perf evlist: Introduce poll method for common code idiom
Since we have access two evlist members in all these poll calls, provide
a helper.
This will also help to make the patch introducing the pollfd class more
clear, as the evlist specific uses will be hiden away
perf_evlist__poll().
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-jr9d4aop4lvy9453qahbcgp0@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index e13864b..832fb52 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -964,7 +964,7 @@
perf_evlist__enable(top->evlist);
/* Wait for a minimal set of events before starting the snapshot */
- poll(top->evlist->pollfd, top->evlist->nr_fds, 100);
+ perf_evlist__poll(top->evlist, 100);
perf_top__mmap_read(top);
@@ -991,7 +991,7 @@
perf_top__mmap_read(top);
if (hits == top->samples)
- ret = poll(top->evlist->pollfd, top->evlist->nr_fds, 100);
+ ret = perf_evlist__poll(top->evlist, 100);
}
ret = 0;