From: Arnaldo Carvalho de Melo <[email protected]>
[acme@mica linux]$ perf stat ls > /dev/null
Performance counter stats for 'ls':
1.512532 task-clock-msecs # 0.801 CPUs
2 context-switches # 0.001 M/sec
0 CPU-migrations # 0.000 M/sec
241 page-faults # 0.159 M/sec
2,973,331 cycles # 1965.797 M/sec
1,460,802 instructions # 0.491 IPC
314,642 branches # 208.023 M/sec
18,475 branch-misses # 5.872 %
<not counted> cache-references
<not counted> cache-misses
0.001887676 seconds time elapsed
To get the previous behaviour just use --no-big-num:
[acme@mica linux]$ perf stat --no-big-num ls > /dev/null
Performance counter stats for 'ls':
1.468014 task-clock-msecs # 0.795 CPUs
1 context-switches # 0.001 M/sec
0 CPU-migrations # 0.000 M/sec
241 page-faults # 0.164 M/sec
2900254 cycles # 1975.631 M/sec
1437991 instructions # 0.496 IPC
310905 branches # 211.786 M/sec
17912 branch-misses # 5.761 %
<not counted> cache-references
<not counted> cache-misses
0.001845435 seconds time elapsed
[acme@mica linux]$
Suggested-by: Ingo Molnar <[email protected]>
Cc: Frédéric Weisbecker <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Stephane Eranian <[email protected]>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
tools/perf/builtin-stat.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 970a7f2..acbf7cc 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -82,7 +82,7 @@ static pid_t *all_tids = NULL;
static int thread_num = 0;
static pid_t child_pid = -1;
static bool null_run = false;
-static bool big_num = false;
+static bool big_num = true;
static const char *cpu_list;
--
1.6.2.5