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#!/usr/bin/env python
import subprocess as sp
from runtest import TestBase
END=999999999.999999999
# when uftrace record used a time filter, it sets a default option to apply it
# to replay (mostly for schedule events). But it clashed with a time range
# option. This test output should not have other events like 'schedule'.
class TestCase(TestBase):
def __init__(self):
TestBase.__init__(self, 'sleep', """
# TIMESTAMP FUNCTION
310743.877593890 | main() {
310743.877593950 | foo() {
310743.877594592 | bar() {
310743.877594652 | usleep() {
uftrace stopped tracing with remaining functions
================================================
task: 16676
[3] usleep
[2] bar
[1] foo
[0] main
""", sort='simple')
def prerun(self, timeout):
global END
# record with a time filter
self.subcmd = 'record'
self.option = '-t 1ms'
record_cmd = self.runcmd()
record_cmd.replace('--no-event', '')
sp.call(record_cmd.split())
# find timestamp of function 'usleep'
self.subcmd = 'replay'
self.option = '-f time'
replay_cmd = self.runcmd()
p = sp.Popen(replay_cmd, shell=True, stdout=sp.PIPE, stderr=sp.PIPE)
r = p.communicate()[0].decode(errors='ignore')
END = r.split('\n')[4].split()[0] # skip header, main, foo and bar (= 4)
p.wait()
TS1 = r.split('\n')[6].split()[0] # next, next line after usleep
f = open('uftrace.data/extern.dat', 'w')
f.write("%s %s\n" % (TS1, 'external message'))
f.close()
return TestBase.TEST_SUCCESS
def setup(self):
# replay with time range
self.subcmd = 'replay'
self.option = '-f time -r ~%s' % END
def runcmd(self):
cmd = TestBase.runcmd(self)
return cmd.replace('--no-event', '')
def sort(self, output):
result = []
for ln in output.split('\n'):
# ignore blank lines and task id
if ln.strip() == '' or ln.startswith('task:'):
continue
func = ln.split('|', 1)[-1]
result.append(func)
return '\n'.join(result)
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