Signed-off-by: Alexander Gordeev <[email protected]>
---
arch/x86/kernel/cpu/perf_event_intel.c | 23 +++++++++++++++++++++--
1 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 74f8652..0e8f183 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -1646,6 +1646,25 @@ static void core_pmu_enable_all(int added)
}
}
+void core_pmu_enable_irq(int irq)
+{
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ int idx;
+
+ for (idx = 0; idx < x86_pmu.num_counters; idx++) {
+ struct perf_event *event = cpuc->events[idx];
+
+ if (!test_bit(idx, cpuc->actirq_mask) ||
+ cpuc->events[idx]->attr.exclude_host)
+ continue;
+ if (event->irq != irq)
+ continue;
+
+ __x86_pmu_enable_event(&event->hw,
+ ARCH_PERFMON_EVENTSEL_ENABLE);
+ }
+}
+
PMU_FORMAT_ATTR(event, "config:0-7" );
PMU_FORMAT_ATTR(umask, "config:8-15" );
PMU_FORMAT_ATTR(edge, "config:18" );
@@ -1676,8 +1695,8 @@ static __initconst const struct x86_pmu core_pmu = {
.handle_irq = x86_pmu_handle_irq,
.disable_all = x86_pmu_disable_all,
.enable_all = core_pmu_enable_all,
- .disable_irq = x86_pmu_enable_irq_nop_int,
- .enable_irq = x86_pmu_enable_irq_nop_int,
+ .disable_irq = x86_pmu_disable_irq,
+ .enable_irq = core_pmu_enable_irq,
.enable = core_pmu_enable_event,
.disable = x86_pmu_disable_event,
.hw_config = x86_pmu_hw_config,
--
1.7.7.6
--
Regards,
Alexander Gordeev
[email protected]