2025cf9e19
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms and conditions of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 263 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.208660670@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1081 lines
32 KiB
Python
Executable File
1081 lines
32 KiB
Python
Executable File
#!/usr/bin/python2
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# SPDX-License-Identifier: GPL-2.0-only
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#
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# Tool for analyzing boot timing
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# Copyright (c) 2013, Intel Corporation.
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#
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# Authors:
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# Todd Brandt <todd.e.brandt@linux.intel.com>
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#
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# Description:
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# This tool is designed to assist kernel and OS developers in optimizing
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# their linux stack's boot time. It creates an html representation of
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# the kernel boot timeline up to the start of the init process.
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#
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# ----------------- LIBRARIES --------------------
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import sys
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import time
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import os
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import string
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import re
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import platform
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import shutil
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from datetime import datetime, timedelta
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from subprocess import call, Popen, PIPE
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import sleepgraph as aslib
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def pprint(msg):
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print(msg)
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sys.stdout.flush()
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# ----------------- CLASSES --------------------
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# Class: SystemValues
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# Description:
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# A global, single-instance container used to
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# store system values and test parameters
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class SystemValues(aslib.SystemValues):
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title = 'BootGraph'
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version = '2.2'
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hostname = 'localhost'
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testtime = ''
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kernel = ''
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dmesgfile = ''
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ftracefile = ''
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htmlfile = 'bootgraph.html'
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testdir = ''
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kparams = ''
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result = ''
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useftrace = False
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usecallgraph = False
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suspendmode = 'boot'
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max_graph_depth = 2
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graph_filter = 'do_one_initcall'
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reboot = False
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manual = False
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iscronjob = False
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timeformat = '%.6f'
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bootloader = 'grub'
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blexec = []
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def __init__(self):
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self.hostname = platform.node()
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self.testtime = datetime.now().strftime('%Y-%m-%d_%H:%M:%S')
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if os.path.exists('/proc/version'):
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fp = open('/proc/version', 'r')
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val = fp.read().strip()
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fp.close()
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self.kernel = self.kernelVersion(val)
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else:
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self.kernel = 'unknown'
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self.testdir = datetime.now().strftime('boot-%y%m%d-%H%M%S')
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def kernelVersion(self, msg):
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return msg.split()[2]
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def checkFtraceKernelVersion(self):
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val = tuple(map(int, self.kernel.split('-')[0].split('.')))
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if val >= (4, 10, 0):
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return True
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return False
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def kernelParams(self):
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cmdline = 'initcall_debug log_buf_len=32M'
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if self.useftrace:
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if self.cpucount > 0:
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bs = min(self.memtotal / 2, 2*1024*1024) / self.cpucount
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else:
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bs = 131072
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cmdline += ' trace_buf_size=%dK trace_clock=global '\
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'trace_options=nooverwrite,funcgraph-abstime,funcgraph-cpu,'\
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'funcgraph-duration,funcgraph-proc,funcgraph-tail,'\
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'nofuncgraph-overhead,context-info,graph-time '\
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'ftrace=function_graph '\
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'ftrace_graph_max_depth=%d '\
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'ftrace_graph_filter=%s' % \
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(bs, self.max_graph_depth, self.graph_filter)
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return cmdline
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def setGraphFilter(self, val):
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master = self.getBootFtraceFilterFunctions()
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fs = ''
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for i in val.split(','):
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func = i.strip()
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if func == '':
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doError('badly formatted filter function string')
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if '[' in func or ']' in func:
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doError('loadable module functions not allowed - "%s"' % func)
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if ' ' in func:
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doError('spaces found in filter functions - "%s"' % func)
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if func not in master:
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doError('function "%s" not available for ftrace' % func)
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if not fs:
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fs = func
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else:
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fs += ','+func
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if not fs:
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doError('badly formatted filter function string')
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self.graph_filter = fs
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def getBootFtraceFilterFunctions(self):
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self.rootCheck(True)
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fp = open(self.tpath+'available_filter_functions')
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fulllist = fp.read().split('\n')
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fp.close()
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list = []
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for i in fulllist:
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if not i or ' ' in i or '[' in i or ']' in i:
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continue
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list.append(i)
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return list
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def myCronJob(self, line):
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if '@reboot' not in line:
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return False
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if 'bootgraph' in line or 'analyze_boot.py' in line or '-cronjob' in line:
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return True
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return False
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def cronjobCmdString(self):
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cmdline = '%s -cronjob' % os.path.abspath(sys.argv[0])
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args = iter(sys.argv[1:])
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for arg in args:
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if arg in ['-h', '-v', '-cronjob', '-reboot', '-verbose']:
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continue
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elif arg in ['-o', '-dmesg', '-ftrace', '-func']:
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args.next()
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continue
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elif arg == '-result':
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cmdline += ' %s "%s"' % (arg, os.path.abspath(args.next()))
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continue
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elif arg == '-cgskip':
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file = self.configFile(args.next())
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cmdline += ' %s "%s"' % (arg, os.path.abspath(file))
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continue
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cmdline += ' '+arg
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if self.graph_filter != 'do_one_initcall':
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cmdline += ' -func "%s"' % self.graph_filter
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cmdline += ' -o "%s"' % os.path.abspath(self.testdir)
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return cmdline
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def manualRebootRequired(self):
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cmdline = self.kernelParams()
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pprint('To generate a new timeline manually, follow these steps:\n\n'\
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'1. Add the CMDLINE string to your kernel command line.\n'\
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'2. Reboot the system.\n'\
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'3. After reboot, re-run this tool with the same arguments but no command (w/o -reboot or -manual).\n\n'\
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'CMDLINE="%s"' % cmdline)
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sys.exit()
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def blGrub(self):
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blcmd = ''
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for cmd in ['update-grub', 'grub-mkconfig', 'grub2-mkconfig']:
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if blcmd:
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break
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blcmd = self.getExec(cmd)
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if not blcmd:
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doError('[GRUB] missing update command')
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if not os.path.exists('/etc/default/grub'):
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doError('[GRUB] missing /etc/default/grub')
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if 'grub2' in blcmd:
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cfg = '/boot/grub2/grub.cfg'
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else:
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cfg = '/boot/grub/grub.cfg'
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if not os.path.exists(cfg):
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doError('[GRUB] missing %s' % cfg)
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if 'update-grub' in blcmd:
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self.blexec = [blcmd]
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else:
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self.blexec = [blcmd, '-o', cfg]
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def getBootLoader(self):
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if self.bootloader == 'grub':
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self.blGrub()
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else:
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doError('unknown boot loader: %s' % self.bootloader)
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def writeDatafileHeader(self, filename):
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self.kparams = open('/proc/cmdline', 'r').read().strip()
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fp = open(filename, 'w')
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fp.write(self.teststamp+'\n')
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fp.write(self.sysstamp+'\n')
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fp.write('# command | %s\n' % self.cmdline)
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fp.write('# kparams | %s\n' % self.kparams)
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fp.close()
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sysvals = SystemValues()
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# Class: Data
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# Description:
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# The primary container for test data.
