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authorArnaldo Carvalho de Melo <acme@redhat.com>2009-12-16 14:09:53 -0200
committerIngo Molnar <mingo@elte.hu>2009-12-16 18:13:40 +0100
commit604c5c92972dcb4b98be34775452d09a5d4ec248 (patch)
tree3f4ef659340f70780d41d3850fc5f9de13fc8719 /tools/perf
parentc351c2816177eb7d2979ec874b9b895abe9d6e5c (diff)
downloadblackbird-op-linux-604c5c92972dcb4b98be34775452d09a5d4ec248.tar.gz
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perf diff: Change the default sort order to "dso,symbol"
This is a more intuitive / more meaningful default: $ perf diff | head -8 9.02% +1.00% libc-2.10.1.so [.] _IO_vfprintf_internal 2.91% -1.00% [kernel] [k] __kmalloc 2.85% -1.00% [kernel] [k] ext4_htree_store_dirent 1.99% -1.00% [kernel] [k] _atomic_dec_and_lock 2.44% [kernel] $ Suggested-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1260979793-1981-1-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/builtin-diff.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 66f100d249a8..4d33b55d5584 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -18,6 +18,7 @@
static char const *input_old = "perf.data.old",
*input_new = "perf.data";
+static char diff__default_sort_order[] = "dso,symbol";
static int force;
static bool show_displacement;
@@ -220,6 +221,7 @@ static const struct option options[] = {
int cmd_diff(int argc, const char **argv, const char *prefix __used)
{
+ sort_order = diff__default_sort_order;
argc = parse_options(argc, argv, options, diff_usage, 0);
if (argc) {
if (argc > 2)
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