blob: 5db8198be91c8ab28cf5de2edd51cfea9b60ff33 [file] [log] [blame]
# Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import subprocess
from autotest_lib.client.bin import test
from autotest_lib.client.common_lib import error
class platform_Quipper(test.test):
Collects perf data and convert it to a protobuf. Verifies that quipper
completes successfully and that the output is nonzero.
version = 1
def _get_quipper_command(self, duration, perf_options):
return ('quipper', str(duration), 'perf', 'record', '-a') + \
def _get_perf_command(self, duration, perf_options):
return ('perf', 'record', '-a') + perf_options + \
('--', 'sleep', str(duration))
def run_once(self):
See test description.
duration = 2
# These are the various perf command options to add to
# |quipper_command_base|, for a wide range of commands to test.
quipper_command_options = (
# Basic cycle-based profile.
('-e', 'cycles'),
# Set a custom sampling frequency.
('-e', 'cycles', '-F', '3011'),
# Set a custom sampling period.
('-e', 'cycles', '-c', '2000003'),
# Test various events.
('-e', 'cycles,instructions,branch-misses,cache-misses'),
# Test callgraph.
('-e', 'cycles', '-g'),
# Test callgraph and raw data.
('-e', 'cycles', '-g', '-R'),
# Test LBR.
('-e', 'cycles', '-b'),
# Test LBR, callgraph, and raw data.
('-e', 'cycles', '-b', '-g', '-R'),
keyvals = {}
# Run quipper with each of the options.
for options in quipper_command_options:
result = ""
# Try running the associated perf command first.
perf_command = self._get_perf_command(duration, options)
# Generate a full quipper command by joining the base command
# and various perf options.
quipper_command = self._get_quipper_command(duration, options)
quipper_command_string = ' '.join(quipper_command)
result = subprocess.check_output(perf_command)
except subprocess.CalledProcessError:
# If the perf command fails, don't test quipper. But record that
# it was skipped.
keyvals['command'] = '(' + quipper_command_string + ')'
keyvals['result_length'] = '(skipped)'
result = subprocess.check_output(quipper_command,
except subprocess.CalledProcessError:
raise error.TestFail('Error running command: ' +
# Write keyvals.
keyvals['command'] = quipper_command_string;
keyvals['result_length'] = len(result)
# Verify the output size.
if len(result) == 0:
raise error.TestFail('Got no result data from quipper.')