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| author |  Ian Rogers <irogers@google.com>
| 2023-06-23 08:10:05 -0700 |
|---|---|---|
| committer |  Namhyung Kim <namhyung@kernel.org>
| 2023-06-29 22:13:15 -0700 |
| commit | 4a4a9bf9075fbc753ab20f05347fd1482d4801e4 (patch) | |
| tree | 9668cb52d0f115266da702507c96630077b6fdab /tools/perf/util/expr.l | |
| parent | perf tools: Do not remove addr_location.thread in thread__find_map() (diff) | |
| download | linux-4a4a9bf9075fbc753ab20f05347fd1482d4801e4.tar.gz linux-4a4a9bf9075fbc753ab20f05347fd1482d4801e4.tar.bz2 linux-4a4a9bf9075fbc753ab20f05347fd1482d4801e4.zip | |
perf expr: Add has_event function
Some events are dependent on firmware/kernel enablement. Allow such
events to be detected when the metric is parsed so that the metric's
event parsing doesn't fail.
Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Namhyung Kim <namhyung@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Eduard Zingerman <eddyz87@gmail.com>
Cc: Sohom Datta <sohomdatta1@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Caleb Biggers <caleb.biggers@intel.com>
Cc: Edward Baker <edward.baker@intel.com>
Cc: Perry Taylor <perry.taylor@intel.com>
Cc: Samantha Alt <samantha.alt@intel.com>
Cc: Weilin Wang <weilin.wang@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Jing Zhang <renyu.zj@linux.alibaba.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Ingo Molnar <mingo@redhat.com>
Link: https://lore.kernel.org/r/20230623151016.4193660-2-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'tools/perf/util/expr.l')
| -rw-r--r-- | tools/perf/util/expr.l | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/expr.l b/tools/perf/util/expr.l index 4fbf353e78e7..dbb117414710 100644 --- a/tools/perf/util/expr.l +++ b/tools/perf/util/expr.l @@ -113,6 +113,7 @@ min { return MIN; } if { return IF; } else { return ELSE; } source_count { return SOURCE_COUNT; } +has_event { return HAS_EVENT; } {literal} { return literal(yyscanner, sctx); } {number} { return value(yyscanner); } {symbol} { return str(yyscanner, ID, sctx->runtime); } |