---

yaml --- r: 312222 b: refs/heads/master c: c48b605 h: refs/heads/master v: v3
git-mirror · Jun 6, 2012 · 58c2343 · 58c2343
1 parent 6a4337c
commit 58c2343
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Showing 3 changed files with 5 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1ff4d58a192aea7f245981e2579765f961f6eb9c
+refs/heads/master: c48b60538c3ba05a7a2713c4791b25405525431b
diff --git a/trunk/arch/x86/kernel/cpu/perf_event.c b/trunk/arch/x86/kernel/cpu/perf_event.c
@@ -75,7 +75,7 @@ u64 x86_perf_event_update(struct perf_event *event)
 	 */
 again:
 	prev_raw_count = local64_read(&hwc->prev_count);
-	rdmsrl(hwc->event_base, new_raw_count);
+	rdpmcl(hwc->event_base_rdpmc, new_raw_count);
 
 	if (local64_cmpxchg(&hwc->prev_count, prev_raw_count,
 					new_raw_count) != prev_raw_count)
@@ -819,9 +819,11 @@ static inline void x86_assign_hw_event(struct perf_event *event,
 	} else if (hwc->idx >= X86_PMC_IDX_FIXED) {
 		hwc->config_base = MSR_ARCH_PERFMON_FIXED_CTR_CTRL;
 		hwc->event_base = MSR_ARCH_PERFMON_FIXED_CTR0 + (hwc->idx - X86_PMC_IDX_FIXED);
+		hwc->event_base_rdpmc = (hwc->idx - X86_PMC_IDX_FIXED) | 1<<30;
 	} else {
 		hwc->config_base = x86_pmu_config_addr(hwc->idx);
 		hwc->event_base  = x86_pmu_event_addr(hwc->idx);
+		hwc->event_base_rdpmc = x86_pmu_addr_offset(hwc->idx);
 	}
 }
 

diff --git a/trunk/include/linux/perf_event.h b/trunk/include/linux/perf_event.h
@@ -677,6 +677,7 @@ struct hw_perf_event {
 			u64		last_tag;
 			unsigned long	config_base;
 			unsigned long	event_base;
+			int		event_base_rdpmc;
 			int		idx;
 			int		last_cpu;