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class Data(aslib.Data):
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dmesg = {} # root data structure
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start = 0.0 # test start
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end = 0.0 # test end
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dmesgtext = [] # dmesg text file in memory
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testnumber = 0
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idstr = ''
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html_device_id = 0
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valid = False
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tUserMode = 0.0
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boottime = ''
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phases = ['kernel', 'user']
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do_one_initcall = False
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def __init__(self, num):
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self.testnumber = num
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self.idstr = 'a'
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self.dmesgtext = []
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self.dmesg = {
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'kernel': {'list': dict(), 'start': -1.0, 'end': -1.0, 'row': 0,
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'order': 0, 'color': 'linear-gradient(to bottom, #fff, #bcf)'},
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'user': {'list': dict(), 'start': -1.0, 'end': -1.0, 'row': 0,
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'order': 1, 'color': '#fff'}
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}
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def deviceTopology(self):
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return ''
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def newAction(self, phase, name, pid, start, end, ret, ulen):
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# new device callback for a specific phase
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self.html_device_id += 1
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devid = '%s%d' % (self.idstr, self.html_device_id)
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list = self.dmesg[phase]['list']
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length = -1.0
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if(start >= 0 and end >= 0):
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length = end - start
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i = 2
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origname = name
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while(name in list):
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name = '%s[%d]' % (origname, i)
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i += 1
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list[name] = {'name': name, 'start': start, 'end': end,
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'pid': pid, 'length': length, 'row': 0, 'id': devid,
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'ret': ret, 'ulen': ulen }
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return name
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def deviceMatch(self, pid, cg):
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if cg.end - cg.start == 0:
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return ''
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for p in data.phases:
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list = self.dmesg[p]['list']
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for devname in list:
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dev = list[devname]
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if pid != dev['pid']:
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continue
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if cg.name == 'do_one_initcall':
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if(cg.start <= dev['start'] and cg.end >= dev['end'] and dev['length'] > 0):
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dev['ftrace'] = cg
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self.do_one_initcall = True
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return devname
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else:
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if(cg.start > dev['start'] and cg.end < dev['end']):
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if 'ftraces' not in dev:
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dev['ftraces'] = []
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dev['ftraces'].append(cg)
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return devname
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return ''
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def printDetails(self):
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sysvals.vprint('Timeline Details:')
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sysvals.vprint(' Host: %s' % sysvals.hostname)
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sysvals.vprint(' Kernel: %s' % sysvals.kernel)
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sysvals.vprint(' Test time: %s' % sysvals.testtime)
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sysvals.vprint(' Boot time: %s' % self.boottime)
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for phase in self.phases:
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dc = len(self.dmesg[phase]['list'])
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sysvals.vprint('%9s mode: %.3f - %.3f (%d initcalls)' % (phase,
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self.dmesg[phase]['start']*1000,
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self.dmesg[phase]['end']*1000, dc))
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# ----------------- FUNCTIONS --------------------
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# Function: parseKernelLog
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# Description:
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# parse a kernel log for boot data
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def parseKernelLog():
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sysvals.vprint('Analyzing the dmesg data (%s)...' % \
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os.path.basename(sysvals.dmesgfile))
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phase = 'kernel'
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data = Data(0)
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data.dmesg['kernel']['start'] = data.start = ktime = 0.0
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sysvals.stamp = {
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'time': datetime.now().strftime('%B %d %Y, %I:%M:%S %p'),
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'host': sysvals.hostname,
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'mode': 'boot', 'kernel': ''}
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tp = aslib.TestProps()
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devtemp = dict()
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if(sysvals.dmesgfile):
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lf = open(sysvals.dmesgfile, 'r')
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else:
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lf = Popen('dmesg', stdout=PIPE).stdout
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for line in lf:
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line = line.replace('\r\n', '')
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# grab the stamp and sysinfo
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if re.match(tp.stampfmt, line):
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tp.stamp = line
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continue
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elif re.match(tp.sysinfofmt, line):
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tp.sysinfo = line
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continue
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elif re.match(tp.cmdlinefmt, line):
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tp.cmdline = line
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continue
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elif re.match(tp.kparamsfmt, line):
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tp.kparams = line
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continue
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idx = line.find('[')
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if idx > 1:
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line = line[idx:]
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m = re.match('[ \t]*(\[ *)(?P<ktime>[0-9\.]*)(\]) (?P<msg>.*)', line)
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if(not m):
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continue
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ktime = float(m.group('ktime'))
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if(ktime > 120):
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break
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msg = m.group('msg')
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data.dmesgtext.append(line)
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if(ktime == 0.0 and re.match('^Linux version .*', msg)):
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if(not sysvals.stamp['kernel']):
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sysvals.stamp['kernel'] = sysvals.kernelVersion(msg)
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continue
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m = re.match('.* setting system clock to (?P<t>.*) UTC.*', msg)
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if(m):
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bt = datetime.strptime(m.group('t'), '%Y-%m-%d %H:%M:%S')
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bt = bt - timedelta(seconds=int(ktime))
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data.boottime = bt.strftime('%Y-%m-%d_%H:%M:%S')
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sysvals.stamp['time'] = bt.strftime('%B %d %Y, %I:%M:%S %p')
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continue
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m = re.match('^calling *(?P<f>.*)\+.* @ (?P<p>[0-9]*)', msg)
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if(m):
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func = m.group('f')
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pid = int(m.group('p'))
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devtemp[func] = (ktime, pid)
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continue
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m = re.match('^initcall *(?P<f>.*)\+.* returned (?P<r>.*) after (?P<t>.*) usecs', msg)
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if(m):
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data.valid = True
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data.end = ktime
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f, r, t = m.group('f', 'r', 't')
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if(f in devtemp):
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start, pid = devtemp[f]
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data.newAction(phase, f, pid, start, ktime, int(r), int(t))
