def test_numa(args):
"""Test how NUMA architecture affects the filebench performance.
"""
CPU_CONFS = ['0-23', '0-11,24-35', '0-5,12-17,24-29,36-41',
'0-2,6-8,12-14,18-20,24-26,30-32,36-38,42-44']
ndisks = args.disks
ndirs = args.dirs
nproc = 48
# Prepare output disk
check_point = create_checkpoint('numa_checkpoint.log', 'filebench_numa')
test_conf = {
'test': 'numa',
'filesystems': args.formats,
'workloads': args.workloads,
'iteration': args.iteration,
'ndisks': ndisks,
'ndirs': ndirs,
'mount_options': 'noatime,nodirtime',
}
mfsbase.dump_configure(test_conf,
os.path.join(check_point.outdir, 'testmeta.txt'))
steps = 0
for fs in args.formats.split(','):
for wl in args.workloads.split(','):
for cpus in CPU_CONFS:
set_cpus.set_cpus(cpus)
for i in range(args.iteration):
steps += 1
if check_point.should_skip(steps):
continue
check_point.start()
output_prefix = '{}/numa_{}_{}_{}_{}_{}_{}'.format(
check_point.outdir, fs, wl, ndisks, ndirs, cpus, i)
print('Run NUMA test on CPUs {} for iteration {}'
.format(cpus, i))
retry = args.retry
while retry:
prepare_disks('ramdisks', ndisks, ndirs, fs=fs,
no_journal=args.no_journal)
if run_filebench(wl, ndisks=ndisks, ndirs=ndirs,
nprocs=nproc,
threads=1, output=output_prefix,
events=args.events,
vmlinux=args.vmlinux,
kallsyms=args.kallsyms,
no_profile=args.no_profile):
break
print('Failed to execute run_filebench')
retry -= 1
if not retry:
set_cpus.reset()
return False
check_point.done()
set_cpus.reset()
return True
def run_filebench(workload, **kwargs):
"""Run filebench.
"""
ndisks = kwargs.get('ndisks', 4)
ndirs = kwargs.get('ndirs', 1)
basedir = kwargs.get('basedir', 'ramdisks')
cpus = kwargs.get('cpus', '')
nprocs = kwargs.get('nprocs', 1)
nthreads = kwargs.get('nthreads', 1)
output = kwargs.get('output', 'filebench')
no_profile = kwargs.get('no_profile', False)
affinity = kwargs.get('affinity', False)
if cpus:
set_cpus.set_cpus(cpus)
lockstat = None
procstat = None
perf = None
if not no_profile:
lockstat = mfsbase.LockstatProfiler()
procstat = mfsbase.ProcStatProfiler()
perf = mfsbase.PerfProfiler(perf=PERF, **kwargs)
else:
lockstat = mfsbase.NonProfiler()
procstat = mfsbase.NonProfiler()
perf = mfsbase.NonProfiler()
lockstat.start()
procstat.start()
result_file = output + '_results.txt'
cmd = '{} run -w {} --disks {} --dirs {} -b {} -p {} -t {} -o {}' \
.format(__file__, workload, ndisks, ndirs, basedir, nprocs, nthreads,
result_file)
if affinity:
cmd += ' --affinity'
print(cmd)
perf.start(cmd)
procstat.stop()
lockstat.stop()
# Move PerfProfile.stop() to the last because it generates hunders of MBs
# logs, which has significant impact to procstat and lockstat accuracy.
perf.stop()
if cpus:
set_cpus.reset()
procstat.dump(output + '_cpustat.txt')
lockstat.dump(output + '_lockstat.txt')
perf.dump(output + '_perf.txt')
osutil.umount_all('ramdisks')
return True
def test_cpu_scale(args):
"""Run benchmark with different active CPUs.
"""
ndisks = 1
ndirs = 1
no_journal = args.no_journal
check_point = checkpoint.Checkpoint('cpu_checkpoint.log')
output_dir = ''
if check_point.outdir:
output_dir = check_point.outdir
else:
now = datetime.now()
output_dir = 'filebench_cpuscale_' + now.strftime('%Y_%m_%d_%H_%M')
if os.path.exists(output_dir):
shutil.rmtree(output_dir)
os.makedirs(output_dir)
check_point.set_outdir(output_dir)
test_conf = {
'test': 'cpu_scale',
'filesystems': args.formats,
'workloads': args.workloads,
'iteration': args.iteration,
'processes': str(list(range(4, 96, 12))),
'ndisks': ndisks,
'ndirs': ndirs,
'mount_options': 'noatime,nodirtime',
}
mfsbase.dump_configure(test_conf, os.path.join(output_dir, 'testmeta.txt'))
steps = 0
nproc = args.process
for fs in args.formats.split(','):
for wl in args.workloads.split(','):
for ncpus in map(int, args.cpus):
cpus = "0-{}".format(ncpus - 1)
print('CPU scale test: cpus: {}, fs: {}, workload: {}'.format(
cpus, fs, wl))
set_cpus.set_cpus(cpus)
for i in range(args.iteration):
steps += 1
if check_point.should_skip(steps):
continue
check_point.start()
retry = args.retry
print('Run CPU scalability test')
output_prefix = '{}/cpuscale_{}_{}_{}_{}_{}_{}'.format(
output_dir, fs, wl, ndisks, ndirs, ncpus, i)
while retry:
prepare_disks('ramdisks', ndisks, ndirs, fs=fs,
no_journal=no_journal)
if not run_filebench(wl, ndisks=ndisks, ndirs=ndirs,
nprocs=nproc,
threads=1, output=output_prefix,
events=args.events,
vmlinux=args.vmlinux,
kallsyms=args.kallsyms,
no_profile=args.no_profile):
# set_cpus.reset()
print('Failed to execute run_filebench')
retry -= 1
continue
break
if retry > 0:
check_point.done()
else:
set_cpus.reset()
return False
set_cpus.reset()
return True