diff options
Diffstat (limited to 'arch/x86/kernel/cpu/perf_event.c')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index f369c53315a5..61e78f651060 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -238,6 +238,7 @@ struct x86_pmu { * Intel DebugStore bits */ int bts, pebs; + int bts_active, pebs_active; int pebs_record_size; void (*drain_pebs)(struct pt_regs *regs); struct event_constraint *pebs_constraints; @@ -478,7 +479,7 @@ static int x86_setup_perfctr(struct perf_event *event) if ((attr->config == PERF_COUNT_HW_BRANCH_INSTRUCTIONS) && (hwc->sample_period == 1)) { /* BTS is not supported by this architecture. */ - if (!x86_pmu.bts) + if (!x86_pmu.bts_active) return -EOPNOTSUPP; /* BTS is currently only allowed for user-mode. */ @@ -497,7 +498,7 @@ static int x86_pmu_hw_config(struct perf_event *event) int precise = 0; /* Support for constant skid */ - if (x86_pmu.pebs) { + if (x86_pmu.pebs_active) { precise++; /* Support for IP fixup */ |