[PATCH 1/1] perf/x86/intel: Broadwell support LBR callstack

From: kan . liang
Date: Thu Apr 02 2015 - 11:24:21 EST


From: Kan Liang <kan.liang@xxxxxxxxx>

Same as Haswell, Broadwell also support LBR callstack.

Signed-off-by: Kan Liang <kan.liang@xxxxxxxxx>
---
arch/x86/kernel/cpu/perf_event_intel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index fc6dbc4..4b61fe9 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -2787,7 +2787,7 @@ __init int intel_pmu_init(void)
hw_cache_extra_regs[C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = HSW_DEMAND_WRITE|
BDW_L3_MISS_LOCAL|HSW_SNOOP_DRAM;

- intel_pmu_lbr_init_snb();
+ intel_pmu_lbr_init_hsw();

x86_pmu.event_constraints = intel_bdw_event_constraints;
x86_pmu.pebs_constraints = intel_hsw_pebs_event_constraints;
--
1.8.3.1

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