[PATCH 61/86] perf trace beauty fcntl: Beautify the 'arg' for DUPFD

[Arnaldo Carvalho de Melo]

From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

Before:

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

After:

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

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: http://lkml.kernel.org/n/tip-0k8iszng0slcuw0rc6xq1x5l@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/trace/beauty/fcntl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/trace/beauty/fcntl.c b/tools/perf/trace/beauty/fcntl.c
index b6987c468d18..9e8900c13cb1 100644
--- a/tools/perf/trace/beauty/fcntl.c
+++ b/tools/perf/trace/beauty/fcntl.c
@@ -71,6 +71,9 @@ size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_ar
 {
 	int cmd = syscall_arg__val(arg, 1);
 
+	if (cmd == F_DUPFD)
+		return syscall_arg__scnprintf_fd(bf, size, arg);
+
 	if (cmd == F_SETFD)
 		return fcntl__scnprintf_getfd(arg->val, bf, size);
 
-- 
2.9.4