path: perfetto_54.0-1/tools/load_tool
  AdbCall('shell', 'start', 'traced_probes')
  AdbCall('shell', 'sleep', '5')
  traced_pid = AdbCall('shell', 'pidof', 'traced')
  probes_pid = AdbCall('shell', 'pidof', 'traced_probes')
  assert (traced_pid is not None and probes_pid is not None)


path: perfetto_54.0-1/tools/load_tool
  AdbCall('shell', 'sleep', '5')
  traced_pid = AdbCall('shell', 'pidof', 'traced')
  probes_pid = AdbCall('shell', 'pidof', 'traced_probes')
  assert (traced_pid is not None and probes_pid is not None)
  return (traced_pid, probes_pid)


path: perfetto_54.0-1/ui/src/plugins/dev.perfetto.RecordTraceV2/adb/adb_platform_checks.ts
    name: 'traced running?',
    status: await (async (): Promise<Result<string>> => {
      const status = await adbDevice.shell('pidof traced');
      if (!status.ok) return status;
      if (isFinite(parseInt(status.value))) {


path: perfetto_54.0-1/docs/case-studies/memory.md
```bash
$ adb shell cat '/proc/$(pidof com.android.systemui)/status'
[...]
VmHWM:    256972 kB


path: perfetto_54.0-1/tools/heap_profile
        'adb', 'shell', 'mkdir -p /data/local/tmp/heapprofd_profile && '
        'cd /data/local/tmp/heapprofd_profile &&'
        '(nohup simpleperf record -g -p $(pidof heapprofd) 2>&1 &) '
        '> /dev/null'
    ])


path: perfetto_54.0-1/tools/heap_profile
    print("Waiting for simpleperf to exit.")
    while subprocess.call(
        ['adb', 'shell', '[ -f /proc/$(pidof simpleperf)/exe ]'], **NOOUT) == 0:
      time.sleep(1)
    subprocess.check_call(


path: perfetto_54.0-1/python/tools/heap_profile.py
        'adb', 'shell', 'mkdir -p /data/local/tmp/heapprofd_profile && '
        'cd /data/local/tmp/heapprofd_profile &&'
        '(nohup simpleperf record -g -p $(pidof heapprofd) 2>&1 &) '
        '> /dev/null'
    ])


path: perfetto_54.0-1/python/tools/heap_profile.py
    print("Waiting for simpleperf to exit.")
    while subprocess.call(
        ['adb', 'shell', '[ -f /proc/$(pidof simpleperf)/exe ]'], **NOOUT) == 0:
      time.sleep(1)
    subprocess.check_call(