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#!/usr/bin/env python3
import re
from runtest import TestBase
class TestCase(TestBase):
def __init__(self):
TestBase.__init__(self, 'fork', result="""
========== TASK GRAPH ==========
# TOTAL TIME SELF TIME TID TASK NAME
16.172 ms 356.762 us [129306] : t-fork
: |
11.015 us 11.015 us [129317] : +----t-fork
""")
def prepare(self):
self.subcmd = 'record'
return self.runcmd()
def setup(self):
self.subcmd = 'graph'
self.option = '--task'
self.exearg = ''
def sort(self, output, ignored=False):
""" This function post-processes output of the test to be compared.
It ignores blank and comment (#) lines and header lines. """
result = []
for ln in output.split('\n'):
if ln.strip() == '' or ln.startswith('#'):
continue
# A graph result consists of backtrace and calling functions
if ln.startswith('========== TASK GRAPH =========='):
continue
if " : " in ln:
line = ln.split(':')[1] # remove time part
line = re.sub(r'\[\d+\]', 'TID', line)
result.append(line)
else:
result.append(ln)
return '\n'.join(result)
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