mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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7269846617
Update using the new data [1] for these changes:
* Scale some metrics like dtlb_walk_ratio to percent so they display
better with Perf's 2 dp precision
* Description typos, grammar and clarifications
* Unnecessary metric formula brackets seem to have been removed in the
source but this is not a functional change
* New sve_all_percentage metric
The following command was used to generate this commit:
$ telemetry-solution/tools/perf_json_generator/generate.py \
tools/perf/ --telemetry-files \
telemetry-solution/data/pmu/cpu/neoverse/neoverse-v2.json:neoverse-n2-v2
[1]: https://gitlab.arm.com/telemetry-solution/telemetry-solution/-/blob/main/data/pmu/cpu/neoverse/neoverse-v2.json
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: James Clark <james.clark@linaro.org>
Cc: Adrian Hunter <adrian.hunter@intel.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.g.garry@oracle.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linux.dev>
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/20241120143739.243728-1-james.clark@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
31 lines
2.3 KiB
JSON
31 lines
2.3 KiB
JSON
[
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{
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"ArchStdEvent": "SW_INCR",
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"PublicDescription": "Counts software writes to the PMSWINC_EL0 (software PMU increment) register. The PMSWINC_EL0 register is a manually updated counter for use by application software.\n\nThis event could be used to measure any user program event, such as accesses to a particular data structure (by writing to the PMSWINC_EL0 register each time the data structure is accessed).\n\nTo use the PMSWINC_EL0 register and event, developers must insert instructions that write to the PMSWINC_EL0 register into the source code.\n\nSince the SW_INCR event records writes to the PMSWINC_EL0 register, there is no need to do a read/increment/write sequence to the PMSWINC_EL0 register."
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},
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{
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"ArchStdEvent": "INST_RETIRED",
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"PublicDescription": "Counts instructions that have been architecturally executed."
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},
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{
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"ArchStdEvent": "CID_WRITE_RETIRED",
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"PublicDescription": "Counts architecturally executed writes to the CONTEXTIDR_EL1 register, which usually contain the kernel PID and can be output with hardware trace."
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},
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{
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"ArchStdEvent": "TTBR_WRITE_RETIRED",
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"PublicDescription": "Counts architectural writes to TTBR0/1_EL1. If virtualization host extensions are enabled (by setting the HCR_EL2.E2H bit to 1), then accesses to TTBR0/1_EL1 that are redirected to TTBR0/1_EL2, or accesses to TTBR0/1_EL12, are counted. TTBRn registers are typically updated when the kernel is swapping user-space threads or applications."
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},
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{
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"ArchStdEvent": "BR_RETIRED",
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"PublicDescription": "Counts architecturally executed branches, whether the branch is taken or not. Instructions that explicitly write to the PC are also counted. Note that exception generating instructions, exception return instructions and context synchronization instructions are not counted."
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},
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{
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"ArchStdEvent": "BR_MIS_PRED_RETIRED",
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"PublicDescription": "Counts branches counted by BR_RETIRED which were mispredicted and caused a pipeline flush."
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},
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{
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"ArchStdEvent": "OP_RETIRED",
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"PublicDescription": "Counts micro-operations that are architecturally executed. This is a count of number of micro-operations retired from the commit queue in a single cycle."
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}
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]
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