| #!/usr/bin/env python2.6 |
| # |
| # Copyright (C) 2011 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| # |
| # Remotely controls an OProfile session on an Android device. |
| # |
| |
| import os |
| import sys |
| import subprocess |
| import getopt |
| import re |
| import shutil |
| |
| |
| # Find oprofile binaries (compiled on the host) |
| try: |
| oprofile_bin_dir = os.environ['OPROFILE_BIN_DIR'] |
| except: |
| try: |
| android_host_out = os.environ['ANDROID_HOST_OUT'] |
| except: |
| print "Either OPROFILE_BIN_DIR or ANDROID_HOST_OUT must be set. Run \". envsetup.sh\" first" |
| sys.exit(1) |
| oprofile_bin_dir = os.path.join(android_host_out, 'bin') |
| |
| opimport_bin = os.path.join(oprofile_bin_dir, 'opimport') |
| opreport_bin = os.path.join(oprofile_bin_dir, 'opreport') |
| |
| |
| # Find symbol directories |
| try: |
| android_product_out = os.environ['ANDROID_PRODUCT_OUT'] |
| except: |
| print "ANDROID_PRODUCT_OUT must be set. Run \". envsetup.sh\" first" |
| sys.exit(1) |
| |
| symbols_dir = os.path.join(android_product_out, 'symbols') |
| system_dir = os.path.join(android_product_out, 'system') |
| |
| |
| def execute(command, echo=True): |
| if echo: |
| print ' '.join(command) |
| popen = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
| output = '' |
| while True: |
| stdout, stderr = popen.communicate() |
| if echo and len(stdout) != 0: |
| print stdout |
| if echo and len(stderr) != 0: |
| print stderr |
| output += stdout |
| output += stderr |
| rc = popen.poll() |
| if rc is not None: |
| break |
| if echo: |
| print 'exit code: %d' % rc |
| return rc, output |
| |
| # ADB wrapper |
| class Adb: |
| def __init__(self, serial_number): |
| self._base_args = ['adb'] |
| if serial_number != None: |
| self._base_args.append('-s') |
| self._base_args.append(serial_number) |
| |
| def shell(self, command_args, echo=True): |
| return self._adb('shell', command_args, echo) |
| |
| def pull(self, source, dest, echo=True): |
| return self._adb('pull', [source, dest], echo) |
| |
| def _adb(self, command, command_args, echo): |
| return execute(self._base_args + [command] + command_args, echo) |
| |
| |
| # The tool program itself |
| class Tool: |
| def __init__(self, argv): |
| self.argv = argv |
| self.verbose = False |
| self.session_dir = '/tmp/oprofile' |
| |
| def usage(self): |
| print "Usage: " + self.argv[0] + " [options] <command> [command args]" |
| print |
| print " Options:" |
| print |
| print " -h, --help : show this help text" |
| print " -s, --serial=number : the serial number of the device being profiled" |
| print " -v, --verbose : show verbose output" |
| print " -d, --dir=path : directory to store oprofile session on the host, default: /tmp/oprofile" |
| print |
| print " Commands:" |
| print |
| print " setup [args] : setup profiler with specified arguments to 'opcontrol --setup'" |
| print " -t, --timer : enable timer based profiling" |
| print " -e, --event=[spec] : specify an event type to profile, eg. --event=CPU_CYCLES:100000" |
| print " (not supported on all devices)" |
| print " -c, --callgraph=[depth] : specify callgraph capture depth, default is none" |
| print " (not supported in timer mode)" |
| print " -k, --kernel-image : specifies the location of a kernel image relative to the symbols directory" |
| print " (and turns on kernel profiling). This need not be the same as the" |
| print " location of the kernel on the actual device." |
| print |
| print " shutdown : shutdown profiler" |
| print |
| print " start : start profiling" |
| print |
| print " stop : stop profiling" |
| print |
| print " status : show profiler status" |
| print |
| print " import : dump samples and pull session directory from the device" |
| print " -f, --force : remove existing session directory before import" |
| print |
| print " report [args] : generate report with specified arguments to 'opreport'" |
| print " -l, --symbols : show symbols" |
| print " -c, --callgraph : show callgraph" |
| print " --help : show help for additional opreport options" |
| print |
| |
| def main(self): |
| rc = self.do_main() |
