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diff --git a/tools/power/pm-graph/analyze_boot.py b/tools/power/pm-graph/analyze_boot.py
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-#!/usr/bin/python
-#
-# Tool for analyzing boot timing
-# Copyright (c) 2013, Intel Corporation.
-#
-# 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.
-#
-# Authors:
-# Todd Brandt <todd.e.brandt@linux.intel.com>
-#
-# Description:
-# This tool is designed to assist kernel and OS developers in optimizing
-# their linux stack's boot time. It creates an html representation of
-# the kernel boot timeline up to the start of the init process.
-#
-
-# ----------------- LIBRARIES --------------------
-
-import sys
-import time
-import os
-import string
-import re
-import platform
-import shutil
-from datetime import datetime, timedelta
-from subprocess import call, Popen, PIPE
-import analyze_suspend as aslib
-
-# ----------------- CLASSES --------------------
-
-# Class: SystemValues
-# Description:
-# A global, single-instance container used to
-# store system values and test parameters
-class SystemValues(aslib.SystemValues):
- title = 'BootGraph'
- version = 2.0
- hostname = 'localhost'
- testtime = ''
- kernel = ''
- dmesgfile = ''
- ftracefile = ''
- htmlfile = 'bootgraph.html'
- outfile = ''
- phoronix = False
- addlogs = False
- useftrace = False
- usedevsrc = True
- suspendmode = 'boot'
- max_graph_depth = 2
- graph_filter = 'do_one_initcall'
- reboot = False
- manual = False
- iscronjob = False
- timeformat = '%.6f'
- def __init__(self):
- if('LOG_FILE' in os.environ and 'TEST_RESULTS_IDENTIFIER' in os.environ):
- self.phoronix = True
- self.addlogs = True
- self.outfile = os.environ['LOG_FILE']
- self.htmlfile = os.environ['LOG_FILE']
- self.hostname = platform.node()
- self.testtime = datetime.now().strftime('%Y-%m-%d_%H:%M:%S')
- if os.path.exists('/proc/version'):
- fp = open('/proc/version', 'r')
- val = fp.read().strip()
- fp.close()
- self.kernel = self.kernelVersion(val)
- else:
- self.kernel = 'unknown'
- def kernelVersion(self, msg):
- return msg.split()[2]
- def kernelParams(self):
- cmdline = 'initcall_debug log_buf_len=32M'
- if self.useftrace:
- cmdline += ' trace_buf_size=128M trace_clock=global '\
- 'trace_options=nooverwrite,funcgraph-abstime,funcgraph-cpu,'\
- 'funcgraph-duration,funcgraph-proc,funcgraph-tail,'\
- 'nofuncgraph-overhead,context-info,graph-time '\
- 'ftrace=function_graph '\
- 'ftrace_graph_max_depth=%d '\
- 'ftrace_graph_filter=%s' % \
- (self.max_graph_depth, self.graph_filter)
- return cmdline
- def setGraphFilter(self, val):
- fp = open(self.tpath+'available_filter_functions')
- master = fp.read().split('\n')
- fp.close()
- for i in val.split(','):
- func = i.strip()
- if func not in master:
- doError('function "%s" not available for ftrace' % func)
- self.graph_filter = val
- def cronjobCmdString(self):
- cmdline = '%s -cronjob' % os.path.abspath(sys.argv[0])
- args = iter(sys.argv[1:])
- for arg in args:
- if arg in ['-h', '-v', '-cronjob', '-reboot']:
- continue
- elif arg in ['-o', '-dmesg', '-ftrace', '-filter']:
- args.next()
- continue
- cmdline += ' '+arg
- if self.graph_filter != 'do_one_initcall':
- cmdline += ' -filter "%s"' % self.graph_filter
- cmdline += ' -o "%s"' % os.path.abspath(self.htmlfile)
- return cmdline
- def manualRebootRequired(self):
- cmdline = self.kernelParams()
- print 'To generate a new timeline manually, follow these steps:\n'
- print '1. Add the CMDLINE string to your kernel command line.'
- print '2. Reboot the system.'
- print '3. After reboot, re-run this tool with the same arguments but no command (w/o -reboot or -manual).\n'
- print 'CMDLINE="%s"' % cmdline
- sys.exit()
-
-sysvals = SystemValues()
-
-# Class: Data
-# Description:
-# The primary container for test data.