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del devtemp[f]
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continue
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if(re.match('^Freeing unused kernel memory.*', msg)):
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data.tUserMode = ktime
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data.dmesg['kernel']['end'] = ktime
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data.dmesg['user']['start'] = ktime
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phase = 'user'
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if tp.stamp:
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sysvals.stamp = 0
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tp.parseStamp(data, sysvals)
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data.dmesg['user']['end'] = data.end
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lf.close()
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return data
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# Function: parseTraceLog
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# Description:
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# Check if trace is available and copy to a temp file
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def parseTraceLog(data):
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sysvals.vprint('Analyzing the ftrace data (%s)...' % \
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os.path.basename(sysvals.ftracefile))
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# if available, calculate cgfilter allowable ranges
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cgfilter = []
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if len(sysvals.cgfilter) > 0:
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for p in data.phases:
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list = data.dmesg[p]['list']
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for i in sysvals.cgfilter:
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if i in list:
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cgfilter.append([list[i]['start']-0.0001,
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list[i]['end']+0.0001])
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# parse the trace log
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ftemp = dict()
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tp = aslib.TestProps()
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tp.setTracerType('function_graph')
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tf = open(sysvals.ftracefile, 'r')
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for line in tf:
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if line[0] == '#':
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continue
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m = re.match(tp.ftrace_line_fmt, line.strip())
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if(not m):
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continue
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m_time, m_proc, m_pid, m_msg, m_dur = \
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m.group('time', 'proc', 'pid', 'msg', 'dur')
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t = float(m_time)
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if len(cgfilter) > 0:
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allow = False
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for r in cgfilter:
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if t >= r[0] and t < r[1]:
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allow = True
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break
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if not allow:
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continue
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if t > data.end:
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break
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if(m_time and m_pid and m_msg):
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t = aslib.FTraceLine(m_time, m_msg, m_dur)
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pid = int(m_pid)
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else:
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continue
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if t.fevent or t.fkprobe:
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continue
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key = (m_proc, pid)
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if(key not in ftemp):
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ftemp[key] = []
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ftemp[key].append(aslib.FTraceCallGraph(pid, sysvals))
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cg = ftemp[key][-1]
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res = cg.addLine(t)
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if(res != 0):
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ftemp[key].append(aslib.FTraceCallGraph(pid, sysvals))
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if(res == -1):
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ftemp[key][-1].addLine(t)
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tf.close()
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# add the callgraph data to the device hierarchy
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for key in ftemp:
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proc, pid = key
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for cg in ftemp[key]:
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if len(cg.list) < 1 or cg.invalid or (cg.end - cg.start == 0):
