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[PATCH v2 2/8] simplebench: bench_one(): support count=1
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[PATCH v2 2/8] simplebench: bench_one(): support count=1 |
Date: |
Thu, 4 Mar 2021 13:17:32 +0300 |
statistics.stdev raises if sequence length is less than two. Support
that case by hand.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
scripts/simplebench/simplebench.py | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/scripts/simplebench/simplebench.py
b/scripts/simplebench/simplebench.py
index b153cae274..712e1f845b 100644
--- a/scripts/simplebench/simplebench.py
+++ b/scripts/simplebench/simplebench.py
@@ -92,7 +92,10 @@ def bench_one(test_func, test_env, test_case, count=5,
initial_run=True,
dim = 'seconds'
result['dimension'] = dim
result['average'] = statistics.mean(r[dim] for r in succeeded)
- result['stdev'] = statistics.stdev(r[dim] for r in succeeded)
+ if len(succeeded) == 1:
+ result['stdev'] = 0
+ else:
+ result['stdev'] = statistics.stdev(r[dim] for r in succeeded)
if len(succeeded) < count:
result['n-failed'] = count - len(succeeded)
--
2.29.2
- [PATCH v2 0/8] simplebench improvements, Vladimir Sementsov-Ogievskiy, 2021/03/04
- [PATCH v2 5/8] simplebench/bench_block_job: handle error in BLOCK_JOB_COMPLETED, Vladimir Sementsov-Ogievskiy, 2021/03/04
- [PATCH v2 2/8] simplebench: bench_one(): support count=1,
Vladimir Sementsov-Ogievskiy <=
- [PATCH v2 6/8] simplebench/bench-backup: support qcow2 source files, Vladimir Sementsov-Ogievskiy, 2021/03/04
- [PATCH v2 3/8] simplebench/bench-backup: add --compressed option, Vladimir Sementsov-Ogievskiy, 2021/03/04
- [PATCH v2 7/8] simplebench/bench-backup: add --count and --no-initial-run, Vladimir Sementsov-Ogievskiy, 2021/03/04
- [PATCH v2 4/8] simplebench/bench-backup: add target-cache argument, Vladimir Sementsov-Ogievskiy, 2021/03/04
- [PATCH v2 8/8] simplebench/bench_block_job: drop caches before test run, Vladimir Sementsov-Ogievskiy, 2021/03/04