Messages in this thread | | | Date | Wed, 3 Mar 2021 12:51:17 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH v2 1/2] libperf: Add perf_evlist__reset_id_hash() |
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Em Thu, Feb 25, 2021 at 05:12:37PM +0100, Jiri Olsa escreveu: > On Thu, Feb 25, 2021 at 12:51:47PM +0900, Namhyung Kim wrote: > > Add the perf_evlist__reset_id_hash() function as an internal function > > so that it can be called by perf to reset the hash table. This is > > necessary for perf stat to run the workload multiple times. > > > > Signed-off-by: Namhyung Kim <namhyung@kernel.org> > > for the patchset > > Acked-by: Jiri Olsa <jolsa@redhat.com>
> thanks,
Thanks, applied.
- Arnaldo
> jirka
> > > --- > > tools/lib/perf/evlist.c | 13 +++++++++---- > > tools/lib/perf/include/internal/evlist.h | 2 ++ > > 2 files changed, 11 insertions(+), 4 deletions(-) > > > > diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c > > index 17465d454a0e..a0aaf385cbb5 100644 > > --- a/tools/lib/perf/evlist.c > > +++ b/tools/lib/perf/evlist.c > > @@ -26,13 +26,10 @@ > > > > void perf_evlist__init(struct perf_evlist *evlist) > > { > > - int i; > > - > > - for (i = 0; i < PERF_EVLIST__HLIST_SIZE; ++i) > > - INIT_HLIST_HEAD(&evlist->heads[i]); > > INIT_LIST_HEAD(&evlist->entries); > > evlist->nr_entries = 0; > > fdarray__init(&evlist->pollfd, 64); > > + perf_evlist__reset_id_hash(evlist); > > } > > > > static void __perf_evlist__propagate_maps(struct perf_evlist *evlist, > > @@ -237,6 +234,14 @@ static void perf_evlist__id_hash(struct perf_evlist *evlist, > > hlist_add_head(&sid->node, &evlist->heads[hash]); > > } > > > > +void perf_evlist__reset_id_hash(struct perf_evlist *evlist) > > +{ > > + int i; > > + > > + for (i = 0; i < PERF_EVLIST__HLIST_SIZE; ++i) > > + INIT_HLIST_HEAD(&evlist->heads[i]); > > +} > > + > > void perf_evlist__id_add(struct perf_evlist *evlist, > > struct perf_evsel *evsel, > > int cpu, int thread, u64 id) > > diff --git a/tools/lib/perf/include/internal/evlist.h b/tools/lib/perf/include/internal/evlist.h > > index 2d0fa02b036f..212c29063ad4 100644 > > --- a/tools/lib/perf/include/internal/evlist.h > > +++ b/tools/lib/perf/include/internal/evlist.h > > @@ -124,4 +124,6 @@ int perf_evlist__id_add_fd(struct perf_evlist *evlist, > > struct perf_evsel *evsel, > > int cpu, int thread, int fd); > > > > +void perf_evlist__reset_id_hash(struct perf_evlist *evlist); > > + > > #endif /* __LIBPERF_INTERNAL_EVLIST_H */ > > -- > > 2.30.0.617.g56c4b15f3c-goog > > >
--
- Arnaldo
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