[PATCH 5.15 105/132] perf vendor events arm64: Fix incorrect Hisi hip08 L3 metrics
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2022-11-02 03:10:38
Also in:
linux-patches, stable
Subsystem:
hisilicon pmu driver, performance events subsystem, performance events tooling arm64, the rest · Maintainers:
Yushan Wang, Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
From: Shang XiaoJing <redacted>
[ Upstream commit e9229d5b6254a75291536f582652c599957344d2 ]
Commit 0cc177cfc95d565e ("perf vendor events arm64: Add Hisi hip08 L3
metrics") add L3 metrics of hip08, but some metrics (IF_BP_MISP_BR_RET,
IF_BP_MISP_BR_RET, IF_BP_MISP_BR_BL) have incorrect event number due to
the mistakes in document, which caused incorrect result. Fix the
incorrect metrics.
Before:
65,811,214,308 armv8_pmuv3_0/event=0x1014/ # 18.87 push_branch
# -40.19 other_branch
3,564,316,780 BR_MIS_PRED # 0.51 indirect_branch
# 21.81 pop_branch
After:
6,537,146,245 BR_MIS_PRED # 0.48 indirect_branch
# 0.47 pop_branch
# 0.00 push_branch
# 0.05 other_branch
Fixes: 0cc177cfc95d565e ("perf vendor events arm64: Add Hisi hip08 L3 metrics")
Reviewed-by: John Garry <redacted>
Signed-off-by: Shang XiaoJing <redacted>
Acked-by: James Clark <redacted>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <redacted>
Cc: Kajol Jain <redacted>
Cc: Leo Yan <redacted>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <redacted>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20221021105035.10000-2-shangxiaojing@huawei.com (local)
Signed-off-by: Arnaldo Carvalho de Melo <redacted>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
.../perf/pmu-events/arch/arm64/hisilicon/hip08/metrics.json | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/tools/perf/pmu-events/arch/arm64/hisilicon/hip08/metrics.json b/tools/perf/pmu-events/arch/arm64/hisilicon/hip08/metrics.json
index dda8e59149d2..be23d3c89a79 100644
--- a/tools/perf/pmu-events/arch/arm64/hisilicon/hip08/metrics.json
+++ b/tools/perf/pmu-events/arch/arm64/hisilicon/hip08/metrics.json@@ -112,21 +112,21 @@ "MetricName": "indirect_branch" }, { - "MetricExpr": "(armv8_pmuv3_0@event\\=0x1014@ + armv8_pmuv3_0@event\\=0x1018@) / BR_MIS_PRED", + "MetricExpr": "(armv8_pmuv3_0@event\\=0x1013@ + armv8_pmuv3_0@event\\=0x1016@) / BR_MIS_PRED", "PublicDescription": "Push branch L3 topdown metric", "BriefDescription": "Push branch L3 topdown metric", "MetricGroup": "TopDownL3", "MetricName": "push_branch" }, { - "MetricExpr": "armv8_pmuv3_0@event\\=0x100c@ / BR_MIS_PRED", + "MetricExpr": "armv8_pmuv3_0@event\\=0x100d@ / BR_MIS_PRED", "PublicDescription": "Pop branch L3 topdown metric", "BriefDescription": "Pop branch L3 topdown metric", "MetricGroup": "TopDownL3", "MetricName": "pop_branch" }, { - "MetricExpr": "(BR_MIS_PRED - armv8_pmuv3_0@event\\=0x1010@ - armv8_pmuv3_0@event\\=0x1014@ - armv8_pmuv3_0@event\\=0x1018@ - armv8_pmuv3_0@event\\=0x100c@) / BR_MIS_PRED", + "MetricExpr": "(BR_MIS_PRED - armv8_pmuv3_0@event\\=0x1010@ - armv8_pmuv3_0@event\\=0x1013@ - armv8_pmuv3_0@event\\=0x1016@ - armv8_pmuv3_0@event\\=0x100d@) / BR_MIS_PRED", "PublicDescription": "Other branch L3 topdown metric", "BriefDescription": "Other branch L3 topdown metric", "MetricGroup": "TopDownL3",
--
2.35.1
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