Re: [PATCH v7 21/21] scripts/simplebench: add bench_prealloc.py

[Max Reitz]

On 21.10.20 16:58, 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 improvement (or degradation) when use
> new preallocate filter with qcow2 image.
>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
> ---
>   scripts/simplebench/bench_prealloc.py | 132 ++++++++++++++++++++++++++
>   1 file changed, 132 insertions(+)
>   create mode 100755 scripts/simplebench/bench_prealloc.py

Reviewed-by: Max Reitz <mreitz@redhat.com>