Merge remote-tracking branch 'remotes/vsementsov/tags/pull-simplebench-2021-05-04' into staging

scripts/simplebench improvements for 2021-05-04

# gpg: Signature made Tue 04 May 2021 09:45:15 BST
#

Merge remote-tracking branch 'remotes/vsementsov/tags/pull-simplebench-2021-05-04' into staging

scripts/simplebench improvements for 2021-05-04

# gpg: Signature made Tue 04 May 2021 09:45:15 BST
# gpg: using RSA key 8B9C26CDB2FD147C880E86A1561F24C1F19F79FB
# gpg: Good signature from "Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 8B9C 26CD B2FD 147C 880E 86A1 561F 24C1 F19F 79FB

* remotes/vsementsov/tags/pull-simplebench-2021-05-04:
MAINTAINERS: update Benchmark util: add git tree
simplebench/bench-backup: add --drop-caches argument
simplebench/bench-backup: add --count and --no-initial-run
simplebench/bench-backup: support qcow2 source files
simplebench/bench_block_job: handle error in BLOCK_JOB_COMPLETED
simplebench/bench-backup: add target-cache argument
simplebench/bench-backup: add --compressed option
simplebench: bench_one(): support count=1
simplebench: bench_one(): add slow_limit argument

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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simplebench/bench-backup: add --drop-caches argument

Add an option to drop caches before each test run. It may probably
improve reliability of results when testing in cached mode.

Signed-off-by: Vl

simplebench/bench-backup: add --drop-caches argument

Add an option to drop caches before each test run. It may probably
improve reliability of results when testing in cached mode.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>

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simplebench/bench-backup: add --count and --no-initial-run

Add arguments to set number of test runs per table cell and to disable
initial run that is not counted in results.

It's convenient to set

simplebench/bench-backup: add --count and --no-initial-run

Add arguments to set number of test runs per table cell and to disable
initial run that is not counted in results.

It's convenient to set --count 1 --no-initial-run to fast run test
onece, and to set --count to some large enough number for good
precision of the results.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>

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simplebench/bench-backup: support qcow2 source files

Add support for qcow2 source. New option says to use test-source.qcow2
instead of test-source. Of course, test-source.qcow2 should be
precreated.

simplebench/bench-backup: support qcow2 source files

Add support for qcow2 source. New option says to use test-source.qcow2
instead of test-source. Of course, test-source.qcow2 should be
precreated.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>

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simplebench/bench-backup: add target-cache argument

Allow benchmark with different kinds of target cache.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Sn

simplebench/bench-backup: add target-cache argument

Allow benchmark with different kinds of target cache.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>

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simplebench/bench-backup: add --compressed option

Allow bench compressed backup.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>

Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2021-01-26' into staging

Block patches:
- Make backup block jobs use asynchronous requests with the block-copy
module
- Use COR filte

Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2021-01-26' into staging

Block patches:
- Make backup block jobs use asynchronous requests with the block-copy
module
- Use COR filter node for stream block jobs
- Make coroutine-sigaltstack’s qemu_coroutine_new() function thread-safe
- Report error string when file locking fails with an unexpected errno
- iotest fixes, additions, and some refactoring

# gpg: Signature made Tue 26 Jan 2021 14:16:59 GMT
# gpg: using RSA key 91BEB60A30DB3E8857D11829F407DB0061D5CF40
# gpg: issuer "mreitz@redhat.com"
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>" [full]
# Primary key fingerprint: 91BE B60A 30DB 3E88 57D1 1829 F407 DB00 61D5 CF40

* remotes/maxreitz/tags/pull-block-2021-01-26: (53 commits)
iotests/178: Pass value to invalid option
iotests/118: Drop 'change' test
iotests: Add test for the regression fixed in c8bf9a9169
block: report errno when flock fcntl fails
simplebench: add bench-backup.py
simplebench: bench_block_job: add cmd_options argument
simplebench/bench_block_job: use correct shebang line with python3
block/block-copy: drop unused argument of block_copy()
block/block-copy: drop unused block_copy_set_progress_callback()
qapi: backup: disable copy_range by default
backup: move to block-copy
block/backup: drop extra gotos from backup_run()
block/block-copy: make progress_bytes_callback optional
iotests: 257: prepare for backup over block-copy
iotests: 219: prepare for backup over block-copy
iotests: 185: prepare for backup over block-copy
iotests/129: Limit backup's max-chunk/max-workers
iotests: 56: prepare for backup over block-copy
qapi: backup: add max-chunk and max-workers to x-perf struct
job: call job_enter from job_pause
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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simplebench: add bench-backup.py

Add script to benchmark new backup architecture.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210116214705.822267-24-vsemen

simplebench: add bench-backup.py

Add script to benchmark new backup architecture.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210116214705.822267-24-vsementsov@virtuozzo.com>
[mreitz: s/not unsupported/not supported/]
Signed-off-by: Max Reitz <mreitz@redhat.com>

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