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| author | Namhyung Kim <namhyung@kernel.org> | 2023-06-26 17:02:27 -0700 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2023-06-29 22:12:29 -0700 |
| commit | 36cee69f572c72610da2681a358318d0dc9740b0 (patch) | |
| tree | 9d6322eee341f46e6327926a2e9502b7a9c75426 /tools/perf/util | |
| parent | 628eaa4e877af8230ef7326d378e15d511c506ba (diff) | |
| download | linux-stable-36cee69f572c72610da2681a358318d0dc9740b0.tar.gz linux-stable-36cee69f572c72610da2681a358318d0dc9740b0.tar.bz2 linux-stable-36cee69f572c72610da2681a358318d0dc9740b0.zip | |
perf tools: Do not remove addr_location.thread in thread__find_map()
The thread__find_map() is to find a map for a given address in the
given thread's address space. It searches maps based on the cpu mode
and fills various information in the addr_location data structure.
It might change al->maps and al->map, but not al->thread. Then I
think no reason to not set the al->thread at the beginning.
Also get rid of the duplicate 'al->map = NULL' part.
Fixes: 0dd5041c9a0ea ("perf addr_location: Add init/exit/copy functions")
Acked-by: Ian Rogers <irogers@google.com>
Acked-by: James Clark <james.clark@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/event.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 3860b0c74829..4cbb092e0684 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -581,15 +581,14 @@ struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr, maps__zput(al->maps); map__zput(al->map); thread__zput(al->thread); + al->thread = thread__get(thread); al->addr = addr; al->cpumode = cpumode; al->filtered = 0; - if (machine == NULL) { - al->map = NULL; + if (machine == NULL) return NULL; - } if (cpumode == PERF_RECORD_MISC_KERNEL && perf_host) { al->level = 'k'; @@ -605,7 +604,6 @@ struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr, al->level = 'u'; } else { al->level = 'H'; - al->map = NULL; if ((cpumode == PERF_RECORD_MISC_GUEST_USER || cpumode == PERF_RECORD_MISC_GUEST_KERNEL) && @@ -619,7 +617,6 @@ struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr, return NULL; } al->maps = maps__get(maps); - al->thread = thread__get(thread); al->map = map__get(maps__find(maps, al->addr)); if (al->map != NULL) { /* |