| # This requires aio headers to build. |
| # Should work automagically out of deps now. |
| import os |
| from autotest_lib.client.bin import test, utils |
| |
| |
| class aiostress(test.test): |
| version = 3 |
| |
| def initialize(self): |
| self.job.require_gcc() |
| self.job.setup_dep(['libaio']) |
| ldflags = '-L ' + self.autodir + '/deps/libaio/lib' |
| cflags = '-I ' + self.autodir + '/deps/libaio/include' |
| self.gcc_flags = ldflags + ' ' + cflags |
| |
| |
| # ftp://ftp.suse.com/pub/people/mason/utils/aio-stress.c |
| def setup(self, tarball = None): |
| os.mkdir(self.srcdir) |
| os.chdir(self.srcdir) |
| utils.system('cp ' + self.bindir+'/aio-stress.c .') |
| os.chdir(self.srcdir) |
| self.gcc_flags += ' -Wall -lpthread -laio' |
| cmd = 'gcc ' + self.gcc_flags + ' aio-stress.c -o aio-stress' |
| utils.system(cmd) |
| |
| |
| def run_once(self, args = ''): |
| os.chdir(self.tmpdir) |
| libs = self.autodir+'/deps/libaio/lib/' |
| ld_path = utils.prepend_path(libs, |
| utils.environ('LD_LIBRARY_PATH')) |
| var_ld_path = 'LD_LIBRARY_PATH=' + ld_path |
| cmd = self.srcdir + '/aio-stress ' + args + ' poo' |
| |
| stderr = os.path.join(self.debugdir, 'stderr') |
| utils.system('%s %s 2> %s' % (var_ld_path, cmd, stderr)) |
| report = open(stderr) |
| self.format_results(report) |
| |
| |
| def format_results(self, report): |
| for line in report: |
| if 'threads' in line: |
| if 'files' in line: |
| if 'contexts' in line: |
| break |
| |
| keyval = {} |
| for line in report: |
| line = line.split(')')[0] |
| key, value = line.split('(') |
| key = key.strip().replace(' ', '_') |
| value = value.split()[0] |
| keyval[key] = value |
| |
| self.write_perf_keyval(keyval) |
| |
| """ |
| file size 1024MB, record size 64KB, depth 64, ios per iteration 8 |
| max io_submit 8, buffer alignment set to 4KB |
| threads 1 files 1 contexts 1 context offset 2MB verification off |
| write on poo (245.77 MB/s) 1024.00 MB in 4.17s |
| thread 0 write totals (55.86 MB/s) 1024.00 MB in 18.33s |
| read on poo (1311.54 MB/s) 1024.00 MB in 0.78s |
| thread 0 read totals (1307.66 MB/s) 1024.00 MB in 0.78s |
| random write on poo (895.47 MB/s) 1024.00 MB in 1.14s |
| thread 0 random write totals (18.42 MB/s) 1024.00 MB in 55.59s |
| random read on poo (1502.89 MB/s) 1024.00 MB in 0.68s |
| thread 0 random read totals (1474.36 MB/s) 1024.00 MB in 0.69s |
| """ |
