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[PATCH v2 8/8] simplebench/bench_block_job: drop caches before test run
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From: |
Vladimir Sementsov-Ogievskiy |
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Subject: |
[PATCH v2 8/8] simplebench/bench_block_job: drop caches before test run |
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Date: |
Thu, 4 Mar 2021 13:17:38 +0300 |
It probably may improve reliability of results when testing in cached
mode.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
scripts/simplebench/bench_block_job.py | 2 ++
1 file changed, 2 insertions(+)
diff --git a/scripts/simplebench/bench_block_job.py
b/scripts/simplebench/bench_block_job.py
index 4f03c12169..fa45ad2655 100755
--- a/scripts/simplebench/bench_block_job.py
+++ b/scripts/simplebench/bench_block_job.py
@@ -53,6 +53,8 @@ def bench_block_job(cmd, cmd_args, qemu_args):
return {'error': 'qemu failed: ' + str(vm.get_log())}
try:
+ subprocess.run('sync; echo 3 > /proc/sys/vm/drop_caches', shell=True,
+ check=True)
res = vm.qmp(cmd, **cmd_args)
if res != {'return': {}}:
vm.shutdown()
--
2.29.2
- [PATCH v2 2/8] simplebench: bench_one(): support count=1, (continued)
- [PATCH v2 2/8] simplebench: bench_one(): support count=1, Vladimir Sementsov-Ogievskiy, 2021/03/04
- [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 <=
[PATCH v2 9/8] MAINTAINERS: update Benchmark util: add git tree, Vladimir Sementsov-Ogievskiy, 2021/03/04