diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-08-11 12:26:33 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-11 13:35:26 +0400 |
| commit | f64ccccb8afa43abdd63fcbd230f818d6ea0883f (patch) | |
| tree | 29997f80f5ff665d6c136caa3c176b8445797c70 /arch | |
| parent | 3c581a7f94542341bf0da496a226b44ac63521a8 (diff) | |
| download | linux-f64ccccb8afa43abdd63fcbd230f818d6ea0883f.tar.xz | |
perf_counter, x86: Fix generic cache events on P6-mobile CPUs
Johannes Stezenbach reported that 'perf stat' does not count
cache-miss and cache-references events on his Pentium-M based
laptop.
This is because we left them blank in p6_perfmon_event_map[],
fill them in.
Reported-by: Johannes Stezenbach <js@sig21.net>
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 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_counter.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c index 40e233a24d9f..fffc126dbdf0 100644 --- a/arch/x86/kernel/cpu/perf_counter.c +++ b/arch/x86/kernel/cpu/perf_counter.c @@ -72,8 +72,8 @@ static const u64 p6_perfmon_event_map[] = { [PERF_COUNT_HW_CPU_CYCLES] = 0x0079, [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0, - [PERF_COUNT_HW_CACHE_REFERENCES] = 0x0000, - [PERF_COUNT_HW_CACHE_MISSES] = 0x0000, + [PERF_COUNT_HW_CACHE_REFERENCES] = 0x0f2e, + [PERF_COUNT_HW_CACHE_MISSES] = 0x012e, [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c4, [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c5, [PERF_COUNT_HW_BUS_CYCLES] = 0x0062, |