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authorDenis Nikitin <denik@google.com>2019-09-16 15:30:05 -0700
committerDenis Nikitin <denik@chromium.org>2019-09-17 03:33:05 +0000
commit858e145b7814df072f75de33ddb888b042787081 (patch)
treed98eda252754023d1fa5d87059433b97582db352
parentf7126071737f194daa65dcfcd25154a4ba264ffd (diff)
downloadtoolchain-utils-858e145b7814df072f75de33ddb888b042787081.tar.gz
toolchain_utils: Reduce CPU freq in nightly tests
The change should provide more stable performance results on ARM devices by reducing CPU frequency below 95% of max freq. Experiments show that second from highest frequencies on kevin64 and scarlet reduce the noice on octane, aquarium and loading.desktop by 20-50%. BUG=chromium:966514 TEST=95% freq tested on scarlet and kevin64. Change-Id: I1e9d0e57bb95d48856a0d0ab564756cc1c7d3fbb Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/1806797 Reviewed-by: Tiancong Wang <tcwang@google.com> Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org> Tested-by: Denis Nikitin <denik@chromium.org>
-rwxr-xr-xbuildbot_test_toolchains.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/buildbot_test_toolchains.py b/buildbot_test_toolchains.py
index ba34f30d..6a72f3c4 100755
--- a/buildbot_test_toolchains.py
+++ b/buildbot_test_toolchains.py
@@ -158,6 +158,7 @@ class ToolchainComparator(object):
retries: 1
cooldown_temp: 40
cooldown_time: 10
+ cpu_freq_pct: 95
""" % (self._board, self._remotes)
experiment_tests = """
benchmark: all_toolchain_perf {