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author | Jiri Olsa <jolsa@kernel.org> | 2019-08-16 16:00:45 +0200 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-09-25 09:51:49 -0300 |
commit | f4009e7bf7ba3375cb00e33ca901d61a5acd6c2b (patch) | |
tree | 39c9d85deaa50b92880f4d0cc2f5ebdce2d2c286 /tools/perf/util/evlist.c | |
parent | 31f67fc462a9e5df3b900924c2bf649c7bc63af8 (diff) | |
download | linux-f4009e7bf7ba3375cb00e33ca901d61a5acd6c2b.tar.gz linux-f4009e7bf7ba3375cb00e33ca901d61a5acd6c2b.tar.bz2 linux-f4009e7bf7ba3375cb00e33ca901d61a5acd6c2b.zip |
libperf: Add perf_evlist__add_pollfd() function
Move perf_evlist__add_pollfd() from tools/perf to libperf, it will be
used in the following patches.
Also rename perf's perf_evlist__add_pollfd()/perf_evlist__filter_pollfd()
to evlist__add_pollfd()/evlist__filter_pollfd().
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lore.kernel.org/lkml/20190913132355.21634-38-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evlist.c')
-rw-r--r-- | tools/perf/util/evlist.c | 25 |
1 files changed, 4 insertions, 21 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index c47f23e7f3c8..051be9a31db9 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -398,26 +398,9 @@ int perf_evlist__enable_event_idx(struct evlist *evlist, return perf_evlist__enable_event_thread(evlist, evsel, idx); } -static int __perf_evlist__add_pollfd(struct evlist *evlist, int fd, - struct mmap *map, short revent) +int evlist__add_pollfd(struct evlist *evlist, int fd) { - int pos = fdarray__add(&evlist->core.pollfd, fd, revent | POLLERR | POLLHUP); - /* - * Save the idx so that when we filter out fds POLLHUP'ed we can - * close the associated evlist->mmap[] entry. - */ - if (pos >= 0) { - evlist->core.pollfd.priv[pos].ptr = map; - - fcntl(fd, F_SETFL, O_NONBLOCK); - } - - return pos; -} - -int perf_evlist__add_pollfd(struct evlist *evlist, int fd) -{ - return __perf_evlist__add_pollfd(evlist, fd, NULL, POLLIN); + return perf_evlist__add_pollfd(&evlist->core, fd, NULL, POLLIN); } static void perf_evlist__munmap_filtered(struct fdarray *fda, int fd, @@ -429,7 +412,7 @@ static void perf_evlist__munmap_filtered(struct fdarray *fda, int fd, perf_mmap__put(map); } -int perf_evlist__filter_pollfd(struct evlist *evlist, short revents_and_mask) +int evlist__filter_pollfd(struct evlist *evlist, short revents_and_mask) { return fdarray__filter(&evlist->core.pollfd, revents_and_mask, perf_evlist__munmap_filtered, NULL); @@ -708,7 +691,7 @@ static int evlist__mmap_per_evsel(struct evlist *evlist, int idx, * Therefore don't add it for polling. */ if (!evsel->core.system_wide && - __perf_evlist__add_pollfd(evlist, fd, &maps[idx], revent) < 0) { + perf_evlist__add_pollfd(&evlist->core, fd, &maps[idx], revent) < 0) { perf_mmap__put(&maps[idx]); return -1; } |