From 3de3e8bbf302545ef9acebb9f900939ac5c3820f Mon Sep 17 00:00:00 2001 From: Benjamin Peterson Date: Mon, 27 Aug 2018 20:53:44 -0700 Subject: [PATCH] perf trace beauty: Alias 'umount' to 'umount2' Before: # perf trace -e *mount* umount /dev/mapper/fedora-home /s 11.576 ( 0.004 ms) umount/3138 umount2(arg0: 94501956754656, arg1: 0, arg2: 1, arg3: 140051050083104, arg4: 4, arg5: 94501956755136) = -1 EINVAL Invalid argument # After: # perf trace -e *mount* umount /s 0.000 ( 9.241 ms): umount/5251 umount2(name: 0x55f74a986480) = 0 Signed-off-by: Benjamin Peterson Tested-by: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20180828035344.31500-1-benjamin@python.org [ split from a larger patch ] Signed-off-by: Arnaldo Carvalho de Melo --- 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 97ace635bed8..c106189f4066 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -825,6 +825,7 @@ static struct syscall_fmt { .arg = { [2] = { .scnprintf = SCA_SIGNUM, /* sig */ }, }, }, { .name = "tkill", .arg = { [1] = { .scnprintf = SCA_SIGNUM, /* sig */ }, }, }, + { .name = "umount2", .alias = "umount", }, { .name = "uname", .alias = "newuname", }, { .name = "unlinkat", .arg = { [0] = { .scnprintf = SCA_FDAT, /* dfd */ }, }, }, -- 2.11.0