Put CPU frequency scaling in recipes

Bug: skia:
Change-Id: I994f67c3043306d7fa612feb03f8fbe8d7bf4c91
Reviewed-on: https://skia-review.googlesource.com/73760
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Eric Boren <borenet@google.com>

18 files changed, 1374 insertions, 1 deletions

diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-AndroidOne-GPU-Mali400MP2-arm-Release-All-Android.json b/infra/bots/recipes/test.expected/Test-Android-Clang-AndroidOne-GPU-Mali400MP2-arm-Release-All-Android.json
index b9b9538cda..cb9435f03a 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-AndroidOne-GPU-Mali400MP2-arm-Release-All-Android.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-AndroidOne-GPU-Mali400MP2-arm-Release-All-Android.json
@@ -656,6 +656,87 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo \"userspace\" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set cpu governer to userspace"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo 100000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set frequency to 100000"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Observed frequency after setting"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Release/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-GalaxyS6-GPU-MaliT760-arm64-Debug-All-Android.json b/infra/bots/recipes/test.expected/Test-Android-Clang-GalaxyS6-GPU-MaliT760-arm64-Debug-All-Android.json
index babef632b9..dfc3fdfcc3 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-GalaxyS6-GPU-MaliT760-arm64-Debug-All-Android.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-GalaxyS6-GPU-MaliT760-arm64-Debug-All-Android.json
@@ -656,6 +656,87 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo \"userspace\" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set cpu governer to userspace"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo 100000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set frequency to 100000"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Observed frequency after setting"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Debug/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-GalaxyS7_G930A-GPU-Adreno530-arm64-Debug-All-Android.json b/infra/bots/recipes/test.expected/Test-Android-Clang-GalaxyS7_G930A-GPU-Adreno530-arm64-Debug-All-Android.json
index 0064701623..9419634df9 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-GalaxyS7_G930A-GPU-Adreno530-arm64-Debug-All-Android.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-GalaxyS7_G930A-GPU-Adreno530-arm64-Debug-All-Android.json
@@ -656,6 +656,87 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo \"userspace\" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set cpu governer to userspace"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo 100000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set frequency to 100000"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Observed frequency after setting"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Debug/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-NVIDIA_Shield-GPU-TegraX1-arm64-Debug-All-Android.json b/infra/bots/recipes/test.expected/Test-Android-Clang-NVIDIA_Shield-GPU-TegraX1-arm64-Debug-All-Android.json
index c7fd26256f..bd13619db2 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-NVIDIA_Shield-GPU-TegraX1-arm64-Debug-All-Android.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-NVIDIA_Shield-GPU-TegraX1-arm64-Debug-All-Android.json
@@ -656,6 +656,87 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo \"userspace\" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set cpu governer to userspace"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo 100000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set frequency to 100000"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Observed frequency after setting"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Debug/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-NVIDIA_Shield-GPU-TegraX1-arm64-Debug-All-Android_CCPR.json b/infra/bots/recipes/test.expected/Test-Android-Clang-NVIDIA_Shield-GPU-TegraX1-arm64-Debug-All-Android_CCPR.json
index cb7d953b7e..268bac0fc9 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-NVIDIA_Shield-GPU-TegraX1-arm64-Debug-All-Android_CCPR.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-NVIDIA_Shield-GPU-TegraX1-arm64-Debug-All-Android_CCPR.json
@@ -656,6 +656,87 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo \"userspace\" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set cpu governer to userspace"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo 100000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set frequency to 100000"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Observed frequency after setting"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Debug/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus10-CPU-Exynos5250-arm-Release-All-Android.json b/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus10-CPU-Exynos5250-arm-Release-All-Android.json
index 8df8fe2896..46107772db 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus10-CPU-Exynos5250-arm-Release-All-Android.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus10-CPU-Exynos5250-arm-Release-All-Android.json
