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+#!/usr/bin/env python3
+#
+# Bench backup block-job
+#
+# Copyright (c) 2020 Virtuozzo International GmbH.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import argparse
+import simplebench
+from bench_block_job import bench_block_copy, drv_file, drv_nbd
+
+
+def bench_func(env, case):
+ """ Handle one "cell" of benchmarking table. """
+ cmd_options = env['cmd-options'] if 'cmd-options' in env else {}
+ return bench_block_copy(env['qemu-binary'], env['cmd'],
+ cmd_options,
+ case['source'], case['target'])
+
+
+def bench(args):
+ test_cases = []
+
+ sources = {}
+ targets = {}
+ for d in args.dir:
+ label, path = d.split(':')
+ sources[label] = drv_file(path + '/test-source')
+ targets[label] = drv_file(path + '/test-target')
+
+ if args.nbd:
+ nbd = args.nbd.split(':')
+ host = nbd[0]
+ port = '10809' if len(nbd) == 1 else nbd[1]
+ drv = drv_nbd(host, port)
+ sources['nbd'] = drv
+ targets['nbd'] = drv
+
+ for t in args.test:
+ src, dst = t.split(':')
+
+ test_cases.append({
+ 'id': t,
+ 'source': sources[src],
+ 'target': targets[dst]
+ })
+
+ binaries = []
+ upstream = None
+ for i, q in enumerate(args.qemu):
+ name_path = q.split(':')
+ if len(name_path) == 1:
+ binaries.append((f'q{i}', name_path[0]))
+ else:
+ binaries.append((name_path[0], name_path[1]))
+ if name_path[0] == 'upstream' or name_path[0] == 'master':
+ upstream = binaries[-1]
+
+ test_envs = []
+ if upstream:
+ label, path = upstream
+ test_envs.append({
+ 'id': f'mirror({label})',
+ 'cmd': 'blockdev-mirror',
+ 'qemu-binary': path
+ })
+
+ for label, path in binaries:
+ test_envs.append({
+ 'id': f'backup({label})',
+ 'cmd': 'blockdev-backup',
+ 'qemu-binary': path
+ })
+ test_envs.append({
+ 'id': f'backup({label}, no-copy-range)',
+ 'cmd': 'blockdev-backup',
+ 'cmd-options': {'x-use-copy-range': False},
+ 'qemu-binary': path
+ })
+ if label == 'new':
+ test_envs.append({
+ 'id': f'backup({label}, copy-range-1w)',
+ 'cmd': 'blockdev-backup',
+ 'cmd-options': {'x-use-copy-range': True,
+ 'x-max-workers': 1},
+ 'qemu-binary': path
+ })
+
+ result = simplebench.bench(bench_func, test_envs, test_cases, count=3)
+ print(simplebench.ascii(result))
+
+
+class ExtendAction(argparse.Action):
+ def __call__(self, parser, namespace, values, option_string=None):
+ items = getattr(namespace, self.dest) or []
+ items.extend(values)
+ setattr(namespace, self.dest, items)
+
+
+if __name__ == '__main__':
+ p = argparse.ArgumentParser('Backup benchmark')
+ p.add_argument('--qemu', nargs='+', help='Qemu binaries to compare, just '
+ 'file path with label, like label:/path/to/qemu. Qemu '
+ 'labeled "new" should support x-max-workers argument for '
+ 'backup job, labeled "upstream" will be used also to run '
+ 'mirror benchmark for comparison.',
+ action=ExtendAction)
+ p.add_argument('--dir', nargs='+', help='Directories, each containing '
+ '"test-source" and/or "test-target" files, raw images to '
+ 'used in benchmarking. File path with label, like '
+ 'label:/path/to/directory', action=ExtendAction)
+ p.add_argument('--nbd', help='host:port for remote NBD '
+ 'image, (or just host, for default port 10809). Use it in '
+ 'tests, label is "nbd" (but you cannot create test '
+ 'nbd:nbd).')
+ p.add_argument('--test', nargs='+', help='Tests, in form '
+ 'source-dir-label:target-dir-label', action=ExtendAction)
+
+ bench(p.parse_args())
Add script to benchmark new backup architecture. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> --- scripts/simplebench/bench-backup.py | 132 ++++++++++++++++++++++++++++ 1 file changed, 132 insertions(+) create mode 100755 scripts/simplebench/bench-backup.py