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authorJiri Olsa <jolsa@kernel.org>2019-10-07 14:53:31 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-10-10 12:54:35 -0300
commit230662e15ed6cc63ecf72ed1bffa3cadef486850 (patch)
tree6b55a75867bbf3b3bcd78d1c87b95f55bb591abc /tools/perf/lib
parent285aaeac8c5d537b56b70169e21ac29ae5caa8e1 (diff)
libperf: Move the pollfd allocation from tools/perf to libperf
It's needed in libperf only, so move it to the perf_evlist__mmap_ops() function. 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 <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20191007125344.14268-24-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/lib')
-rw-r--r--tools/perf/lib/evlist.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c
index f9a802d2ceb5..5ae1da97d2e6 100644
--- a/tools/perf/lib/evlist.c
+++ b/tools/perf/lib/evlist.c
@@ -34,6 +34,7 @@ void perf_evlist__init(struct perf_evlist *evlist)
INIT_HLIST_HEAD(&evlist->heads[i]);
INIT_LIST_HEAD(&evlist->entries);
evlist->nr_entries = 0;
+ fdarray__init(&evlist->pollfd, 64);
}
static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
@@ -114,6 +115,7 @@ void perf_evlist__delete(struct perf_evlist *evlist)
return;
perf_evlist__munmap(evlist);
+ fdarray__exit(&evlist->pollfd);
free(evlist);
}
@@ -525,6 +527,9 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist,
return -ENOMEM;
}
+ if (evlist->pollfd.entries == NULL && perf_evlist__alloc_pollfd(evlist) < 0)
+ return -ENOMEM;
+
if (perf_cpu_map__empty(cpus))
return mmap_per_thread(evlist, ops, mp);