diff options
Diffstat (limited to 'scripts/simplebench/bench-backup.py')
| -rwxr-xr-x | scripts/simplebench/bench-backup.py | 95 |
1 files changed, 78 insertions, 17 deletions
diff --git a/scripts/simplebench/bench-backup.py b/scripts/simplebench/bench-backup.py index 33a1ecfefa..5a0675c593 100755 --- a/scripts/simplebench/bench-backup.py +++ b/scripts/simplebench/bench-backup.py @@ -23,7 +23,7 @@ import json import simplebench from results_to_text import results_to_text -from bench_block_job import bench_block_copy, drv_file, drv_nbd +from bench_block_job import bench_block_copy, drv_file, drv_nbd, drv_qcow2 def bench_func(env, case): @@ -37,29 +37,56 @@ def bench_func(env, case): def bench(args): test_cases = [] - sources = {} - targets = {} - for d in args.dir: - label, path = d.split(':') # paths with colon not supported - sources[label] = drv_file(path + '/test-source') - targets[label] = drv_file(path + '/test-target') + # paths with colon not supported, so we just split by ':' + dirs = dict(d.split(':') for d in args.dir) + nbd_drv = None 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 + nbd_drv = drv_nbd(host, port) for t in args.test: src, dst = t.split(':') - test_cases.append({ - 'id': t, - 'source': sources[src], - 'target': targets[dst] - }) + if src == 'nbd' and dst == 'nbd': + raise ValueError("Can't use 'nbd' label for both src and dst") + + if (src == 'nbd' or dst == 'nbd') and not nbd_drv: + raise ValueError("'nbd' label used but --nbd is not given") + + if src == 'nbd': + source = nbd_drv + elif args.qcow2_sources: + source = drv_qcow2(drv_file(dirs[src] + '/test-source.qcow2')) + else: + source = drv_file(dirs[src] + '/test-source') + + if dst == 'nbd': + test_cases.append({'id': t, 'source': source, 'target': nbd_drv}) + continue + + if args.target_cache == 'both': + target_caches = ['direct', 'cached'] + else: + target_caches = [args.target_cache] + + for c in target_caches: + o_direct = c == 'direct' + fname = dirs[dst] + '/test-target' + if args.compressed: + fname += '.qcow2' + target = drv_file(fname, o_direct=o_direct) + if args.compressed: + target = drv_qcow2(target) + + test_id = t + if args.target_cache == 'both': + test_id += f'({c})' + + test_cases.append({'id': test_id, 'source': source, + 'target': target}) binaries = [] # list of (<label>, <path>, [<options>]) for i, q in enumerate(args.env): @@ -106,6 +133,13 @@ def bench(args): elif opt.startswith('max-workers='): x_perf['max-workers'] = int(opt.split('=')[1]) + backup_options = {} + if x_perf: + backup_options['x-perf'] = x_perf + + if args.compressed: + backup_options['compress'] = True + if is_mirror: assert not x_perf test_envs.append({ @@ -117,11 +151,13 @@ def bench(args): test_envs.append({ 'id': f'backup({label})\n' + '\n'.join(opts), 'cmd': 'blockdev-backup', - 'cmd-options': {'x-perf': x_perf} if x_perf else {}, + 'cmd-options': backup_options, 'qemu-binary': path }) - result = simplebench.bench(bench_func, test_envs, test_cases, count=3) + result = simplebench.bench(bench_func, test_envs, test_cases, + count=args.count, initial_run=args.initial_run, + drop_caches=args.drop_caches) with open('results.json', 'w') as f: json.dump(result, f, indent=4) print(results_to_text(result)) @@ -163,5 +199,30 @@ default port 10809). Use it in tests, label is "nbd" p.add_argument('--test', nargs='+', help='''\ Tests, in form source-dir-label:target-dir-label''', action=ExtendAction) + p.add_argument('--compressed', help='''\ +Use compressed backup. It automatically means +automatically creating qcow2 target with +lazy_refcounts for each test run''', action='store_true') + p.add_argument('--qcow2-sources', help='''\ +Use test-source.qcow2 images as sources instead of +test-source raw images''', action='store_true') + p.add_argument('--target-cache', help='''\ +Setup cache for target nodes. Options: + direct: default, use O_DIRECT and aio=native + cached: use system cache (Qemu default) and aio=threads (Qemu default) + both: generate two test cases for each src:dst pair''', + default='direct', choices=('direct', 'cached', 'both')) + + p.add_argument('--count', type=int, default=3, help='''\ +Number of test runs per table cell''') + + # BooleanOptionalAction helps to support --no-initial-run option + p.add_argument('--initial-run', action=argparse.BooleanOptionalAction, + help='''\ +Do additional initial run per cell which doesn't count in result, +default true''') + + p.add_argument('--drop-caches', action='store_true', help='''\ +Do "sync; echo 3 > /proc/sys/vm/drop_caches" before each test run''') bench(p.parse_args()) |