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| author | Chengen Du <chengen.du@canonical.com> | 2023-11-30 21:57:23 +0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-12-06 09:46:15 -0300 |
| commit | d0acce68285e8645038a72c6792483160ca36e5a (patch) | |
| tree | 1e6d47e7646dd0613cdeb23ccf9529ea389251ce | |
| parent | 030ac3cad28992ae9099a857848861053273cc8f (diff) | |
| download | linux-d0acce68285e8645038a72c6792483160ca36e5a.tar.gz linux-d0acce68285e8645038a72c6792483160ca36e5a.tar.bz2 linux-d0acce68285e8645038a72c6792483160ca36e5a.zip | |
perf symbols: Parse NOTE segments until the build id is found
In the ELF file, multiple NOTE segments may exist.
To locate the build id, the process shall persist
in parsing NOTE segments until the build id is found.
Signed-off-by: Chengen Du <chengen.du@canonical.com>
Acked-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/20231130135723.17562-1-chengen.du@canonical.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/util/symbol-minimal.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c index a81a14769bd1..1da8b713509c 100644 --- a/tools/perf/util/symbol-minimal.c +++ b/tools/perf/util/symbol-minimal.c @@ -159,9 +159,10 @@ int filename__read_build_id(const char *filename, struct build_id *bid) goto out_free; ret = read_build_id(buf, buf_size, bid, need_swap); - if (ret == 0) + if (ret == 0) { ret = bid->size; - break; + break; + } } } else { Elf64_Ehdr ehdr; @@ -210,9 +211,10 @@ int filename__read_build_id(const char *filename, struct build_id *bid) goto out_free; ret = read_build_id(buf, buf_size, bid, need_swap); - if (ret == 0) + if (ret == 0) { ret = bid->size; - break; + break; + } } } out_free: |