From 39cc355b0486d89cef335e35edde26c14b462126 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 17 Jul 2017 16:02:52 -0300 Subject: [PATCH] perf trace beauty fcntl: Do not suppress 'cmd' when zero, should be DUPFD Before: 77059.513 ( 0.005 ms): bash/6649 fcntl(fd: 1, 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-woois88uwcr4xu38xx1ihiwo@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- 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, -- GitLab