| if rc == 2: |
| print |
| self.usage() |
| return rc |
| |
| def do_main(self): |
| try: |
| opts, args = getopt.getopt(self.argv[1:], |
| 'hs:vd', ['help', 'serial=', 'dir=', 'verbose']) |
| except getopt.GetoptError, e: |
| print str(e) |
| return 2 |
| |
| serial_number = None |
| for o, a in opts: |
| if o in ('-h', '--help'): |
| self.usage() |
| return 0 |
| elif o in ('-s', '--serial'): |
| serial_number = a |
| elif o in ('-d', '--dir'): |
| self.session_dir = a |
| elif o in ('-v', '--verbose'): |
| self.verbose = True |
| |
| if len(args) == 0: |
| print '* A command must be specified.' |
| return 2 |
| |
| command = args[0] |
| command_args = args[1:] |
| |
| self.adb = Adb(serial_number) |
| |
| if command == 'setup': |
| rc = self.do_setup(command_args) |
| elif command == 'shutdown': |
| rc = self.do_shutdown(command_args) |
| elif command == 'start': |
| rc = self.do_start(command_args) |
| elif command == 'stop': |
| rc = self.do_stop(command_args) |
| elif command == 'status': |
| rc = self.do_status(command_args) |
| elif command == 'import': |
| rc = self.do_import(command_args) |
| elif command == 'report': |
| rc = self.do_report(command_args) |
| else: |
| print '* Unknown command: ' + command |
| return 2 |
| |
| return rc |
| |
| def do_setup(self, command_args): |
| events = [] |
| timer = False |
| kernel = False |
| kernel_image = '' |
| callgraph = None |
| |
| try: |
| opts, args = getopt.getopt(command_args, |
| 'te:c:k:', ['timer', 'event=', 'callgraph=', 'kernel=']) |
| except getopt.GetoptError, e: |
| print '* Unsupported setup command arguments:', str(e) |
| return 2 |
| |
| for o, a in opts: |
| if o in ('-t', '--timer'): |
| timer = True |
| elif o in ('-e', '--event'): |
| events.append('--event=' + a) |
| elif o in ('-c', '--callgraph'): |
| callgraph = a |
| elif o in ('-k', '--kernel'): |
| kernel = True |
| kernel_image = a |
| |
| if len(args) != 0: |
| print '* Unsupported setup command arguments: %s' % (' '.join(args)) |
| return 2 |
| |
| if not timer and len(events) == 0: |
| print '* Must specify --timer or at least one --event argument.' |
| return 2 |
| |
| if timer and len(events) != 0: |
| print '* --timer and --event cannot be used together.' |
| return 2 |
| |
| opcontrol_args = events |
| if timer: |
| opcontrol_args.append('--timer') |
| if callgraph is not None: |
| opcontrol_args.append('--callgraph=' + callgraph) |
| if kernel and len(kernel_image) != 0: |
| opcontrol_args.append('--vmlinux=' + kernel_image) |
| |
| # Get kernal VMA range. |
| rc, output = self.adb.shell(['cat', '/proc/kallsyms'], echo=False) |
| if rc != 0: |
| print '* Failed to determine kernel VMA range.' |
| print output |
| return 1 |
| vma_start = re.search('([0-9a-fA-F]{8}) T _text', output).group(1) |
| vma_end = re.search('([0-9a-fA-F]{8}) A _etext', output).group(1) |
| |
| # Setup the profiler. |
| rc, output = self.adb.shell(['/system/xbin/opcontrol'] + self._opcontrol_verbose_arg() + [ |
| '--reset', |
| '--kernel-range=' + vma_start + ',' + vma_end] + opcontrol_args + [ |
| '--setup', |
| '--status', '--verbose-log=all']) |
| if rc != 0: |
| print '* Failed to setup profiler.' |
| return 1 |
| return 0 |
| |
| def do_shutdown(self, command_args): |
| if len(command_args) != 0: |
| print '* Unsupported shutdown command arguments: %s' % (' '.join(command_args)) |
| return 2 |
| |
| rc, output = self.adb.shell(['/system/xbin/opcontrol'] + self._opcontrol_verbose_arg() + [ |
| '--shutdown']) |
| if rc != 0: |
| print '* Failed to shutdown.' |
| return 1 |
| return 0 |
| |
| def do_start(self, command_args): |
| if len(command_args) != 0: |
| print '* Unsupported start command arguments: %s' % (' '.join(command_args)) |
| return 2 |
| |
| rc, output = self.adb.shell(['/system/xbin/opcontrol'] + self._opcontrol_verbose_arg() + [ |
| '--start', '--status']) |
| if rc != 0: |
| print '* Failed to start profiler.' |
| return 1 |
| return 0 |
| |
| def do_stop(self, command_args): |
| if len(command_args) != 0: |
| print '* Unsupported stop command arguments: %s' % (' '.join(command_args)) |
| return 2 |
| |
| rc, output = self.adb.shell(['/system/xbin/opcontrol'] + self._opcontrol_verbose_arg() + [ |
| '--stop', '--status']) |
| if rc != 0: |
| print '* Failed to stop profiler.' |
| return 1 |
| return 0 |
| |
| def do_status(self, command_args): |
| if len(command_args) != 0: |
| print '* Unsupported status command arguments: %s' % (' '.join(command_args)) |
| return 2 |
| |
| rc, output = self.adb.shell(['/system/xbin/opcontrol'] + self._opcontrol_verbose_arg() + [ |
| '--status']) |
| if rc != 0: |
| print '* Failed to get profiler status.' |
| return 1 |
| return 0 |
| |
| def do_import(self, command_args): |
| force = False |
| |
| try: |
| opts, args = getopt.getopt(command_args, |
| 'f', ['force']) |
| except getopt.GetoptError, e: |
| print '* Unsupported import command arguments:', str(e) |
| return 2 |
| |
| for o, a in opts: |
| if o in ('-f', '--force'): |
| force = True |
| |
| if len(args) != 0: |
| print '* Unsupported import command arguments: %s' % (' '.join(args)) |
| return 2 |
| |
| # Create session directory. |
| print 'Creating session directory.' |
| if os.path.exists(self.session_dir): |
| if not force: |
| print "* Session directory already exists: %s" % (self.session_dir) |
| print "* Use --force to remove and recreate the session directory." |
| return 1 |
| |
| try: |
| shutil.rmtree(self.session_dir) |
| except e: |
| print "* Failed to remove existing session directory: %s" % (self.session_dir) |
| print e |
| return 1 |
| |
| try: |
| os.makedirs(self.session_dir) |
| except e: |
| print "* Failed to create session directory: %s" % (self.session_dir) |
| print e |
| return 1 |
| |
| raw_samples_dir = os.path.join(self.session_dir, 'raw_samples') |
| samples_dir = os.path.join(self.session_dir, 'samples') |
| abi_file = os.path.join(self.session_dir, 'abi') |
| |
| # Dump samples. |
| print 'Dumping samples.' |
| rc, output = self.adb.shell(['/system/xbin/opcontrol'] + self._opcontrol_verbose_arg() + [ |
| '--dump', '--status']) |
| if rc != 0: |
| print '* Failed to dump samples.' |
| print output |
| return 1 |
| |
| # Pull samples. |
| print 'Pulling samples from device.' |
| rc, output = self.adb.pull('/data/oprofile/samples/', raw_samples_dir + '/', echo=False) |
| if rc != 0: |
| print '* Failed to pull samples from the device.' |
| print output |
| return 1 |
| |
| # Pull ABI. |
| print 'Pulling ABI information from device.' |
| rc, output = self.adb.pull('/data/oprofile/abi', abi_file, echo=False) |
| if rc != 0: |
| print '* Failed to pull abi information from the device.' |
| print output |
| return 1 |
| |
| # Invoke opimport on each sample file to convert it from the device ABI (ARM) |
| # to the host ABI (x86). |
| print 'Importing samples.' |
| for dirpath, dirnames, filenames in os.walk(raw_samples_dir): |
| for filename in filenames: |
| if not re.match('^.*\.log$', filename): |
| in_path = os.path.join(dirpath, filename) |
| out_path = os.path.join(samples_dir, os.path.relpath(in_path, raw_samples_dir)) |
| out_dir = os.path.dirname(out_path) |
| try: |
| os.makedirs(out_dir) |
| except e: |
| print "* Failed to create sample directory: %s" % (out_dir) |
| print e |
| return 1 |
| |
| rc, output = execute([opimport_bin, '-a', abi_file, '-o', out_path, in_path], echo=False) |
| if rc != 0: |
| print '* Failed to import samples.' |
| print output |
| return 1 |
| |
| # Generate a short summary report. |
| rc, output = self._execute_opreport([]) |
| if rc != 0: |
| print '* Failed to generate summary report.' |
| return 1 |
| return 0 |
| |
| def do_report(self, command_args): |
| rc, output = self._execute_opreport(command_args) |
| if rc != 0: |
| print '* Failed to generate report.' |
| return 1 |
| return 0 |
| |
| def _opcontrol_verbose_arg(self): |
| if self.verbose: |
| return ['--verbose'] |
| else: |
| return [] |
| |
| def _execute_opreport(self, args): |
| return execute([opreport_bin, |
| '--session-dir=' + self.session_dir, |
| '--image-path=' + symbols_dir + ',' + system_dir] + args) |
| |
| # Main entry point |
| tool = Tool(sys.argv) |
| rc = tool.main() |
| sys.exit(rc) |
