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perf parse: Allow tracepoint names to start with digits

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Tracepoints can start with digits, although we don't have many of these:

  $ rg -g '*.h' '\bTRACE_EVENT\([0-9]'
  net/mac802154/trace.h
  53:TRACE_EVENT(802154_drv_return_int,
  ...

  net/ieee802154/trace.h
  66:TRACE_EVENT(802154_rdev_add_virtual_intf,
  ...

  include/trace/events/9p.h
  124:TRACE_EVENT(9p_client_req,
  ...

Just allow names to start with digits too so e.g. "perf trace -e '9p:*'"
works

Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
Tested-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20240510-perf_digit-v4-3-db1553f3233b@codewreck.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Dominique Martinet 2024-05-10 07:24:32 +09:00 • committed by Arnaldo Carvalho de Melo
parent a2a6604e1c
commit 5ceb57990b
2 changed files with 9 additions and 2 deletions
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7
tools/perf/tests/parse-events.c
View file

@ -2269,6 +2269,13 @@ static const struct evlist_test test__events[] = {
.check = test__checkevent_breakpoint_2_events, .check = test__checkevent_breakpoint_2_events,
/* 3 */ /* 3 */
}, },
#ifdef HAVE_LIBTRACEEVENT
{
.name = "9p:9p_client_req",
.check = test__checkevent_tracepoint,
/* 4 */
},
#endif
}; };
static const struct evlist_test test__events_pmu[] = { static const struct evlist_test test__events_pmu[] = {

4
tools/perf/util/parse-events.l
View file

@ -242,8 +242,8 @@ event [^,{}/]+
num_dec [0-9]+ num_dec [0-9]+
num_hex 0x[a-fA-F0-9]{1,16} num_hex 0x[a-fA-F0-9]{1,16}
num_raw_hex [a-fA-F0-9]{1,16} num_raw_hex [a-fA-F0-9]{1,16}
name [a-zA-Z_*?\[\]][a-zA-Z0-9_*?.\[\]!\-]* name [a-zA-Z0-9_*?\[\]][a-zA-Z0-9_*?.\[\]!\-]*
name_tag [\'][a-zA-Z_*?\[\]][a-zA-Z0-9_*?\-,\.\[\]:=]*[\'] name_tag [\'][a-zA-Z0-9_*?\[\]][a-zA-Z0-9_*?\-,\.\[\]:=]*[\']
name_minus [a-zA-Z_*?][a-zA-Z0-9\-_*?.:]* name_minus [a-zA-Z_*?][a-zA-Z0-9\-_*?.:]*
drv_cfg_term [a-zA-Z0-9_\.]+(=[a-zA-Z0-9_*?\.:]+)? drv_cfg_term [a-zA-Z0-9_\.]+(=[a-zA-Z0-9_*?\.:]+)?
/* /*