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#!/usr/bin/env python
from runtest import TestBase
import subprocess as sp
import os, re
TDIR = 'xxx'
TDIR2 = 'yyy'
class TestCase(TestBase):
def __init__(self):
TestBase.__init__(self, 'openclose', """
# DURATION TID FUNCTION
1.088 us [18343] | __monstartup();
0.640 us [18343] | __cxa_atexit();
[18343] | main() {
[18343] | fopen() {
86.790 us [18343] | sys_open();
89.018 us [18343] | } /* fopen */
[18343] | fclose() {
10.781 us [18343] | sys_close();
37.325 us [18343] | } /* fclose */
128.387 us [18343] | } /* main */
""")
recv_p = None
def pre(self):
if os.geteuid() != 0:
return TestBase.TEST_SKIP
if os.path.exists('/.dockerenv'):
return TestBase.TEST_SKIP
uftrace = TestBase.uftrace_cmd
program = 't-' + self.name
recv_cmd = '%s recv -d %s' % (uftrace, TDIR)
self.recv_p = sp.Popen(recv_cmd.split())
argument = '-H %s -k -d %s' % ('localhost', TDIR2)
argument += ' -N %s@kernel' % '_*do_page_fault'
record_cmd = '%s record %s %s' % (uftrace, argument, program)
sp.call(record_cmd.split())
return TestBase.TEST_SUCCESS
def runcmd(self):
return '%s replay -d %s' % (TestBase.uftrace_cmd, os.path.join(TDIR, TDIR2))
def post(self, ret):
self.recv_p.terminate()
sp.call(['rm', '-rf', TDIR])
return ret
def fixup(self, cflags, result):
uname = os.uname()
# Linux v4.17 (x86_64) changed syscall routines
major, minor, release = uname[2].split('.')
if uname[0] == 'Linux' and uname[4] == 'x86_64' and \
int(major) >= 4 and int(minor) >= 17:
return re.sub('sys_[a-zA-Z0-9_]+', 'do_syscall_64', result)
else:
return result.replace('sys_open', 'sys_openat')
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