diff options
| author | Gleb Natapov <gleb@redhat.com> | 2011-11-10 14:57:26 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-12-06 20:41:05 +0100 |
| commit | ffb871bc9156ee2e5cf442f61250c5bd6aad17e3 (patch) | |
| tree | b69b5201d5ad2e54dedbdc07d4b8de5ac1f22be8 /arch/x86/kernel/cpu/perf_event.h | |
| parent | ac99b862fb98a36929831791da31714f709c2aa8 (diff) | |
x86, perf: Disable non available architectural events
Intel CPUs report non-available architectural events in cpuid leaf
0AH.EBX. Use it to disable events that are not available according
to CPU.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1320929850-10480-7-git-send-email-gleb@redhat.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/cpu/perf_event.h')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index 51a985cbc12..f49c5c21085 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -285,6 +285,11 @@ struct x86_pmu { int num_counters_fixed; int cntval_bits; u64 cntval_mask; + union { + unsigned long events_maskl; + unsigned long events_mask[BITS_TO_LONGS(ARCH_PERFMON_EVENTS_COUNT)]; + }; + int events_mask_len; int apic; u64 max_period; struct event_constraint * |