[
  {
    "cmd": [
      "python",
      "import os\nprint(os.environ.get('SWARMING_BOT_ID', ''))\n"
    ],
    "name": "get swarming bot id",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@python.inline@import os@@@",
      "@@@STEP_LOG_LINE@python.inline@print(os.environ.get('SWARMING_BOT_ID', ''))@@@",
      "@@@STEP_LOG_END@python.inline@@@"
    ]
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "push",
      "file.txt",
      "file.txt"
    ],
    "cwd": "[START_DIR]/skia",
    "env": {
      "ADB_VENDOR_KEYS": "/home/chrome-bot/.android/adbkey",
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "push file.txt file.txt"
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "shell",
      "test",
      "-f",
      "file.txt"
    ],
    "cwd": "[START_DIR]/skia",
    "env": {
      "ADB_VENDOR_KEYS": "/home/chrome-bot/.android/adbkey",
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "check if file.txt exists"
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "shell",
      "cat",
      "file.txt"
    ],
    "cwd": "[START_DIR]/skia",
    "env": {
      "ADB_VENDOR_KEYS": "/home/chrome-bot/.android/adbkey",
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "read file.txt"
  },
  {
    "cmd": [
      "python",
      "\nimport subprocess\nimport sys\n\n# Remove the path.\nadb = sys.argv[1]\npath = sys.argv[2]\nprint('Removing %s' % path)\ncmd = [adb, 'shell', 'rm', '-rf', path]\nprint(' '.join(cmd))\nsubprocess.check_call(cmd)\n\n# Verify that the path was deleted.\nprint('Checking for existence of %s' % path)\ncmd = [adb, 'shell', 'ls', path]\nprint(' '.join(cmd))\ntry:\n  output = subprocess.check_output(\n      cmd, stderr=subprocess.STDOUT).decode('utf-8')\nexcept subprocess.CalledProcessError as e:\n  output = e.output.decode('utf-8')\nprint('Output was:')\nprint('======')\nprint(output)\nprint('======')\nif 'No such file or directory' not in output:\n  raise Exception('%s exists despite being deleted' % path)\n",
      "/usr/bin/adb.1.0.35",
      "file.txt"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "rm file.txt",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@import subprocess@@@",
      "@@@STEP_LOG_LINE@python.inline@import sys@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@# Remove the path.@@@",
      "@@@STEP_LOG_LINE@python.inline@adb = sys.argv[1]@@@",
      "@@@STEP_LOG_LINE@python.inline@path = sys.argv[2]@@@",
      "@@@STEP_LOG_LINE@python.inline@print('Removing %s' % path)@@@",
      "@@@STEP_LOG_LINE@python.inline@cmd = [adb, 'shell', 'rm', '-rf', path]@@@",
      "@@@STEP_LOG_LINE@python.inline@print(' '.join(cmd))@@@",
      "@@@STEP_LOG_LINE@python.inline@subprocess.check_call(cmd)@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@# Verify that the path was deleted.@@@",
      "@@@STEP_LOG_LINE@python.inline@print('Checking for existence of %s' % path)@@@",
      "@@@STEP_LOG_LINE@python.inline@cmd = [adb, 'shell', 'ls', path]@@@",
      "@@@STEP_LOG_LINE@python.inline@print(' '.join(cmd))@@@",
      "@@@STEP_LOG_LINE@python.inline@try:@@@",
      "@@@STEP_LOG_LINE@python.inline@  output = subprocess.check_output(@@@",
      "@@@STEP_LOG_LINE@python.inline@      cmd, stderr=subprocess.STDOUT).decode('utf-8')@@@",
      "@@@STEP_LOG_LINE@python.inline@except subprocess.CalledProcessError as e:@@@",
      "@@@STEP_LOG_LINE@python.inline@  output = e.output.decode('utf-8')@@@",
      "@@@STEP_LOG_LINE@python.inline@print('Output was:')@@@",
      "@@@STEP_LOG_LINE@python.inline@print('======')@@@",
      "@@@STEP_LOG_LINE@python.inline@print(output)@@@",
      "@@@STEP_LOG_LINE@python.inline@print('======')@@@",
      "@@@STEP_LOG_LINE@python.inline@if 'No such file or directory' not in output:@@@",
      "@@@STEP_LOG_LINE@python.inline@  raise Exception('%s exists despite being deleted' % path)@@@",
      "@@@STEP_LOG_END@python.inline@@@"
    ]
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "rmtree",
      "results_dir"
    ],
    "infra_step": true,
    "name": "rmtree results_dir"
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "ensure-directory",
      "--mode",
      "0777",
      "results_dir"
    ],
    "infra_step": true,
    "name": "makedirs results_dir"
  },
  {
    "cmd": [
      "python",
