From: Todd E Brandt Date: Fri, 7 Apr 2017 18:05:35 +0000 (-0700) Subject: tools: power: pm-graph: AnalyzeSuspend v4.6 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=bc167c7de8886f08b3d8266b176eefaa9f22cd80;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git tools: power: pm-graph: AnalyzeSuspend v4.6 Moved from scripts into tools, and updated from 4.5 to 4.6 - Changed the tool title to SleepGraph - Reformatted the code so analyze_suspend can be used as a library - Reorganized all html/js/css handling code to be used by other tools - upgraded the -summary feature to work faster with better readability Signed-off-by: Todd Brandt Signed-off-by: Rafael J. Wysocki --- diff --git a/scripts/analyze_suspend.py b/scripts/analyze_suspend.py deleted file mode 100755 index 20cdb2bc1dae..000000000000 --- a/scripts/analyze_suspend.py +++ /dev/null @@ -1,5235 +0,0 @@ -#!/usr/bin/python -# -# Tool for analyzing suspend/resume 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. -# -# You should have received a copy of the GNU General Public License along with -# this program; if not, write to the Free Software Foundation, Inc., -# 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. -# -# Authors: -# Todd Brandt -# -# Links: -# Home Page -# https://01.org/suspendresume -# Source repo -# https://github.com/01org/suspendresume -# -# Description: -# This tool is designed to assist kernel and OS developers in optimizing -# their linux stack's suspend/resume time. Using a kernel image built -# with a few extra options enabled, the tool will execute a suspend and -# will capture dmesg and ftrace data until resume is complete. This data -# is transformed into a device timeline and a callgraph to give a quick -# and detailed view of which devices and callbacks are taking the most -# time in suspend/resume. The output is a single html file which can be -# viewed in firefox or chrome. -# -# The following kernel build options are required: -# CONFIG_PM_DEBUG=y -# CONFIG_PM_SLEEP_DEBUG=y -# CONFIG_FTRACE=y -# CONFIG_FUNCTION_TRACER=y -# CONFIG_FUNCTION_GRAPH_TRACER=y -# CONFIG_KPROBES=y -# CONFIG_KPROBES_ON_FTRACE=y -# -# For kernel versions older than 3.15: -# The following additional kernel parameters are required: -# (e.g. in file /etc/default/grub) -# GRUB_CMDLINE_LINUX_DEFAULT="... initcall_debug log_buf_len=16M ..." -# - -# ----------------- LIBRARIES -------------------- - -import sys -import time -import os -import string -import re -import platform -from datetime import datetime -import struct -import ConfigParser -from threading import Thread -from subprocess import call, Popen, PIPE - -# ----------------- CLASSES -------------------- - -# Class: SystemValues -# Description: -# A global, single-instance container used to -# store system values and test parameters -class SystemValues: - ansi = False - version = '4.5' - verbose = False - addlogs = False - mindevlen = 0.0 - mincglen = 0.0 - cgphase = '' - cgtest = -1 - callloopmaxgap = 0.0001 - callloopmaxlen = 0.005 - srgap = 0 - cgexp = False - outdir = '' - testdir = '.' - tpath = '/sys/kernel/debug/tracing/' - fpdtpath = '/sys/firmware/acpi/tables/FPDT' - epath = '/sys/kernel/debug/tracing/events/power/' - traceevents = [ - 'suspend_resume', - 'device_pm_callback_end', - 'device_pm_callback_start' - ] - logmsg = '' - testcommand = '' - mempath = '/dev/mem' - powerfile = '/sys/power/state' - suspendmode = 'mem' - hostname = 'localhost' - prefix = 'test' - teststamp = '' - dmesgstart = 0.0 - dmesgfile = '' - ftracefile = '' - htmlfile = '' - embedded = False - rtcwake = False - rtcwaketime = 10 - rtcpath = '' - devicefilter = [] - stamp = 0 - execcount = 1 - x2delay = 0 - usecallgraph = False - usetraceevents = False - usetraceeventsonly = False - usetracemarkers = True - usekprobes = True - usedevsrc = False - useprocmon = False - notestrun = False - mixedphaseheight = True - devprops = dict() - predelay = 0 - postdelay = 0 - procexecfmt = 'ps - (?P.*)$' - devpropfmt = '# Device Properties: .*' - tracertypefmt = '# tracer: (?P.*)' - firmwarefmt = '# fwsuspend (?P[0-9]*) fwresume (?P[0-9]*)$' - stampfmt = '# suspend-(?P[0-9]{2})(?P[0-9]{2})(?P[0-9]{2})-'+\ - '(?P[0-9]{2})(?P[0-9]{2})(?P[0-9]{2})'+\ - ' (?P.*) (?P.*) (?P.*)$' - tracefuncs = { - 'sys_sync': dict(), - 'pm_prepare_console': dict(), - 'pm_notifier_call_chain': dict(), - 'freeze_processes': dict(), - 'freeze_kernel_threads': dict(), - 'pm_restrict_gfp_mask': dict(), - 'acpi_suspend_begin': dict(), - 'suspend_console': dict(), - 'acpi_pm_prepare': dict(), - 'syscore_suspend': dict(), - 'arch_enable_nonboot_cpus_end': dict(), - 'syscore_resume': dict(), - 'acpi_pm_finish': dict(), - 'resume_console': dict(), - 'acpi_pm_end': dict(), - 'pm_restore_gfp_mask': dict(), - 'thaw_processes': dict(), - 'pm_restore_console': dict(), - 'CPU_OFF': { - 'func':'_cpu_down', - 'args_x86_64': {'cpu':'%di:s32'}, - 'format': 'CPU_OFF[{cpu}]' - }, - 'CPU_ON': { - 'func':'_cpu_up', - 'args_x86_64': {'cpu':'%di:s32'}, - 'format': 'CPU_ON[{cpu}]' - }, - } - dev_tracefuncs = { - # general wait/delay/sleep - 'msleep': { 'args_x86_64': {'time':'%di:s32'}, 'ub': 1 }, - 'schedule_timeout_uninterruptible': { 'args_x86_64': {'timeout':'%di:s32'}, 'ub': 1 }, - 'schedule_timeout': { 'args_x86_64': {'timeout':'%di:s32'}, 'ub': 1 }, - 'udelay': { 'func':'__const_udelay', 'args_x86_64': {'loops':'%di:s32'}, 'ub': 1 }, - 'usleep_range': { 'args_x86_64': {'min':'%di:s32', 'max':'%si:s32'}, 'ub': 1 }, - 'mutex_lock_slowpath': { 'func':'__mutex_lock_slowpath', 'ub': 1 }, - 'acpi_os_stall': {'ub': 1}, - # ACPI - 'acpi_resume_power_resources': dict(), - 'acpi_ps_parse_aml': dict(), - # filesystem - 'ext4_sync_fs': dict(), - # 80211 - 'iwlagn_mac_start': dict(), - 'iwlagn_alloc_bcast_station': dict(), - 'iwl_trans_pcie_start_hw': dict(), - 'iwl_trans_pcie_start_fw': dict(), - 'iwl_run_init_ucode': dict(), - 'iwl_load_ucode_wait_alive': dict(), - 'iwl_alive_start': dict(), - 'iwlagn_mac_stop': dict(), - 'iwlagn_mac_suspend': dict(), - 'iwlagn_mac_resume': dict(), - 'iwlagn_mac_add_interface': dict(), - 'iwlagn_mac_remove_interface': dict(), - 'iwlagn_mac_change_interface': dict(), - 'iwlagn_mac_config': dict(), - 'iwlagn_configure_filter': dict(), - 'iwlagn_mac_hw_scan': dict(), - 'iwlagn_bss_info_changed': dict(), - 'iwlagn_mac_channel_switch': dict(), - 'iwlagn_mac_flush': dict(), - # ATA - 'ata_eh_recover': { 'args_x86_64': {'port':'+36(%di):s32'} }, - # i915 - 'i915_gem_resume': dict(), - 'i915_restore_state': dict(), - 'intel_opregion_setup': dict(), - 'g4x_pre_enable_dp': dict(), - 'vlv_pre_enable_dp': dict(), - 'chv_pre_enable_dp': dict(), - 'g4x_enable_dp': dict(), - 'vlv_enable_dp': dict(), - 'intel_hpd_init': dict(), - 'intel_opregion_register': dict(), - 'intel_dp_detect': dict(), - 'intel_hdmi_detect': dict(), - 'intel_opregion_init': dict(), - 'intel_fbdev_set_suspend': dict(), - } - kprobes = dict() - timeformat = '%.3f' - def __init__(self): - # if this is a phoronix test run, set some default options - if('LOG_FILE' in os.environ and 'TEST_RESULTS_IDENTIFIER' in os.environ): - self.embedded = True - self.addlogs = True - self.htmlfile = os.environ['LOG_FILE'] - self.archargs = 'args_'+platform.machine() - self.hostname = platform.node() - if(self.hostname == ''): - self.hostname = 'localhost' - rtc = "rtc0" - if os.path.exists('/dev/rtc'): - rtc = os.readlink('/dev/rtc') - rtc = '/sys/class/rtc/'+rtc - if os.path.exists(rtc) and os.path.exists(rtc+'/date') and \ - os.path.exists(rtc+'/time') and os.path.exists(rtc+'/wakealarm'): - self.rtcpath = rtc - if (hasattr(sys.stdout, 'isatty') and sys.stdout.isatty()): - self.ansi = True - def setPrecision(self, num): - if num < 0 or num > 6: - return - self.timeformat = '%.{0}f'.format(num) - def setOutputFolder(self, value): - args = dict() - n = datetime.now() - args['date'] = n.strftime('%y%m%d') - args['time'] = n.strftime('%H%M%S') - args['hostname'] = self.hostname - self.outdir = value.format(**args) - def setOutputFile(self): - if((self.htmlfile == '') and (self.dmesgfile != '')): - m = re.match('(?P.*)_dmesg\.txt$', self.dmesgfile) - if(m): - self.htmlfile = m.group('name')+'.html' - if((self.htmlfile == '') and (self.ftracefile != '')): - m = re.match('(?P.*)_ftrace\.txt$', self.ftracefile) - if(m): - self.htmlfile = m.group('name')+'.html' - if(self.htmlfile == ''): - self.htmlfile = 'output.html' - def initTestOutput(self, subdir, testpath=''): - self.prefix = self.hostname - v = open('/proc/version', 'r').read().strip() - kver = string.split(v)[2] - n = datetime.now() - testtime = n.strftime('suspend-%m%d%y-%H%M%S') - if not testpath: - testpath = n.strftime('suspend-%y%m%d-%H%M%S') - if(subdir != "."): - self.testdir = subdir+"/"+testpath - else: - self.testdir = testpath - self.teststamp = \ - '# '+testtime+' '+self.prefix+' '+self.suspendmode+' '+kver - if(self.embedded): - self.dmesgfile = \ - '/tmp/'+testtime+'_'+self.suspendmode+'_dmesg.txt' - self.ftracefile = \ - '/tmp/'+testtime+'_'+self.suspendmode+'_ftrace.txt' - return - self.dmesgfile = \ - self.testdir+'/'+self.prefix+'_'+self.suspendmode+'_dmesg.txt' - self.ftracefile = \ - self.testdir+'/'+self.prefix+'_'+self.suspendmode+'_ftrace.txt' - self.htmlfile = \ - self.testdir+'/'+self.prefix+'_'+self.suspendmode+'.html' - if not os.path.isdir(self.testdir): - os.mkdir(self.testdir) - def setDeviceFilter(self, value): - self.devicefilter = [] - if value: - value = value.split(',') - for i in value: - self.devicefilter.append(i.strip()) - def rtcWakeAlarmOn(self): - call('echo 0 > '+self.rtcpath+'/wakealarm', shell=True) - outD = open(self.rtcpath+'/date', 'r').read().strip() - outT = open(self.rtcpath+'/time', 'r').read().strip() - mD = re.match('^(?P[0-9]*)-(?P[0-9]*)-(?P[0-9]*)', outD) - mT = re.match('^(?P[0-9]*):(?P[0-9]*):(?P[0-9]*)', outT) - if(mD and mT): - # get the current time from hardware - utcoffset = int((datetime.now() - datetime.utcnow()).total_seconds()) - dt = datetime(\ - int(mD.group('y')), int(mD.group('m')), int(mD.group('d')), - int(mT.group('h')), int(mT.group('m')), int(mT.group('s'))) - nowtime = int(dt.strftime('%s')) + utcoffset - else: - # if hardware time fails, use the software time - nowtime = int(datetime.now().strftime('%s')) - alarm = nowtime + self.rtcwaketime - call('echo %d > %s/wakealarm' % (alarm, self.rtcpath), shell=True) - def rtcWakeAlarmOff(self): - call('echo 0 > %s/wakealarm' % self.rtcpath, shell=True) - def initdmesg(self): - # get the latest time stamp from the dmesg log - fp = Popen('dmesg', stdout=PIPE).stdout - ktime = '0' - for line in fp: - line = line.replace('\r\n', '') - idx = line.find('[') - if idx > 1: - line = line[idx:] - m = re.match('[ \t]*(\[ *)(?P[0-9\.]*)(\]) (?P.*)', line) - if(m): - ktime = m.group('ktime') - fp.close() - self.dmesgstart = float(ktime) - def getdmesg(self): - # store all new dmesg lines since initdmesg was called - fp = Popen('dmesg', stdout=PIPE).stdout - op = open(self.dmesgfile, 'a') - for line in fp: - line = line.replace('\r\n', '') - idx = line.find('[') - if idx > 1: - line = line[idx:] - m = re.match('[ \t]*(\[ *)(?P[0-9\.]*)(\]) (?P.*)', line) - if(not m): - continue - ktime = float(m.group('ktime')) - if ktime > self.dmesgstart: - op.write(line) - fp.close() - op.close() - def addFtraceFilterFunctions(self, file): - fp = open(file) - list = fp.read().split('\n') - fp.close() - for i in list: - if len(i) < 2: - continue - self.tracefuncs[i] = dict() - def getFtraceFilterFunctions(self, current): - rootCheck(True) - if not current: - call('cat '+self.tpath+'available_filter_functions', shell=True) - return - fp = open(self.tpath+'available_filter_functions') - master = fp.read().split('\n') - fp.close() - for i in self.tracefuncs: - if 'func' in self.tracefuncs[i]: - i = self.tracefuncs[i]['func'] - if i in master: - print i - else: - print self.colorText(i) - def setFtraceFilterFunctions(self, list): - fp = open(self.tpath+'available_filter_functions') - master = fp.read().split('\n') - fp.close() - flist = '' - for i in list: - if i not in master: - continue - if ' [' in i: - flist += i.split(' ')[0]+'\n' - else: - flist += i+'\n' - fp = open(self.tpath+'set_graph_function', 'w') - fp.write(flist) - fp.close() - def basicKprobe(self, name): - self.kprobes[name] = {'name': name,'func': name,'args': dict(),'format': name} - def defaultKprobe(self, name, kdata): - k = kdata - for field in ['name', 'format', 'func']: - if field not in k: - k[field] = name - if self.archargs in k: - k['args'] = k[self.archargs] - else: - k['args'] = dict() - k['format'] = name - self.kprobes[name] = k - def kprobeColor(self, name): - if name not in self.kprobes or 'color' not in self.kprobes[name]: - return '' - return self.kprobes[name]['color'] - def kprobeDisplayName(self, name, dataraw): - if name not in self.kprobes: - self.basicKprobe(name) - data = '' - quote=0 - # first remvoe any spaces inside quotes, and the quotes - for c in dataraw: - if c == '"': - quote = (quote + 1) % 2 - if quote and c == ' ': - data += '_' - elif c != '"': - data += c - fmt, args = self.kprobes[name]['format'], self.kprobes[name]['args'] - arglist = dict() - # now process the args - for arg in sorted(args): - arglist[arg] = '' - m = re.match('.* '+arg+'=(?P.*) ', data); - if m: - arglist[arg] = m.group('arg') - else: - m = re.match('.* '+arg+'=(?P.