Messages in this thread Patch in this message | | | Date | Wed, 13 Mar 2024 22:58:01 -0700 | Subject | [PATCH v3 2/2] perf jevents: Add cycles breakdown metric for arm64/AMD/Intel | From | Ian Rogers <> |
| |
Breakdown cycles to user, kernel and guest. Add a common_metrics.py file for such metrics.
Signed-off-by: Ian Rogers <irogers@google.com> --- tools/perf/pmu-events/amd_metrics.py | 3 +++ tools/perf/pmu-events/arm64_metrics.py | 2 ++ tools/perf/pmu-events/common_metrics.py | 18 ++++++++++++++++++ tools/perf/pmu-events/intel_metrics.py | 2 ++ 4 files changed, 25 insertions(+) create mode 100644 tools/perf/pmu-events/common_metrics.py
diff --git a/tools/perf/pmu-events/amd_metrics.py b/tools/perf/pmu-events/amd_metrics.py index bc70743c2f11..f14f65ccea2f 100755 --- a/tools/perf/pmu-events/amd_metrics.py +++ b/tools/perf/pmu-events/amd_metrics.py @@ -4,6 +4,7 @@ from metric import (d_ratio, has_event, max, Event, JsonEncodeMetric, JsonEncodeMetricGroupDescriptions, Literal, LoadEvents, Metric, MetricGroup, Select) import argparse +from common_metrics import Cycles import json import math import os @@ -571,6 +572,7 @@ def AmdUpc() -> Metric: return Metric("upc", "Micro-ops retired per core cycle (higher is better)", upc, "uops/cycle") + def Idle() -> Metric: cyc = Event("msr/mperf/") tsc = Event("msr/tsc/") @@ -652,6 +654,7 @@ def main() -> None: AmdHwpf(), AmdSwpf(), AmdUpc(), + Cycles(), Idle(), Rapl(), UncoreL3(), diff --git a/tools/perf/pmu-events/arm64_metrics.py b/tools/perf/pmu-events/arm64_metrics.py index 53615ffa8d96..a9ef51a9112a 100755 --- a/tools/perf/pmu-events/arm64_metrics.py +++ b/tools/perf/pmu-events/arm64_metrics.py @@ -3,6 +3,7 @@ from metric import (d_ratio, Event, JsonEncodeMetric, JsonEncodeMetricGroupDescriptions, LoadEvents, Metric, MetricGroup) import argparse +from common_metrics import Cycles import json import os from typing import Optional @@ -168,6 +169,7 @@ def main() -> None: all_metrics = MetricGroup("",[ Arm64Topdown(), + Cycles(), ]) directory = f"{_args.events_path}/arm64/{_args.vendor}/{_args.model}/" diff --git a/tools/perf/pmu-events/common_metrics.py b/tools/perf/pmu-events/common_metrics.py new file mode 100644 index 000000000000..74c58f9ab020 --- /dev/null +++ b/tools/perf/pmu-events/common_metrics.py @@ -0,0 +1,18 @@ +# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) +from metric import (d_ratio, Event, Metric, MetricGroup) + +def Cycles() -> MetricGroup: + cyc_k = Event("cycles:kHh") + cyc_g = Event("cycles:G") + cyc_u = Event("cycles:uH") + cyc = cyc_k + cyc_g + cyc_u + + return MetricGroup("cycles", [ + Metric("cycles_total", "Total number of cycles", cyc, "cycles"), + Metric("cycles_user", "User cycles as a percentage of all cycles", + d_ratio(cyc_u, cyc), "100%"), + Metric("cycles_kernel", "Kernel cycles as a percentage of all cycles", + d_ratio(cyc_k, cyc), "100%"), + Metric("cycles_guest", "Hypervisor guest cycles as a percentage of all cycles", + d_ratio(cyc_g, cyc), "100%"), + ], description = "cycles breakdown per privilege level (users, kernel, guest)") diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events/intel_metrics.py index 778517968b4e..f8c4eb29d4f6 100755 --- a/tools/perf/pmu-events/intel_metrics.py +++ b/tools/perf/pmu-events/intel_metrics.py @@ -4,6 +4,7 @@ from metric import (d_ratio, has_event, max, CheckPmu, Event, JsonEncodeMetric, JsonEncodeMetricGroupDescriptions, Literal, LoadEvents, Metric, MetricConstraint, MetricGroup, MetricRef, Select) import argparse +from common_metrics import Cycles import json import math import os @@ -1027,6 +1028,7 @@ def main() -> None: LoadEvents(directory) all_metrics = MetricGroup("", [ + Cycles(), Idle(), Rapl(), Smi(), -- 2.44.0.278.ge034bb2e1d-goog
| |