyscanner, PE_MODIFIER_EVENT); } +{name} { return str(yyscanner, PE_NAME); } +"/" { BEGIN(config); return '/'; } +- { return '-'; } +, { BEGIN(event); return ','; } +: { return ':'; } +"{" { BEGIN(event); return '{'; } +"}" { return '}'; } += { return '='; } +\n { } +. { } + %% -int parse_events_wrap(void) +int parse_events_wrap(void *scanner __maybe_unused) { return 1; } |