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#!/usr/bin/env python3
import os
from runtest import TestBase
# there was a problem applying depth filter if it contains kernel functions
class TestCase(TestBase):
def __init__(self):
TestBase.__init__(self, 'openclose', serial=True, result="""
# DURATION TID FUNCTION
0.714 us [ 4435] | __monstartup();
0.349 us [ 4435] | __cxa_atexit();
[ 4435] | main() {
[ 4435] | fopen() {
6.413 us [ 4435] | sys_open();
7.037 us [ 4435] | } /* fopen */
[ 4435] | fclose() {
8.389 us [ 4435] | sys_close();
9.949 us [ 4435] | } /* fclose */
17.632 us [ 4435] | } /* 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 = '-K3 '
self.option += '-T ^sys_@kernel,depth=1 '
self.option += '-T ^__x64_@kernel,depth=1 '
self.option += '-T ^__arm64_@kernel,depth=1 '
self.option += '-T x64_sys_call@kernel,depth=1 '
self.option += '-N exit_to_usermode_loop@kernel '
self.option += '-N _*do_page_fault@kernel'
def fixup(self, cflags, result):
uname = os.uname()
# Later version changed syscall routines
major, minor, release = uname[2].split('.', 2)
if uname[0] == 'Linux' and uname[4] == 'x86_64':
if int(major) == 6 and int(minor) >= 9:
import re
result = re.sub(r'sys_[^( ]*', 'x64_sys_call', result)
elif int(major) >= 5 or (int(major) == 4 and int(minor) >= 17):
result = result.replace('sys_', '__x64_sys_')
if uname[0] == 'Linux' and uname[4] == 'aarch64' and \
int(major) >= 5 or (int(major) == 4 and int(minor) >= 19):
result = result.replace('sys_', '__arm64_sys_')
return result.replace(' sys_open', ' sys_openat')
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