      "\nimport subprocess\nimport sys\n\n# Remove the path.\nadb = sys.argv[1]\npath = sys.argv[2]\nprint('Removing %s' % path)\ncmd = [adb, 'shell', 'rm', '-rf', path]\nprint(' '.join(cmd))\nsubprocess.check_call(cmd)\n\n# Verify that the path was deleted.\nprint('Checking for existence of %s' % path)\ncmd = [adb, 'shell', 'ls', path]\nprint(' '.join(cmd))\ntry:\n  output = subprocess.check_output(\n      cmd, stderr=subprocess.STDOUT).decode('utf-8')\nexcept subprocess.CalledProcessError as e:\n  output = e.output.decode('utf-8')\nprint('Output was:')\nprint('======')\nprint(output)\nprint('======')\nif 'No such file or directory' not in output:\n  raise Exception('%s exists despite being deleted' % path)\n",
      "/usr/bin/adb.1.0.35",
      "device_results_dir"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "rm device_results_dir",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@import subprocess@@@",
      "@@@STEP_LOG_LINE@python.inline@import sys@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@# Remove the path.@@@",
      "@@@STEP_LOG_LINE@python.inline@adb = sys.argv[1]@@@",
      "@@@STEP_LOG_LINE@python.inline@path = sys.argv[2]@@@",
      "@@@STEP_LOG_LINE@python.inline@print('Removing %s' % path)@@@",
      "@@@STEP_LOG_LINE@python.inline@cmd = [adb, 'shell', 'rm', '-rf', path]@@@",
      "@@@STEP_LOG_LINE@python.inline@print(' '.join(cmd))@@@",
      "@@@STEP_LOG_LINE@python.inline@subprocess.check_call(cmd)@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@# Verify that the path was deleted.@@@",
      "@@@STEP_LOG_LINE@python.inline@print('Checking for existence of %s' % path)@@@",
      "@@@STEP_LOG_LINE@python.inline@cmd = [adb, 'shell', 'ls', path]@@@",
      "@@@STEP_LOG_LINE@python.inline@print(' '.join(cmd))@@@",
      "@@@STEP_LOG_LINE@python.inline@try:@@@",
      "@@@STEP_LOG_LINE@python.inline@  output = subprocess.check_output(@@@",
      "@@@STEP_LOG_LINE@python.inline@      cmd, stderr=subprocess.STDOUT).decode('utf-8')@@@",
      "@@@STEP_LOG_LINE@python.inline@except subprocess.CalledProcessError as e:@@@",
      "@@@STEP_LOG_LINE@python.inline@  output = e.output.decode('utf-8')@@@",
      "@@@STEP_LOG_LINE@python.inline@print('Output was:')@@@",
      "@@@STEP_LOG_LINE@python.inline@print('======')@@@",
      "@@@STEP_LOG_LINE@python.inline@print(output)@@@",
      "@@@STEP_LOG_LINE@python.inline@print('======')@@@",
      "@@@STEP_LOG_LINE@python.inline@if 'No such file or directory' not in output:@@@",
      "@@@STEP_LOG_LINE@python.inline@  raise Exception('%s exists despite being deleted' % path)@@@",
      "@@@STEP_LOG_END@python.inline@@@"
    ]
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "shell",
      "mkdir",
      "-p",
      "device_results_dir"
    ],
    "cwd": "[START_DIR]/skia",
    "env": {
      "ADB_VENDOR_KEYS": "/home/chrome-bot/.android/adbkey",
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "mkdir device_results_dir"
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "shell",
      "mkdir",
      "-p",
      "/sdcard/revenge_of_the_skiabot/resources"
    ],
    "cwd": "[START_DIR]/skia",
    "env": {
      "ADB_VENDOR_KEYS": "/home/chrome-bot/.android/adbkey",
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "mkdir /sdcard/revenge_of_the_skiabot/resources"
  },
  {
    "cmd": [
      "python",
      "\nimport os\nimport subprocess\nimport sys\nimport time\nADB = sys.argv[1]\ncpu = int(sys.argv[2])\ngov = sys.argv[3]\n\nlog = subprocess.check_output([ADB, 'root']).decode('utf-8')\n# check for message like 'adbd cannot run as root in production builds'\nprint(log)\nif 'cannot' in log:\n  raise Exception('adb root failed')\n\nsubprocess.check_output([\n    ADB, 'shell',\n    'echo \"%s\" > /sys/devices/system/cpu/cpu%d/cpufreq/scaling_governor' % (\n        gov, cpu)]).decode('utf-8')\nactual_gov = subprocess.check_output([\n    ADB, 'shell', 'cat /sys/devices/system/cpu/cpu%d/cpufreq/scaling_governor' %\n        cpu]).decode('utf-8').strip()\nif actual_gov != gov:\n  raise Exception('(actual, expected) (%s, %s)'\n                  % (actual_gov, gov))\n",
      "/usr/bin/adb.1.0.35",
      "4",
      "userspace"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "Set CPU 4's governor to userspace",
    "timeout": 30,
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@import os@@@",
      "@@@STEP_LOG_LINE@python.inline@import subprocess@@@",
      "@@@STEP_LOG_LINE@python.inline@import sys@@@",
      "@@@STEP_LOG_LINE@python.inline@import time@@@",
      "@@@STEP_LOG_LINE@python.inline@ADB = sys.argv[1]@@@",
      "@@@STEP_LOG_LINE@python.inline@cpu = int(sys.argv[2])@@@",
      "@@@STEP_LOG_LINE@python.inline@gov = sys.argv[3]@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@log = subprocess.check_output([ADB, 'root']).decode('utf-8')@@@",
