diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event_intel.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index 9ae4a2aa739..efa2704c9df 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -1413,6 +1413,9 @@ static __init int intel_pmu_init(void) x86_pmu.enable_all = intel_pmu_nhm_enable_all; x86_pmu.extra_regs = intel_nehalem_extra_regs; + /* Install the stalled-cycles event: 0xff: All reasons, 0xa2: Resource stalls */ + intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES] = 0xffa2; + if (ebx & 0x40) { /* * Erratum AAJ80 detected, we work it around by using |