diff options
| -rw-r--r-- | tools/perf/util/parse-events.c | 1 | ||||
| -rw-r--r-- | tools/perf/util/parse-events.l | 25 |
2 files changed, 24 insertions, 2 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 4025e18765c4..59324e7b3d8e 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -787,6 +787,7 @@ int parse_events(struct perf_evlist *evlist, const char *str, int unset __used) parse_events__flush_buffer(buffer); parse_events__delete_buffer(buffer); + parse_events_lex_destroy(); if (!ret) { int entries = idx - evlist->nr_entries; diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l index 1fcf1bbc5458..331d28a08dcb 100644 --- a/tools/perf/util/parse-events.l +++ b/tools/perf/util/parse-events.l @@ -1,5 +1,6 @@ %option prefix="parse_events_" +%option stack %{ #include <errno.h> @@ -50,6 +51,8 @@ static int term(int type) %} +%x mem + num_dec [0-9]+ num_hex 0x[a-fA-F0-9]+ num_raw_hex [a-fA-F0-9]+ @@ -105,13 +108,12 @@ config2 { return term(PARSE_EVENTS__TERM_TYPE_CONFIG2); } period { return term(PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); } branch_type { return term(PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); } -mem: { return PE_PREFIX_MEM; } +mem: { BEGIN(mem); return PE_PREFIX_MEM; } r{num_raw_hex} { return raw(); } {num_dec} { return value(10); } {num_hex} { return value(16); } {modifier_event} { return str(PE_MODIFIER_EVENT); } -{modifier_bp} { return str(PE_MODIFIER_BP); } {name} { return str(PE_NAME); } "/" { return '/'; } - { return '-'; } @@ -119,6 +121,25 @@ r{num_raw_hex} { return raw(); } : { return ':'; } = { return '='; } +<mem>{ +{modifier_bp} { return str(PE_MODIFIER_BP); } +: { return ':'; } +{num_dec} { return value(10); } +{num_hex} { return value(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); } + /* + * We destroy the scanner after reaching EOF, + * but anyway just to be sure get back to INIT state. + */ +<<EOF>> { BEGIN(INITIAL); } +} + %% int parse_events_wrap(void) |