-class Data(aslib.Data):
- dmesg = {} # root data structure
- start = 0.0 # test start
- end = 0.0 # test end
- dmesgtext = [] # dmesg text file in memory
- testnumber = 0
- idstr = ''
- html_device_id = 0
- valid = False
- initstart = 0.0
- boottime = ''
- phases = ['boot']
- do_one_initcall = False
- def __init__(self, num):
- self.testnumber = num
- self.idstr = 'a'
- self.dmesgtext = []
- self.dmesg = {
- 'boot': {'list': dict(), 'start': -1.0, 'end': -1.0, 'row': 0, 'color': '#dddddd'}
- }
- def deviceTopology(self):
- return ''
- def newAction(self, phase, name, start, end, ret, ulen):
- # new device callback for a specific phase
- self.html_device_id += 1
- devid = '%s%d' % (self.idstr, self.html_device_id)
- list = self.dmesg[phase]['list']
- length = -1.0
- if(start >= 0 and end >= 0):
- length = end - start
- i = 2
- origname = name
- while(name in list):
- name = '%s[%d]' % (origname, i)
- i += 1
- list[name] = {'name': name, 'start': start, 'end': end,
- 'pid': 0, 'length': length, 'row': 0, 'id': devid,
- 'ret': ret, 'ulen': ulen }
- return name
- def deviceMatch(self, cg):
- if cg.end - cg.start == 0:
- return True
- list = self.dmesg['boot']['list']
- for devname in list:
- dev = list[devname]
- if cg.name == 'do_one_initcall':
- if(cg.start <= dev['start'] and cg.end >= dev['end'] and dev['length'] > 0):
- dev['ftrace'] = cg
- self.do_one_initcall = True
- return True
- else:
- if(cg.start > dev['start'] and cg.end < dev['end']):
- if 'ftraces' not in dev:
- dev['ftraces'] = []
- dev['ftraces'].append(cg)
- return True
- return False
-
-# ----------------- FUNCTIONS --------------------
-
-# Function: loadKernelLog
-# Description:
-# Load a raw kernel log from dmesg
-def loadKernelLog():
- data = Data(0)
- data.dmesg['boot']['start'] = data.start = ktime = 0.0
- sysvals.stamp = {
- 'time': datetime.now().strftime('%B %d %Y, %I:%M:%S %p'),
- 'host': sysvals.hostname,
- 'mode': 'boot', 'kernel': ''}
-
- devtemp = dict()
- if(sysvals.dmesgfile):
- lf = open(sysvals.dmesgfile, 'r')
- else:
- lf = Popen('dmesg', stdout=PIPE).stdout
- for line in lf:
- line = line.replace('\r\n', '')
- idx = line.find('[')
- if idx > 1:
- line = line[idx:]
- m = re.match('[ \t]*(\[ *)(?P<ktime>[0-9\.]*)(\]) (?P<msg>.*)', line)
- if(not m):
- continue
- ktime = float(m.group('ktime'))
- if(ktime > 120):
- break
- msg = m.group('msg')
- data.end = data.initstart = ktime
- data.dmesgtext.append(line)
- if(ktime == 0.0 and re.match('^Linux version .*', msg)):
- if(not sysvals.stamp['kernel']):
- sysvals.stamp['kernel'] = sysvals.kernelVersion(msg)
- continue
- m = re.match('.* setting system clock to (?P<t>.*) UTC.*', msg)
- if(m):
- bt = datetime.strptime(m.group('t'), '%Y-%m-%d %H:%M:%S')
- bt = bt - timedelta(seconds=int(ktime))
- data.boottime = bt.strftime('%Y-%m-%d_%H:%M:%S')
- sysvals.stamp['time'] = bt.strftime('%B %d %Y, %I:%M:%S %p')
- continue
- m = re.match('^calling *(?P<f>.*)\+.*', msg)
- if(m):
- devtemp[m.group('f')] = ktime
- continue
- m = re.match('^initcall *(?P<f>.*)\+.* returned (?P<r>.*) after (?P<t>.*) usecs', msg)
- if(m):
- data.valid = True
- f, r, t = m.group('f', 'r', 't')
- if(f in devtemp):
- data.newAction('boot', f, devtemp[f], ktime, int(r), int(t))
- data.end = ktime
- del devtemp[f]
- continue
