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authorArnaldo Carvalho de Melo <acme@redhat.com>2018-01-09 18:03:47 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-01-10 18:00:56 +0300
commit2d1073def3cb69aa44f99be7ef42da7cc561be1f (patch)
treef317af0831201f8b8f11a88dfc5f6d8f2d890ee4 /tools/perf/builtin-trace.c
parenta4a4d0a7a2b20f7880262de4f51685baaf693476 (diff)
downloadlinux-2d1073def3cb69aa44f99be7ef42da7cc561be1f.tar.xz
perf trace: Beautify 'gettid' syscall result
Before: # trace -a -e gettid sleep 0.01 <SNIP> 4.863 ( 0.005 ms): Chrome_ChildIO/26241 gettid() = 26241 4.931 ( 0.004 ms): Chrome_IOThrea/26154 gettid() = 26154 4.942 ( 0.001 ms): Chrome_IOThrea/26154 gettid() = 26154 4.946 ( 0.001 ms): Chrome_IOThrea/26154 gettid() = 26154 4.970 ( 0.002 ms): Chrome_IOThrea/26154 gettid() = 26154 # After: # trace -a -e gettid sleep 0.01 0.000 ( 0.009 ms): Chrome_IOThrea/26154 gettid() = 26154 (Chrome_IOThread) <SNIP> 3.416 ( 0.002 ms): Chrome_ChildIO/26241 gettid() = 26241 (Chrome_ChildIOT) 3.424 ( 0.001 ms): Chrome_ChildIO/26241 gettid() = 26241 (Chrome_ChildIOT) 3.343 ( 0.002 ms): chrome/26116 gettid() = 26116 (chrome) 3.386 ( 0.002 ms): Chrome_IOThrea/26154 gettid() = 26154 (Chrome_IOThread) 4.003 ( 0.003 ms): Chrome_ChildIO/26241 gettid() = 26241 (Chrome_ChildIOT) 4.031 ( 0.002 ms): Chrome_IOThrea/26154 gettid() = 26154 (Chrome_IOThread) # 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: https://lkml.kernel.org/n/tip-kyg4gz2yy0vkrrh2vtq29u71@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-trace.c')
-rw-r--r--tools/perf/builtin-trace.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 7c57898095ea..71e64bdca86f 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -622,6 +622,7 @@ static struct syscall_fmt {
.arg = { [2] = { .scnprintf = SCA_GETRANDOM_FLAGS, /* flags */ }, }, },
{ .name = "getrlimit",
.arg = { [0] = STRARRAY(resource, rlimit_resources), }, },
+ { .name = "gettid", .errpid = true, },
{ .name = "ioctl",
.arg = {
#if defined(__i386__) || defined(__x86_64__)