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| author | Stephane Eranian <eranian@google.com> | 2010-06-10 13:25:01 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-06-10 14:16:32 +0200 |
| commit | d11007703c31db534674ebeeb9eb047bbbe758bd (patch) | |
| tree | 82edbd08a22d5613e30872aa5cd49ca20424cec1 | |
| parent | 16106822b67e0a5eb228aebf47e33d6cad1e91b6 (diff) | |
| download | linux-stable-d11007703c31db534674ebeeb9eb047bbbe758bd.tar.gz linux-stable-d11007703c31db534674ebeeb9eb047bbbe758bd.tar.bz2 linux-stable-d11007703c31db534674ebeeb9eb047bbbe758bd.zip | |
perf_events: Fix Intel Westmere event constraints
Based on Intel Vol3b (March 2010), the event
SNOOPQ_REQUEST_OUTSTANDING is restricted to counters 0,1 so
update the event table for Intel Westmere accordingly.
Signed-off-by: Stephane Eranian <eranian@google.com>
Cc: peterz@infradead.org
Cc: paulus@samba.org
Cc: davem@davemloft.net
Cc: fweisbec@gmail.com
Cc: perfmon2-devel@lists.sf.net
Cc: eranian@gmail.com
Cc: <stable@kernel.org> # .34.x
LKML-Reference: <4c10cb56.5120e30a.2eb4.ffffc3de@mx.google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event_intel.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index fdbc652d3feb..214ac860ebe0 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -72,6 +72,7 @@ static struct event_constraint intel_westmere_event_constraints[] = INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */ INTEL_EVENT_CONSTRAINT(0x60, 0x1), /* OFFCORE_REQUESTS_OUTSTANDING */ INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */ + INTEL_EVENT_CONSTRAINT(0xb3, 0x1), /* SNOOPQ_REQUEST_OUTSTANDING */ EVENT_CONSTRAINT_END }; |