{
struct intel_uncore_box *box;
struct perf_event *event;
- unsigned long flags;
int bit;
box = container_of(hrtimer, struct intel_uncore_box, hrtimer);
if (!box->n_active || box->cpu != smp_processor_id())
return HRTIMER_NORESTART;
- /*
- * disable local interrupt to prevent uncore_pmu_event_start/stop
- * to interrupt the update process
- */
- local_irq_save(flags);
/*
* handle boxes with an active event list as opposed to active
for_each_set_bit(bit, box->active_mask, UNCORE_PMC_IDX_MAX)
uncore_perf_event_update(box, box->events[bit]);
- local_irq_restore(flags);
-
hrtimer_forward_now(hrtimer, ns_to_ktime(box->hrtimer_duration));
return HRTIMER_RESTART;
}
void uncore_pmu_start_hrtimer(struct intel_uncore_box *box)
{
hrtimer_start(&box->hrtimer, ns_to_ktime(box->hrtimer_duration),
- HRTIMER_MODE_REL_PINNED);
+ HRTIMER_MODE_REL_PINNED_HARD);
}
void uncore_pmu_cancel_hrtimer(struct intel_uncore_box *box)
static void uncore_pmu_init_hrtimer(struct intel_uncore_box *box)
{
- hrtimer_setup(&box->hrtimer, uncore_pmu_hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+ hrtimer_setup(&box->hrtimer, uncore_pmu_hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD);
}
static struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type,