Jeff Brown | 87866d9 | 2011-02-02 13:27:17 -0800 | [diff] [blame] | 1 | #!/usr/bin/env python2.6 |
| 2 | # |
| 3 | # Copyright (C) 2011 The Android Open Source Project |
| 4 | # |
| 5 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | # you may not use this file except in compliance with the License. |
| 7 | # You may obtain a copy of the License at |
| 8 | # |
| 9 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | # |
| 11 | # Unless required by applicable law or agreed to in writing, software |
| 12 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | # See the License for the specific language governing permissions and |
| 15 | # limitations under the License. |
| 16 | # |
| 17 | |
| 18 | # |
| 19 | # Remotely controls an OProfile session on an Android device. |
| 20 | # |
| 21 | |
| 22 | import os |
| 23 | import sys |
| 24 | import subprocess |
| 25 | import getopt |
| 26 | import re |
| 27 | |
| 28 | |
| 29 | class Adb: |
| 30 | def __init__(self, serial_number): |
| 31 | self._base_args = ['adb'] |
| 32 | if serial_number != None: |
| 33 | self._base_args.append('-s') |
| 34 | self._base_args.append(serial_number) |
| 35 | |
| 36 | def shell(self, command_args, echo=True): |
| 37 | print 'adb: %s' % (' '.join(command_args)) |
| 38 | popen = subprocess.Popen(self._base_args + ['shell'] + command_args, |
| 39 | stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
| 40 | output = '' |
| 41 | while True: |
| 42 | stdout, stderr = popen.communicate() |
| 43 | if echo: |
| 44 | print stdout |
| 45 | print stderr |
| 46 | output += stdout |
| 47 | output += stderr |
| 48 | rc = popen.poll() |
| 49 | if rc is not None: |
| 50 | break |
| 51 | print 'exit code: %d' % rc |
| 52 | return rc, output |
| 53 | |
| 54 | |
| 55 | class Tool: |
| 56 | def __init__(self, argv): |
| 57 | self.argv = argv |
| 58 | self.verbose = False |
| 59 | |
| 60 | def usage(self): |
| 61 | print "Usage:" + self.argv[0] |
| 62 | print " -h, --help : show this help text" |
| 63 | print " -s, --serial=number : the serial number of the device being profiled" |
| 64 | print " -v, --verbose : show verbose output" |
| 65 | print " --setup : setup profiler" |
| 66 | print " --shutdown : shutdown profiler" |
| 67 | print " --start : start profiling" |
| 68 | print " --stop : stop profiling" |
| 69 | print " --status : show profiler status" |
| 70 | print |
| 71 | |
| 72 | def main(self): |
| 73 | try: |
| 74 | opts, args = getopt.getopt(self.argv[1:], |
| 75 | "hs:v", |
| 76 | ["help", "serial=", "setup", "start", "stop", "status", "shutdown", "verbose"]) |
| 77 | except getopt.GetoptError, e: |
| 78 | self.usage() |
| 79 | print str(e) |
| 80 | return 1 |
| 81 | |
| 82 | serial_number = None |
| 83 | command = None |
| 84 | for o, a in opts: |
| 85 | if o in ('-h', '--help'): |
| 86 | self.usage() |
| 87 | return 0 |
| 88 | elif o in ('-s', '--serial'): |
| 89 | serial_number = a |
| 90 | elif o in ('-v', '--verbose'): |
| 91 | self.verbose = True |
| 92 | elif o in ('--setup', '--start', '--stop', '--status', '--shutdown'): |
| 93 | command = o[2:] |
| 94 | else: |
| 95 | assert False, 'unhandled option' + o |
| 96 | |
| 97 | self.adb = Adb(serial_number) |
| 98 | |
| 99 | if command == 'setup': |
| 100 | rc = self.setup() |
| 101 | elif command == 'shutdown': |
| 102 | rc = self.shutdown() |
| 103 | elif command == 'start': |
| 104 | rc = self.start() |
| 105 | elif command == 'stop': |
| 106 | rc = self.stop() |
| 107 | elif command == 'status': |
| 108 | rc = self.status() |
| 109 | else: |
| 110 | self.usage() |
| 111 | print 'A command must be specified.' |
| 112 | rc = 1 |
| 113 | return rc |
| 114 | |
| 115 | def setup(self): |
| 116 | rc, output = self.adb.shell(['cat', '/proc/kallsyms'], echo=False) |
| 117 | if rc != 0: |
| 118 | print 'Failed to determine kernel VMA range.' |
| 119 | return rc |
| 120 | vma_start = re.search('([0-9a-fA-F]{8}) T _text', output).group(1) |
| 121 | vma_end = re.search('([0-9a-fA-F]{8}) A _etext', output).group(1) |
| 122 | |
| 123 | rc, output = self.adb.shell(['/system/xbin/opcontrol'] + self.opcontrol_verbose() + [ |
| 124 | '--reset', |
| 125 | '--kernel-range=' + vma_start + '-' + vma_end, |
| 126 | '--event=CPU_CYCLES:100000', |
| 127 | '--setup', |
| 128 | '--status', '--verbose-log=all']) |
| 129 | |
| 130 | def shutdown(self): |
| 131 | rc, output = self.adb.shell(['/system/xbin/opcontrol'] + self.opcontrol_verbose() + [ |
| 132 | '--shutdown']) |
| 133 | if rc != 0: |
| 134 | print 'Failed to shutdown.' |
| 135 | return rc |
| 136 | return rc |
| 137 | |
| 138 | def start(self): |
| 139 | rc, output = self.adb.shell(['/system/xbin/opcontrol'] + self.opcontrol_verbose() + [ |
| 140 | '--start', '--status']) |
| 141 | return rc |
| 142 | |
| 143 | def stop(self): |
| 144 | rc, output = self.adb.shell(['/system/xbin/opcontrol'] + self.opcontrol_verbose() + [ |
| 145 | '--stop', '--status']) |
| 146 | return rc |
| 147 | |
| 148 | def status(self): |
| 149 | rc, output = self.adb.shell(['/system/xbin/opcontrol'] + self.opcontrol_verbose() + [ |
| 150 | '--status']) |
| 151 | return rc |
| 152 | |
| 153 | def opcontrol_verbose(self): |
| 154 | if self.verbose: |
| 155 | return ['--verbose'] |
| 156 | else: |
| 157 | return [] |
| 158 | |
| 159 | # Main entry point |
| 160 | tool = Tool(sys.argv) |
| 161 | rc = tool.main() |
| 162 | sys.exit(rc) |