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-rwxr-xr-xtools/profiling/microbenchmarks/bm_diff.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/profiling/microbenchmarks/bm_diff.py b/tools/profiling/microbenchmarks/bm_diff.py
index 9f85d47ab4..a20b46342d 100755
--- a/tools/profiling/microbenchmarks/bm_diff.py
+++ b/tools/profiling/microbenchmarks/bm_diff.py
@@ -86,6 +86,7 @@ assert args.diff_base
def collect1(bm, cfg, ver):
subprocess.check_call(['make', 'clean'])
+ subprocess.check_call(['git', 'submodule', 'update'])
subprocess.check_call(
['make', bm,
'CONFIG=%s' % cfg, '-j', '%d' % multiprocessing.cpu_count()])