Messages in this thread | | | Date | Thu, 29 Feb 2024 16:30:12 -0500 | Subject | Re: [PATCH v1 13/20] perf jevents: Add cycles breakdown metric for Intel | From | "Liang, Kan" <> |
| |
On 2024-02-28 7:17 p.m., Ian Rogers wrote: > Breakdown cycles to user, kernel and guest. > > Signed-off-by: Ian Rogers <irogers@google.com> > --- > tools/perf/pmu-events/intel_metrics.py | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/tools/perf/pmu-events/intel_metrics.py b/tools/perf/pmu-events/intel_metrics.py > index dae44d296861..fef40969a4b8 100755 > --- a/tools/perf/pmu-events/intel_metrics.py > +++ b/tools/perf/pmu-events/intel_metrics.py > @@ -26,6 +26,23 @@ core_cycles = Event("CPU_CLK_UNHALTED.THREAD_P_ANY", > smt_cycles = Select(core_cycles / 2, Literal("#smt_on"), core_cycles) > > > +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)") > + > + > def Idle() -> Metric: > cyc = Event("msr/mperf/") > tsc = Event("msr/tsc/") > @@ -770,6 +787,7 @@ def IntelLdSt() -> Optional[MetricGroup]: > > > all_metrics = MetricGroup("", [ > + Cycles(),
The metric group seem exactly the same on AMD and ARM. Maybe we can have tools/perf/pmu-events/common_metrics.py for all the common metrics.
Thanks, Kan
> Idle(), > Rapl(), > Smi(),
| |