diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-07-19 17:16:15 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-07-20 14:55:51 +0200 |
| commit | d57da8c9a5e11e7786931cfa1fd744969f530b2e (patch) | |
| tree | f3f322feb5f880c55c311930eba8d932c103ea1b /tools/perf/trace | |
| parent | perf trace: Add missing ' = ' in the default formatting of syscall returns (diff) | |
| download | linux-d57da8c9a5e11e7786931cfa1fd744969f530b2e.tar.xz linux-d57da8c9a5e11e7786931cfa1fd744969f530b2e.zip | |
perf trace beauty mmap: Ignore 'fd' and 'offset' args for MAP_ANONYMOUS
Just suppress them, not used by the kernel.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-atpt07y2x9a8ttlwja94ow3j@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/trace')
| -rw-r--r-- | tools/perf/trace/beauty/mmap.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/mmap.c b/tools/perf/trace/beauty/mmap.c index af1cfde6b97b..754558f9009d 100644 --- a/tools/perf/trace/beauty/mmap.c +++ b/tools/perf/trace/beauty/mmap.c @@ -34,6 +34,9 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, { int printed = 0, flags = arg->val; + if (flags & MAP_ANONYMOUS) + arg->mask |= (1 << 4) | (1 << 5); /* Mask 4th ('fd') and 5th ('offset') args, ignored */ + #define P_MMAP_FLAG(n) \ if (flags & MAP_##n) { \ printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ |