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-rwxr-xr-xtools/power/pm-graph/bootgraph.py125
1 files changed, 64 insertions, 61 deletions
diff --git a/tools/power/pm-graph/bootgraph.py b/tools/power/pm-graph/bootgraph.py
index 8ee626c0f6a5..6dae57041537 100755
--- a/tools/power/pm-graph/bootgraph.py
+++ b/tools/power/pm-graph/bootgraph.py
@@ -34,6 +34,10 @@ from datetime import datetime, timedelta
from subprocess import call, Popen, PIPE
import sleepgraph as aslib
+def pprint(msg):
+ print(msg)
+ sys.stdout.flush()
+
# ----------------- CLASSES --------------------
# Class: SystemValues
@@ -157,11 +161,11 @@ class SystemValues(aslib.SystemValues):
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
+ pprint('To generate a new timeline manually, follow these steps:\n\n'\
+ '1. Add the CMDLINE string to your kernel command line.\n'\
+ '2. Reboot the system.\n'\
+ '3. After reboot, re-run this tool with the same arguments but no command (w/o -reboot or -manual).\n\n'\
+ 'CMDLINE="%s"' % cmdline)
sys.exit()
def blGrub(self):
blcmd = ''
@@ -431,7 +435,7 @@ def parseTraceLog(data):
if len(cg.list) < 1 or cg.invalid or (cg.end - cg.start == 0):
continue
if(not cg.postProcess()):
- print('Sanity check failed for %s-%d' % (proc, pid))
+ pprint('Sanity check failed for %s-%d' % (proc, pid))
continue
# match cg data to devices
devname = data.deviceMatch(pid, cg)
@@ -442,8 +446,8 @@ def parseTraceLog(data):
sysvals.vprint('%s callgraph found for %s %s-%d [%f - %f]' %\
(kind, cg.name, proc, pid, cg.start, cg.end))
elif len(cg.list) > 1000000:
- print 'WARNING: the callgraph found for %s is massive! (%d lines)' %\
- (devname, len(cg.list))
+ pprint('WARNING: the callgraph found for %s is massive! (%d lines)' %\
+ (devname, len(cg.list)))
# Function: retrieveLogs
# Description:
@@ -528,7 +532,7 @@ def createBootGraph(data):
tMax = data.end
tTotal = tMax - t0
if(tTotal == 0):
- print('ERROR: No timeline data')
+ pprint('ERROR: No timeline data')
return False
user_mode = '%.0f'%(data.tUserMode*1000)
last_init = '%.0f'%(tTotal*1000)
@@ -734,7 +738,7 @@ def updateCron(restore=False):
op.close()
res = call([cmd, cronfile])
except Exception, e:
- print 'Exception: %s' % str(e)
+ pprint('Exception: %s' % str(e))
shutil.move(backfile, cronfile)
res = -1
if res != 0:
@@ -750,7 +754,7 @@ def updateGrub(restore=False):
call(sysvals.blexec, stderr=PIPE, stdout=PIPE,
env={'PATH': '.:/sbin:/usr/sbin:/usr/bin:/sbin:/bin'})
except Exception, e:
- print 'Exception: %s\n' % str(e)
+ pprint('Exception: %s\n' % str(e))
return
# extract the option and create a grub config without it
sysvals.rootUser(True)
@@ -797,7 +801,7 @@ def updateGrub(restore=False):
res = call(sysvals.blexec)
os.remove(grubfile)
except Exception, e:
- print 'Exception: %s' % str(e)
+ pprint('Exception: %s' % str(e))
res = -1
# cleanup
shutil.move(tempfile, grubfile)
@@ -821,7 +825,7 @@ def updateKernelParams(restore=False):
def doError(msg, help=False):
if help == True:
printHelp()
- print 'ERROR: %s\n' % msg
+ pprint('ERROR: %s\n' % msg)
sysvals.outputResult({'error':msg})
sys.exit()
@@ -829,52 +833,51 @@ def doError(msg, help=False):
# Description:
# print out the help text
def printHelp():
- print('')
- print('%s v%s' % (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 creates a timeline')
- print('')
- print(' Generates output files in subdirectory: boot-yymmdd-HHMMSS')
- print(' HTML output: <hostname>_boot.html')
- print(' raw dmesg output: <hostname>_boot_dmesg.txt')
- print(' raw ftrace output: <hostname>_boot_ftrace.txt')
- print('')
- print('Options:')
- print(' -h Print this help text')
- print(' -v Print the current tool version')
- print(' -verbose Print extra information during execution and analysis')
- print(' -addlogs Add the dmesg log to the html output')
- print(' -result fn Export a results table to a text file for parsing.')
- print(' -o name Overrides the output subdirectory name when running a new test')
- print(' default: boot-{date}-{time}')
- print(' [advanced]')
- print(' -fstat Use ftrace to add function detail and statistics (default: disabled)')
- print(' -f/-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(' -func list Limit ftrace to comma-delimited list of functions (default: do_one_initcall)')
- print(' -cgfilter S Filter the callgraph output in the timeline')
- print(' -cgskip file Callgraph functions to skip, off to disable (default: cgskip.txt)')
- print(' -bl name Use the following boot loader for kernel params (default: grub)')
- print(' -reboot Reboot the machine automatically and generate a new timeline')
- print(' -manual Show the steps to generate a new timeline manually (used with -reboot)')
- print('')
- print('Other commands:')
- print(' -flistall Print all functions capable of being captured in ftrace')
- print(' -sysinfo Print out system info extracted from BIOS')
- print(' [redo]')
- print(' -dmesg file Create HTML output using dmesg input (used with -ftrace)')
- print(' -ftrace file Create HTML output using ftrace input (used with -dmesg)')
- print('')
+ 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 --------------------
@@ -895,7 +898,7 @@ if __name__ == '__main__':
printHelp()
sys.exit()
elif(arg == '-v'):
- print("Version %s" % sysvals.version)
+ pprint("Version %s" % sysvals.version)
sys.exit()
elif(arg == '-verbose'):
sysvals.verbose = True
@@ -1016,7 +1019,7 @@ if __name__ == '__main__':
print f
elif cmd == 'checkbl':
sysvals.getBootLoader()
- print 'Boot Loader: %s\n%s' % (sysvals.bootloader, sysvals.blexec)
+ pprint('Boot Loader: %s\n%s' % (sysvals.bootloader, sysvals.blexec))
elif(cmd == 'sysinfo'):
sysvals.printSystemInfo(True)
sys.exit()
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 02:21:41 +0000