提交 d329527e 编写于 作者: P Peter Zijlstra 提交者: Ingo Molnar

perf, x86: Reorder intel_pmu_enable_all()

The documentation says we have to enable PEBS before we enable the PMU
proper.
Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: paulus@samba.org
Cc: eranian@google.com
Cc: robert.richter@amd.com
Cc: fweisbec@gmail.com
LKML-Reference: <new-submission>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
上级 2df202bf
......@@ -487,6 +487,8 @@ static void intel_pmu_enable_all(void)
{
struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
intel_pmu_pebs_enable_all();
intel_pmu_lbr_enable_all();
wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, x86_pmu.intel_ctrl);
if (test_bit(X86_PMC_IDX_FIXED_BTS, cpuc->active_mask)) {
......@@ -498,9 +500,6 @@ static void intel_pmu_enable_all(void)
intel_pmu_enable_bts(event->hw.config);
}
intel_pmu_pebs_enable_all();
intel_pmu_lbr_enable_all();
}
static inline u64 intel_pmu_get_status(void)
......
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