*)', data); - if m: - arglist[arg] = m.group('arg') - out = fmt.format(**arglist) - out = out.replace(' ', '_').replace('"', '') - return out - def kprobeText(self, kname, kprobe): - name = fmt = func = kname - args = dict() - if 'name' in kprobe: - name = kprobe['name'] - if 'format' in kprobe: - fmt = kprobe['format'] - if 'func' in kprobe: - func = kprobe['func'] - if self.archargs in kprobe: - args = kprobe[self.archargs] - if 'args' in kprobe: - args = kprobe['args'] - if re.findall('{(?P[a-z,A-Z,0-9]*)}', func): - doError('Kprobe "%s" has format info in the function name "%s"' % (name, func)) - for arg in re.findall('{(?P[a-z,A-Z,0-9]*)}', fmt): - if arg not in args: - doError('Kprobe "%s" is missing argument "%s"' % (name, arg)) - val = 'p:%s_cal %s' % (name, func) - for i in sorted(args): - val += ' %s=%s' % (i, args[i]) - val += '\nr:%s_ret %s $retval\n' % (name, func) - return val - def addKprobes(self, output=False): - if len(sysvals.kprobes) < 1: - return - if output: - print(' kprobe functions in this kernel:') - # first test each kprobe - rejects = [] - # sort kprobes: trace, ub-dev, custom, dev - kpl = [[], [], [], []] - for name in sorted(self.kprobes): - res = self.colorText('YES', 32) - if not self.testKprobe(name, self.kprobes[name]): - res = self.colorText('NO') - rejects.append(name) - else: - if name in self.tracefuncs: - kpl[0].append(name) - elif name in self.dev_tracefuncs: - if 'ub' in self.dev_tracefuncs[name]: - kpl[1].append(name) - else: - kpl[3].append(name) - else: - kpl[2].append(name) - if output: - print(' %s: %s' % (name, res)) - kplist = kpl[0] + kpl[1] + kpl[2] + kpl[3] - # remove all failed ones from the list - for name in rejects: - self.kprobes.pop(name) - # set the kprobes all at once - self.fsetVal('', 'kprobe_events') - kprobeevents = '' - for kp in kplist: - kprobeevents += self.kprobeText(kp, self.kprobes[kp]) - self.fsetVal(kprobeevents, 'kprobe_events') - # verify that the kprobes were set as ordered - check = self.fgetVal('kprobe_events') - linesout = len(kprobeevents.split('\n')) - 1 - linesack = len(check.split('\n')) - 1 - if output: - res = '%d/%d' % (linesack, linesout) - if linesack < linesout: - res = self.colorText(res, 31) - else: - res = self.colorText(res, 32) - print(' working kprobe functions enabled: %s' % res) - self.fsetVal('1', 'events/kprobes/enable') - def testKprobe(self, kname, kprobe): - self.fsetVal('0', 'events/kprobes/enable') - kprobeevents = self.kprobeText(kname, kprobe) - if not kprobeevents: - return False - try: - self.fsetVal(kprobeevents, 'kprobe_events') - check = self.fgetVal('kprobe_events') - except: - return False - linesout = len(kprobeevents.split('\n')) - linesack = len(check.split('\n')) - if linesack < linesout: - return False - return True - def fsetVal(self, val, path, mode='w'): - file = self.tpath+path - if not os.path.exists(file): - return False - try: - fp = open(file, mode, 0) - fp.write(val) - fp.flush() - fp.close() - except: - pass - return True - def fgetVal(self, path): - file = self.tpath+path - res = '' - if not os.path.exists(file): - return res - try: - fp = open(file, 'r') - res = fp.read() - fp.close() - except: - pass - return res - def cleanupFtrace(self): - if(self.usecallgraph or self.usetraceevents): - self.fsetVal('0', 'events/kprobes/enable') - self.fsetVal('', 'kprobe_events') - def setupAllKprobes(self): - for name in self.tracefuncs: - self.defaultKprobe(name, self.tracefuncs[name]) - for name in self.dev_tracefuncs: - self.defaultKprobe(name, self.dev_tracefuncs[name]) - def isCallgraphFunc(self, name): - if len(self.tracefuncs) < 1 and self.suspendmode == 'command': - return True - for i in self.tracefuncs: - if 'func' in self.tracefuncs[i]: - f = self.tracefuncs[i]['func'] - else: - f = i - if name == f: - return True - return False - def initFtrace(self, testing=False): - print('INITIALIZING FTRACE...') - # turn trace off - self.fsetVal('0', 'tracing_on') - self.cleanupFtrace() - # set the trace clock to global - self.fsetVal('global', 'trace_clock') - # set trace buffer to a huge value - self.fsetVal('nop', 'current_tracer') - self.fsetVal('100000', 'buffer_size_kb') - # go no further if this is just a status check - if testing: - return - # initialize the callgraph trace - if(self.usecallgraph): - # set trace type - self.fsetVal('function_graph', 'current_tracer') - self.fsetVal('', 'set_ftrace_filter') - # set trace format options - self.fsetVal('print-parent', 'trace_options') - self.fsetVal('funcgraph-abstime', 'trace_options') - self.fsetVal('funcgraph-cpu', 'trace_options') - self.fsetVal('funcgraph-duration', 'trace_options') - self.fsetVal('funcgraph-proc', 'trace_options') - self.fsetVal('funcgraph-tail', 'trace_options') - self.fsetVal('nofuncgraph-overhead', 'trace_options') - self.fsetVal('context-info', 'trace_options') - self.fsetVal('graph-time', 'trace_options') - self.fsetVal('0', 'max_graph_depth') - cf = ['dpm_run_callback'] - if(self.usetraceeventsonly): - cf += ['dpm_prepare', 'dpm_complete'] - for fn in self.tracefuncs: - if 'func' in self.tracefuncs[fn]: - cf.append(self.tracefuncs[fn]['func']) - else: - cf.append(fn) - self.setFtraceFilterFunctions(cf) - # initialize the kprobe trace - elif self.usekprobes: - for name in self.tracefuncs: - self.defaultKprobe(name, self.tracefuncs[name]) - if self.usedevsrc: - for name in self.dev_tracefuncs: - self.defaultKprobe(name, self.dev_tracefuncs[name]) - print('INITIALIZING KPROBES...') - self.addKprobes(self.verbose) - if(self.usetraceevents): - # turn trace events on - events = iter(self.traceevents) - for e in events: - self.fsetVal('1', 'events/power/'+e+'/enable') - # clear the trace buffer - self.fsetVal('', 'trace') - def verifyFtrace(self): - # files needed for any trace data - files = ['buffer_size_kb', 'current_tracer', 'trace', 'trace_clock', - 'trace_marker', 'trace_options', 'tracing_on'] - # files needed for callgraph trace data - tp = self.tpath - if(self.usecallgraph): - files += [ - 'available_filter_functions', - 'set_ftrace_filter', - 'set_graph_function' - ] - for f in files: - if(os.path.exists(tp+f) == False): - return False - return True - def verifyKprobes(self): - # files needed for kprobes to work - files = ['kprobe_events', 'events'] - tp = self.tpath - for f in files: - if(os.path.exists(tp+f) == False): - return False - return True - def colorText(self, str, color=31): - if not self.ansi: - return str - return '\x1B[%d;40m%s\x1B[m' % (color, str) - -sysvals = SystemValues() - -# Class: DevProps -# Description: -# Simple class which holds property values collected -# for all the devices used in the timeline. -class DevProps: - syspath = '' - altname = '' - async = True - xtraclass = '' - xtrainfo = '' - def out(self, dev): - return '%s,%s,%d;' % (dev, self.altname, self.async) - def debug(self, dev): - print '%s:\n\taltname = %s\n\t async = %s' % (dev, self.altname, self.async) - def altName(self, dev): - if not self.altname or self.altname == dev: - return dev - return '%s [%s]' % (self.altname, dev) - def xtraClass(self): - if self.xtraclass: - return ' '+self.xtraclass - if not self.async: - return ' sync' - return '' - def xtraInfo(self): - if self.xtraclass: - return ' '+self.xtraclass - if self.async: - return ' async_device' - return ' sync_device' - -# Class: DeviceNode -# Description: -# A container used to create a device hierachy, with a single root node -# and a tree of child nodes. Used by Data.deviceTopology() -class DeviceNode: - name = '' - children = 0 - depth = 0 - def __init__(self, nodename, nodedepth): - self.name = nodename - self.children = [] - self.depth = nodedepth - -# Class: Data -# Description: -# The primary container for suspend/resume test data. There is one for -# each test run. The data is organized into a cronological hierarchy: -# Data.dmesg { -# phases { -# 10 sequential, non-overlapping phases of S/R -# contents: times for phase start/end, order/color data for html -# devlist { -# device callback or action list for this phase -# device { -# a single device callback or generic action -# contents: start/stop