diff options
Diffstat (limited to 'arch/x86/kernel/cpu/perf_counter.c')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_counter.c | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c index a6c8b27553cd..b1f115696c84 100644 --- a/arch/x86/kernel/cpu/perf_counter.c +++ b/arch/x86/kernel/cpu/perf_counter.c @@ -124,9 +124,9 @@ static const u64 p6_perfmon_event_map[] = [PERF_COUNT_HW_BUS_CYCLES] = 0x0062, }; -static u64 p6_pmu_event_map(int event) +static u64 p6_pmu_event_map(int hw_event) { - return p6_perfmon_event_map[event]; + return p6_perfmon_event_map[hw_event]; } /* @@ -137,7 +137,7 @@ static u64 p6_pmu_event_map(int event) */ #define P6_NOP_COUNTER 0x0000002EULL -static u64 p6_pmu_raw_event(u64 event) +static u64 p6_pmu_raw_event(u64 hw_event) { #define P6_EVNTSEL_EVENT_MASK 0x000000FFULL #define P6_EVNTSEL_UNIT_MASK 0x0000FF00ULL @@ -152,7 +152,7 @@ static u64 p6_pmu_raw_event(u64 event) P6_EVNTSEL_INV_MASK | \ P6_EVNTSEL_COUNTER_MASK) - return event & P6_EVNTSEL_MASK; + return hw_event & P6_EVNTSEL_MASK; } @@ -170,16 +170,16 @@ static const u64 intel_perfmon_event_map[] = [PERF_COUNT_HW_BUS_CYCLES] = 0x013c, }; -static u64 intel_pmu_event_map(int event) +static u64 intel_pmu_event_map(int hw_event) { - return intel_perfmon_event_map[event]; + return intel_perfmon_event_map[hw_event]; } /* - * Generalized hw caching related event table, filled + * Generalized hw caching related hw_event table, filled * in on a per model basis. A value of 0 means - * 'not supported', -1 means 'event makes no sense on - * this CPU', any other value means the raw event + * 'not supported', -1 means 'hw_event makes no sense on + * this CPU', any other value means the raw hw_event * ID. */ @@ -463,7 +463,7 @@ static const u64 atom_hw_cache_event_ids }, }; -static u64 intel_pmu_raw_event(u64 event) +static u64 intel_pmu_raw_event(u64 hw_event) { #define CORE_EVNTSEL_EVENT_MASK 0x000000FFULL #define CORE_EVNTSEL_UNIT_MASK 0x0000FF00ULL @@ -478,7 +478,7 @@ static u64 intel_pmu_raw_event(u64 event) CORE_EVNTSEL_INV_MASK | \ CORE_EVNTSEL_COUNTER_MASK) - return event & CORE_EVNTSEL_MASK; + return hw_event & CORE_EVNTSEL_MASK; } static const u64 amd_hw_cache_event_ids @@ -585,12 +585,12 @@ static const u64 amd_perfmon_event_map[] = [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c5, }; -static u64 amd_pmu_event_map(int event) +static u64 amd_pmu_event_map(int hw_event) { - return amd_perfmon_event_map[event]; + return amd_perfmon_event_map[hw_event]; } -static u64 amd_pmu_raw_event(u64 event) +static u64 amd_pmu_raw_event(u64 hw_event) { #define K7_EVNTSEL_EVENT_MASK 0x7000000FFULL #define K7_EVNTSEL_UNIT_MASK 0x00000FF00ULL @@ -605,7 +605,7 @@ static u64 amd_pmu_raw_event(u64 event) K7_EVNTSEL_INV_MASK | \ K7_EVNTSEL_COUNTER_MASK) - return event & K7_EVNTSEL_MASK; + return hw_event & K7_EVNTSEL_MASK; } /* @@ -956,7 +956,7 @@ static int __hw_perf_counter_init(struct perf_counter *counter) } /* - * Raw event type provide the config in the event structure + * Raw hw_event type provide the config in the hw_event structure */ if (attr->type == PERF_TYPE_RAW) { hwc->config |= x86_pmu.raw_event(attr->config); @@ -1245,7 +1245,7 @@ x86_perf_counter_set_period(struct perf_counter *counter, ret = 1; } /* - * Quirk: certain CPUs dont like it if just 1 event is left: + * Quirk: certain CPUs dont like it if just 1 hw_event is left: */ if (unlikely(left < 2)) left = 2; @@ -1337,11 +1337,11 @@ static void amd_pmu_enable_counter(struct hw_perf_counter *hwc, int idx) static int fixed_mode_idx(struct perf_counter *counter, struct hw_perf_counter *hwc) { - unsigned int event; + unsigned int hw_event; - event = hwc->config & ARCH_PERFMON_EVENT_MASK; + hw_event = hwc->config & ARCH_PERFMON_EVENT_MASK; - if (unlikely((event == + if (unlikely((hw_event == x86_pmu.event_map(PERF_COUNT_HW_BRANCH_INSTRUCTIONS)) && (hwc->sample_period == 1))) return X86_PMC_IDX_FIXED_BTS; @@ -1349,11 +1349,11 @@ fixed_mode_idx(struct perf_counter *counter, struct hw_perf_counter *hwc) if (!x86_pmu.num_counters_fixed) return -1; - if (unlikely(event == x86_pmu.event_map(PERF_COUNT_HW_INSTRUCTIONS))) + if (unlikely(hw_event == x86_pmu.event_map(PERF_COUNT_HW_INSTRUCTIONS))) return X86_PMC_IDX_FIXED_INSTRUCTIONS; - if (unlikely(event == x86_pmu.event_map(PERF_COUNT_HW_CPU_CYCLES))) + if (unlikely(hw_event == x86_pmu.event_map(PERF_COUNT_HW_CPU_CYCLES))) return X86_PMC_IDX_FIXED_CPU_CYCLES; - if (unlikely(event == x86_pmu.event_map(PERF_COUNT_HW_BUS_CYCLES))) + if (unlikely(hw_event == x86_pmu.event_map(PERF_COUNT_HW_BUS_CYCLES))) return X86_PMC_IDX_FIXED_BUS_CYCLES; return -1; @@ -1970,7 +1970,7 @@ static int intel_pmu_init(void) /* * Check whether the Architectural PerfMon supports - * Branch Misses Retired Event or not. + * Branch Misses Retired hw_event or not. */ cpuid(10, &eax.full, &ebx, &unused, &edx.full); if (eax.split.mask_length <= ARCH_PERFMON_BRANCH_MISSES_RETIRED) |