From bdab18633a302c82b5e5d5dbc4e38b0baf9c0837 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sun, 20 Sep 2026 08:15:23 -0700 Subject: Merge tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull futex fix from Ingo Molnar: - Also allocate a default private futex hash on vfork() as well, to avoid races with (private) futex waiters (Peter Zijlstra) * tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: futex: Also allocate private hash on vfork() --- tools/perf/util/stream.h | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 tools/perf/util/stream.h (limited to 'tools/perf/util/stream.h') diff --git a/tools/perf/util/stream.h b/tools/perf/util/stream.h new file mode 100644 index 000000000..50f7e6e04 --- /dev/null +++ b/tools/perf/util/stream.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PERF_STREAM_H +#define __PERF_STREAM_H + +struct callchain_node; +struct evlist; +struct evsel; + +struct stream { + struct callchain_node *cnode; + struct callchain_node *pair_cnode; +}; + +struct evsel_streams { + struct stream *streams; + const struct evsel *evsel; + int nr_streams_max; + int nr_streams; + u64 streams_hits; +}; + +struct evlist_streams { + struct evsel_streams *ev_streams; + int nr_evsel; +}; + +void evlist_streams__delete(struct evlist_streams *els); + +struct evlist_streams *evlist__create_streams(struct evlist *evlist, + int nr_streams_max); + +struct evsel_streams *evsel_streams__entry(struct evlist_streams *els, + const struct evsel *evsel); + +void evsel_streams__match(struct evsel_streams *es_base, + struct evsel_streams *es_pair); + +void evsel_streams__report(struct evsel_streams *es_base, + struct evsel_streams *es_pair); + +#endif /* __PERF_STREAM_H */ -- cgit v1.3.1