def testJsonTraceMerging(self):
update_systrace_trace_viewer.update(force_update=True)
self.assertTrue(os.path.exists(
update_systrace_trace_viewer.SYSTRACE_TRACE_VIEWER_HTML_FILE))
t1 = "{'traceEvents': [{'ts': 123, 'ph': 'b'}]}"
t2 = "{'traceEvents': [], 'stackFrames': ['blah']}"
results = [trace_result.TraceResult('a', t1),
trace_result.TraceResult('b', t2)]
merged_results = output_generator.MergeTraceResultsIfNeeded(results)
for r in merged_results:
if r.source_name == 'a':
self.assertEquals(r.raw_data, t1)
elif r.source_name == 'b':
self.assertEquals(r.raw_data, t2)
self.assertEquals(len(merged_results), len(results))
os.remove(update_systrace_trace_viewer.SYSTRACE_TRACE_VIEWER_HTML_FILE)
def _GetResults(trace_results, controller, output, compress, write_json,
interval):
ui.PrintMessage('Downloading...')
# Wait for the trace file to get written.
time.sleep(1)
for agent in controller.get_child_agents:
if isinstance(agent, chrome_tracing_agent.ChromeTracingAgent):
time.sleep(interval / 4)
# Ignore the systraceController because it will not contain any results,
# instead being in charge of collecting results.
trace_results = [
x for x in controller.all_results
if not (x.source_name == 'systraceController')
]
if not trace_results:
ui.PrintMessage('No results')
return ''
result = None
trace_results = output_generator.MergeTraceResultsIfNeeded(trace_results)
if not write_json:
ui.PrintMessage('Writing trace HTML...')
html_file = output or trace_results[0].source_name + '.html'
result = output_generator.GenerateHTMLOutput(trace_results, html_file)
ui.PrintMessage('\nWrote file://%s' % result)
elif compress and len(trace_results) == 1:
result = output or trace_results[0].source_name + '.gz'
util.WriteDataToCompressedFile(trace_results[0].raw_data, result)
elif len(trace_results) > 1:
result = (output
or 'chrome-combined-trace-%s.zip' % util.GetTraceTimestamp())
util.ArchiveData(trace_results, result)
elif output:
result = output
with open(result, 'wb') as f:
f.write(trace_results[0].raw_data)
else:
result = trace_results[0].source_name
with open(result, 'wb') as f:
f.write(trace_results[0].raw_data)
return result
def _GetResults(agents, output, compress, write_json, interval):
ui.PrintMessage('Downloading...', eol='')
# Wait for the trace file to get written.
time.sleep(1)
trace_results = []
for agent in agents:
if isinstance(agent, chrome_tracing_agent.ChromeTracingAgent):
time.sleep(interval / 4)
trace_results.append(agent.GetResults())
if not trace_results:
ui.PrintMessage('No results')
return ''
result = None
trace_results = output_generator.MergeTraceResultsIfNeeded(trace_results)
if not write_json:
print 'Writing trace HTML'
html_file = trace_results[0].source_name + '.html'
result = output_generator.GenerateHTMLOutput(trace_results, html_file)
print '\nWrote file://%s\n' % result
elif compress and len(trace_results) == 1:
result = output or trace_results[0].source_name + '.gz'
util.WriteDataToCompressedFile(trace_results[0].raw_data, result)
elif len(trace_results) > 1:
result = (output
or 'chrome-combined-trace-%s.zip' % util.GetTraceTimestamp())
util.ArchiveData(trace_results, result)
elif output:
result = output
with open(result, 'wb') as f:
f.write(trace_results[0].raw_data)
else:
result = trace_results[0].source_name
with open(result, 'wb') as f:
f.write(trace_results[0].raw_data)
return result
