Re: [PATCH v6 15/15] scripts/simplebench: add bench_prealloc.py

2020-09-25 Thread Max Reitz
On 18.09.20 20:19, Vladimir Sementsov-Ogievskiy wrote: > Benchmark for new preallocate filter. > > Example usage: > ./bench_prealloc.py ../../build/qemu-img \ > ssd-ext4:/path/to/mount/point \ > ssd-xfs:/path2 hdd-ext4:/path3 hdd-xfs:/path4 > > The benchmark shows performance

[PATCH v6 15/15] scripts/simplebench: add bench_prealloc.py

2020-09-18 Thread Vladimir Sementsov-Ogievskiy
Benchmark for new preallocate filter. Example usage: ./bench_prealloc.py ../../build/qemu-img \ ssd-ext4:/path/to/mount/point \ ssd-xfs:/path2 hdd-ext4:/path3 hdd-xfs:/path4 The benchmark shows performance improvement (or degradation) when use new preallocate filter with qcow2