Commit a9ff64e5 authored by Jing Zhang's avatar Jing Zhang Committed by Arnaldo Carvalho de Melo

perf vendor events arm64: Add common topdown L1 metrics

The metrics of topdown L1 are from ARM sbsa7.0 platform design doc[0],
D37-38, which are standard. So put them in the common file sbsa.json of
arm64, so that other cores besides n2/v2 can also be reused.

[0] https://documentation-service.arm.com/static/60250c7395978b529036da86?token=Reviewed-by: default avatarJohn Garry <john.g.garry@oracle.com>
Signed-off-by: default avatarJing Zhang <renyu.zj@linux.alibaba.com>
Acked-by: default avatarIan Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andrew Kilroy <andrew.kilroy@arm.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: Shuai Xue <xueshuai@linux.alibaba.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: Zhuo Song <zhuo.song@linux.alibaba.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/1673940573-90503-4-git-send-email-renyu.zj@linux.alibaba.comSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 5b51e47a
[
{
"MetricExpr": "stall_slot_frontend / (#slots * cpu_cycles)",
"BriefDescription": "Frontend bound L1 topdown metric",
"MetricGroup": "TopdownL1",
"MetricName": "frontend_bound",
"ScaleUnit": "100%"
},
{
"MetricExpr": "(1 - op_retired / op_spec) * (1 - stall_slot / (#slots * cpu_cycles))",
"BriefDescription": "Bad speculation L1 topdown metric",
"MetricGroup": "TopdownL1",
"MetricName": "bad_speculation",
"ScaleUnit": "100%"
},
{
"MetricExpr": "(op_retired / op_spec) * (1 - stall_slot / (#slots * cpu_cycles))",
"BriefDescription": "Retiring L1 topdown metric",
"MetricGroup": "TopdownL1",
"MetricName": "retiring",
"ScaleUnit": "100%"
},
{
"MetricExpr": "stall_slot_backend / (#slots * cpu_cycles)",
"BriefDescription": "Backend Bound L1 topdown metric",
"MetricGroup": "TopdownL1",
"MetricName": "backend_bound",
"ScaleUnit": "100%"
}
]
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