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perf vendor events arm64: AmpereOne: Mark affected STALL_* events impacted by errata

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Per errata AC03_CPU_29, STALL_SLOT_FRONTEND, STALL_FRONTEND, and STALL
events are not counting as expected. The follow up metrics patch will
include correct way to calculate the impacted events.

Reviewed-by: John Garry <john.g.garry@oracle.com>
Signed-off-by: Ilkka Koskinen <ilkka@os.amperecomputing.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Dave Kleikamp <dave.kleikamp@oracle.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.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>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20230803211331.140553-3-ilkka@os.amperecomputing.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ilkka Koskinen 2023-08-03 14:13:29 -07:00 committed by Arnaldo Carvalho de Melo
parent b8af10062d
commit 47715f2b62
1 changed files with 9 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
tools/perf/pmu-events/arch/arm64/ampere/ampereone/pipeline.json
View file

@ -1,18 +1,24 @@
[
{
"ArchStdEvent": "STALL_FRONTEND"
"ArchStdEvent": "STALL_FRONTEND",
"Errata": "Errata AC03_CPU_29",
"BriefDescription": "Impacted by errata, use metrics instead -"
},
{
"ArchStdEvent": "STALL_BACKEND"
},
{
"ArchStdEvent": "STALL"
"ArchStdEvent": "STALL",
"Errata": "Errata AC03_CPU_29",
"BriefDescription": "Impacted by errata, use metrics instead -"
},
{
"ArchStdEvent": "STALL_SLOT_BACKEND"
},
{
"ArchStdEvent": "STALL_SLOT_FRONTEND"
"ArchStdEvent": "STALL_SLOT_FRONTEND",
"Errata": "Errata AC03_CPU_29",
"BriefDescription": "Impacted by errata, use metrics instead -"
},
{
"ArchStdEvent": "STALL_SLOT"