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continue
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if(not cg.postProcess()):
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pprint('Sanity check failed for %s-%d' % (proc, pid))
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continue
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# match cg data to devices
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devname = data.deviceMatch(pid, cg)
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if not devname:
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kind = 'Orphan'
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if cg.partial:
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kind = 'Partial'
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sysvals.vprint('%s callgraph found for %s %s-%d [%f - %f]' %\
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(kind, cg.name, proc, pid, cg.start, cg.end))
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elif len(cg.list) > 1000000:
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pprint('WARNING: the callgraph found for %s is massive! (%d lines)' %\
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(devname, len(cg.list)))
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# Function: retrieveLogs
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# Description:
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# Create copies of dmesg and/or ftrace for later processing
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def retrieveLogs():
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# check ftrace is configured first
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if sysvals.useftrace:
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tracer = sysvals.fgetVal('current_tracer').strip()
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if tracer != 'function_graph':
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doError('ftrace not configured for a boot callgraph')
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# create the folder and get dmesg
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sysvals.systemInfo(aslib.dmidecode(sysvals.mempath))
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sysvals.initTestOutput('boot')
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sysvals.writeDatafileHeader(sysvals.dmesgfile)
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call('dmesg >> '+sysvals.dmesgfile, shell=True)
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if not sysvals.useftrace:
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return
|
|
# get ftrace
|
|
sysvals.writeDatafileHeader(sysvals.ftracefile)
|
|
call('cat '+sysvals.tpath+'trace >> '+sysvals.ftracefile, shell=True)
|
|
|
|
# Function: colorForName
|
|
# Description:
|
|
# Generate a repeatable color from a list for a given name
|
|
def colorForName(name):
|
|
list = [
|
|
('c1', '#ec9999'),
|
|
('c2', '#ffc1a6'),
|
|
('c3', '#fff0a6'),
|
|
('c4', '#adf199'),
|
|
('c5', '#9fadea'),
|
|
('c6', '#a699c1'),
|
|
('c7', '#ad99b4'),
|
|
('c8', '#eaffea'),
|
|
('c9', '#dcecfb'),
|
|
('c10', '#ffffea')
|
|
]
|
|
i = 0
|
|
total = 0
|
|
count = len(list)
|
|
while i < len(name):
|
|
total += ord(name[i])
|
|
i += 1
|
|
return list[total % count]
|
|
|
|
def cgOverview(cg, minlen):
|
|
stats = dict()
|
|
large = []
|
|
for l in cg.list:
|
|
if l.fcall and l.depth == 1:
|
|
if l.length >= minlen:
|
|
large.append(l)
|
|
if l.name not in stats:
|
|
stats[l.name] = [0, 0.0]
|
|
stats[l.name][0] += (l.length * 1000.0)
|
|
stats[l.name][1] += 1
|
|
return (large, stats)
|
|
|
|
# Function: createBootGraph
|
|
# Description:
|
|
# Create the output html file from the resident test data
|
|
# Arguments:
|
|
# testruns: array of Data objects from parseKernelLog or parseTraceLog
|
|
# Output:
|
|
# True if the html file was created, false if it failed
|
|
def createBootGraph(data):
|
|
# html function templates
|
|
html_srccall = '<div id={6} title="{5}" class="srccall" style="left:{1}%;top:{2}px;height:{3}px;width:{4}%;line-height:{3}px;">{0}</div>\n'
|
|
html_timetotal = '<table class="time1">\n<tr>'\
|
|
'<td class="blue">Init process starts @ <b>{0} ms</b></td>'\
|
|
'<td class="blue">Last initcall ends @ <b>{1} ms</b></td>'\
|
|
'</tr>\n</table>\n'
|
|
|
|
# device timeline
|
|
devtl = aslib.Timeline(100, 20)
|
|
|
|
# write the test title and general info header
|
|
devtl.createHeader(sysvals, sysvals.stamp)
|
|
|
|
# Generate the header for this timeline
|
|
t0 = data.start
|
|
tMax = data.end
|
|
tTotal = tMax - t0
|
|
if(tTotal == 0):
|
|
pprint('ERROR: No timeline data')
|
|
return False
|
|
user_mode = '%.0f'%(data.tUserMode*1000)
|
|
last_init = '%.0f'%(tTotal*1000)
|
|
devtl.html += html_timetotal.format(user_mode, last_init)
|
|
|
|
# determine the maximum number of rows we need to draw
|
|
devlist = []
|
|
for p in data.phases:
|
|
list = data.dmesg[p]['list']
|
|
for devname in list:
|
|
d = aslib.DevItem(0, p, list[devname])
|
|
devlist.append(d)
|
|
devtl.getPhaseRows(devlist, 0, 'start')
|
|
devtl.calcTotalRows()
|
|
|
|
# draw the timeline background
|
|
devtl.createZoomBox()
|
|
devtl.html += devtl.html_tblock.format('boot', '0', '100', devtl.scaleH)
|
|
for p in data.phases:
|
|
phase = data.dmesg[p]
|
|
length = phase['end']-phase['start']
|
|
left = '%.3f' % (((phase['start']-t0)*100.0)/tTotal)
|
|
width = '%.3f' % ((length*100.0)/tTotal)
|
|
devtl.html += devtl.html_phase.format(left, width, \
|
|
'%.3f'%devtl.scaleH, '%.3f'%devtl.bodyH, \
|
|
phase['color'], '')
|
|
|
|
# draw the device timeline
|
|
num = 0
|
|
devstats = dict()
|
|
for phase in data.phases:
|
|
list = data.dmesg[phase]['list']
|
|
for devname in sorted(list):
|
|
cls, color = colorForName(devname)
|
|
dev = list[devname]
|
|
info = '@|%.3f|%.3f|%.3f|%d' % (dev['start']*1000.0, dev['end']*1000.0,
