static struct attribute *empty_attrs;
+static void intel_pmu_check_num_counters(int *num_counters,
+ int *num_counters_fixed,
+ u64 *intel_ctrl, u64 fixed_mask)
+{
+ if (*num_counters > INTEL_PMC_MAX_GENERIC) {
+ WARN(1, KERN_ERR "hw perf events %d > max(%d), clipping!",
+ *num_counters, INTEL_PMC_MAX_GENERIC);
+ *num_counters = INTEL_PMC_MAX_GENERIC;
+ }
+ *intel_ctrl = (1ULL << *num_counters) - 1;
+
+ if (*num_counters_fixed > INTEL_PMC_MAX_FIXED) {
+ WARN(1, KERN_ERR "hw perf events fixed %d > max(%d), clipping!",
+ *num_counters_fixed, INTEL_PMC_MAX_FIXED);
+ *num_counters_fixed = INTEL_PMC_MAX_FIXED;
+ }
+
+ *intel_ctrl |= fixed_mask << INTEL_PMC_IDX_FIXED;
+}
+
__init int intel_pmu_init(void)
{
struct attribute **extra_skl_attr = &empty_attrs;
x86_pmu.attr_update = attr_update;
- if (x86_pmu.num_counters > INTEL_PMC_MAX_GENERIC) {
- WARN(1, KERN_ERR "hw perf events %d > max(%d), clipping!",
- x86_pmu.num_counters, INTEL_PMC_MAX_GENERIC);
- x86_pmu.num_counters = INTEL_PMC_MAX_GENERIC;
- }
- x86_pmu.intel_ctrl = (1ULL << x86_pmu.num_counters) - 1;
-
- if (x86_pmu.num_counters_fixed > INTEL_PMC_MAX_FIXED) {
- WARN(1, KERN_ERR "hw perf events fixed %d > max(%d), clipping!",
- x86_pmu.num_counters_fixed, INTEL_PMC_MAX_FIXED);
- x86_pmu.num_counters_fixed = INTEL_PMC_MAX_FIXED;
- }
-
- x86_pmu.intel_ctrl |= (u64)fixed_mask << INTEL_PMC_IDX_FIXED;
+ intel_pmu_check_num_counters(&x86_pmu.num_counters,
+ &x86_pmu.num_counters_fixed,
+ &x86_pmu.intel_ctrl,
+ (u64)fixed_mask);
/* AnyThread may be deprecated on arch perfmon v5 or later */
if (x86_pmu.intel_cap.anythread_deprecated)