times, pid/cpu/driver info -# parents/children, html id for timeline/callgraph -# optionally includes an ftrace callgraph -# optionally includes dev/ps data -# } -# } -# } -# } -# -class Data: - dmesg = {} # root data structure - phases = [] # ordered list of phases - start = 0.0 # test start - end = 0.0 # test end - tSuspended = 0.0 # low-level suspend start - tResumed = 0.0 # low-level resume start - tKernSus = 0.0 # kernel level suspend start - tKernRes = 0.0 # kernel level resume end - tLow = 0.0 # time spent in low-level suspend (standby/freeze) - fwValid = False # is firmware data available - fwSuspend = 0 # time spent in firmware suspend - fwResume = 0 # time spent in firmware resume - dmesgtext = [] # dmesg text file in memory - pstl = 0 # process timeline - testnumber = 0 - idstr = '' - html_device_id = 0 - stamp = 0 - outfile = '' - devpids = [] - kerror = False - def __init__(self, num): - idchar = 'abcdefghij' - self.pstl = dict() - self.testnumber = num - self.idstr = idchar[num] - self.dmesgtext = [] - self.phases = [] - self.dmesg = { # fixed list of 10 phases - 'suspend_prepare': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': '#CCFFCC', 'order': 0}, - 'suspend': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': '#88FF88', 'order': 1}, - 'suspend_late': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': '#00AA00', 'order': 2}, - 'suspend_noirq': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': '#008888', 'order': 3}, - 'suspend_machine': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': '#0000FF', 'order': 4}, - 'resume_machine': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': '#FF0000', 'order': 5}, - 'resume_noirq': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': '#FF9900', 'order': 6}, - 'resume_early': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': '#FFCC00', 'order': 7}, - 'resume': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': '#FFFF88', 'order': 8}, - 'resume_complete': {'list': dict(), 'start': -1.0, 'end': -1.0, - 'row': 0, 'color': '#FFFFCC', 'order': 9} - } - self.phases = self.sortedPhases() - self.devicegroups = [] - for phase in self.phases: - self.devicegroups.append([phase]) - self.errorinfo = {'suspend':[],'resume':[]} - def extractErrorInfo(self, dmesg): - error = '' - tm = 0.0 - for i in range(len(dmesg)): - if 'Call Trace:' in dmesg[i]: - m = re.match('[ \t]*(\[ *)(?P[0-9\.]*)(\]) .*', dmesg[i]) - if not m: - continue - tm = float(m.group('ktime')) - if tm < self.start or tm > self.end: - continue - for j in range(i-10, i+1): - error += dmesg[j] - continue - if error: - m = re.match('[ \t]*\[ *[0-9\.]*\] \[\<[0-9a-fA-F]*\>\] .*', dmesg[i]) - if m: - error += dmesg[i] - else: - if tm < self.tSuspended: - dir = 'suspend' - else: - dir = 'resume' - error = error.replace('<', '<').replace('>', '>') - vprint('kernel error found in %s at %f' % (dir, tm)) - self.errorinfo[dir].append((tm, error)) - self.kerror = True - error = '' - def setStart(self, time): - self.start = time - def setEnd(self, time): - self.end = time - def isTraceEventOutsideDeviceCalls(self, pid, time): - for phase in self.phases: - list = self.dmesg[phase]['list'] - for dev in list: - d = list[dev] - if(d['pid'] == pid and time >= d['start'] and - time < d['end']): - return False - return True - def sourcePhase(self, start): - for phase in self.phases: - pend = self.dmesg[phase]['end'] - if start <= pend: - return phase - return 'resume_complete' - def sourceDevice(self, phaselist, start, end, pid, type): - tgtdev = '' - for phase in phaselist: - list = self.dmesg[phase]['list'] - for devname in list: - dev = list[devname] - # pid must match - if dev['pid'] != pid: - continue - devS = dev['start'] - devE = dev['end'] - if type == 'device': - # device target event is entirely inside the source boundary - if(start < devS or start >= devE or end <= devS or end > devE): - continue - elif type == 'thread': - # thread target event will expand the source boundary - if start < devS: - dev['start'] = start - if end > devE: - dev['end'] = end - tgtdev = dev - break - return tgtdev - def addDeviceFunctionCall(self, displayname, kprobename, proc, pid, start, end, cdata, rdata): - # try to place the call in a device - tgtdev = self.sourceDevice(self.phases, start, end, pid, 'device') - # calls with device pids that occur outside device bounds are dropped - # TODO: include these somehow - if not tgtdev and pid in self.devpids: - return False - # try to place the call in a thread - if not tgtdev: - tgtdev = self.sourceDevice(self.phases, start, end, pid, 'thread') - # create new thread blocks, expand as new calls are found - if not tgtdev: - if proc == '<...>': - threadname = 'kthread-%d' % (pid) - else: - threadname = '%s-%d' % (proc, pid) - tgtphase = self.sourcePhase(start) - self.newAction(tgtphase, threadname, pid, '', start, end, '', ' kth', '') - return self.addDeviceFunctionCall(displayname, kprobename, proc, pid, start, end, cdata, rdata) - # this should not happen - if not tgtdev: - vprint('[%f - %f] %s-%d %s %s %s' % \ - (start, end, proc, pid, kprobename, cdata, rdata)) - return False - # place the call data inside the src element of the tgtdev - if('src' not in tgtdev): - tgtdev['src'] = [] - dtf = sysvals.dev_tracefuncs - ubiquitous = False - if kprobename in dtf and 'ub' in dtf[kprobename]: - ubiquitous = True - title = cdata+' '+rdata - mstr = '\(.*\) *(?P.*) *\((?P.*)\+.* arg1=(?P.*)' - m = re.match(mstr, title) - if m: - c = m.group('caller') - a = m.group('args').strip() - r = m.group('ret') - if len(r) > 6: - r = '' - else: - r = 'ret=%s ' % r - if ubiquitous and c in dtf and 'ub' in dtf[c]: - return False - color = sysvals.kprobeColor(kprobename) - e = DevFunction(displayname, a, c, r, start, end, ubiquitous, proc, pid, color) - tgtdev['src'].append(e) - return True - def overflowDevices(self): - # get a list of devices that extend beyond the end of this test run - devlist = [] - for phase in self.phases: - list = self.dmesg[phase]['list'] - for devname in list: - dev = list[devname] - if dev['end'] > self.end: - devlist.append(dev) - return devlist - def mergeOverlapDevices(self, devlist): - # merge any devices that overlap devlist - for dev in devlist: - devname = dev['name'] - for phase in self.phases: - list = self.dmesg[phase]['list'] - if devname not in list: - continue - tdev = list[devname] - o = min(dev['end'], tdev['end']) - max(dev['start'], tdev['start']) - if o <= 0: - continue - dev['end'] = tdev['end'] - if 'src' not in dev or 'src' not in tdev: - continue - dev['src'] += tdev['src'] - del list[devname] - def usurpTouchingThread(self, name, dev): - # the caller test has priority of this thread, give it to him - for phase in self.phases: - list = self.dmesg[phase]['list'] - if name in list: - tdev = list[name] - if tdev['start'] - dev['end'] < 0.1: - dev['end'] = tdev['end'] - if 'src' not in dev: - dev['src'] = [] - if 'src' in tdev: - dev['src'] += tdev['src'] - del list[name] - break - def stitchTouchingThreads(self, testlist): - # merge any threads between tests that touch - for phase in self.phases: - list = self.dmesg[phase]['list'] - for