|
|
dev['ulen']/1000.0, dev['ret'])
|
|
devstats[dev['id']] = {'info':info}
|
|
dev['color'] = color
|
|
height = devtl.phaseRowHeight(0, phase, dev['row'])
|
|
top = '%.6f' % ((dev['row']*height) + devtl.scaleH)
|
|
left = '%.6f' % (((dev['start']-t0)*100)/tTotal)
|
|
width = '%.6f' % (((dev['end']-dev['start'])*100)/tTotal)
|
|
length = ' (%0.3f ms) ' % ((dev['end']-dev['start'])*1000)
|
|
devtl.html += devtl.html_device.format(dev['id'],
|
|
devname+length+phase+'_mode', left, top, '%.3f'%height,
|
|
width, devname, ' '+cls, '')
|
|
rowtop = devtl.phaseRowTop(0, phase, dev['row'])
|
|
height = '%.6f' % (devtl.rowH / 2)
|
|
top = '%.6f' % (rowtop + devtl.scaleH + (devtl.rowH / 2))
|
|
if data.do_one_initcall:
|
|
if('ftrace' not in dev):
|
|
continue
|
|
cg = dev['ftrace']
|
|
large, stats = cgOverview(cg, 0.001)
|
|
devstats[dev['id']]['fstat'] = stats
|
|
for l in large:
|
|
left = '%f' % (((l.time-t0)*100)/tTotal)
|
|
width = '%f' % (l.length*100/tTotal)
|
|
title = '%s (%0.3fms)' % (l.name, l.length * 1000.0)
|
|
devtl.html += html_srccall.format(l.name, left,
|
|
top, height, width, title, 'x%d'%num)
|
|
num += 1
|
|
continue
|
|
if('ftraces' not in dev):
|
|
continue
|
|
for cg in dev['ftraces']:
|
|
left = '%f' % (((cg.start-t0)*100)/tTotal)
|
|
width = '%f' % ((cg.end-cg.start)*100/tTotal)
|
|
cglen = (cg.end - cg.start) * 1000.0
|
|
title = '%s (%0.3fms)' % (cg.name, cglen)
|
|
cg.id = 'x%d' % num
|
|
devtl.html += html_srccall.format(cg.name, left,
|
|
top, height, width, title, dev['id']+cg.id)
|
|
num += 1
|
|
|
|
# draw the time scale, try to make the number of labels readable
|
|
devtl.createTimeScale(t0, tMax, tTotal, 'boot')
|
|
devtl.html += '</div>\n'
|
|
|
|
# timeline is finished
|
|
devtl.html += '</div>\n</div>\n'
|
|
|
|
# draw a legend which describes the phases by color
|
|
devtl.html += '<div class="legend">\n'
|
|
pdelta = 20.0
|
|
pmargin = 36.0
|
|
for phase in data.phases:
|
|
order = '%.2f' % ((data.dmesg[phase]['order'] * pdelta) + pmargin)
|
|
devtl.html += devtl.html_legend.format(order, \
|
|
data.dmesg[phase]['color'], phase+'_mode', phase[0])
|
|
devtl.html += '</div>\n'
|
|
|
|
hf = open(sysvals.htmlfile, 'w')
|
|
|
|
# add the css
|
|
extra = '\
|
|
.c1 {background:rgba(209,0,0,0.4);}\n\
|
|
.c2 {background:rgba(255,102,34,0.4);}\n\
|
|
.c3 {background:rgba(255,218,33,0.4);}\n\
|
|
.c4 {background:rgba(51,221,0,0.4);}\n\
|
|
.c5 {background:rgba(17,51,204,0.4);}\n\
|
|
.c6 {background:rgba(34,0,102,0.4);}\n\
|
|
.c7 {background:rgba(51,0,68,0.4);}\n\
|
|
.c8 {background:rgba(204,255,204,0.4);}\n\
|
|
.c9 {background:rgba(169,208,245,0.4);}\n\
|
|
.c10 {background:rgba(255,255,204,0.4);}\n\
|
|
.vt {transform:rotate(-60deg);transform-origin:0 0;}\n\
|
|
table.fstat {table-layout:fixed;padding:150px 15px 0 0;font-size:10px;column-width:30px;}\n\
|
|
.fstat th {width:55px;}\n\
|
|
.fstat td {text-align:left;width:35px;}\n\
|
|
.srccall {position:absolute;font-size:10px;z-index:7;overflow:hidden;color:black;text-align:center;white-space:nowrap;border-radius:5px;border:1px solid black;background:linear-gradient(to bottom right,#CCC,#969696);}\n\
|
|
.srccall:hover {color:white;font-weight:bold;border:1px solid white;}\n'
|
|
aslib.addCSS(hf, sysvals, 1, False, extra)
|
|
|
|
# write the device timeline
|
|
hf.write(devtl.html)
|
|
|
|
# add boot specific html
|
|
statinfo = 'var devstats = {\n'
|
|
for n in sorted(devstats):
|
|
statinfo += '\t"%s": [\n\t\t"%s",\n' % (n, devstats[n]['info'])
|
|
if 'fstat' in devstats[n]:
|
|
funcs = devstats[n]['fstat']
|
|
for f in sorted(funcs, key=funcs.get, reverse=True):
|
|
if funcs[f][0] < 0.01 and len(funcs) > 10:
|
|
break
|
|
statinfo += '\t\t"%f|%s|%d",\n' % (funcs[f][0], f, funcs[f][1])
|
|
statinfo += '\t],\n'
|
|
statinfo += '};\n'
|
|
html = \
|
|
'<div id="devicedetailtitle"></div>\n'\
|
|
'<div id="devicedetail" style="display:none;">\n'\
|
|
'<div id="devicedetail0">\n'
|
|
for p in data.phases:
|
|
phase = data.dmesg[p]
|
|
html += devtl.html_phaselet.format(p+'_mode', '0', '100', phase['color'])
|
|
html += '</div>\n</div>\n'\
|
|
'<script type="text/javascript">\n'+statinfo+\
|
|
'</script>\n'
|
|
hf.write(html)
|
|
|
|
# add the callgraph html
|
|
if(sysvals.usecallgraph):
|
|
aslib.addCallgraphs(sysvals, hf, data)
|
|
|
|
# add the test log as a hidden div
|
|
if sysvals.testlog and sysvals.logmsg:
|
|
hf.write('<div id="testlog" style="display:none;">\n'+sysvals.logmsg+'</div>\n')
|
|
# add the dmesg log as a hidden div
|
|
if sysvals.dmesglog:
|
|
hf.write('<div id="dmesglog" style="display:none;">\n')
|
|
for line in data.dmesgtext:
|
|
line = line.replace('<', '<').replace('>', '>')
|
|
hf.write(line)
|
|
hf.write('</div>\n')
|
|
|
|
# write the footer and close
|
|
aslib.addScriptCode(hf, [data])
|
|
hf.write('</body>\n</html>\n')
|
|
hf.close()
|
|
return True
|
|
|
|
# Function: updateCron
|
|
# Description:
|
|
# (restore=False) Set the tool to run automatically on reboot
|
|
# (restore=True) Restore the original crontab
|
|
def updateCron(restore=False):
|
|
if not restore:
|
|
sysvals.rootUser(True)
|
|
crondir = '/var/spool/cron/crontabs/'
|
|
if not os.path.exists(crondir):
|
|
crondir = '/var/spool/cron/'
|
|
if not os.path.exists(crondir):
|
|
doError('%s not found' % crondir)
|
|
cronfile = crondir+'root'
|
|
backfile = crondir+'root-analyze_boot-backup'
|
|
cmd = sysvals.getExec('crontab')
|
|
if not cmd:
|
|
doError('crontab not found')
|
|
# on restore: move the backup cron back into place
|
|
if restore:
|
|
if os.path.exists(backfile):
|
|
shutil.move(backfile, cronfile)
|
|
call([cmd, cronfile])
|
|
return
|
|
# backup current cron and install new one with reboot
|
|
if os.path.exists(cronfile):
|
|
shutil.move(cronfile, backfile)
|
|
else:
|
|
fp = open(backfile, 'w')
|
|
fp.close()
|
|
res = -1
|
|
try:
|
|
fp = open(backfile, 'r')
|
|
op = open(cronfile, 'w')
|
|
