Messages in this thread | | | From | Namhyung Kim <> | Date | Mon, 24 Oct 2022 21:18:29 -0700 | Subject | Re: [PATCH 3/8] perf test: Use a test program in perf record tests |
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On Mon, Oct 24, 2022 at 4:33 AM Arnaldo Carvalho de Melo <acme@kernel.org> wrote: > > Em Thu, Oct 20, 2022 at 04:52:14PM -0700, Ian Rogers escreveu: > > On Thu, Oct 20, 2022 at 10:26 AM Namhyung Kim <namhyung@kernel.org> wrote: > > > > If the system has cc it could build a test program with two threads > > > and then use it for more detailed testing. Also it accepts an option > > > to run a thread forever to ensure multi-thread runs. > > > > > > If cc is not found, it falls back to use the default value 'true'. > > > > > > Signed-off-by: Namhyung Kim <namhyung@kernel.org> > > > > Acked-by: Ian Rogers <irogers@google.com> > > > > I wonder if these utilities should just be built into perf to avoid > > the cc dependency. Perhaps we can have a hidden option built into perf > > test. > > Agreed, not depending on a compiler makes 'perf test' usable in more > systems, particularly production ones where we may want to check if perf > is passing all tests applicable to that system.
Good idea.
I think we can add an option (like -w/--workload) to run the specified workload rather than executing the tests. Like below (assuming we have a workload called 'noploop'). Thoughts?
$ perf stat -- perf test -w noploop
Thanks, Namhyung
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