devname in list: - dev = list[devname] - if 'htmlclass' not in dev or 'kth' not in dev['htmlclass']: - continue - for data in testlist: - data.usurpTouchingThread(devname, dev) - def optimizeDevSrc(self): - # merge any src call loops to reduce timeline size - for phase in self.phases: - list = self.dmesg[phase]['list'] - for dev in list: - if 'src' not in list[dev]: - continue - src = list[dev]['src'] - p = 0 - for e in sorted(src, key=lambda event: event.time): - if not p or not e.repeat(p): - p = e - continue - # e is another iteration of p, move it into p - p.end = e.end - p.length = p.end - p.time - p.count += 1 - src.remove(e) - def trimTimeVal(self, t, t0, dT, left): - if left: - if(t > t0): - if(t - dT < t0): - return t0 - return t - dT - else: - return t - else: - if(t < t0 + dT): - if(t > t0): - return t0 + dT - return t + dT - else: - return t - def trimTime(self, t0, dT, left): - self.tSuspended = self.trimTimeVal(self.tSuspended, t0, dT, left) - self.tResumed = self.trimTimeVal(self.tResumed, t0, dT, left) - self.start = self.trimTimeVal(self.start, t0, dT, left) - self.tKernSus = self.trimTimeVal(self.tKernSus, t0, dT, left) - self.tKernRes = self.trimTimeVal(self.tKernRes, t0, dT, left) - self.end = self.trimTimeVal(self.end, t0, dT, left) - for phase in self.phases: - p = self.dmesg[phase] - p['start'] = self.trimTimeVal(p['start'], t0, dT, left) - p['end'] = self.trimTimeVal(p['end'], t0, dT, left) - list = p['list'] - for name in list: - d = list[name] - d['start'] = self.trimTimeVal(d['start'], t0, dT, left) - d['end'] = self.trimTimeVal(d['end'], t0, dT, left) - if('ftrace' in d): - cg = d['ftrace'] - cg.start = self.trimTimeVal(cg.start, t0, dT, left) - cg.end = self.trimTimeVal(cg.end, t0, dT, left) - for line in cg.list: - line.time = self.trimTimeVal(line.time, t0, dT, left) - if('src' in d): - for e in d['src']: - e.time = self.trimTimeVal(e.time, t0, dT, left) - def normalizeTime(self, tZero): - # trim out any standby or freeze clock time - if(self.tSuspended != self.tResumed): - if(self.tResumed > tZero): - self.trimTime(self.tSuspended, \ - self.tResumed-self.tSuspended, True) - else: - self.trimTime(self.tSuspended, \ - self.tResumed-self.tSuspended, False) - def setPhase(self, phase, ktime, isbegin): - if(isbegin): - self.dmesg[phase]['start'] = ktime - else: - self.dmesg[phase]['end'] = ktime - def dmesgSortVal(self, phase): - return self.dmesg[phase]['order'] - def sortedPhases(self): - return sorted(self.dmesg, key=self.dmesgSortVal) - def sortedDevices(self, phase): - list = self.dmesg[phase]['list'] - slist = [] - tmp = dict() - for devname in list: - dev = list[devname] - tmp[dev['start']] = devname - for t in sorted(tmp): - slist.append(tmp[t]) - return slist - def fixupInitcalls(self, phase): - # if any calls never returned, clip them at system resume end - phaselist = self.dmesg[phase]['list'] - for devname in phaselist: - dev = phaselist[devname] - if(dev['end'] < 0): - for p in self.phases: - if self.dmesg[p]['end'] > dev['start']: - dev['end'] = self.dmesg[p]['end'] - break - vprint('%s (%s): callback didnt return' % (devname, phase)) - def deviceFilter(self, devicefilter): - for phase in self.phases: - list = self.dmesg[phase]['list'] - rmlist = [] - for name in list: - keep = False - for filter in devicefilter: - if filter in name or \ - ('drv' in list[name] and filter in list[name]['drv']): - keep = True - if not keep: - rmlist.append(name) - for name in rmlist: - del list[name] - def fixupInitcallsThatDidntReturn(self): - # if any calls never returned, clip them at system resume end - for phase in self.phases: - self.fixupInitcalls(phase) - def phaseOverlap(self, phases): - rmgroups = [] - newgroup = [] - for group in self.devicegroups: - for phase in phases: - if phase not in group: - continue - for p in group: - if p not in newgroup: - newgroup.append(p) - if group not in rmgroups: - rmgroups.append(group) - for group in rmgroups: - self.devicegroups.remove(group) - self.devicegroups.append(newgroup) - def newActionGlobal(self, name, start, end, pid=-1, color=''): - # which phase is this device callback or action in - targetphase = 'none' - htmlclass = '' - overlap = 0.0 - phases = [] - for phase in self.phases: - pstart = self.dmesg[phase]['start'] - pend = self.dmesg[phase]['end'] - # see if the action overlaps this phase - o = max(0, min(end, pend) - max(start, pstart)) - if o > 0: - phases.append(phase) - # set the target phase to the one that overlaps most - if o > overlap: - if overlap > 0 and phase == 'post_resume': - continue - targetphase = phase - overlap = o - # if no target phase was found, pin it to the edge - if targetphase == 'none': - p0start = self.dmesg[self.phases[0]]['start'] - if start <= p0start: - targetphase = self.phases[0] - else: - targetphase = self.phases[-1] - if pid == -2: - htmlclass = ' bg' - elif pid == -3: - htmlclass = ' ps' - if len(phases) > 1: - htmlclass = ' bg' - self.phaseOverlap(phases) - if targetphase in self.phases: - newname = self.newAction(targetphase, name, pid, '', start, end, '', htmlclass, color) - return (targetphase, newname) - return False - def newAction(self, phase, name, pid, parent, start, end, drv, htmlclass='', color=''): - # 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 - if pid == -2: - i = 2 - origname = name - while(name in list): - name = '%s[%d]' % (origname, i) - i += 1 - list[name] = {'name': name, 'start': start, 'end': end, 'pid': pid, - 'par': parent, 'length': length, 'row': 0, 'id': devid, 'drv': drv } - if htmlclass: - list[name]['htmlclass'] = htmlclass - if color: - list[name]['color'] = color - return name - def deviceChildren(self, devname, phase): - devlist = [] - list = self.dmesg[phase]['list'] - for child in list: - if(list[child]['par'] == devname): - devlist.append(child) - return devlist - def printDetails(self): - vprint('Timeline Details:') - vprint(' test start: %f' % self.start) - vprint('kernel suspend start: %f' % self.tKernSus) - for phase in self.phases: - dc = len(self.dmesg[phase]['list']) - vprint(' %16s: %f - %f (%d devices)' % (phase, \ - self.dmesg[phase]['start'], self.dmesg[phase]['end'], dc)) - vprint(' kernel resume end: %f' % self.tKernRes) - vprint(' test end: %f' % self.end) - def deviceChildrenAllPhases(self, devname): - devlist = [] - for phase in self.phases: - list = self.deviceChildren(devname, phase) - for dev in list: - if dev not in devlist: - devlist.append(dev) - return devlist - def masterTopology(self, name, list, depth): - node = DeviceNode(name, depth) - for cname in list: - # avoid recursions - if name == cname: - continue - clist = self.deviceChildrenAllPhases(cname) - cnode = self.masterTopology(cname, clist, depth+1) - node.children.append(cnode) - return node - def printTopology(self, node): - html = '' - if node.name: - info = '' - drv = '' - for phase in self.phases: - list = self.dmesg[phase]['list'] - if node.name in list: - s = list[node.name]['start'] - e = list[node.name]['end'] - if list[node.name]['drv']: - drv = ' {'+list[node.name]['drv']+'}' - info += ('
  • %s: %.3fms
    • ' % (phase, (e-s)*1000)) - html += '
