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2022-01-10simplebench: Fix Python syntax error (reported by LGTM)Stefan Weil1-1/+1
Fixes: b2fcb0c5754c2554b8406376e99a75e9e0a6b7bd Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: John Snow <jsnow@redhat.com> Message-id: 20220107153019.504124-1-sw@weilnetz.de Signed-off-by: John Snow <jsnow@redhat.com>
2021-11-01iotests: Accommodate async QMP Exception classesJohn Snow1-1/+2
(But continue to support the old ones for now, too.) There are very few cases of any user of QEMUMachine or a subclass thereof relying on a QMP Exception type. If you'd like to check for yourself, you want to grep for all of the derivatives of QMPError, excluding 'AQMPError' and its derivatives. That'd be these: - QMPError - QMPConnectError - QMPCapabilitiesError - QMPTimeoutError - QMPProtocolError - QMPResponseError - QMPBadPortError Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Hanna Reitz <hreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 20211026175612.4127598-5-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2021-09-15simplebench: add img_bench_templater.pyVladimir Sementsov-Ogievskiy2-0/+157
Add simple grammar-parsing template benchmark. New tool consume test template written in bash with some special grammar injections and produces multiple tests, run them and finally print a performance comparison table of different tests produced from one template. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20210824101517.59802-2-vsementsov@virtuozzo.com> Reviewed-by: Hanna Reitz <hreitz@redhat.com> Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-05-04simplebench/bench-backup: add --drop-caches argumentVladimir Sementsov-Ogievskiy2-2/+15
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>
2021-05-04simplebench/bench-backup: add --count and --no-initial-runVladimir Sementsov-Ogievskiy1-1/+11
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>
2021-05-04simplebench/bench-backup: support qcow2 source filesVladimir Sementsov-Ogievskiy2-1/+11
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>
2021-05-04simplebench/bench_block_job: handle error in BLOCK_JOB_COMPLETEDVladimir Sementsov-Ogievskiy1-0/+4
We should not report success if there is an error in final event. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: John Snow <jsnow@redhat.com>
2021-05-04simplebench/bench-backup: add target-cache argumentVladimir Sementsov-Ogievskiy2-10/+33
Allow benchmark with different kinds of target cache. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: John Snow <jsnow@redhat.com>
2021-05-04simplebench/bench-backup: add --compressed optionVladimir Sementsov-Ogievskiy2-16/+62
Allow bench compressed backup. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2021-05-04simplebench: bench_one(): support count=1Vladimir Sementsov-Ogievskiy1-1/+4
statistics.stdev raises if sequence length is less than two. Support that case by hand. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: John Snow <jsnow@redhat.com>
2021-05-04simplebench: bench_one(): add slow_limit argumentVladimir Sementsov-Ogievskiy1-1/+13
Sometimes one of cells in a testing table runs too slow. And we really don't want to wait so long. Limit number of runs in this case. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2021-01-26simplebench: add bench-backup.pyVladimir Sementsov-Ogievskiy1-0/+167
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>
2021-01-26simplebench: bench_block_job: add cmd_options argumentVladimir Sementsov-Ogievskiy2-5/+8
Add argument to allow additional block-job options. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-Id: <20210116214705.822267-23-vsementsov@virtuozzo.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2021-01-26simplebench/bench_block_job: use correct shebang line with python3Vladimir Sementsov-Ogievskiy1-1/+1
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-Id: <20210116214705.822267-22-vsementsov@virtuozzo.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-12-18scripts/simplebench: add bench_prealloc.pyVladimir Sementsov-Ogievskiy1-0/+132
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> Message-Id: <20201021145859.11201-22-vsementsov@virtuozzo.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-12-18simplebench/results_to_text: make executableVladimir Sementsov-Ogievskiy1-0/+14
Make results_to_text a tool to dump results saved in JSON file. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20201021145859.11201-21-vsementsov@virtuozzo.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-12-18simplebench/results_to_text: add difference line to the tableVladimir Sementsov-Ogievskiy1-7/+60