@@ -656,6 +656,87 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo \"userspace\" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set cpu governer to userspace"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo 100000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set frequency to 100000"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Observed frequency after setting"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Release/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus5-GPU-Adreno330-arm-Release-All-Android.json b/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus5-GPU-Adreno330-arm-Release-All-Android.json
index d56c689bf9..39d4ee1539 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus5-GPU-Adreno330-arm-Release-All-Android.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus5-GPU-Adreno330-arm-Release-All-Android.json
@@ -656,6 +656,87 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo \"userspace\" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set cpu governer to userspace"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo 100000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set frequency to 100000"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Observed frequency after setting"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Release/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus6p-GPU-Adreno430-arm64-Debug-All-Android_Vulkan.json b/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus6p-GPU-Adreno430-arm64-Debug-All-Android_Vulkan.json
index 7610477d6d..d619220804 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus6p-GPU-Adreno430-arm64-Debug-All-Android_Vulkan.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus6p-GPU-Adreno430-arm64-Debug-All-Android_Vulkan.json
@@ -656,6 +656,87 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo \"userspace\" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set cpu governer to userspace"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo 100000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set frequency to 100000"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Observed frequency after setting"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Debug/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus7-GPU-Tegra3-arm-Debug-All-Android.json b/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus7-GPU-Tegra3-arm-Debug-All-Android.json
index d875e12968..8d2ea0abf0 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus7-GPU-Tegra3-arm-Debug-All-Android.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-Nexus7-GPU-Tegra3-arm-Debug-All-Android.json
@@ -656,6 +656,87 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo \"userspace\" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set cpu governer to userspace"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo 100000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set frequency to 100000"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Observed frequency after setting"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Debug/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-NexusPlayer-CPU-Moorefield-x86-Release-All-Android.json b/infra/bots/recipes/test.expected/Test-Android-Clang-NexusPlayer-CPU-Moorefield-x86-Release-All-Android.json
index b4f7a2a468..b336cc6ce7 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-NexusPlayer-CPU-Moorefield-x86-Release-All-Android.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-NexusPlayer-CPU-Moorefield-x86-Release-All-Android.json
@@ -656,6 +656,87 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo \"userspace\" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set cpu governer to userspace"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo 100000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set frequency to 100000"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Observed frequency after setting"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Release/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-NexusPlayer-GPU-PowerVR-x86-Release-All-Android_Vulkan.json b/infra/bots/recipes/test.expected/Test-Android-Clang-NexusPlayer-GPU-PowerVR-x86-Release-All-Android_Vulkan.json
index 02e1320a14..8613849e86 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-NexusPlayer-GPU-PowerVR-x86-Release-All-Android_Vulkan.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-NexusPlayer-GPU-PowerVR-x86-Release-All-Android_Vulkan.json
@@ -656,6 +656,87 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo \"userspace\" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set cpu governer to userspace"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo 100000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set frequency to 100000"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Observed frequency after setting"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Release/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-PixelC-CPU-TegraX1-arm64-Debug-All-Android.json b/infra/bots/recipes/test.expected/Test-Android-Clang-PixelC-CPU-TegraX1-arm64-Debug-All-Android.json
index 6d13bfc694..cfe0bd601a 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-PixelC-CPU-TegraX1-arm64-Debug-All-Android.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-PixelC-CPU-TegraX1-arm64-Debug-All-Android.json