  • '+node.name+drv+'' - if info: - html += '
      '+info+'
    ' - html += '
    • ' - if len(node.children) > 0: - html += '
      ' - for cnode in node.children: - html += self.printTopology(cnode) - html += '
    ' - return html - def rootDeviceList(self): - # list of devices graphed - real = [] - for phase in self.dmesg: - list = self.dmesg[phase]['list'] - for dev in list: - if list[dev]['pid'] >= 0 and dev not in real: - real.append(dev) - # list of top-most root devices - rootlist = [] - for phase in self.dmesg: - list = self.dmesg[phase]['list'] - for dev in list: - pdev = list[dev]['par'] - pid = list[dev]['pid'] - if(pid < 0 or re.match('[0-9]*-[0-9]*\.[0-9]*[\.0-9]*\:[\.0-9]*$', pdev)): - continue - if pdev and pdev not in real and pdev not in rootlist: - rootlist.append(pdev) - return rootlist - def deviceTopology(self): - rootlist = self.rootDeviceList() - master = self.masterTopology('', rootlist, 0) - return self.printTopology(master) - def selectTimelineDevices(self, widfmt, tTotal, mindevlen): - # only select devices that will actually show up in html - self.tdevlist = dict() - for phase in self.dmesg: - devlist = [] - list = self.dmesg[phase]['list'] - for dev in list: - length = (list[dev]['end'] - list[dev]['start']) * 1000 - width = widfmt % (((list[dev]['end']-list[dev]['start'])*100)/tTotal) - if width != '0.000000' and length >= mindevlen: - devlist.append(dev) - self.tdevlist[phase] = devlist - def addHorizontalDivider(self, devname, devend): - phase = 'suspend_prepare' - self.newAction(phase, devname, -2, '', \ - self.start, devend, '', ' sec', '') - if phase not in self.tdevlist: - self.tdevlist[phase] = [] - self.tdevlist[phase].append(devname) - d = DevItem(0, phase, self.dmesg[phase]['list'][devname]) - return d - def addProcessUsageEvent(self, name, times): - # get the start and end times for this process - maxC = 0 - tlast = 0 - start = -1 - end = -1 - for t in sorted(times): - if tlast == 0: - tlast = t - continue - if name in self.pstl[t]: - if start == -1 or tlast < start: - start = tlast - if end == -1 or t > end: - end = t - tlast = t - if start == -1 or end == -1: - return 0 - # add a new action for this process and get the object - out = self.newActionGlobal(name, start, end, -3) - if not out: - return 0 - phase, devname = out - dev = self.dmesg[phase]['list'][devname] - # get the cpu exec data - tlast = 0 - clast = 0 - cpuexec = dict() - for t in sorted(times): - if tlast == 0 or t <= start or t > end: - tlast = t - continue - list = self.pstl[t] - c = 0 - if name in list: - c = list[name] - if c > maxC: - maxC = c - if c != clast: - key = (tlast, t) - cpuexec[key] = c - tlast = t - clast = c - dev['cpuexec'] = cpuexec - return maxC - def createProcessUsageEvents(self): - # get an array of process names - proclist = [] - for t in self.pstl: - pslist = self.pstl[t] - for ps in pslist: - if ps not in proclist: - proclist.append(ps) - # get a list of data points for suspend and resume - tsus = [] - tres = [] - for t in sorted(self.pstl): - if t < self.tSuspended: - tsus.append(t) - else: - tres.append(t) - # process the events for suspend and resume - if len(proclist) > 0: - vprint('Process Execution:') - for ps in proclist: - c = self.addProcessUsageEvent(ps, tsus) - if c > 0: - vprint('%25s (sus): %d' % (ps, c)) - c = self.addProcessUsageEvent(ps, tres) - if c > 0: - vprint('%25s (res): %d' % (ps, c)) - -# Class: DevFunction -# Description: -# A container for kprobe function data we want in the dev timeline -class DevFunction: - row = 0 - count = 1 - def __init__(self, name, args, caller, ret, start, end, u, proc, pid, color): - self.name = name - self.args = args - self.caller = caller - self.ret = ret - self.time = start - self.length = end - start - self.end = end - self.ubiquitous = u - self.proc = proc - self.pid = pid - self.color = color - def title(self): - cnt = '' - if self.count > 1: - cnt = '(x%d)' % self.count - l = '%0.3fms' % (self.length * 1000) - if self.ubiquitous: - title = '%s(%s)%s <- %s, %s(%s)' % \ - (self.name, self.args, cnt, self.caller, self.ret, l) - else: - title = '%s(%s) %s%s(%s)' % (self.name, self.args, self.ret, cnt, l) - return title.replace('"', '') - def text(self): - if self.count > 1: - text = '%s(x%d)' % (self.name, self.count) - else: - text = self.name - return text - def repeat(self, tgt): - # is the tgt call just a repeat of this call (e.g. are we in a loop) - dt = self.time - tgt.end - # only combine calls if -all- attributes are identical - if tgt.caller == self.caller and \ - tgt.name == self.name and tgt.args == self.args and \ - tgt.proc == self.proc and tgt.pid == self.pid and \ - tgt.ret == self.ret and dt >= 0 and \ - dt <= sysvals.callloopmaxgap and \ - self.length < sysvals.callloopmaxlen: - return True - return False - -# Class: FTraceLine -# Description: -# A container for a single line of ftrace data. There are six basic types: -# callgraph line: -# call: " dpm_run_callback() {" -# return: " }" -# leaf: " dpm_run_callback();" -# trace event: -# tracing_mark_write: SUSPEND START or RESUME COMPLETE -# suspend_resume: phase or custom exec block data -# device_pm_callback: device callback info -class FTraceLine: - time = 0.0 - length = 0.0 - fcall = False - freturn = False - fevent = False - fkprobe = False - depth = 0 - name = '' - type = '' - def __init__(self, t, m='', d=''): - self.time = float(t) - if not m and not d: - return - # is this a trace event - if(d == 'traceevent' or re.match('^ *\/\* *(?P.*) \*\/ *$', m)): - if(d == 'traceevent'): - # nop format trace event - msg = m - else: - # function_graph format trace event - em = re.match('^ *\/\* *(?P.*) \*\/ *$', m) - msg = em.group('msg') - - emm = re.match('^(?P.*?): (?P.*)', msg) - if(emm): - self.name = emm.group('msg') - self.type = emm.group('call') - else: - self.name = msg - km = re.match('^(?P.*)_cal$', self.type) - if km: - self.fcall = True - self.fkprobe = True - self.type = km.group('n') - return - km = re.match('^(?P.*)_ret$', self.type) - if km: - self.freturn = True - self.fkprobe = True - self.type = km.group('n') - return - self.fevent = True - return - # convert the duration to seconds - if(d): - self.length = float(d)/1000000 - # the indentation determines the depth - match = re.match('^(?P *)(?P.*)$', m) - if(not match): - return - self.depth = self.getDepth(match.group('d')) - m = match.group('o') - # function return - if(m[0] == '}'): - self.freturn = True - if(len(m) > 1): - # includes comment with function name - match = re.match('^} *\/\* *(?P.*) *\*\/$', m) - if(match): - self.name = match.group('n').strip() - # function call - else: - self.fcall = True - # function call with children - if(m[-1] == '{'): - match = re.match('^(?P.*) *\(.*', m) - if(match): - self.name = match.group('n').strip() - # function call with no children (leaf) - elif(m[-1] == ';'): - self.freturn = True - match = re.match('^(?P.*) *\(.