Commit-ID: 2d1073def3cb69aa44f99be7ef42da7cc561be1f
Gitweb: https://git.kernel.org/tip/2d1073def3cb69aa44f99be7ef42da7cc561be1f
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Tue, 9 Jan 2018 12:03:47 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 10 Jan 2018 12:00:56 -0300
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@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: https://lkml.kernel.org/n/tip-kyg4gz2yy0vkrrh2vtq29u71@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-trace.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 7c57898..71e64bd 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__)
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|