      "@@@STEP_LOG_LINE@python.inline@# check for message like 'adbd cannot run as root in production builds'@@@",
      "@@@STEP_LOG_LINE@python.inline@print(log)@@@",
      "@@@STEP_LOG_LINE@python.inline@if 'cannot' in log:@@@",
      "@@@STEP_LOG_LINE@python.inline@  raise Exception('adb root failed')@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@subprocess.check_output([@@@",
      "@@@STEP_LOG_LINE@python.inline@    ADB, 'shell',@@@",
      "@@@STEP_LOG_LINE@python.inline@    'echo \"%s\" > /sys/devices/system/cpu/cpu%d/cpufreq/scaling_governor' % (@@@",
      "@@@STEP_LOG_LINE@python.inline@        gov, cpu)]).decode('utf-8')@@@",
      "@@@STEP_LOG_LINE@python.inline@actual_gov = subprocess.check_output([@@@",
      "@@@STEP_LOG_LINE@python.inline@    ADB, 'shell', 'cat /sys/devices/system/cpu/cpu%d/cpufreq/scaling_governor' %@@@",
      "@@@STEP_LOG_LINE@python.inline@        cpu]).decode('utf-8').strip()@@@",
      "@@@STEP_LOG_LINE@python.inline@if actual_gov != gov:@@@",
      "@@@STEP_LOG_LINE@python.inline@  raise Exception('(actual, expected) (%s, %s)'@@@",
      "@@@STEP_LOG_LINE@python.inline@                  % (actual_gov, gov))@@@",
      "@@@STEP_LOG_END@python.inline@@@"
    ]
  },
  {
    "cmd": [
      "python",
      "\nimport os\nimport subprocess\nimport sys\nimport time\nADB = sys.argv[1]\ntarget_percent = float(sys.argv[2])\ncpu = int(sys.argv[3])\nlog = subprocess.check_output([ADB, 'root']).decode('utf-8')\n# check for message like 'adbd cannot run as root in production builds'\nprint(log)\nif 'cannot' in log:\n  raise Exception('adb root failed')\n\nroot = '/sys/devices/system/cpu/cpu%d/cpufreq' %cpu\n\n# All devices we test on give a list of their available frequencies.\navailable_freqs = subprocess.check_output([ADB, 'shell',\n    'cat %s/scaling_available_frequencies' % root]).decode('utf-8')\n\n# Check for message like '/system/bin/sh: file not found'\nif available_freqs and '/system/bin/sh' not in available_freqs:\n  available_freqs = sorted(\n      int(i) for i in available_freqs.strip().split())\nelse:\n  raise Exception('Could not get list of available frequencies: %s' %\n                  available_freqs)\n\nmaxfreq = available_freqs[-1]\ntarget = int(round(maxfreq * target_percent))\nfreq = maxfreq\nfor f in reversed(available_freqs):\n  if f <= target:\n    freq = f\n    break\n\nprint('Setting frequency to %d' % freq)\n\n# If scaling_max_freq is lower than our attempted setting, it won't take.\n# We must set min first, because if we try to set max to be less than min\n# (which sometimes happens after certain devices reboot) it returns a\n# perplexing permissions error.\nsubprocess.check_call([ADB, 'shell', 'echo 0 > '\n    '%s/scaling_min_freq' % root])\nsubprocess.check_call([ADB, 'shell', 'echo %d > '\n    '%s/scaling_max_freq' % (freq, root)])\nsubprocess.check_call([ADB, 'shell', 'echo %d > '\n    '%s/scaling_setspeed' % (freq, root)])\ntime.sleep(5)\nactual_freq = subprocess.check_output([ADB, 'shell', 'cat '\n    '%s/scaling_cur_freq' % root]).decode('utf-8').strip()\nif actual_freq != str(freq):\n  raise Exception('(actual, expected) (%s, %d)'\n                  % (actual_freq, freq))\n",
      "/usr/bin/adb.1.0.35",
      "0.6",
      "4"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "Scale CPU 4 to 0.600000",
    "timeout": 30,
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@import os@@@",
      "@@@STEP_LOG_LINE@python.inline@import subprocess@@@",
      "@@@STEP_LOG_LINE@python.inline@import sys@@@",
      "@@@STEP_LOG_LINE@python.inline@import time@@@",
      "@@@STEP_LOG_LINE@python.inline@ADB = sys.argv[1]@@@",
      "@@@STEP_LOG_LINE@python.inline@target_percent = float(sys.argv[2])@@@",
      "@@@STEP_LOG_LINE@python.inline@cpu = int(sys.argv[3])@@@",
      "@@@STEP_LOG_LINE@python.inline@log = subprocess.check_output([ADB, 'root']).decode('utf-8')@@@",
      "@@@STEP_LOG_LINE@python.inline@# check for message like 'adbd cannot run as root in production builds'@@@",
      "@@@STEP_LOG_LINE@python.inline@print(log)@@@",
      "@@@STEP_LOG_LINE@python.inline@if 'cannot' in log:@@@",
      "@@@STEP_LOG_LINE@python.inline@  raise Exception('adb root failed')@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@root = '/sys/devices/system/cpu/cpu%d/cpufreq' %cpu@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@# All devices we test on give a list of their available frequencies.@@@",
