diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-12-23 12:17:29 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-23 12:45:24 +0100 |
| commit | f650a672359819454c3d8d4135ecd1558cde0b24 (patch) | |
| tree | 8157271c00949b1d228b2a81473c906a2d29b216 /arch | |
| parent | 235c7fc7c500e4fd1700c4ad01b5612bcdc1b449 (diff) | |
perfcounters: add PERF_COUNT_BUS_CYCLES
Generalize "bus cycles" hw events - and map them to CPU_CLK_Unhalted.Ref
on x86. (which is a good enough approximation)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_counter.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c index f3359c2b391..86b2fdd344a 100644 --- a/arch/x86/kernel/cpu/perf_counter.c +++ b/arch/x86/kernel/cpu/perf_counter.c @@ -41,12 +41,13 @@ static DEFINE_PER_CPU(struct cpu_hw_counters, cpu_hw_counters); static const int intel_perfmon_event_map[] = { - [PERF_COUNT_CYCLES] = 0x003c, + [PERF_COUNT_CPU_CYCLES] = 0x003c, [PERF_COUNT_INSTRUCTIONS] = 0x00c0, [PERF_COUNT_CACHE_REFERENCES] = 0x4f2e, [PERF_COUNT_CACHE_MISSES] = 0x412e, [PERF_COUNT_BRANCH_INSTRUCTIONS] = 0x00c4, [PERF_COUNT_BRANCH_MISSES] = 0x00c5, + [PERF_COUNT_BUS_CYCLES] = 0x013c, }; static const int max_intel_perfmon_events = ARRAY_SIZE(intel_perfmon_event_map); |