mirror of
https://github.com/qemu/qemu.git
synced 2024-11-28 06:13:46 +08:00
8e979febb0
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>
117 lines
4.4 KiB
Python
117 lines
4.4 KiB
Python
#!/usr/bin/env python
|
|
#
|
|
# Simple benchmarking framework
|
|
#
|
|
# Copyright (c) 2019 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 statistics
|
|
|
|
|
|
def bench_one(test_func, test_env, test_case, count=5, initial_run=True):
|
|
"""Benchmark one test-case
|
|
|
|
test_func -- benchmarking function with prototype
|
|
test_func(env, case), which takes test_env and test_case
|
|
arguments and on success returns dict with 'seconds' or
|
|
'iops' (or both) fields, specifying the benchmark result.
|
|
If both 'iops' and 'seconds' provided, the 'iops' is
|
|
considered the main, and 'seconds' is just an additional
|
|
info. On failure test_func should return {'error': str}.
|
|
Returned dict may contain any other additional fields.
|
|
test_env -- test environment - opaque first argument for test_func
|
|
test_case -- test case - opaque second argument for test_func
|
|
count -- how many times to call test_func, to calculate average
|
|
initial_run -- do initial run of test_func, which don't get into result
|
|
|
|
Returns dict with the following fields:
|
|
'runs': list of test_func results
|
|
'dimension': dimension of results, may be 'seconds' or 'iops'
|
|
'average': average value (iops or seconds) per run (exists only if at
|
|
least one run succeeded)
|
|
'stdev': standard deviation of results
|
|
(exists only if at least one run succeeded)
|
|
'n-failed': number of failed runs (exists only if at least one run
|
|
failed)
|
|
"""
|
|
if initial_run:
|
|
print(' #initial run:')
|
|
print(' ', test_func(test_env, test_case))
|
|
|
|
runs = []
|
|
for i in range(count):
|
|
print(' #run {}'.format(i+1))
|
|
res = test_func(test_env, test_case)
|
|
print(' ', res)
|
|
runs.append(res)
|
|
|
|
result = {'runs': runs}
|
|
|
|
succeeded = [r for r in runs if ('seconds' in r or 'iops' in r)]
|
|
if succeeded:
|
|
if 'iops' in succeeded[0]:
|
|
assert all('iops' in r for r in succeeded)
|
|
dim = 'iops'
|
|
else:
|
|
assert all('seconds' in r for r in succeeded)
|
|
assert all('iops' not in r for r in succeeded)
|
|
dim = 'seconds'
|
|
result['dimension'] = dim
|
|
result['average'] = statistics.mean(r[dim] for r in succeeded)
|
|
result['stdev'] = statistics.stdev(r[dim] for r in succeeded)
|
|
|
|
if len(succeeded) < count:
|
|
result['n-failed'] = count - len(succeeded)
|
|
|
|
return result
|
|
|
|
|
|
def bench(test_func, test_envs, test_cases, *args, **vargs):
|
|
"""Fill benchmark table
|
|
|
|
test_func -- benchmarking function, see bench_one for description
|
|
test_envs -- list of test environments, see bench_one
|
|
test_cases -- list of test cases, see bench_one
|
|
args, vargs -- additional arguments for bench_one
|
|
|
|
Returns dict with the following fields:
|
|
'envs': test_envs
|
|
'cases': test_cases
|
|
'tab': filled 2D array, where cell [i][j] is bench_one result for
|
|
test_cases[i] for test_envs[j] (i.e., rows are test cases and
|
|
columns are test environments)
|
|
"""
|
|
tab = {}
|
|
results = {
|
|
'envs': test_envs,
|
|
'cases': test_cases,
|
|
'tab': tab
|
|
}
|
|
n = 1
|
|
n_tests = len(test_envs) * len(test_cases)
|
|
for env in test_envs:
|
|
for case in test_cases:
|
|
print('Testing {}/{}: {} :: {}'.format(n, n_tests,
|
|
env['id'], case['id']))
|
|
if case['id'] not in tab:
|
|
tab[case['id']] = {}
|
|
tab[case['id']][env['id']] = bench_one(test_func, env, case,
|
|
*args, **vargs)
|
|
n += 1
|
|
|
|
print('Done')
|
|
return results
|