      "@@@STEP_LOG_LINE@python.inline@available_freqs = subprocess.check_output([ADB, 'shell',@@@",
      "@@@STEP_LOG_LINE@python.inline@    'cat %s/scaling_available_frequencies' % root]).decode('utf-8')@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@# Check for message like '/system/bin/sh: file not found'@@@",
      "@@@STEP_LOG_LINE@python.inline@if available_freqs and '/system/bin/sh' not in available_freqs:@@@",
      "@@@STEP_LOG_LINE@python.inline@  available_freqs = sorted(@@@",
      "@@@STEP_LOG_LINE@python.inline@      int(i) for i in available_freqs.strip().split())@@@",
      "@@@STEP_LOG_LINE@python.inline@else:@@@",
      "@@@STEP_LOG_LINE@python.inline@  raise Exception('Could not get list of available frequencies: %s' %@@@",
      "@@@STEP_LOG_LINE@python.inline@                  available_freqs)@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@maxfreq = available_freqs[-1]@@@",
      "@@@STEP_LOG_LINE@python.inline@target = int(round(maxfreq * target_percent))@@@",
      "@@@STEP_LOG_LINE@python.inline@freq = maxfreq@@@",
      "@@@STEP_LOG_LINE@python.inline@for f in reversed(available_freqs):@@@",
      "@@@STEP_LOG_LINE@python.inline@  if f <= target:@@@",
      "@@@STEP_LOG_LINE@python.inline@    freq = f@@@",
      "@@@STEP_LOG_LINE@python.inline@    break@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@print('Setting frequency to %d' % freq)@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@# If scaling_max_freq is lower than our attempted setting, it won't take.@@@",
      "@@@STEP_LOG_LINE@python.inline@# We must set min first, because if we try to set max to be less than min@@@",
      "@@@STEP_LOG_LINE@python.inline@# (which sometimes happens after certain devices reboot) it returns a@@@",
      "@@@STEP_LOG_LINE@python.inline@# perplexing permissions error.@@@",
      "@@@STEP_LOG_LINE@python.inline@subprocess.check_call([ADB, 'shell', 'echo 0 > '@@@",
      "@@@STEP_LOG_LINE@python.inline@    '%s/scaling_min_freq' % root])@@@",
      "@@@STEP_LOG_LINE@python.inline@subprocess.check_call([ADB, 'shell', 'echo %d > '@@@",
      "@@@STEP_LOG_LINE@python.inline@    '%s/scaling_max_freq' % (freq, root)])@@@",
      "@@@STEP_LOG_LINE@python.inline@subprocess.check_call([ADB, 'shell', 'echo %d > '@@@",
      "@@@STEP_LOG_LINE@python.inline@    '%s/scaling_setspeed' % (freq, root)])@@@",
      "@@@STEP_LOG_LINE@python.inline@time.sleep(5)@@@",
      "@@@STEP_LOG_LINE@python.inline@actual_freq = subprocess.check_output([ADB, 'shell', 'cat '@@@",
      "@@@STEP_LOG_LINE@python.inline@    '%s/scaling_cur_freq' % root]).decode('utf-8').strip()@@@",
      "@@@STEP_LOG_LINE@python.inline@if actual_freq != str(freq):@@@",
      "@@@STEP_LOG_LINE@python.inline@  raise Exception('(actual, expected) (%s, %d)'@@@",
      "@@@STEP_LOG_LINE@python.inline@                  % (actual_freq, freq))@@@",
      "@@@STEP_LOG_END@python.inline@@@",
      "@@@STEP_EXCEPTION@@@"
    ]
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "kill-server"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "adb kill-server after failure of 'scale cpu' (attempt 1)",
    "timeout": 30
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "wait-for-device"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "wait for device after failure of 'scale cpu' (attempt 1)",
    "timeout": 180
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "devices",
      "-l"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "adb devices -l after failure of 'scale cpu' (attempt 1)",
    "timeout": 30
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "reboot"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "adb reboot device after failure of 'scale cpu' (attempt 1)",
    "timeout": 30
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "wait-for-device",
      "shell",
      "while [[ -z $(getprop sys.boot_completed) ]]; do sleep 1; done"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "name": "wait for device after failure of 'scale cpu' (attempt 1) (2)",
    "timeout": 180
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "root"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "name": "adb root",
    "timeout": 180
  },
  {
    "cmd": [
      "python",
