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| author | Ingo Molnar <mingo@elte.hu> | 2009-09-14 18:22:53 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-14 18:22:53 +0200 |
| commit | d11533893b31ab7806ff04bfa69ae646068610ce (patch) | |
| tree | 332f701f1aeea75abf7dd885e86baff5014dc9f6 /tools | |
| parent | ea57c4f5203d82c7844c54cdef54e972cf4e9d1f (diff) | |
| download | lwn-d11533893b31ab7806ff04bfa69ae646068610ce.tar.gz lwn-d11533893b31ab7806ff04bfa69ae646068610ce.zip | |
perf sched: Fix 'perf sched latency' output on 32-bit systems
Before:
-----------------------------------------------------------------------------------
Task | Runtime ms | Switches | Average delay ms | Maximum delay ms |
-----------------------------------------------------------------------------------
perf |4853313.251 ms | 10 | avg: 0.046 ms | max: 0.337 ms |
flush-8:0 |2426659.202 ms | 5 | avg: 0.015 ms | max: 0.016 ms |
sleep |485331.966 ms | 1 | avg: 0.012 ms | max: 0.012 ms |
ksoftirqd/1 |485331.320 ms | 1 | avg: 0.005 ms | max: 0.005 ms |
-----------------------------------------------------------------------------------
TOTAL: |8250635.739 ms | 17 |
---------------------------------------------
After:
-----------------------------------------------------------------------------------
Task | Runtime ms | Switches | Average delay ms | Maximum delay ms |
-----------------------------------------------------------------------------------
perf | 0.206 ms | 10 | avg: 0.046 ms | max: 0.337 ms |
flush-8:0 | 2.680 ms | 5 | avg: 0.015 ms | max: 0.016 ms |
sleep | 0.662 ms | 1 | avg: 0.012 ms | max: 0.012 ms |
ksoftirqd/1 | 0.015 ms | 1 | avg: 0.005 ms | max: 0.005 ms |
-----------------------------------------------------------------------------------
TOTAL: | 3.563 ms | 17 |
---------------------------------------------
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-sched.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 2ce87ef5a3e6..f856a02cd4fc 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -805,7 +805,7 @@ replay_wakeup_event(struct trace_wakeup_event *wakeup_event, add_sched_event_wakeup(waker, timestamp, wakee); } -static unsigned long cpu_last_switched[MAX_CPUS]; +static u64 cpu_last_switched[MAX_CPUS]; static void replay_switch_event(struct trace_switch_event *switch_event, |