]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/commit
perf vendor events arm64: Fix incorrect Hisi hip08 L3 metrics
authorShang XiaoJing <shangxiaojing@huawei.com>
Fri, 21 Oct 2022 10:50:33 +0000 (18:50 +0800)
committerStefan Bader <stefan.bader@canonical.com>
Mon, 28 Nov 2022 14:18:17 +0000 (15:18 +0100)
commit9ec60bf79663999876d4a1da3726295180c4dd27
treedfa3477bd7cfdcfb6a6729a7cea9a1d311fbd12c
parent91b9485dd89bb3a04488da8c51f63cd7f41c5e5a
perf vendor events arm64: Fix incorrect Hisi hip08 L3 metrics

BugLink: https://bugs.launchpad.net/bugs/1997981
[ 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 <john.garry@huawei.com>
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Acked-by: James Clark <james.clark@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
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
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
tools/perf/pmu-events/arch/arm64/hisilicon/hip08/metrics.json