      "\nimport os\nimport subprocess\nimport sys\nimport time\nADB = sys.argv[1]\ntarget_percent = float(sys.argv[2])\ncpu = int(sys.argv[3])\nlog = subprocess.check_output([ADB, 'root']).decode('utf-8')\n# check for message like 'adbd cannot run as root in production builds'\nprint(log)\nif 'cannot' in log:\n  raise Exception('adb root failed')\n\nroot = '/sys/devices/system/cpu/cpu%d/cpufreq' %cpu\n\n# All devices we test on give a list of their available frequencies.\navailable_freqs = subprocess.check_output([ADB, 'shell',\n    'cat %s/scaling_available_frequencies' % root]).decode('utf-8')\n\n# Check for message like '/system/bin/sh: file not found'\nif available_freqs and '/system/bin/sh' not in available_freqs:\n  available_freqs = sorted(\n      int(i) for i in available_freqs.strip().split())\nelse:\n  raise Exception('Could not get list of available frequencies: %s' %\n                  available_freqs)\n\nmaxfreq = available_freqs[-1]\ntarget = int(round(maxfreq * target_percent))\nfreq = maxfreq\nfor f in reversed(available_freqs):\n  if f <= target:\n    freq = f\n    break\n\nprint('Setting frequency to %d' % freq)\n\n# If scaling_max_freq is lower than our attempted setting, it won't take.\n# We must set min first, because if we try to set max to be less than min\n# (which sometimes happens after certain devices reboot) it returns a\n# perplexing permissions error.\nsubprocess.check_call([ADB, 'shell', 'echo 0 > '\n    '%s/scaling_min_freq' % root])\nsubprocess.check_call([ADB, 'shell', 'echo %d > '\n    '%s/scaling_max_freq' % (freq, root)])\nsubprocess.check_call([ADB, 'shell', 'echo %d > '\n    '%s/scaling_setspeed' % (freq, root)])\ntime.sleep(5)\nactual_freq = subprocess.check_output([ADB, 'shell', 'cat '\n    '%s/scaling_cur_freq' % root]).decode('utf-8').strip()\nif actual_freq != str(freq):\n  raise Exception('(actual, expected) (%s, %d)'\n                  % (actual_freq, freq))\n",
      "/usr/bin/adb.1.0.35",
      "0.6",
      "4"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "Scale CPU 4 to 0.600000 (attempt 2)",
    "timeout": 30,
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@import os@@@",
      "@@@STEP_LOG_LINE@python.inline@import subprocess@@@",
      "@@@STEP_LOG_LINE@python.inline@import sys@@@",
      "@@@STEP_LOG_LINE@python.inline@import time@@@",
      "@@@STEP_LOG_LINE@python.inline@ADB = sys.argv[1]@@@",
      "@@@STEP_LOG_LINE@python.inline@target_percent = float(sys.argv[2])@@@",
      "@@@STEP_LOG_LINE@python.inline@cpu = int(sys.argv[3])@@@",
      "@@@STEP_LOG_LINE@python.inline@log = subprocess.check_output([ADB, 'root']).decode('utf-8')@@@",
      "@@@STEP_LOG_LINE@python.inline@# check for message like 'adbd cannot run as root in production builds'@@@",
      "@@@STEP_LOG_LINE@python.inline@print(log)@@@",
      "@@@STEP_LOG_LINE@python.inline@if 'cannot' in log:@@@",
      "@@@STEP_LOG_LINE@python.inline@  raise Exception('adb root failed')@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@root = '/sys/devices/system/cpu/cpu%d/cpufreq' %cpu@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@# All devices we test on give a list of their available frequencies.@@@",
      "@@@STEP_LOG_LINE@python.inline@available_freqs = subprocess.check_output([ADB, 'shell',@@@",
      "@@@STEP_LOG_LINE@python.inline@    'cat %s/scaling_available_frequencies' % root]).decode('utf-8')@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@# Check for message like '/system/bin/sh: file not found'@@@",
      "@@@STEP_LOG_LINE@python.inline@if available_freqs and '/system/bin/sh' not in available_freqs:@@@",
      "@@@STEP_LOG_LINE@python.inline@  available_freqs = sorted(@@@",
      "@@@STEP_LOG_LINE@python.inline@      int(i) for i in available_freqs.strip().split())@@@",
      "@@@STEP_LOG_LINE@python.inline@else:@@@",
      "@@@STEP_LOG_LINE@python.inline@  raise Exception('Could not get list of available frequencies: %s' %@@@",
      "@@@STEP_LOG_LINE@python.inline@                  available_freqs)@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@maxfreq = available_freqs[-1]@@@",
      "@@@STEP_LOG_LINE@python.inline@target = int(round(maxfreq * target_percent))@@@",
      "@@@STEP_LOG_LINE@python.inline@freq = maxfreq@@@",
      "@@@STEP_LOG_LINE@python.inline@for f in reversed(available_freqs):@@@",
      "@@@STEP_LOG_LINE@python.inline@  if f <= target:@@@",
      "@@@STEP_LOG_LINE@python.inline@    freq = f@@@",
      "@@@STEP_LOG_LINE@python.inline@    break@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@print('Setting frequency to %d' % freq)@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@# If scaling_max_freq is lower than our attempted setting, it won't take.@@@",
