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| author | Namhyung Kim <namhyung.kim@lge.com> | 2012-09-05 14:02:49 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-09-05 17:47:11 -0300 |
| commit | be4a2dedf6816871349fbddd018f266e93e3c22d (patch) | |
| tree | c74dad2ca7afaebd643b36a3390b910b458cf53e | |
| parent | 618a3f1d30ea0ee2ff3a88661b8d6a4035123211 (diff) | |
| download | talos-obmc-linux-be4a2dedf6816871349fbddd018f266e93e3c22d.tar.gz talos-obmc-linux-be4a2dedf6816871349fbddd018f266e93e3c22d.zip | |
perf header: Swap pmu mapping numbers if needed
Like others, the numbers can be saved in a different endian format than
a host machine. Swap them if needed.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Robert Richter <robert.richter@amd.com>
Link: http://lkml.kernel.org/r/1346821373-31621-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/util/header.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 05c9310c3da1..43425b75f0c9 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -1440,6 +1440,9 @@ static void print_pmu_mappings(struct perf_header *ph, int fd, FILE *fp) if (ret != sizeof(pmu_num)) goto error; + if (ph->needs_swap) + pmu_num = bswap_32(pmu_num); + if (!pmu_num) { fprintf(fp, "# pmu mappings: not available\n"); return; @@ -1448,6 +1451,9 @@ static void print_pmu_mappings(struct perf_header *ph, int fd, FILE *fp) while (pmu_num) { if (read(fd, &type, sizeof(type)) != sizeof(type)) break; + if (ph->needs_swap) + type = bswap_32(type); + name = do_read_string(fd, ph); if (!name) break; |
