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| author | Ian Rogers <irogers@google.com> | 2024-02-09 21:49:46 +0100 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2024-02-13 22:48:09 +0100 |
| commit | 2543947c77e0e224bda86b4e7220c2f6714da463 (patch) | |
| tree | 55d5336fe0a051fe5b0b8b6c2b87bea76a36d9c4 /tools/perf/util/stat-shadow.c | |
| parent | perf expr: Fix "has_event" function for metric style events (diff) | |
| download | linux-2543947c77e0e224bda86b4e7220c2f6714da463.tar.xz linux-2543947c77e0e224bda86b4e7220c2f6714da463.zip | |
perf stat: Avoid metric-only segv
Cycles is recognized as part of a hard coded metric in stat-shadow.c,
it may call print_metric_only with a NULL fmt string leading to a
segfault. Handle the NULL fmt explicitly.
Fixes: 088519f318be ("perf stat: Move the display functions to stat-display.c")
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Cc: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: James Clark <james.clark@arm.com>
Cc: Kaige Ye <ye@kaige.org>
Cc: John Garry <john.g.garry@oracle.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240209204947.3873294-4-irogers@google.com
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