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Groups > linux.kernel > #1245398
| From | Stephane Eranian <eranian@google.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 3/4] perf/powerpc: add support for PERF_SAMPLE_BRANCH_CALL |
| Date | 2015-10-13 09:20 +0200 |
| Message-ID | <qj22l-7Ov-5@gated-at.bofh.it> (permalink) |
| References | <qj1SH-7Dx-33@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The patch catches PERF_SAMPLE_BRANCH_CALL because it is not clear whether
this is actually supported by the hardware.
Signed-off-by: Stephane Eranian <eranian@google.com>
---
arch/powerpc/perf/power8-pmu.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c
index 396351d..7d5e295 100644
--- a/arch/powerpc/perf/power8-pmu.c
+++ b/arch/powerpc/perf/power8-pmu.c
@@ -676,6 +676,9 @@ static u64 power8_bhrb_filter_map(u64 branch_sample_type)
if (branch_sample_type & PERF_SAMPLE_BRANCH_IND_CALL)
return -1;
+ if (branch_sample_type & PERF_SAMPLE_BRANCH_CALL)
+ return -1;
+
if (branch_sample_type & PERF_SAMPLE_BRANCH_ANY_CALL) {
pmu_bhrb_filter |= POWER8_MMCRA_IFM1;
return pmu_bhrb_filter;
--
1.9.1
--
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[PATCH 0/4] perf: add ability to sample direct call branches Stephane Eranian <eranian@google.com> - 2015-10-13 09:10 +0200
[PATCH 3/4] perf/powerpc: add support for PERF_SAMPLE_BRANCH_CALL Stephane Eranian <eranian@google.com> - 2015-10-13 09:20 +0200
[PATCH 4/4] perf record: add ability to sample call branches Stephane Eranian <eranian@google.com> - 2015-10-13 09:20 +0200
[PATCH 1/4] perf: add PERF_SAMPLE_BRANCH_CALL Stephane Eranian <eranian@google.com> - 2015-10-13 09:20 +0200
[PATCH 2/4] perf/x86: add support for PERF_SAMPLE_BRANCH_CALL Stephane Eranian <eranian@google.com> - 2015-10-13 09:20 +0200
Re: [PATCH 2/4] perf/x86: add support for PERF_SAMPLE_BRANCH_CALL Ingo Molnar <mingo@kernel.org> - 2015-10-13 15:50 +0200
Re: [PATCH 2/4] perf/x86: add support for PERF_SAMPLE_BRANCH_CALL Andi Kleen <ak@linux.intel.com> - 2015-10-13 17:50 +0200
Re: [PATCH 2/4] perf/x86: add support for PERF_SAMPLE_BRANCH_CALL Stephane Eranian <eranian@google.com> - 2015-10-14 02:40 +0200
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