[PATCH 60/86] perf trace beauty fcntl: Do not suppress 'cmd' when zero, should be DUPFD

Arnaldo Carvalho de Melo
2017-07-19T14:35:46Z

From: Arnaldo Carvalho de Melo <acme@redhat.com>

Before:

77059.513 ( 0.005 ms): bash/6649 fcntl(fd: 1</dev/pts/12>, arg: 10) = 10</dev/pts/12>

After:

77059.513 ( 0.005 ms): bash/6649 fcntl(fd: 1</dev/pts/12>, cmd: DUPFD, arg: 10) = 10</dev/pts/12>

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-woois88uwcr4xu38xx1ihiwo@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-trace.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index b842bd93457f..bab87f612a36 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -652,7 +652,8 @@ static struct syscall_fmt {
.arg = { [0] = { .scnprintf = SCA_FDAT, /* fd */ }, }, },
{ .name = "fcntl", .errmsg = true,
.arg = { [1] = { .scnprintf = SCA_FCNTL_CMD, /* cmd */
- .parm = &strarrays__fcntl_cmds_arrays, /* cmd */ },
+ .parm = &strarrays__fcntl_cmds_arrays,
+ .show_zero = true, },
[2] = { .scnprintf = SCA_FCNTL_ARG, /* arg */ }, }, },
{ .name = "fdatasync", .errmsg = true, },
{ .name = "flock", .errmsg = true,
--
2.9.4