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#!/usr/bin/env python
import os
from runtest import TestBase
class TestCase(TestBase):
def __init__(self):
TestBase.__init__(self, 'openclose', serial=True, result="""
# DURATION TID FUNCTION
1.540 us [27711] | __monstartup();
1.089 us [27711] | __cxa_atexit();
[27711] | main() {
[27711] | fopen() {
[27711] | sys_open() {
12.732 us [27711] | do_sys_open();
14.039 us [27711] | } /* sys_open */
17.193 us [27711] | } /* fopen */
[27711] | fclose() {
[27711] | sys_close() {
0.591 us [27711] | __close_fd();
1.429 us [27711] | } /* sys_close */
8.028 us [27711] | } /* fclose */
26.938 us [27711] | } /* main */
""")
def prerun(self, timeout):
if os.geteuid() != 0:
return TestBase.TEST_SKIP
if os.path.exists('/.dockerenv'):
return TestBase.TEST_SKIP
return TestBase.TEST_SUCCESS
def setup(self):
self.option = '-k --kernel-depth=2 --match glob '
self.option += '-N exit_to_usermode_loop@kernel '
self.option += '-N *do_page_fault@kernel'
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) >= 5 or (int(major) == 4 and int(minor) >= 17):
result = result.replace(' sys_', ' __x64_sys_')
return result.replace(' sys_open', ' sys_openat')
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