- if(re.match('^Freeing unused kernel memory.*', msg)):
- break
-
- data.dmesg['boot']['end'] = data.end
- lf.close()
- return data
-
-# Function: loadTraceLog
-# Description:
-# Check if trace is available and copy to a temp file
-def loadTraceLog(data):
- # load the data to a temp file if none given
- if not sysvals.ftracefile:
- lib = aslib.sysvals
- aslib.rootCheck(True)
- if not lib.verifyFtrace():
- doError('ftrace not available')
- if lib.fgetVal('current_tracer').strip() != 'function_graph':
- doError('ftrace not configured for a boot callgraph')
- sysvals.ftracefile = '/tmp/boot_ftrace.%s.txt' % os.getpid()
- call('cat '+lib.tpath+'trace > '+sysvals.ftracefile, shell=True)
- if not sysvals.ftracefile:
- doError('No trace data available')
-
- # parse the trace log
- ftemp = dict()
- tp = aslib.TestProps()
- tp.setTracerType('function_graph')
- tf = open(sysvals.ftracefile, 'r')
- for line in tf:
- if line[0] == '#':
- continue
- m = re.match(tp.ftrace_line_fmt, line.strip())
- if(not m):
- continue
- m_time, m_proc, m_pid, m_msg, m_dur = \
- m.group('time', 'proc', 'pid', 'msg', 'dur')
- if float(m_time) > data.end:
- break
- if(m_time and m_pid and m_msg):
- t = aslib.FTraceLine(m_time, m_msg, m_dur)
- pid = int(m_pid)
- else:
- continue
- if t.fevent or t.fkprobe:
- continue
- key = (m_proc, pid)
- if(key not in ftemp):
- ftemp[key] = []
- ftemp[key].append(aslib.FTraceCallGraph(pid))
- cg = ftemp[key][-1]
- if(cg.addLine(t)):
- ftemp[key].append(aslib.FTraceCallGraph(pid))
- tf.close()
-
- # add the callgraph data to the device hierarchy
- for key in ftemp:
- proc, pid = key
- for cg in ftemp[key]:
- if len(cg.list) < 1 or cg.invalid:
- continue
- if(not cg.postProcess()):
- print('Sanity check failed for %s-%d' % (proc, pid))
- continue
- # match cg data to devices
- if not data.deviceMatch(cg):
- print ' BAD: %s %s-%d [%f - %f]' % (cg.name, proc, pid, cg.start, cg.end)
-
-# 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, embedded):
- # 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">Time from Kernel Boot to start of User Mode: <b>{0} 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, 'noftrace')
-
- # Generate the header for this timeline
- t0 = data.start
- tMax = data.end
- tTotal = tMax - t0
- if(tTotal == 0):
- print('ERROR: No timeline data')
- return False
- boot_time = '%.0f'%(tTotal*1000)
- devtl.html += html_timetotal.format(boot_time)
-
- # determine the maximum number of rows we need to draw
- phase = 'boot'
- list = data.dmesg[phase]['list']
- devlist = []
- for devname in list:
- d = aslib.DevItem(0, phase, list[devname])
- devlist.append(d)
- devtl.getPhaseRows(devlist)
- devtl.calcTotalRows()
-
- # draw the timeline background
- devtl.createZoomBox()
- boot = data.dmesg[phase]
- length = boot['end']-boot['start']
- left = '%.3f' % (((boot['start']-t0)*100.0)/tTotal)
- width = '%.3f' % ((length*100.0)/tTotal)
- devtl.html += devtl.html_tblock.format(phase, left, width, devtl.scaleH)
- devtl.html += devtl.html_phase.format('0', '100', \
- '%.3f'%devtl.scaleH, '%.3f'%devtl.bodyH, \
- 'white', '')
-
- # draw the device timeline
- num = 0
- devstats = dict()
- 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+'kernel_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, phase)
- devtl.html += '</div>\n'
-