      "@@@STEP_LOG_LINE@python.inline@# We must set min first, because if we try to set max to be less than min@@@",
      "@@@STEP_LOG_LINE@python.inline@# (which sometimes happens after certain devices reboot) it returns a@@@",
      "@@@STEP_LOG_LINE@python.inline@# perplexing permissions error.@@@",
      "@@@STEP_LOG_LINE@python.inline@subprocess.check_call([ADB, 'shell', 'echo 0 > '@@@",
      "@@@STEP_LOG_LINE@python.inline@    '%s/scaling_min_freq' % root])@@@",
      "@@@STEP_LOG_LINE@python.inline@subprocess.check_call([ADB, 'shell', 'echo %d > '@@@",
      "@@@STEP_LOG_LINE@python.inline@    '%s/scaling_max_freq' % (freq, root)])@@@",
      "@@@STEP_LOG_LINE@python.inline@subprocess.check_call([ADB, 'shell', 'echo %d > '@@@",
      "@@@STEP_LOG_LINE@python.inline@    '%s/scaling_setspeed' % (freq, root)])@@@",
      "@@@STEP_LOG_LINE@python.inline@time.sleep(5)@@@",
      "@@@STEP_LOG_LINE@python.inline@actual_freq = subprocess.check_output([ADB, 'shell', 'cat '@@@",
      "@@@STEP_LOG_LINE@python.inline@    '%s/scaling_cur_freq' % root]).decode('utf-8').strip()@@@",
      "@@@STEP_LOG_LINE@python.inline@if actual_freq != str(freq):@@@",
      "@@@STEP_LOG_LINE@python.inline@  raise Exception('(actual, expected) (%s, %d)'@@@",
      "@@@STEP_LOG_LINE@python.inline@                  % (actual_freq, freq))@@@",
      "@@@STEP_LOG_END@python.inline@@@",
      "@@@STEP_EXCEPTION@@@"
    ]
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "kill-server"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "adb kill-server after failure of 'scale cpu' (attempt 2)",
    "timeout": 30
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "wait-for-device"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "wait for device after failure of 'scale cpu' (attempt 2)",
    "timeout": 180
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "devices",
      "-l"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "adb devices -l after failure of 'scale cpu' (attempt 2)",
    "timeout": 30
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "reboot"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "adb reboot device after failure of 'scale cpu' (attempt 2)",
    "timeout": 30
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "wait-for-device",
      "shell",
      "while [[ -z $(getprop sys.boot_completed) ]]; do sleep 1; done"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "name": "wait for device after failure of 'scale cpu' (attempt 2) (2)",
    "timeout": 180
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "root"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "name": "adb root (2)",
    "timeout": 180
  },
  {
    "cmd": [
      "python",
      "\nimport os\nimport subprocess\nimport sys\nimport time\nADB = sys.argv[1]\ntarget_percent = float(sys.argv[2])\ncpu = int(sys.argv[3])\nlog = subprocess.check_output([ADB, 'root']).decode('utf-8')\n# check for message like 'adbd cannot run as root in production builds'\nprint(log)\nif 'cannot' in log:\n  raise Exception('adb root failed')\n\nroot = '/sys/devices/system/cpu/cpu%d/cpufreq' %cpu\n\n# All devices we test on give a list of their available frequencies.\navailable_freqs = subprocess.check_output([ADB, 'shell',\n    'cat %s/scaling_available_frequencies' % root]).decode('utf-8')\n\n# Check for message like '/system/bin/sh: file not found'\nif available_freqs and '/system/bin/sh' not in available_freqs:\n  available_freqs = sorted(\n      int(i) for i in available_freqs.strip().split())\nelse:\n  raise Exception('Could not get list of available frequencies: %s' %\n                  available_freqs)\n\nmaxfreq = available_freqs[-1]\ntarget = int(round(maxfreq * target_percent))\nfreq = maxfreq\nfor f in reversed(available_freqs):\n  if f <= target:\n    freq = f\n    break\n\nprint('Setting frequency to %d' % freq)\n\n# If scaling_max_freq is lower than our attempted setting, it won't take.\n# We must set min first, because if we try to set max to be less than min\n# (which sometimes happens after certain devices reboot) it returns a\n# perplexing permissions error.\nsubprocess.check_call([ADB, 'shell', 'echo 0 > '\n    '%s/scaling_min_freq' % root])\nsubprocess.check_call([ADB, 'shell', 'echo %d > '\n    '%s/scaling_max_freq' % (freq, root)])\nsubprocess.check_call([ADB, 'shell', 'echo %d > '\n    '%s/scaling_setspeed' % (freq, root)])\ntime.sleep(5)\nactual_freq = subprocess.check_output([ADB, 'shell', 'cat '\n    '%s/scaling_cur_freq' % root]).decode('utf-8').strip()\nif actual_freq != str(freq):\n  raise Exception('(actual, expected) (%s, %d)'\n                  % (actual_freq, freq))\n",
