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Message-ID: <CAP-5=fXdx8aKyyw8wGA-xpOTqRFakaWYyGES3nq12of-xgM=AA@mail.gmail.com>
Date: Mon, 5 Dec 2022 21:02:43 -0800
From: Ian Rogers <irogers@...gle.com>
To: Ravi Bangoria <ravi.bangoria@....com>
Cc: acme@...nel.org, kan.liang@...ux.intel.com, jolsa@...hat.com,
namhyung@...nel.org, peterz@...radead.org, mark.rutland@....com,
adrian.hunter@...el.com, alexander.shishkin@...ux.intel.com,
carsten.haitzler@....com, leo.yan@...aro.org, maddy@...ux.ibm.com,
kjain@...ux.ibm.com, atrajeev@...ux.vnet.ibm.com,
tmricht@...ux.ibm.com, linux-perf-users@...r.kernel.org,
linux-kernel@...r.kernel.org, sandipan.das@....com,
ananth.narayan@....com, santosh.shukla@....com
Subject: Re: [PATCH v3 0/2] perf test: Add event group test
On Mon, Dec 5, 2022 at 8:33 PM Ravi Bangoria <ravi.bangoria@....com> wrote:
>
> Multiple events in a group can belong to one or more pmus, however
> there are some limitations to it. One of the limitation is, perf
> doesn't allow creating a group of events from different hw pmus.
> Write a simple test to create various combinations of hw, sw and
> uncore pmu events and verify group creation succeeds or fails as
> expected.
>
> v2: https://lore.kernel.org/r/20221129111946.409-1-ravi.bangoria@amd.com
> v2->v3:
> - Define a set of uncore pmus that supports more than 3 events. This
> will prevent false negative results by not picking random uncore
> pmu. Test will be skipped if no uncore pmu found.
Acked-by: Ian Rogers <irogers@...gle.com>
Thanks!
Ian
> Ravi Bangoria (2):
> perf tool: Move pmus list variable to new a file
> perf test: Add event group test
>
> tools/perf/tests/Build | 1 +
> tools/perf/tests/builtin-test.c | 1 +
> tools/perf/tests/event_groups.c | 127 ++++++++++++++++++++++++++++++++
> tools/perf/tests/tests.h | 1 +
> tools/perf/util/Build | 1 +
> tools/perf/util/pmu.c | 2 +-
> tools/perf/util/pmus.c | 5 ++
> tools/perf/util/pmus.h | 9 +++
> 8 files changed, 146 insertions(+), 1 deletion(-)
> create mode 100644 tools/perf/tests/event_groups.c
> create mode 100644 tools/perf/util/pmus.c
> create mode 100644 tools/perf/util/pmus.h
>
> --
> 2.38.1
>
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