- # timeline is finished
- devtl.html += '</div>\n</div>\n'
-
- if(sysvals.outfile == sysvals.htmlfile):
- hf = open(sysvals.htmlfile, 'a')
- else:
- hf = open(sysvals.htmlfile, 'w')
-
- # add the css if this is not an embedded run
- 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'
- if(not embedded):
- 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'\
- '<div id="kernel_mode" class="phaselet" style="left:0%;width:100%;background:#DDDDDD"></div>\n'\
- '</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 dmesg log as a hidden div
- if sysvals.addlogs:
- hf.write('<div id="dmesglog" style="display:none;">\n')
- for line in data.dmesgtext:
- line = line.replace('<', '&lt').replace('>', '&gt')
- hf.write(line)
- hf.write('</div>\n')
-
- if(not embedded):
- # write the footer and close
- aslib.addScriptCode(hf, [data])
- hf.write('</body>\n</html>\n')
- else:
- # embedded out will be loaded in a page, skip the js
- hf.write('<div id=bounds style=display:none>%f,%f</div>' % \
- (data.start*1000, data.initstart*1000))
- 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/'
- cronfile = crondir+'root'
- backfile = crondir+'root-analyze_boot-backup'
- if not os.path.exists(crondir):
- doError('%s not found' % crondir)
- out = Popen(['which', 'crontab'], stdout=PIPE).stdout.read()
- if not out:
- doError('crontab not found')
- # on restore: move the backup cron back into place
- if restore:
- if os.path.exists(backfile):
- shutil.move(backfile, 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 '@reboot' not in line:
- op.write(line)
- continue
- fp.close()
- op.write('@reboot python %s\n' % sysvals.cronjobCmdString())
- op.close()
- res = call('crontab %s' % cronfile, shell=True)
- except Exception, e:
- print '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(['update-grub'], stderr=PIPE, stdout=PIPE,
- env={'PATH': '.:/sbin:/usr/sbin:/usr/bin:/sbin:/bin'})
- except Exception, e:
- print 'Exception: %s\n' % str(e)
- return
- # verify we can do this
- sysvals.rootUser(True)
- grubfile = '/etc/default/grub'
- if not os.path.exists(grubfile):
- print 'ERROR: Unable to set the kernel parameters via grub.\n'
- sysvals.manualRebootRequired()
- out = Popen(['which', 'update-grub'], stdout=PIPE).stdout.read()
- if not out:
- print 'ERROR: Unable to set the kernel parameters via grub.\n'
- sysvals.manualRebootRequired()
-
- # extract the option and create a grub config without it
- tgtopt = 'GRUB_CMDLINE_LINUX_DEFAULT'
- cmdline = ''
- 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[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('update-grub')
- os.remove(grubfile)
- except Exception, e:
- print 'Exception: %s' % str(e)
- res = -1
- # cleanup
- shutil.move(tempfile, grubfile)
- if res != 0:
- doError('update-grub failed')
-
-# 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()
- print 'ERROR: %s\n' % msg
- sys.exit()
-
-# Function: printHelp
-# Description:
-# print out the help text
-def printHelp():
- print('')
- print('%s v%.1f' % (sysvals.title, sysvals.version))
- print('Usage: bootgraph <options> <command>')
- print('')
- print('Description:')
- print(' This tool reads in a dmesg log of linux kernel boot and')
- print(' creates an html representation of the boot timeline up to')
- print(' the start of the init process.')
