diff options
| -rw-r--r-- | arch/x86/events/amd/uncore.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/events/amd/uncore.c b/arch/x86/events/amd/uncore.c index e09bfbb4a4cd..70e0af36c378 100644 --- a/arch/x86/events/amd/uncore.c +++ b/arch/x86/events/amd/uncore.c @@ -87,6 +87,10 @@ struct amd_uncore { static struct amd_uncore uncores[UNCORE_TYPE_MAX]; +/* Interval for hrtimer, defaults to 60000 milliseconds */ +static unsigned int update_interval = 60 * MSEC_PER_SEC; +module_param(update_interval, uint, 0444); + static struct amd_uncore_pmu *event_to_amd_uncore_pmu(struct perf_event *event) { return container_of(event->pmu, struct amd_uncore_pmu, pmu); @@ -545,7 +549,7 @@ static int amd_uncore_ctx_init(struct amd_uncore *uncore, unsigned int cpu) } amd_uncore_init_hrtimer(curr); - curr->hrtimer_duration = 60LL * NSEC_PER_SEC; + curr->hrtimer_duration = (u64)update_interval * NSEC_PER_MSEC; cpumask_set_cpu(cpu, &pmu->active_mask); } |