      "/usr/bin/adb.1.0.35",
      "0.6",
      "4"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "Scale CPU 4 to 0.600000 (attempt 3)",
    "timeout": 30,
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@import os@@@",
      "@@@STEP_LOG_LINE@python.inline@import subprocess@@@",
      "@@@STEP_LOG_LINE@python.inline@import sys@@@",
      "@@@STEP_LOG_LINE@python.inline@import time@@@",
      "@@@STEP_LOG_LINE@python.inline@ADB = sys.argv[1]@@@",
      "@@@STEP_LOG_LINE@python.inline@target_percent = float(sys.argv[2])@@@",
      "@@@STEP_LOG_LINE@python.inline@cpu = int(sys.argv[3])@@@",
      "@@@STEP_LOG_LINE@python.inline@log = subprocess.check_output([ADB, 'root']).decode('utf-8')@@@",
      "@@@STEP_LOG_LINE@python.inline@# check for message like 'adbd cannot run as root in production builds'@@@",
      "@@@STEP_LOG_LINE@python.inline@print(log)@@@",
      "@@@STEP_LOG_LINE@python.inline@if 'cannot' in log:@@@",
      "@@@STEP_LOG_LINE@python.inline@  raise Exception('adb root failed')@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@root = '/sys/devices/system/cpu/cpu%d/cpufreq' %cpu@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@# All devices we test on give a list of their available frequencies.@@@",
      "@@@STEP_LOG_LINE@python.inline@available_freqs = subprocess.check_output([ADB, 'shell',@@@",
      "@@@STEP_LOG_LINE@python.inline@    'cat %s/scaling_available_frequencies' % root]).decode('utf-8')@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@# Check for message like '/system/bin/sh: file not found'@@@",
      "@@@STEP_LOG_LINE@python.inline@if available_freqs and '/system/bin/sh' not in available_freqs:@@@",
      "@@@STEP_LOG_LINE@python.inline@  available_freqs = sorted(@@@",
      "@@@STEP_LOG_LINE@python.inline@      int(i) for i in available_freqs.strip().split())@@@",
      "@@@STEP_LOG_LINE@python.inline@else:@@@",
      "@@@STEP_LOG_LINE@python.inline@  raise Exception('Could not get list of available frequencies: %s' %@@@",
      "@@@STEP_LOG_LINE@python.inline@                  available_freqs)@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@maxfreq = available_freqs[-1]@@@",
      "@@@STEP_LOG_LINE@python.inline@target = int(round(maxfreq * target_percent))@@@",
      "@@@STEP_LOG_LINE@python.inline@freq = maxfreq@@@",
      "@@@STEP_LOG_LINE@python.inline@for f in reversed(available_freqs):@@@",
      "@@@STEP_LOG_LINE@python.inline@  if f <= target:@@@",
      "@@@STEP_LOG_LINE@python.inline@    freq = f@@@",
      "@@@STEP_LOG_LINE@python.inline@    break@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@print('Setting frequency to %d' % freq)@@@",
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@# If scaling_max_freq is lower than our attempted setting, it won't take.@@@",
      "@@@STEP_LOG_LINE@python.inline@# We must set min first, because if we try to set max to be less than min@@@",
      "@@@STEP_LOG_LINE@python.inline@# (which sometimes happens after certain devices reboot) it returns a@@@",
      "@@@STEP_LOG_LINE@python.inline@# perplexing permissions error.@@@",
      "@@@STEP_LOG_LINE@python.inline@subprocess.check_call([ADB, 'shell', 'echo 0 > '@@@",
      "@@@STEP_LOG_LINE@python.inline@    '%s/scaling_min_freq' % root])@@@",
      "@@@STEP_LOG_LINE@python.inline@subprocess.check_call([ADB, 'shell', 'echo %d > '@@@",
      "@@@STEP_LOG_LINE@python.inline@    '%s/scaling_max_freq' % (freq, root)])@@@",
      "@@@STEP_LOG_LINE@python.inline@subprocess.check_call([ADB, 'shell', 'echo %d > '@@@",
      "@@@STEP_LOG_LINE@python.inline@    '%s/scaling_setspeed' % (freq, root)])@@@",
      "@@@STEP_LOG_LINE@python.inline@time.sleep(5)@@@",
      "@@@STEP_LOG_LINE@python.inline@actual_freq = subprocess.check_output([ADB, 'shell', 'cat '@@@",
      "@@@STEP_LOG_LINE@python.inline@    '%s/scaling_cur_freq' % root]).decode('utf-8').strip()@@@",
      "@@@STEP_LOG_LINE@python.inline@if actual_freq != str(freq):@@@",
      "@@@STEP_LOG_LINE@python.inline@  raise Exception('(actual, expected) (%s, %d)'@@@",
      "@@@STEP_LOG_LINE@python.inline@                  % (actual_freq, freq))@@@",
      "@@@STEP_LOG_END@python.inline@@@",
      "@@@STEP_EXCEPTION@@@"
    ]
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "kill-server"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "adb kill-server after failure of 'scale cpu' (attempt 3)",