*', m) - if(match): - self.name = match.group('n').strip() - # something else (possibly a trace marker) - else: - self.name = m - def getDepth(self, str): - return len(str)/2 - def debugPrint(self, dev=''): - if(self.freturn and self.fcall): - print('%s -- %f (%02d): %s(); (%.3f us)' % (dev, self.time, \ - self.depth, self.name, self.length*1000000)) - elif(self.freturn): - print('%s -- %f (%02d): %s} (%.3f us)' % (dev, self.time, \ - self.depth, self.name, self.length*1000000)) - else: - print('%s -- %f (%02d): %s() { (%.3f us)' % (dev, self.time, \ - self.depth, self.name, self.length*1000000)) - def startMarker(self): - # Is this the starting line of a suspend? - if not self.fevent: - return False - if sysvals.usetracemarkers: - if(self.name == 'SUSPEND START'): - return True - return False - else: - if(self.type == 'suspend_resume' and - re.match('suspend_enter\[.*\] begin', self.name)): - return True - return False - def endMarker(self): - # Is this the ending line of a resume? - if not self.fevent: - return False - if sysvals.usetracemarkers: - if(self.name == 'RESUME COMPLETE'): - return True - return False - else: - if(self.type == 'suspend_resume' and - re.match('thaw_processes\[.*\] end', self.name)): - return True - return False - -# Class: FTraceCallGraph -# Description: -# A container for the ftrace callgraph of a single recursive function. -# This can be a dpm_run_callback, dpm_prepare, or dpm_complete callgraph -# Each instance is tied to a single device in a single phase, and is -# comprised of an ordered list of FTraceLine objects -class FTraceCallGraph: - start = -1.0 - end = -1.0 - list = [] - invalid = False - depth = 0 - pid = 0 - def __init__(self, pid): - self.start = -1.0 - self.end = -1.0 - self.list = [] - self.depth = 0 - self.pid = pid - def addLine(self, line, debug=False): - # if this is already invalid, just leave - if(self.invalid): - return False - # invalidate on too much data or bad depth - if(len(self.list) >= 1000000 or self.depth < 0): - self.invalidate(line) - return False - # compare current depth with this lines pre-call depth - prelinedep = line.depth - if(line.freturn and not line.fcall): - prelinedep += 1 - last = 0 - lasttime = line.time - virtualfname = 'execution_misalignment' - if len(self.list) > 0: - last = self.list[-1] - lasttime = last.time - # handle low misalignments by inserting returns - if prelinedep < self.depth: - if debug and last: - print '-------- task %d --------' % self.pid - last.debugPrint() - idx = 0 - # add return calls to get the depth down - while prelinedep < self.depth: - if debug: - print 'MISALIGN LOW (add returns): C%d - eC%d' % (self.depth, prelinedep) - self.depth -= 1 - if idx == 0 and last and last.fcall and not last.freturn: - # special case, turn last call into a leaf - last.depth = self.depth - last.freturn = True - last.length = line.time - last.time - if debug: - last.debugPrint() - else: - vline = FTraceLine(lasttime) - vline.depth = self.depth - vline.name = virtualfname - vline.freturn = True - self.list.append(vline) - if debug: - vline.debugPrint() - idx += 1 - if debug: - line.debugPrint() - print '' - # handle high misalignments by inserting calls - elif prelinedep > self.depth: - if debug and last: - print '-------- task %d --------' % self.pid - last.debugPrint() - idx = 0 - # add calls to get the depth up - while prelinedep > self.depth: - if debug: - print 'MISALIGN HIGH (add calls): C%d - eC%d' % (self.depth, prelinedep) - if idx == 0 and line.freturn and not line.fcall: - # special case, turn this return into a leaf - line.fcall = True - prelinedep -= 1 - else: - vline = FTraceLine(lasttime) - vline.depth = self.depth - vline.name = virtualfname - vline.fcall = True - if debug: - vline.debugPrint() - self.list.append(vline) - self.depth += 1 - if not last: - self.start = vline.time - idx += 1 - if debug: - line.debugPrint() - print '' - # process the call and set the new depth - if(line.fcall and not line.freturn): - self.depth += 1 - elif(line.freturn and not line.fcall): - self.depth -= 1 - if len(self.list) < 1: - self.start = line.time - self.list.append(line) - if(line.depth == 0 and line.freturn): - if(self.start < 0): - self.start = line.time - self.end = line.time - if line.fcall: - self.end += line.length - if self.list[0].name == virtualfname: - self.invalid = True - return True - return False - def invalidate(self, line): - if(len(self.list) > 0): - first = self.list[0] - self.list = [] - self.list.append(first) - self.invalid = True - id = 'task %s' % (self.pid) - window = '(%f - %f)' % (self.start, line.time) - if(self.depth < 0): - vprint('Too much data for '+id+\ - ' (buffer overflow), ignoring this callback') - else: - vprint('Too much data for '+id+\ - ' '+window+', ignoring this callback') - def slice(self, t0, tN): - minicg = FTraceCallGraph(0) - count = -1 - firstdepth = 0 - for l in self.list: - if(l.time < t0 or l.time > tN): - continue - if(count < 0): - if(not l.fcall or l.name == 'dev_driver_string'): - continue - firstdepth = l.depth - count = 0 - l.depth -= firstdepth - minicg.addLine(l) - if((count == 0 and l.freturn and l.fcall) or - (count > 0 and l.depth <= 0)): - break - count += 1 - return minicg - def repair(self, enddepth): - # bring the depth back to 0 with additional returns - fixed = False - last = self.list[-1] - for i in reversed(range(enddepth)): - t = FTraceLine(last.time) - t.depth = i - t.freturn = True - fixed = self.addLine(t) - if fixed: - self.end = last.time - return True - return False - def postProcess(self, debug=False): - stack = dict() - cnt = 0 - for l in self.list: - if(l.fcall and not l.freturn): - stack[l.depth] = l - cnt += 1 - elif(l.freturn and not l.fcall): - if(l.depth not in stack): - if debug: - print 'Post Process Error: Depth missing' - l.debugPrint() - return False - # transfer total time from return line to call line - stack[l.depth].length = l.length - stack.pop(l.depth) - l.length = 0 - cnt -= 1 - if(cnt == 0): - # trace caught the whole call tree - return True - elif(cnt < 0): - if debug: - print 'Post Process Error: Depth is less than 0' - return False - # trace ended before call tree finished - return self.repair(cnt) - def deviceMatch(self, pid, data): - found = False - # add the callgraph data to the device hierarchy - borderphase = { - 'dpm_prepare': 'suspend_prepare', - 'dpm_complete': 'resume_complete' - } - if(self.list[0].name in borderphase): - p = borderphase[self.list[0].name] - list = data.dmesg[p]['list'] - for devname in list: - dev = list[devname] - if(pid == dev['pid'] and - self.start <= dev['start'] and - self.end >= dev['end']): - dev['ftrace'] = self.slice(dev['start'], dev['end']) - found = True - return found - for p in data.phases: - if(data.dmesg[p]['start'] <= self.start and - self.start <= data.dmesg[p]['end']): - list = data.dmesg[p]['list'] - for devname in list: - dev = list[devname] - if(pid == dev['pid'] and - self.start <= dev['start'] and - self.end >= dev['end']): - dev['ftrace'] = self - found = True - break - break - return found - def newActionFromFunction(self, data): - name = self.list[0].name - if name in ['dpm_run_callback', 'dpm_prepare', 'dpm_complete']: - return - fs = self.start - fe = self.end - if fs < data.start or fe > data.end: - return - phase = '' - for p in data.phases: - if(data.dmesg[p]['start'] <= self.start and - self.start < data.dmesg[p]['end']): - phase = p - break - if not phase: - return - out = data.newActionGlobal(name, fs, fe, -2) - if out: - phase, myname = out - data.dmesg[phase]['list'][myname]['ftrace'] = self - def debugPrint(self): - print('[%f - %f] %s (%d)') % (self.start, self.end, self.list[0].name, self.pid) - for l in self.list: - if(l.freturn and l.fcall): - print('%f (%02d): %s(); (%.3f us)' % (l.time, \ - l.depth, l.name, l.length*1000000)) - elif(l.freturn): - print('%f (%02d): %s} (%.3f us)' % (l.time, \ - l.depth, l.name, l.length*1000000)) - else: - print('%f (%02d): %s() { (%.3f us)' % (l.time, \ - l.depth, l.name, l.length*1000000)) - print(' ') - -class DevItem: - def __init__(self, test, phase, dev): - self.test = test - self.phase = phase - self.dev = dev - def isa(self, cls): - if 'htmlclass' in self.dev and cls in self.dev['htmlclass']: - return True - return False - -# Class: Timeline -# Description: -# A container for a device timeline which calculates -# all the html properties to display it correctly -class Timeline: - html = {} - height = 0 # total timeline height - scaleH = 20 # timescale (top) row height - rowH = 30 # device row height - bodyH = 0 # body height - rows = 0 # total timeline rows - rowlines = dict() - rowheight = dict() - def __init__(self, rowheight, scaleheight): - self.rowH = rowheight - self.scaleH = scaleheight - self.html = { - 'header': '', - 'timeline': '', - 'legend': '', - } - # Function: getDeviceRows - # Description: - # determine how may rows the device funcs will take - # Arguments: - # rawlist: the list of devices/actions for a single phase - # Output: - # The total number of rows needed to display this phase of the timeline - def getDeviceRows(self, rawlist): - # clear all rows and set them to undefined - sortdict = dict() - for item in rawlist: - item.row = -1 - sortdict[item] = item.length - sortlist = sorted(sortdict, key=sortdict.get, reverse=True) - remaining = len(sortlist) - rowdata = dict() - row = 1 - # try to pack each row with as many ranges as possible - while(remaining > 0): - if(row not in rowdata): - rowdata[row] = [] - for i in sortlist: - if(i.row >= 0): - continue - s = i.time - e = i.time + i.length - valid = True - for ritem in rowdata[row]: - rs = ritem.time - re = ritem.time + ritem.length - if(not (((s <= rs) and (e <= rs)) or - ((s >= re) and (e >= re)))): - valid = False - break - if(valid): - rowdata[row].append(i) - i.row = row - remaining -= 1 - row += 1 - return row - # Function: getPhaseRows - # Description: - # Organize the timeline entries into the smallest - # number of rows possible, with no entry overlapping - # Arguments: - # devlist: the list of devices/actions in a group of contiguous phases - # Output: - # The total number of rows needed to display this phase of the timeline - def getPhaseRows(self, devlist, row=0): - # clear all rows and set them to undefined - remaining = len(devlist) - rowdata = dict() - sortdict = dict() - myphases = [] - # initialize all device rows to -1 and calculate devrows - for item in devlist: - dev = item.dev - tp = (item.test, item.phase) - if tp not in myphases: - myphases.append(tp) - dev['row'] = -1 - # sort by length 1st, then name 2nd - sortdict[item] = (float(dev['end']) - float(dev['start']), item.dev['name']) - if 'src' in dev: - dev['devrows'] = self.getDeviceRows(dev['src']) - # sort the devlist by length so that large items graph on top - sortlist = sorted(sortdict, key=sortdict.get, reverse=True) - orderedlist = [] - for item in sortlist: - if item.dev['pid'] == -2: - orderedlist.append(item) - for item in sortlist: - if item not in orderedlist: - orderedlist.append(item) - # try to pack each row with as many devices as possible - while(remaining > 0): - rowheight = 1 - if(row not in rowdata): - rowdata[row] = [] - for item in orderedlist: - dev = item.dev - if(dev['row'] < 0): - s = dev['start'] - e = dev['end'] - valid = True - for ritem in rowdata[row]: - rs = ritem.dev['start'] - re = ritem.dev['end'] - if(not (((s <= rs) and (e <= rs)) or - ((s >= re) and (e >= re)))): - valid = False - break - if(valid): - rowdata[row].append(item) - dev['row'] = row - remaining -= 1 - if 'devrows' in dev and dev['devrows'] > rowheight: - rowheight = dev['devrows'] - for t, p in myphases: - if t not in self.rowlines or t not in self.rowheight: - self.rowlines[t] = dict() - self.rowheight[t] = dict() - if p not in self.rowlines[t] or p not in self.rowheight[t]: - self.rowlines[t][p] = dict() - self.rowheight[t][p] = dict() - rh = self.rowH - # section headers should use a different row height - if len(rowdata[row]) == 1 and \ - 'htmlclass' in rowdata[row][0].dev and \ - 'sec' in rowdata[row][0].dev['htmlclass']: - rh = 15 - self.rowlines[t][p][row] = rowheight - self.rowheight[t][p][row] = rowheight * rh - row += 1 - if(row > self.rows): - self.rows = int(row) - return row - def phaseRowHeight(self, test, phase, row): - return self.rowheight[test][phase][row] - def phaseRowTop(self, test, phase, row): - top = 0 - for i in sorted(self.rowheight[test][phase]): - if i >= row: - break - top += self.rowheight[test][phase][i] - return top - # Function: calcTotalRows - # Description: - # Calculate the heights and offsets for the header and rows - def calcTotalRows(self): - maxrows = 0 - standardphases = [] - for t in self.rowlines: - for p in self.rowlines[t]: - total = 0 - for i in sorted(self.rowlines[t][p]): - total += self.rowlines[t][p][i] - if total > maxrows: - maxrows = total - if total == len(self.rowlines[t][p]): - standardphases.append((t, p)) - self.height = self.scaleH + (maxrows*self.rowH) - self.bodyH = self.height - self.scaleH - # if there is 1 line per row, draw them the standard way - for t, p in standardphases: - for i in sorted(self.rowheight[t][p]): - self.rowheight[t][p][i] = self.bodyH/len(self.rowlines[t][p]) - # Function: createTimeScale - # Description: - # Create the timescale for a timeline block - # Arguments: - # m0: start time (mode begin) - # mMax: end time (mode end) - # tTotal: total timeline time - # mode: suspend or resume - # Output: - # The html code needed to display the time scale - def createTimeScale(self, m0, mMax, tTotal, mode): - timescale = '
    {1}
    \n' - rline = '
    Resume
    \n' - output = '
    \n' - # set scale for timeline - mTotal = mMax - m0 - tS = 0.1 - if(tTotal <= 0): - return output+'
    \n' - if(tTotal > 4): - tS = 1 - divTotal = int(mTotal/tS) + 1 - divEdge = (mTotal - tS*(divTotal-1))*100/mTotal - for i in range(divTotal): - htmlline = '' - if(mode == 'resume'): - pos = '%0.3f' % (100 - ((float(i)*tS*100)/mTotal)) - val = '%0.fms' % (float(i)*tS*1000) - htmlline = timescale.format(pos, val) - if(i == 0): - htmlline = rline - else: - pos = '%0.3f' % (100 - ((float(i)*tS*100)/mTotal) - divEdge) - val = '%0.fms' % (float(i-divTotal+1)*tS*1000) - if(i == divTotal - 1): - val = 'Suspend' - htmlline = timescale.format(pos, val) - output += htmlline - output += '\n' - return output - -# Class: TestProps -# Description: -# A list of values describing the properties of these test runs -class TestProps: - stamp = '' - S0i3 = False - fwdata = [] - ftrace_line_fmt_fg = \ - '^ *(?P