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From: Max Reitz <mreitz@redhat.com>
To: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>,
	qemu-block@nongnu.org
Cc: fam@euphon.net, kwolf@redhat.com, den@virtuozzo.com,
	qemu-devel@nongnu.org, armbru@redhat.com, stefanha@redhat.com
Subject: Re: [PATCH v7 21/21] scripts/simplebench: add bench_prealloc.py
Date: Fri, 13 Nov 2020 20:32:23 +0100	[thread overview]
Message-ID: <1198adee-f7b7-79b2-904c-39d16f290547@redhat.com> (raw)
In-Reply-To: <6ecf486b-3faa-c940-5923-746f71a5cd29@virtuozzo.com>

On 13.11.20 19:00, Vladimir Sementsov-Ogievskiy wrote:
> 13.11.2020 19:24, Max Reitz wrote:
>> 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>
>>
> 
> 
> Thanks for reviewing! Could you take this all through you tree?

Sure, if you can live with the fact that I’ll be on PTO for the next two 
weeks :)

(Shouldn’t matter for block-next, as 5.2 won’t be released until December.)

Max



  reply	other threads:[~2020-11-13 19:33 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-21 14:58 [PATCH v7 00/21] preallocate filter Vladimir Sementsov-Ogievskiy
2020-10-21 14:58 ` [PATCH v7 01/21] block: simplify comment to BDRV_REQ_SERIALISING Vladimir Sementsov-Ogievskiy
2020-10-21 14:58 ` [PATCH v7 02/21] block/io.c: drop assertion on double waiting for request serialisation Vladimir Sementsov-Ogievskiy
2020-10-21 14:58 ` [PATCH v7 03/21] block/io: split out bdrv_find_conflicting_request Vladimir Sementsov-Ogievskiy
2020-10-21 14:58 ` [PATCH v7 04/21] block/io: bdrv_wait_serialising_requests_locked: drop extra bs arg Vladimir Sementsov-Ogievskiy
2020-10-21 14:58 ` [PATCH v7 05/21] block: bdrv_mark_request_serialising: split non-waiting function Vladimir Sementsov-Ogievskiy
2020-10-21 14:58 ` [PATCH v7 06/21] block: introduce BDRV_REQ_NO_WAIT flag Vladimir Sementsov-Ogievskiy
2020-10-21 14:58 ` [PATCH v7 07/21] block: bdrv_check_perm(): process children anyway Vladimir Sementsov-Ogievskiy
2020-11-13 13:59   ` Max Reitz
2020-10-21 14:58 ` [PATCH v7 08/21] block: introduce preallocate filter Vladimir Sementsov-Ogievskiy
2020-11-13 14:32   ` Max Reitz
2020-11-13 15:46     ` Vladimir Sementsov-Ogievskiy
2020-10-21 14:58 ` [PATCH v7 09/21] qemu-io: add preallocate mode parameter for truncate command Vladimir Sementsov-Ogievskiy
2020-10-21 14:58 ` [PATCH v7 10/21] iotests: qemu_io_silent: support --image-opts Vladimir Sementsov-Ogievskiy
2020-10-21 14:58 ` [PATCH v7 11/21] iotests.py: execute_setup_common(): add required_fmts argument Vladimir Sementsov-Ogievskiy
2020-11-13 14:42   ` Max Reitz
2020-10-21 14:58 ` [PATCH v7 12/21] iotests: add 298 to test new preallocate filter driver Vladimir Sementsov-Ogievskiy
2020-11-13 14:43   ` Max Reitz
2020-10-21 14:58 ` [PATCH v7 13/21] scripts/simplebench: fix grammar: s/successed/succeeded/ Vladimir Sementsov-Ogievskiy
2020-11-13 14:44   ` Max Reitz
2020-10-21 14:58 ` [PATCH v7 14/21] scripts/simplebench: support iops Vladimir Sementsov-Ogievskiy
2020-11-13 15:02   ` Max Reitz
2020-10-21 14:58 ` [PATCH v7 15/21] scripts/simplebench: use standard deviation for +- error Vladimir Sementsov-Ogievskiy
2020-11-13 15:30   ` Max Reitz
2020-10-21 14:58 ` [PATCH v7 16/21] simplebench: rename ascii() to results_to_text() Vladimir Sementsov-Ogievskiy
2020-11-13 15:31   ` Max Reitz
2020-10-21 14:58 ` [PATCH v7 17/21] simplebench: move results_to_text() into separate file Vladimir Sementsov-Ogievskiy
2020-11-13 15:39   ` Max Reitz
2020-10-21 14:58 ` [PATCH v7 18/21] simplebench/results_to_text: improve view of the table Vladimir Sementsov-Ogievskiy
2020-11-13 15:59   ` Max Reitz
2020-11-13 16:24     ` Vladimir Sementsov-Ogievskiy
2020-10-21 14:58 ` [PATCH v7 19/21] simplebench/results_to_text: add difference line to " Vladimir Sementsov-Ogievskiy
2020-10-24 10:24   ` Vladimir Sementsov-Ogievskiy
2020-11-13 16:21   ` Max Reitz
2020-10-21 14:58 ` [PATCH v7 20/21] simplebench/results_to_text: make executable Vladimir Sementsov-Ogievskiy
2020-11-13 16:22   ` Max Reitz
2020-10-21 14:58 ` [PATCH v7 21/21] scripts/simplebench: add bench_prealloc.py Vladimir Sementsov-Ogievskiy
2020-11-13 16:24   ` Max Reitz
2020-11-13 18:00     ` Vladimir Sementsov-Ogievskiy
2020-11-13 19:32       ` Max Reitz [this message]
2020-11-13 19:33 ` [PATCH v7 00/21] preallocate filter Max Reitz
2020-11-16  9:32   ` Vladimir Sementsov-Ogievskiy

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