From befecc810c95994774439baeedc8a03fe8d51e8f Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 17 Jul 2017 16:04:20 -0300 Subject: [PATCH] perf trace beauty fcntl: Beautify the 'arg' for DUPFD Before: 77059.513 ( 0.005 ms): bash/6649 fcntl(fd: 1, cmd: DUPFD, arg: 10) = 10 After: 77059.513 ( 0.005 ms): bash/6649 fcntl(fd: 1, cmd: DUPFD, arg: 10) = 10 Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: http://lkml.kernel.org/n/tip-0k8iszng0slcuw0rc6xq1x5l@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- 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 b6987c4..9e8900c 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); -- 2.7.4