    "timeout": 30
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "wait-for-device"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "wait for device after failure of 'scale cpu' (attempt 3)",
    "timeout": 180
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "devices",
      "-l"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "adb devices -l after failure of 'scale cpu' (attempt 3)",
    "timeout": 30
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "reboot"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "adb reboot device after failure of 'scale cpu' (attempt 3)",
    "timeout": 30
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "wait-for-device",
      "shell",
      "while [[ -z $(getprop sys.boot_completed) ]]; do sleep 1; done"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "name": "wait for device after failure of 'scale cpu' (attempt 3) (2)",
    "timeout": 180
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "root"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "name": "adb root (3)",
    "timeout": 180
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "reboot"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "adb reboot device",
    "timeout": 30
  },
  {
    "cmd": [
      "/usr/bin/adb.1.0.35",
      "wait-for-device",
      "shell",
      "while [[ -z $(getprop sys.boot_completed) ]]; do sleep 1; done"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "name": "wait for device after rebooting",
    "timeout": 180
  },
  {
    "cmd": [
      "python",
      "\nimport os\nimport subprocess\nimport sys\nout = sys.argv[1]\nlog = subprocess.check_output([\n    '/usr/bin/adb.1.0.35', 'logcat', '-d']).decode('utf-8', errors='ignore')\nfor line in log.split('\\n'):\n  tokens = line.split()\n  if len(tokens) == 11 and tokens[-7] == 'F' and tokens[-3] == 'pc':\n    addr, path = tokens[-2:]\n    local = os.path.join(out, os.path.basename(path))\n    if os.path.exists(local):\n      try:\n        sym = subprocess.check_output([\n            'addr2line', '-Cfpe', local, addr]).decode('utf-8')\n        line = line.replace(addr, addr + ' ' + sym.strip())\n      except subprocess.CalledProcessError:\n        pass\n  print(line)\n",
      "[START_DIR]/build"
    ],
    "env": {
      "CHROME_HEADLESS": "1",
      "PATH": "<PATH>:RECIPE_REPO[depot_tools]"
    },
    "infra_step": true,
    "name": "dump log",
    "timeout": 300,
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@python.inline@@@@",
      "@@@STEP_LOG_LINE@python.inline@import os@@@",
      "@@@STEP_LOG_LINE@python.inline@import subprocess@@@",
      "@@@STEP_LOG_LINE@python.inline@import sys@@@",
      "@@@STEP_LOG_LINE@python.inline@out = sys.argv[1]@@@",
      "@@@STEP_LOG_LINE@python.inline@log = subprocess.check_output([@@@",
      "@@@STEP_LOG_LINE@python.inline@    '/usr/bin/adb.1.0.35', 'logcat', '-d']).decode('utf-8', errors='ignore')@@@",
      "@@@STEP_LOG_LINE@python.inline@for line in log.split('\\n'):@@@",
      "@@@STEP_LOG_LINE@python.inline@  tokens = line.split()@@@",
      "@@@STEP_LOG_LINE@python.inline@  if len(tokens) == 11 and tokens[-7] == 'F' and tokens[-3] == 'pc':@@@",
      "@@@STEP_LOG_LINE@python.inline@    addr, path = tokens[-2:]@@@",
      "@@@STEP_LOG_LINE@python.inline@    local = os.path.join(out, os.path.basename(path))@@@",
      "@@@STEP_LOG_LINE@python.inline@    if os.path.exists(local):@@@",
      "@@@STEP_LOG_LINE@python.inline@      try:@@@",
      "@@@STEP_LOG_LINE@python.inline@        sym = subprocess.check_output([@@@",
      "@@@STEP_LOG_LINE@python.inline@            'addr2line', '-Cfpe', local, addr]).decode('utf-8')@@@",
      "@@@STEP_LOG_LINE@python.inline@        line = line.replace(addr, addr + ' ' + sym.strip())@@@",
      "@@@STEP_LOG_LINE@python.inline@      except subprocess.CalledProcessError:@@@",
      "@@@STEP_LOG_LINE@python.inline@        pass@@@",
      "@@@STEP_LOG_LINE@python.inline@  print(line)@@@",
      "@@@STEP_LOG_END@python.inline@@@"
    ]
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      " ",
      "/home/chrome-bot/skia-rpi-022.force_quarantine"
    ],
    "infra_step": true,
    "name": "Quarantining Bot",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@skia-rpi-022.force_quarantine@ @@@",
      "@@@STEP_LOG_END@skia-rpi-022.force_quarantine@@@"
    ]
  },
  {
    "failure": {
      "humanReason": "Infra Failure: Step('Scale CPU 4 to 0.600000 (attempt 3)') (retcode: 1)"
    },
    "name": "$result"
  }
]