@@ -656,6 +656,87 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo \"userspace\" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set cpu governer to userspace"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo 100000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set frequency to 100000"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Observed frequency after setting"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Debug/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-PixelXL-GPU-Adreno530-arm64-Debug-All-Android_CCPR.json b/infra/bots/recipes/test.expected/Test-Android-Clang-PixelXL-GPU-Adreno530-arm64-Debug-All-Android_CCPR.json
index b0c3f434c4..b755744fe2 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-PixelXL-GPU-Adreno530-arm64-Debug-All-Android_CCPR.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-PixelXL-GPU-Adreno530-arm64-Debug-All-Android_CCPR.json
@@ -656,6 +656,87 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo \"userspace\" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set cpu governer to userspace"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo 100000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set frequency to 100000"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Observed frequency after setting"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Debug/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/Test-Android-Clang-PixelXL-GPU-Adreno530-arm64-Debug-All-Android_Vulkan.json b/infra/bots/recipes/test.expected/Test-Android-Clang-PixelXL-GPU-Adreno530-arm64-Debug-All-Android_Vulkan.json
index d26d821162..0a1182e697 100644
--- a/infra/bots/recipes/test.expected/Test-Android-Clang-PixelXL-GPU-Adreno530-arm64-Debug-All-Android_Vulkan.json
+++ b/infra/bots/recipes/test.expected/Test-Android-Clang-PixelXL-GPU-Adreno530-arm64-Debug-All-Android_Vulkan.json
@@ -656,6 +656,87 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo \"userspace\" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set cpu governer to userspace"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "echo 100000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Set frequency to 100000"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "Observed frequency after setting"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Debug/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/failed_get_hashes.json b/infra/bots/recipes/test.expected/failed_get_hashes.json
index 0049199a32..04d024fd45 100644
--- a/infra/bots/recipes/test.expected/failed_get_hashes.json
+++ b/infra/bots/recipes/test.expected/failed_get_hashes.json
@@ -658,6 +658,73 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch min frequency",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Release",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch max frequency",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Release/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/failed_pull.json b/infra/bots/recipes/test.expected/failed_pull.json
index 41671f3f22..06a011bdcc 100644
--- a/infra/bots/recipes/test.expected/failed_pull.json
+++ b/infra/bots/recipes/test.expected/failed_pull.json
@@ -656,6 +656,73 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch min frequency",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch max frequency",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Debug/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/internal_bot_1.json b/infra/bots/recipes/test.expected/internal_bot_1.json
index 7f4bc298e8..0a59cebc42 100644
--- a/infra/bots/recipes/test.expected/internal_bot_1.json
+++ b/infra/bots/recipes/test.expected/internal_bot_1.json
@@ -656,6 +656,73 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch available frequencies",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch min frequency",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
+      "shell",
+      "cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "fetch max frequency",
+    "stdout": "/path/to/tmp/"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Debug/dm",
       "/data/local/tmp/"
diff --git a/infra/bots/recipes/test.expected/internal_bot_2.json b/infra/bots/recipes/test.expected/internal_bot_2.json
index a5b7b46388..d4b73eb693 100644
--- a/infra/bots/recipes/test.expected/internal_bot_2.json
+++ b/infra/bots/recipes/test.expected/internal_bot_2.json
@@ -656,6 +656,26 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "root"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "root (to set cpu frequency)",
+    "stdout": "/path/to/tmp/",
+    "~followup_annotations": [
+      "step returned non-zero exit code: 1",
+      "@@@STEP_EXCEPTION@@@"
+    ]
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "push",
       "[START_DIR]/out/Debug/dm",
       "/data/local/tmp/"
@@ -809,6 +829,23 @@
   {
     "cmd": [
       "adb.1.0.35",
+      "shell",
+      "reboot",
+      "-p"
+    ],
+    "cwd": "[START_DIR]/skia",
+    "env": {
+      "BUILDTYPE": "Debug",
+      "CHROME_HEADLESS": "1",
+      "PATH": "<PATH>:RECIPE_PACKAGE_REPO[depot_tools]",
+      "SKIA_OUT": "[START_DIR]/out"
+    },
+    "infra_step": true,
+    "name": "shut down device to quarantine bot"
+  },
+  {
+    "cmd": [
+      "adb.1.0.35",
       "kill-server"
     ],
     "cwd": "[START_DIR]/skia",
@@ -823,7 +860,8 @@
   },
   {
     "name": "$result",
+    "reason": "Failed build steps: root (to set cpu frequency)",
     "recipe_result": null,
-    "status_code": 0
+    "status_code": 1
   }
 ]
\ No newline at end of file