for line in fp:
|
|
if not sysvals.myCronJob(line):
|
|
op.write(line)
|
|
continue
|
|
fp.close()
|
|
op.write('@reboot python %s\n' % sysvals.cronjobCmdString())
|
|
op.close()
|
|
res = call([cmd, cronfile])
|
|
except Exception, e:
|
|
pprint('Exception: %s' % str(e))
|
|
shutil.move(backfile, cronfile)
|
|
res = -1
|
|
if res != 0:
|
|
doError('crontab failed')
|
|
|
|
# Function: updateGrub
|
|
# Description:
|
|
# update grub.cfg for all kernels with our parameters
|
|
def updateGrub(restore=False):
|
|
# call update-grub on restore
|
|
if restore:
|
|
try:
|
|
call(sysvals.blexec, stderr=PIPE, stdout=PIPE,
|
|
env={'PATH': '.:/sbin:/usr/sbin:/usr/bin:/sbin:/bin'})
|
|
except Exception, e:
|
|
pprint('Exception: %s\n' % str(e))
|
|
return
|
|
# extract the option and create a grub config without it
|
|
sysvals.rootUser(True)
|
|
tgtopt = 'GRUB_CMDLINE_LINUX_DEFAULT'
|
|
cmdline = ''
|
|
grubfile = '/etc/default/grub'
|
|
tempfile = '/etc/default/grub.analyze_boot'
|
|
shutil.move(grubfile, tempfile)
|
|
res = -1
|
|
try:
|
|
fp = open(tempfile, 'r')
|
|
op = open(grubfile, 'w')
|
|
cont = False
|
|
for line in fp:
|
|
line = line.strip()
|
|
if len(line) == 0 or line[0] == '#':
|
|
continue
|
|
opt = line.split('=')[0].strip()
|
|
if opt == tgtopt:
|
|
cmdline = line.split('=', 1)[1].strip('\\')
|
|
if line[-1] == '\\':
|
|
cont = True
|
|
elif cont:
|
|
cmdline += line.strip('\\')
|
|
if line[-1] != '\\':
|
|
cont = False
|
|
else:
|
|
op.write('%s\n' % line)
|
|
fp.close()
|
|
# if the target option value is in quotes, strip them
|
|
sp = '"'
|
|
val = cmdline.strip()
|
|
if val and (val[0] == '\'' or val[0] == '"'):
|
|
sp = val[0]
|
|
val = val.strip(sp)
|
|
cmdline = val
|
|
# append our cmd line options
|
|
if len(cmdline) > 0:
|
|
cmdline += ' '
|
|
cmdline += sysvals.kernelParams()
|
|
# write out the updated target option
|
|
op.write('\n%s=%s%s%s\n' % (tgtopt, sp, cmdline, sp))
|
|
op.close()
|
|
res = call(sysvals.blexec)
|
|
os.remove(grubfile)
|
|
except Exception, e:
|
|
pprint('Exception: %s' % str(e))
|
|
res = -1
|
|
# cleanup
|
|
shutil.move(tempfile, grubfile)
|
|
if res != 0:
|
|
doError('update grub failed')
|
|
|
|
# Function: updateKernelParams
|
|
# Description:
|
|
# update boot conf for all kernels with our parameters
|
|
def updateKernelParams(restore=False):
|
|
# find the boot loader
|
|
sysvals.getBootLoader()
|
|
if sysvals.bootloader == 'grub':
|
|
updateGrub(restore)
|
|
|
|
# Function: doError Description:
|
|
# generic error function for catastrphic failures
|
|
# Arguments:
|
|
# msg: the error message to print
|
|
# help: True if printHelp should be called after, False otherwise
|
|
def doError(msg, help=False):
|
|
if help == True:
|
|
printHelp()
|
|
pprint('ERROR: %s\n' % msg)
|
|
sysvals.outputResult({'error':msg})
|
|
sys.exit()
|
|
|
|
# Function: printHelp
|
|
# Description:
|
|
# print out the help text
|
|
def printHelp():
|
|
pprint('\n%s v%s\n'\
|
|
'Usage: bootgraph <options> <command>\n'\
|
|
'\n'\
|
|
'Description:\n'\
|
|
' This tool reads in a dmesg log of linux kernel boot and\n'\
|
|
' creates an html representation of the boot timeline up to\n'\
|
|
' the start of the init process.\n'\
|
|
'\n'\
|
|
' If no specific command is given the tool reads the current dmesg\n'\
|
|
' and/or ftrace log and creates a timeline\n'\
|
|
'\n'\
|
|
' Generates output files in subdirectory: boot-yymmdd-HHMMSS\n'\
|
|
' HTML output: <hostname>_boot.html\n'\
|
|
' raw dmesg output: <hostname>_boot_dmesg.txt\n'\
|
|
' raw ftrace output: <hostname>_boot_ftrace.txt\n'\
|
|
'\n'\
|
|
'Options:\n'\
|
|
' -h Print this help text\n'\
|
|
' -v Print the current tool version\n'\
|
|
' -verbose Print extra information during execution and analysis\n'\
|
|
' -addlogs Add the dmesg log to the html output\n'\
|
|
' -result fn Export a results table to a text file for parsing.\n'\
|
|
' -o name Overrides the output subdirectory name when running a new test\n'\
|
|
' default: boot-{date}-{time}\n'\
|
|
' [advanced]\n'\
|
|
' -fstat Use ftrace to add function detail and statistics (default: disabled)\n'\
|
|
' -f/-callgraph Add callgraph detail, can be very large (default: disabled)\n'\
|
|
' -maxdepth N limit the callgraph data to N call levels (default: 2)\n'\
|
|
' -mincg ms Discard all callgraphs shorter than ms milliseconds (e.g. 0.001 for us)\n'\
|
|
' -timeprec N Number of significant digits in timestamps (0:S, 3:ms, [6:us])\n'\
|
|
' -expandcg pre-expand the callgraph data in the html output (default: disabled)\n'\
|
|
' -func list Limit ftrace to comma-delimited list of functions (default: do_one_initcall)\n'\
|
|
' -cgfilter S Filter the callgraph output in the timeline\n'\
|
|
' -cgskip file Callgraph functions to skip, off to disable (default: cgskip.txt)\n'\
|
|
' -bl name Use the following boot loader for kernel params (default: grub)\n'\
|
|
' -reboot Reboot the machine automatically and generate a new timeline\n'\
|
|
' -manual Show the steps to generate a new timeline manually (used with -reboot)\n'\
|
|
'\n'\
|
|
'Other commands:\n'\
|
|
' -flistall Print all functions capable of being captured in ftrace\n'\
|
|
' -sysinfo Print out system info extracted from BIOS\n'\
|
|
' [redo]\n'\
|
|
' -dmesg file Create HTML output using dmesg input (used with -ftrace)\n'\
|
|
' -ftrace file Create HTML output using ftrace input (used with -dmesg)\n'\
|
|
'' % (sysvals.title, sysvals.version))
|
|
return True
|
|
|
|
# ----------------- MAIN --------------------
|
|
# exec start (skipped if script is loaded as library)
|
|
if __name__ == '__main__':
|
|
# loop through the command line arguments
|
|
cmd = ''
|
|
testrun = True
|
|
switchoff = ['disable', 'off', 'false', '0']
|
|
simplecmds = ['-sysinfo', '-kpupdate', '-flistall', '-checkbl']
|
|
cgskip = ''
|
|
if '-f' in sys.argv:
|
|
cgskip = sysvals.configFile('cgskip.txt')
|
|
args = iter(sys.argv[1:])
