70 lines
2.7 KiB
Python
70 lines
2.7 KiB
Python
# Copyright 2016 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import time
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import common
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from autotest_lib.client.common_lib import error
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from autotest_lib.server import test
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# Process to kill for log-generation purposes.
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TARGET_PROCESS = '/system/bin/mediaserver'
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# Number of seconds to wait for host.run commands to timeout.
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COMMAND_TIMEOUT_SECONDS = 10
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# Number of times to try to kill the process.
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KILL_RETRIES = 10
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# Number of times to retry the command the find command to find logs.
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LOG_FIND_RETRIES = 5
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class android_CrashLogging(test.test):
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"""Confirm that crash logs are generated for native crashes."""
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version = 1
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def run_once(self, host=None):
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"""Confirm that crash logs are generated for crashes.
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@param host: host object representing the device under test.
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"""
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if host is None:
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raise error.TestFail('android_Crashlogging test executed without '
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'a host')
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self.host = host
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# Remove any pre-existing tombstones.
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self.host.run('rm /data/tombstones/tombstone_*',
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timeout=COMMAND_TIMEOUT_SECONDS, ignore_status=True)
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# Find and kill a process.
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result = self.host.run('pgrep %s' % TARGET_PROCESS,
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timeout=COMMAND_TIMEOUT_SECONDS,
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ignore_status=True)
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pid = result.stdout.strip()
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if result.exit_status != 0 or not len(pid):
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raise error.TestFail('No %s process found to kill' % TARGET_PROCESS)
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for _ in xrange(KILL_RETRIES):
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status = self.host.run('kill -SIGSEGV %s' % pid,
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timeout=COMMAND_TIMEOUT_SECONDS,
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ignore_status=True).exit_status
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if status != 0:
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break
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logs = None
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for _ in xrange(LOG_FIND_RETRIES):
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try:
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logs = self.host.run_output(
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'find /data/tombstones -maxdepth 1 -type f',
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timeout=COMMAND_TIMEOUT_SECONDS).split()
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except (error.GenericHostRunError, error.AutoservSSHTimeout,
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error.CmdTimeoutError):
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raise error.TestFail('No crash logs were created because of a '
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'host error or because the directory '
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'where crash logs are written to does not '
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'exist on the DUT.')
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if logs:
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break
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time.sleep(1)
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if not logs:
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raise error.TestFail('No crash logs were created.')
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