Performance improvements / degradations are usually discussed in percentage. Let's make the script calculate it for us. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20201021145859.11201-20-vsementsov@virtuozzo.com> Reviewed-by: Max Reitz <mreitz@redhat.com> [mreitz: 'seconds' instead of 'secs'] Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-12-18simplebench/results_to_text: improve view of the tableVladimir Sementsov-Ogievskiy1-1/+12
Move to generic format for floats and percentage for error. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20201021145859.11201-19-vsementsov@virtuozzo.com> Acked-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-12-18simplebench: move results_to_text() into separate fileVladimir Sementsov-Ogievskiy4-33/+52
Let's keep view part in separate: this way it's better to improve it in the following commits. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20201021145859.11201-18-vsementsov@virtuozzo.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-12-18simplebench: rename ascii() to results_to_text()Vladimir Sementsov-Ogievskiy3-7/+7
Next patch will use utf8 plus-minus symbol, let's use more generic (and more readable) name. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20201021145859.11201-17-vsementsov@virtuozzo.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-12-18scripts/simplebench: use standard deviation for +- errorVladimir Sementsov-Ogievskiy1-5/+6
Standard deviation is more usual to see after +- than current maximum of deviations. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20201021145859.11201-16-vsementsov@virtuozzo.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-12-18scripts/simplebench: support iopsVladimir Sementsov-Ogievskiy1-10/+28
Support benchmarks returning not seconds but iops. We'll use it for further new test. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20201021145859.11201-15-vsementsov@virtuozzo.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-12-18scripts/simplebench: fix grammar: s/successed/succeeded/Vladimir Sementsov-Ogievskiy1-6/+6
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20201021145859.11201-14-vsementsov@virtuozzo.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-09-18scripts/simplebench: compare write request performanceAndrey Shinkevich1-0/+170
The script 'bench_write_req.py' allows comparing performances of write request for two qemu-img binary files. An example with (qemu-img binary 1) and without (qemu-img binary 2) the applied patch "qcow2: skip writing zero buffers to empty COW areas" (git commit ID: c8bb23cbdbe32f5) has the following results: SSD: ---------------- ------------------- ------------------- <qemu-img binary 1> <qemu-img binary 2> <cluster front> 0.10 +- 0.00 8.16 +- 0.65 <cluster middle> 0.10 +- 0.00 7.37 +- 1.10 <cross cluster> 7.40 +- 1.08 21.97 +- 4.19 <cluster 64K> 2.14 +- 0.94 8.48 +- 1.66 ---------------- ------------------- ------------------- HDD: ---------------- ------------------- ------------------- <qemu-img binary 1> <qemu-img binary 2> <cluster front> 2.30 +- 0.01 6.19 +- 0.06 <cluster middle> 2.20 +- 0.09 6.20 +- 0.06 <cross cluster> 8.32 +- 0.16 8.26 +- 0.14 <cluster 64K> 8.20 +- 0.05 6.26 +- 0.10 ---------------- ------------------- ------------------- Suggested-by: Denis V. Lunev <den@openvz.org> Suggested-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <1594741846-475697-1-git-send-email-andrey.shinkevich@virtuozzo.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-03-17scripts/simplebench: add example usage of simplebenchVladimir Sementsov-Ogievskiy1-0/+80
This example may be used as a template for custom benchmark. It illustrates three things to prepare: - define bench_func - define test environments (columns) - define test cases (rows) And final call of simplebench API. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com> Message-Id: <20200228071914.11746-4-vsementsov@virtuozzo.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-03-17scripts/simplebench: add qemu/bench_block_job.pyVladimir Sementsov-Ogievskiy1-0/+119
Add block-job benchmarking helper functions. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com> Message-Id: <20200228071914.11746-3-vsementsov@virtuozzo.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-03-17scripts/simplebench: add simplebench.pyVladimir Sementsov-Ogievskiy1-0/+128
Add simple benchmark table creator. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com> Message-Id: <20200228071914.11746-2-vsementsov@virtuozzo.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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