[PATCH 12/14] perf, x86: Expose the full PEBS record using PERF_SAMPLE_RAW

Peter Zijlstra
2010-03-04T14:01:57Z

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Expose the full PEBS record using PERF_SAMPLE_RAW

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
---
arch/x86/kernel/cpu/perf_event_intel_ds.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)

Index: linux-2.6/arch/x86/kernel/cpu/perf_event_intel_ds.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ linux-2.6/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -457,6 +457,7 @@ static void intel_pmu_drain_pebs_core(st
struct perf_event *event = cpuc->events[0]; /* PMC0 only */
struct pebs_record_core *at, *top;
struct perf_sample_data data;
+ struct perf_raw_record raw;
struct pt_regs regs;
int n;

@@ -490,6 +491,12 @@ static void intel_pmu_drain_pebs_core(st
at += n-1;
}

+ if (event->attr.sample_type & PERF_SAMPLE_RAW) {
+ raw.size = x86_pmu.pebs_record_size;
+ raw.data = at;
+ data.raw = &raw;
+ }
+
/*
* We use the interrupt regs as a base because the PEBS record
* does not contain a full regs set, specifically it seems to
@@ -524,6 +531,7 @@ static void intel_pmu_drain_pebs_nhm(str
struct pebs_record_nhm *at, *top;
struct perf_sample_data data;
struct perf_event *event = NULL;
+ struct perf_raw_record raw;
struct pt_regs regs;
int bit, n;

@@ -572,6 +580,12 @@ static void intel_pmu_drain_pebs_nhm(str
perf_sample_data_init(&data, 0);
data.period = event->hw.last_period;

+ if (event->attr.sample_type & PERF_SAMPLE_RAW) {
+ raw.size = x86_pmu.pebs_record_size;
+ raw.data = at;
+ data.raw = &raw;
+ }
+
/*
* See the comment in intel_pmu_drain_pebs_core()
*/

--