- print('')
- print(' If no specific command is given the tool reads the current dmesg')
- print(' and/or ftrace log and outputs bootgraph.html')
- print('')
- print('Options:')
- print(' -h Print this help text')
- print(' -v Print the current tool version')
- print(' -addlogs Add the dmesg log to the html output')
- print(' -o file Html timeline name (default: bootgraph.html)')
- print(' [advanced]')
- print(' -f Use ftrace to add function detail (default: disabled)')
- print(' -callgraph Add callgraph detail, can be very large (default: disabled)')
- print(' -maxdepth N limit the callgraph data to N call levels (default: 2)')
- print(' -mincg ms Discard all callgraphs shorter than ms milliseconds (e.g. 0.001 for us)')
- print(' -timeprec N Number of significant digits in timestamps (0:S, 3:ms, [6:us])')
- print(' -expandcg pre-expand the callgraph data in the html output (default: disabled)')
- print(' -filter list Limit ftrace to comma-delimited list of functions (default: do_one_initcall)')
- print(' [commands]')
- print(' -reboot Reboot the machine automatically and generate a new timeline')
- print(' -manual Show the requirements to generate a new timeline manually')
- print(' -dmesg file Load a stored dmesg file (used with -ftrace)')
- print(' -ftrace file Load a stored ftrace file (used with -dmesg)')
- print(' -flistall Print all functions capable of being captured in ftrace')
- print('')
- return True
-
-# ----------------- MAIN --------------------
-# exec start (skipped if script is loaded as library)
-if __name__ == '__main__':
- # loop through the command line arguments
- cmd = ''
- simplecmds = ['-updategrub', '-flistall']
- args = iter(sys.argv[1:])
- for arg in args:
- if(arg == '-h'):
- printHelp()
- sys.exit()
- elif(arg == '-v'):
- print("Version %.1f" % sysvals.version)
- sys.exit()
- elif(arg in simplecmds):
- cmd = arg[1:]
- elif(arg == '-f'):
- sysvals.useftrace = True
- elif(arg == '-callgraph'):
- sysvals.useftrace = True
- sysvals.usecallgraph = True
- elif(arg == '-mincg'):
- sysvals.mincglen = aslib.getArgFloat('-mincg', args, 0.0, 10000.0)
- elif(arg == '-timeprec'):
- sysvals.setPrecision(aslib.getArgInt('-timeprec', args, 0, 6))
- elif(arg == '-maxdepth'):
- sysvals.max_graph_depth = aslib.getArgInt('-maxdepth', args, 0, 1000)
- elif(arg == '-filter'):
- try:
- val = args.next()
- except:
- doError('No filter functions supplied', True)
- aslib.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)
- sysvals.ftracefile = val
- elif(arg == '-addlogs'):
- sysvals.addlogs = 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)
- if(sysvals.htmlfile == val or sysvals.outfile == val):
- doError('Output filename collision')
- sysvals.dmesgfile = val
- elif(arg == '-o'):
- try:
- val = args.next()
- except:
- doError('No HTML filename supplied', True)
- if(sysvals.dmesgfile == val or sysvals.ftracefile == val):
- doError('Output filename collision')
- sysvals.htmlfile = val
- elif(arg == '-reboot'):
- if sysvals.iscronjob:
- doError('-reboot and -cronjob are incompatible')
- 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
- if sysvals.reboot:
- doError('-reboot and -cronjob are incompatible')
- else:
- doError('Invalid argument: '+arg, True)
-
- if cmd != '':
- if cmd == 'updategrub':
- updateGrub()
- elif cmd == 'flistall':
- sysvals.getFtraceFilterFunctions(False)
- sys.exit()
-
- # update grub, setup a cronjob, and reboot
- if sysvals.reboot:
- if not sysvals.manual:
- updateGrub()
- updateCron()
- call('reboot')
- else:
- sysvals.manualRebootRequired()
- sys.exit()
-
- # disable the cronjob
- if sysvals.iscronjob:
- updateCron(True)
- updateGrub(True)
-
- data = loadKernelLog()
- if sysvals.useftrace:
- loadTraceLog(data)
- if sysvals.iscronjob:
- try:
- sysvals.fsetVal('0', 'tracing_on')
- except:
- pass
-
- if(sysvals.outfile and sysvals.phoronix):
- fp = open(sysvals.outfile, 'w')
- fp.write('pass %s initstart %.3f end %.3f boot %s\n' %
- (data.valid, data.initstart*1000, data.end*1000, data.boottime))
- fp.close()
- if(not data.valid):
- if sysvals.dmesgfile:
- doError('No initcall data found in %s' % sysvals.dmesgfile)
- else:
- doError('No initcall data found, is initcall_debug enabled?')
-
- print(' Host: %s' % sysvals.hostname)
- print(' Test time: %s' % sysvals.testtime)
- print(' Boot time: %s' % data.boottime)
- print('Kernel Version: %s' % sysvals.kernel)
- print(' Kernel start: %.3f' % (data.start * 1000))
- print(' init start: %.3f' % (data.initstart * 1000))
-
- createBootGraph(data, sysvals.phoronix)