|
|
mdset = False
|
|
for arg in args:
|
|
if(arg == '-h'):
|
|
printHelp()
|
|
sys.exit()
|
|
elif(arg == '-v'):
|
|
pprint("Version %s" % sysvals.version)
|
|
sys.exit()
|
|
elif(arg == '-verbose'):
|
|
sysvals.verbose = True
|
|
elif(arg in simplecmds):
|
|
cmd = arg[1:]
|
|
elif(arg == '-fstat'):
|
|
sysvals.useftrace = True
|
|
elif(arg == '-callgraph' or arg == '-f'):
|
|
sysvals.useftrace = True
|
|
sysvals.usecallgraph = True
|
|
elif(arg == '-cgdump'):
|
|
sysvals.cgdump = True
|
|
elif(arg == '-mincg'):
|
|
sysvals.mincglen = aslib.getArgFloat('-mincg', args, 0.0, 10000.0)
|
|
elif(arg == '-cgfilter'):
|
|
try:
|
|
val = args.next()
|
|
except:
|
|
doError('No callgraph functions supplied', True)
|
|
sysvals.setCallgraphFilter(val)
|
|
elif(arg == '-cgskip'):
|
|
try:
|
|
val = args.next()
|
|
except:
|
|
doError('No file supplied', True)
|
|
if val.lower() in switchoff:
|
|
cgskip = ''
|
|
else:
|
|
cgskip = sysvals.configFile(val)
|
|
if(not cgskip):
|
|
doError('%s does not exist' % cgskip)
|
|
elif(arg == '-bl'):
|
|
try:
|
|
val = args.next()
|
|
except:
|
|
doError('No boot loader name supplied', True)
|
|
if val.lower() not in ['grub']:
|
|
doError('Unknown boot loader: %s' % val, True)
|
|
sysvals.bootloader = val.lower()
|
|
elif(arg == '-timeprec'):
|
|
sysvals.setPrecision(aslib.getArgInt('-timeprec', args, 0, 6))
|
|
elif(arg == '-maxdepth'):
|
|
mdset = True
|
|
sysvals.max_graph_depth = aslib.getArgInt('-maxdepth', args, 0, 1000)
|
|
elif(arg == '-func'):
|
|
try:
|
|
val = args.next()
|
|
except:
|
|
doError('No filter functions supplied', True)
|
|
sysvals.useftrace = True
|
|
sysvals.usecallgraph = True
|
|
sysvals.rootCheck(True)
|
|
sysvals.setGraphFilter(val)
|
|
elif(arg == '-ftrace'):
|
|
try:
|
|
val = args.next()
|
|
except:
|
|
doError('No ftrace file supplied', True)
|
|
if(os.path.exists(val) == False):
|
|
doError('%s does not exist' % val)
|
|
testrun = False
|
|
sysvals.ftracefile = val
|
|
elif(arg == '-addlogs'):
|
|
sysvals.dmesglog = True
|
|
elif(arg == '-expandcg'):
|
|
sysvals.cgexp = True
|
|
elif(arg == '-dmesg'):
|
|
try:
|
|
val = args.next()
|
|
except:
|
|
doError('No dmesg file supplied', True)
|
|
if(os.path.exists(val) == False):
|
|
doError('%s does not exist' % val)
|
|
testrun = False
|
|
sysvals.dmesgfile = val
|
|
elif(arg == '-o'):
|
|
try:
|
|
val = args.next()
|
|
except:
|
|
doError('No subdirectory name supplied', True)
|
|
sysvals.testdir = sysvals.setOutputFolder(val)
|
|
elif(arg == '-result'):
|
|
try:
|
|
val = args.next()
|
|
except:
|
|
doError('No result file supplied', True)
|
|
sysvals.result = val
|
|
elif(arg == '-reboot'):
|
|
sysvals.reboot = True
|
|
elif(arg == '-manual'):
|
|
sysvals.reboot = True
|
|
sysvals.manual = True
|
|
# remaining options are only for cron job use
|
|
elif(arg == '-cronjob'):
|
|
sysvals.iscronjob = True
|
|
else:
|
|
doError('Invalid argument: '+arg, True)
|
|
|
|
# compatibility errors and access checks
|
|
if(sysvals.iscronjob and (sysvals.reboot or \
|
|
sysvals.dmesgfile or sysvals.ftracefile or cmd)):
|
|
doError('-cronjob is meant for batch purposes only')
|
|
if(sysvals.reboot and (sysvals.dmesgfile or sysvals.ftracefile)):
|
|
doError('-reboot and -dmesg/-ftrace are incompatible')
|
|
if cmd or sysvals.reboot or sysvals.iscronjob or testrun:
|
|
sysvals.rootCheck(True)
|
|
if (testrun and sysvals.useftrace) or cmd == 'flistall':
|
|
if not sysvals.verifyFtrace():
|
|
doError('Ftrace is not properly enabled')
|
|
|
|
# run utility commands
|
|
sysvals.cpuInfo()
|
|
if cmd != '':
|
|
if cmd == 'kpupdate':
|
|
updateKernelParams()
|
|
elif cmd == 'flistall':
|
|
for f in sysvals.getBootFtraceFilterFunctions():
|
|
print f
|
|
elif cmd == 'checkbl':
|
|
sysvals.getBootLoader()
|
|
pprint('Boot Loader: %s\n%s' % (sysvals.bootloader, sysvals.blexec))
|
|
elif(cmd == 'sysinfo'):
|
|
sysvals.printSystemInfo(True)
|
|
sys.exit()
|
|
|
|
# reboot: update grub, setup a cronjob, and reboot
|
|
if sysvals.reboot:
|
|
if (sysvals.useftrace or sysvals.usecallgraph) and \
|
|
not sysvals.checkFtraceKernelVersion():
|
|
doError('Ftrace functionality requires kernel v4.10 or newer')
|
|
if not sysvals.manual:
|
|
updateKernelParams()
|
|
updateCron()
|
|
call('reboot')
|
|
else:
|
|
sysvals.manualRebootRequired()
|
|
sys.exit()
|
|
|
|
if sysvals.usecallgraph and cgskip:
|
|
sysvals.vprint('Using cgskip file: %s' % cgskip)
|
|
sysvals.setCallgraphBlacklist(cgskip)
|
|
|
|
# cronjob: remove the cronjob, grub changes, and disable ftrace
|
|
if sysvals.iscronjob:
|
|
updateCron(True)
|
|
updateKernelParams(True)
|
|
try:
|
|
sysvals.fsetVal('0', 'tracing_on')
|
|
except:
|
|
pass
|
|
|
|
# testrun: generate copies of the logs
|
|
if testrun:
|
|
retrieveLogs()
|
|
else:
|
|
sysvals.setOutputFile()
|
|
|
|
# process the log data
|
|
if sysvals.dmesgfile:
|
|
if not mdset:
|
|
sysvals.max_graph_depth = 0
|
|
data = parseKernelLog()
|
|
if(not data.valid):
|
|
doError('No initcall data found in %s' % sysvals.dmesgfile)
|
|
if sysvals.useftrace and sysvals.ftracefile:
|
|
parseTraceLog(data)
|
|
if sysvals.cgdump:
|
|
data.debugPrint()
|
|
sys.exit()
|
|
else:
|
|
doError('dmesg file required')
|
|
|
|
sysvals.vprint('Creating the html timeline (%s)...' % sysvals.htmlfile)
|
|
sysvals.vprint('Command:\n %s' % sysvals.cmdline)
|
|
sysvals.vprint('Kernel parameters:\n %s' % sysvals.kparams)
|
|
data.printDetails()
|
|
createBootGraph(data)
|
|
|
|
# if running as root, change output dir owner to sudo_user
|
|
if testrun and os.path.isdir(sysvals.testdir) and \
|
|
os.getuid() == 0 and 'SUDO_USER' in os.environ:
|
|
cmd = 'chown -R {0}:{0} {1} > /dev/null 2>&1'
|
|
call(cmd.format(os.environ['SUDO_USER'], sysvals.testdir), shell=True)
|
|
|
|
sysvals.stamp['boot'] = (data.tUserMode - data.start) * 1000
|
|
sysvals.stamp['lastinit'] = data.end * 1000
|
|
sysvals.outputResult(sysvals.stamp)
|