49 def collect_data(args):  argument
52     if args.app:
53         app_profiler_args += ["-p", args.app]
54     elif args.native_program:
55         app_profiler_args += ["-np", args.native_program]
56     elif args.pid != -1:
57         app_profiler_args += ['--pid', str(args.pid)]
58     elif args.system_wide:
62     if args.compile_java_code:
64     if args.disable_adb_root:
67     if args.dwarf_unwinding:
71     if args.events:
72         tokens = args.events.split()
81         record_arg_str += "-f %d " % args.sample_frequency
82         log_info("Using frequency sampling (-f %d)." % args.sample_frequency)
83     record_arg_str += "--duration %d " % args.capture_duration
89 def parse_samples(process, args, sample_filter_fn):  argument
97     record_file = args.record_file
98     symfs_dir = args.symfs
99     kallsyms_file = args.kallsyms
110     if args.show_art_frames:
121         if args.one_flamegraph:
145         min_event_count = thread.num_events * args.min_callchain_percentage * 0.01
146         thread.flamegraph.trim_callchain(min_event_count, args.max_callchain_depth)
161 def output_report(process, args):  argument
167     f = open(args.report_path, 'w')
169     if not args.embedded_flamegraph:
172         "display: none;" if args.embedded_flamegraph else ""))
180     thread_entry = '' if args.one_flamegraph else ('Threads: %d<br/>' % len(process.threads))
186     duration_entry = ("Duration: %s seconds<br/>" % args.capture_duration
187                      ) if args.capture_duration else ""
196                   %s""" % ((': ' + args.title) if args.title else '',
215     if not args.embedded_flamegraph:
220         thread_name = 'One flamegraph' if args.one_flamegraph else ('Thread %d (%s)' %
224         render_svg(process, thread.flamegraph, f, args.color)
227     if not args.embedded_flamegraph:
312     args = parser.parse_args()
315     if not args.skip_collection:
316         if args.pid != -1:
317             process.pid = args.pid
318             args.native_program = ''
319         if args.system_wide:
321             args.native_program = ''
323         if args.system_wide:
326             process.name = args.app or args.native_program or ('Process %d' % args.pid)
328         if not collect_data(args):
339         args.capture_duration = 0
342     if args.one_flamegraph:
347         if not args.title:
348             args.title = ''
349         args.title += '(One Flamegraph)'
352         parse_samples(process, args, sample_filter_fn)
354         report_path = output_report(process, args)
355         if not args.no_browser: