Fix perf cmdline

8 years ago · 95ca017ce8
parent 39401798c3
commit 95ca017ce8
1 changed files with 1 additions and 1 deletions
--- a/tools/profiling/microbenchmark/bm.py
+++ b/tools/profiling/microbenchmark/bm.py
@ -90,7 +90,7 @@ for bm_name in sys.argv[1:]:
       'CONFIG=mutrace', '-j', '%d' % multiprocessing.cpu_count()])
  for line in subprocess.check_output(['bins/mutrace/%s' % bm_name,
                                       '--benchmark_list_tests']).splitlines():
-    subprocess.check_call(['sudo', 'perf', 'record', '-g', '-F', '99',
+    subprocess.check_call(['sudo', 'perf', 'record', '-g', '-c', '1000',
                           'bins/mutrace/%s' % bm_name,
                           '--benchmark_filter=^%s$' % line,
                           '--benchmark_min_time=20'])