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#!/usr/bin/env python
from runtest import TestBase
import subprocess as sp
TDIR='xxx'
START=0
class TestCase(TestBase):
def __init__(self):
TestBase.__init__(self, 'abc', """
# ELAPSED FUNCTION
4.343 us | c() {
4.447 us | getpid();
5.137 us | } /* c */
5.436 us | } /* b */
5.544 us | } /* a */
5.626 us | } /* main */
""", sort='simple')
def pre(self):
global START
record_cmd = '%s record -d %s %s' % (TestBase.uftrace_cmd, TDIR, 't-' + self.name)
sp.call(record_cmd.split())
# find timestamp of function 'c'
replay_cmd = '%s replay -d %s -f elapsed -F main' % (TestBase.uftrace_cmd, TDIR)
p = sp.Popen(replay_cmd, shell=True, stdout=sp.PIPE, stderr=sp.PIPE)
r = p.communicate()[0].decode(errors='ignore')
START, unit = r.split('\n')[4].split()[0:2] # skip header, main, a and b (= 4)
START += unit
p.wait()
return TestBase.TEST_SUCCESS
def runcmd(self):
return '%s replay -f elapsed -r %s~ -d %s' % (TestBase.uftrace_cmd, START, TDIR)
def post(self, ret):
sp.call(['rm', '-rf', TDIR])
return ret
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