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| author |   Namhyung Kim <namhyung.kim@lge.com> | 2013-11-12 15:24:59 +0900 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-11-12 13:00:23 -0300 |
| commit | 73faab3a421351c342b10b0177fec9eea1a1d809 (patch) | |
| tree | 2559ff4867c631918d55eb2823ca6cd47da9b1ed /tools | |
| parent | perf tests: Use lower sample_freq in sw clock event period test (diff) | |
| download | linux-dev-73faab3a421351c342b10b0177fec9eea1a1d809.tar.xz linux-dev-73faab3a421351c342b10b0177fec9eea1a1d809.zip | |
perf trace: Beautify fifth argument of mmap() as fd
The fifth argument of mmap syscall is fd and it often contains -1 as a
value for anon mappings. Without this patch it doesn't show the file
name as well as it shows -1 as 4294967295.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: David Ahern <dsahern@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1384237500-22991-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-trace.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index c3008b1c369c..aeb6296a76bd 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -951,7 +951,8 @@ static struct syscall_fmt { { .name = "mmap", .hexret = true, .arg_scnprintf = { [0] = SCA_HEX, /* addr */ [2] = SCA_MMAP_PROT, /* prot */ - [3] = SCA_MMAP_FLAGS, /* flags */ }, }, + [3] = SCA_MMAP_FLAGS, /* flags */ + [4] = SCA_FD, /* fd */ }, }, { .name = "mprotect", .errmsg = true, .arg_scnprintf = { [0] = SCA_HEX, /* start */ [2] = SCA_MMAP_PROT, /* prot */ }, }, |