#
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# SPDX-License-Identifier: MIT
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#
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import os
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import sys
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import json
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import errno
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import datetime
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import itertools
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from .commands import runCmd
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class BaseDumper(object):
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""" Base class to dump commands from host/target """
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def __init__(self, cmds, parent_dir):
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self.cmds = []
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# Some testing doesn't inherit testimage, so it is needed
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# to set some defaults.
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self.parent_dir = parent_dir
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self.dump_dir = parent_dir
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dft_cmds = """ top -bn1
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iostat -x -z -N -d -p ALL 20 2
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ps -ef
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free
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df
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memstat
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dmesg
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ip -s link
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netstat -an"""
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if not cmds:
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cmds = dft_cmds
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for cmd in cmds.split('\n'):
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cmd = cmd.lstrip()
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if not cmd or cmd[0] == '#':
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continue
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self.cmds.append(cmd)
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def create_dir(self, dir_suffix):
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dump_subdir = ("%s_%s" % (
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datetime.datetime.now().strftime('%Y%m%d%H%M'),
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dir_suffix))
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dump_dir = os.path.join(self.parent_dir, dump_subdir)
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try:
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os.makedirs(dump_dir)
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except OSError as err:
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if err.errno != errno.EEXIST:
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raise err
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self.dump_dir = dump_dir
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def _construct_filename(self, command):
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if isinstance(self, HostDumper):
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prefix = "host"
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elif isinstance(self, TargetDumper):
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prefix = "target"
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elif isinstance(self, MonitorDumper):
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prefix = "qmp"
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else:
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prefix = "unknown"
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for i in itertools.count():
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filename = "%s_%02d_%s" % (prefix, i, command)
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fullname = os.path.join(self.dump_dir, filename)
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if not os.path.exists(fullname):
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break
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return fullname
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def _write_dump(self, command, output):
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fullname = self._construct_filename(command)
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if isinstance(self, MonitorDumper):
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with open(fullname, 'w') as json_file:
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json.dump(output, json_file, indent=4)
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else:
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with open(fullname, 'w') as dump_file:
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dump_file.write(output)
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class HostDumper(BaseDumper):
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""" Class to get dumps from the host running the tests """
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def __init__(self, cmds, parent_dir):
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super(HostDumper, self).__init__(cmds, parent_dir)
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def dump_host(self, dump_dir=""):
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if dump_dir:
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self.dump_dir = dump_dir
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env = os.environ.copy()
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env['PATH'] = '/usr/sbin:/sbin:/usr/bin:/bin'
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env['COLUMNS'] = '9999'
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for cmd in self.cmds:
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result = runCmd(cmd, ignore_status=True, env=env)
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self._write_dump(cmd.split()[0], result.output)
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class TargetDumper(BaseDumper):
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""" Class to get dumps from target, it only works with QemuRunner """
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def __init__(self, cmds, parent_dir, runner):
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super(TargetDumper, self).__init__(cmds, parent_dir)
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self.runner = runner
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def dump_target(self, dump_dir=""):
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if dump_dir:
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self.dump_dir = dump_dir
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for cmd in self.cmds:
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# We can continue with the testing if serial commands fail
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try:
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(status, output) = self.runner.run_serial(cmd)
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self._write_dump(cmd.split()[0], output)
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except:
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print("Tried to dump info from target but "
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"serial console failed")
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print("Failed CMD: %s" % (cmd))
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class MonitorDumper(BaseDumper):
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""" Class to get dumps via the Qemu Monitor, it only works with QemuRunner """
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def __init__(self, cmds, parent_dir, runner):
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super(MonitorDumper, self).__init__(cmds, parent_dir)
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self.runner = runner
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def dump_monitor(self, dump_dir=""):
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if self.runner is None:
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return
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if dump_dir:
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self.dump_dir = dump_dir
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for cmd in self.cmds:
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cmd_name = cmd.split()[0]
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try:
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if len(cmd.split()) > 1:
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cmd_args = cmd.split()[1]
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if "%s" in cmd_args:
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filename = self._construct_filename(cmd_name)
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cmd_data = json.loads(cmd_args % (filename))
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output = self.runner.run_monitor(cmd_name, cmd_data)
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else:
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output = self.runner.run_monitor(cmd_name)
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self._write_dump(cmd_name, output)
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except Exception as e:
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print("Failed to dump QMP CMD: %s with\nException: %s" % (cmd_name, e))
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