#!/usr/bin/env?python

#?Copyright?（c）?2011?The?Chromium?Authors.?All?rights?reserved.
#?Use?of?this?source?code?is?governed?by?a?BSD-style?license?that?can?be
#?found?in?the?LICENSE?file.

“““Android?system-wide?tracing?utility.

This?is?a?tool?for?capturing?a?trace?that?includes?data?from?both?userland?and
the?kernel.??It?creates?an?HTML?file?for?visualizing?the?trace.
“““

import?errno?optparse?os?select?subprocess?sys?time?zlib

#?This?list?is?based?on?the?tags?in?frameworks/native/include/utils/Trace.h.
trace_tag_bits?=?{
??‘gfx‘:??????1<<1
??‘input‘:????1<<2
??‘view‘:?????1<<3
??‘webview‘:??1<<4
??‘wm‘:???????1<<5
??‘am‘:???????1<<6
??‘sync‘:?????1<<7
??‘audio‘:????1<<8
??‘video‘:????1<<9
??‘camera‘:???1<<10
}

flattened_html_file?=?‘systrace_trace_viewer.html‘

def?add_adb_serial（command?serial）:
??if?serial?!=?None:
????command.insert（1?serial）
????command.insert（1?‘-s‘）

def?main（）:
??parser?=?optparse.OptionParser（）
??parser.add_option（‘-o‘?dest=‘output_file‘?help=‘write?HTML?to?FILE‘
????????????????????default=‘trace.html‘?metavar=‘FILE‘）
??parser.add_option（‘-t‘?‘--time‘?dest=‘trace_time‘?type=‘int‘
????????????????????help=‘trace?for?N?seconds‘?metavar=‘N‘）
??parser.add_option（‘-b‘?‘--buf-size‘?dest=‘trace_buf_size‘?type=‘int‘
????????????????????help=‘use?a?trace?buffer?size?of?N?KB‘?metavar=‘N‘）
??parser.add_option（‘-d‘?‘--disk‘?dest=‘trace_disk‘?default=False
????????????????????action=‘store_true‘?help=‘trace?disk?I/O?（requires?root）‘）
??parser.add_option（‘-f‘?‘--cpu-freq‘?dest=‘trace_cpu_freq‘?default=False
????????????????????action=‘store_true‘?help=‘trace?CPU?frequency?changes‘）
??parser.add_option（‘-i‘?‘--cpu-idle‘?dest=‘trace_cpu_idle‘?default=False
????????????????????action=‘store_true‘?help=‘trace?CPU?idle?events‘）
??parser.add_option（‘-l‘?‘--cpu-load‘?dest=‘trace_cpu_load‘?default=False
????????????????????action=‘store_true‘?help=‘trace?CPU?load‘）
??parser.add_option（‘-s‘?‘--no-cpu-sched‘?dest=‘trace_cpu_sched‘
????????????????????default=True?action=‘store_false‘?help=‘inhibit?tracing?‘
????????????????????‘CPU?scheduler?（allows?longer?trace?times?by?reducing?data?‘
????????????????????‘rate?into?buffer）‘）
??parser.add_option（‘-u‘?‘--bus-utilization‘?dest=‘trace_bus_utilization‘
????????????????????default=False?action=‘store_true‘
????????????????????help=‘trace?bus?utilization?（requires?root）‘）
??parser.add_option（‘-w‘?‘--workqueue‘?dest=‘trace_workqueue‘?default=False
????????????????????action=‘store_true‘?help=‘trace?the?kernel?workqueues?‘?+
????????????????????‘（requires?root）‘）
??parser.add_option（‘--set-tags‘?dest=‘set_tags‘?action=‘store‘
????????????????????help=‘set?the?enabled?trace?tags?and?exit;?set?to?a?‘?+
????????????????????‘comma?separated?list?of:?‘?+
????????????????????‘?‘.join（trace_tag_bits.iterkeys（）））
??parser.add_option（‘--link-assets‘?dest=‘link_assets‘?default=False
????????????????????action=‘store_true‘?help=‘

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-09-21?10:26??platform-tools\
?????文件????????6148??2016-09-05?14:23??platform-tools\.DS_Store
?????目錄???????????0??2016-10-08?14:28??__MACOSX\
?????目錄???????????0??2016-10-08?14:28??__MACOSX\platform-tools\
?????文件?????????120??2016-09-05?14:23??__MACOSX\platform-tools\._.DS_Store
?????文件?????1936628??2015-09-17?08:06??platform-tools\adb
?????文件?????????222??2015-09-17?08:06??__MACOSX\platform-tools\._adb
?????目錄???????????0??2015-09-17?08:07??platform-tools\api\
?????文件?????1397102??2015-09-17?08:06??platform-tools\api\annotations.zip
?????目錄???????????0??2016-10-08?14:28??__MACOSX\platform-tools\api\
?????文件?????????222??2015-09-17?08:06??__MACOSX\platform-tools\api\._annotations.zip
?????文件?????3109346??2015-09-09?20:22??platform-tools\api\api-versions.xml
?????文件?????????222??2015-09-09?20:22??__MACOSX\platform-tools\api\._api-versions.xml
?????文件?????????222??2015-09-17?08:07??__MACOSX\platform-tools\._api
?????文件???????54688??2015-09-17?08:06??platform-tools\dmtracedump
?????文件?????????222??2015-09-17?08:06??__MACOSX\platform-tools\._dmtracedump
?????文件??????222212??2015-09-17?08:06??platform-tools\etc1tool
?????文件?????????222??2015-09-17?08:06??__MACOSX\platform-tools\._etc1tool
?????文件??????567156??2015-09-17?08:06??platform-tools\fastboot
?????文件?????????222??2015-09-17?08:06??__MACOSX\platform-tools\._fastboot
?????文件???????13432??2015-09-17?08:06??platform-tools\hprof-conv
?????文件?????????222??2015-09-17?08:06??__MACOSX\platform-tools\._hprof-conv
?????目錄???????????0??2015-09-17?08:06??platform-tools\lib64\
?????文件??????925136??2015-09-17?08:06??platform-tools\lib64\libc++.dylib
?????目錄???????????0??2016-10-08?14:28??__MACOSX\platform-tools\lib64\
?????文件?????????222??2015-09-17?08:06??__MACOSX\platform-tools\lib64\._libc++.dylib
?????文件?????????222??2015-09-17?08:06??__MACOSX\platform-tools\._lib64
?????文件??????181427??2015-09-17?08:07??platform-tools\NOTICE.txt
?????文件?????????222??2015-09-17?08:07??__MACOSX\platform-tools\._NOTICE.txt
?????文件?????????813??2016-09-21?10:26??platform-tools\package.xml
?????文件??????????38??2015-12-08?09:27??platform-tools\source.properties
............此處省略36個文件信息