From ad7f0207ac9c587c2e1740c61bddad5fbba11296 Mon Sep 17 00:00:00 2001
From: Willem Melching <willem.melching@gmail.com>
Date: Tue, 29 Jun 2021 22:55:18 +0200
Subject: [PATCH] Log gpu usage (#21404)

* Log gpu usage

* 100 total

* bump cereal

Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>
---
 cereal                              | 2 +-
 selfdrive/hardware/base.py          | 4 ++++
 selfdrive/hardware/eon/hardware.py  | 3 +++
 selfdrive/hardware/pc/hardware.py   | 3 +++
 selfdrive/hardware/tici/hardware.py | 7 +++++++
 selfdrive/thermald/thermald.py      | 1 +
 6 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/cereal b/cereal
index 232e28c2bb..e1793a1854 160000
--- a/cereal
+++ b/cereal
@@ -1 +1 @@
-Subproject commit 232e28c2bb049fa8b7c2da0a2add27645b5a6bc2
+Subproject commit e1793a1854eb5f76a304b30ee96dee5a0f0b2cc4
diff --git a/selfdrive/hardware/base.py b/selfdrive/hardware/base.py
index d155f63b5d..9ed66bb3b1 100644
--- a/selfdrive/hardware/base.py
+++ b/selfdrive/hardware/base.py
@@ -113,3 +113,7 @@ class HardwareBase:
   @abstractmethod
   def set_power_save(self, enabled):
     pass
+
+  @abstractmethod
+  def get_gpu_usage_percent(self):
+    pass
diff --git a/selfdrive/hardware/eon/hardware.py b/selfdrive/hardware/eon/hardware.py
index 744b0ae398..9670d1f172 100644
--- a/selfdrive/hardware/eon/hardware.py
+++ b/selfdrive/hardware/eon/hardware.py
@@ -377,3 +377,6 @@ class Android(HardwareBase):
 
   def set_power_save(self, enabled):
     pass
+
+  def get_gpu_usage_percent(self):
+    return 0
diff --git a/selfdrive/hardware/pc/hardware.py b/selfdrive/hardware/pc/hardware.py
index 0240f98bb1..7a0f8ff088 100644
--- a/selfdrive/hardware/pc/hardware.py
+++ b/selfdrive/hardware/pc/hardware.py
@@ -85,3 +85,6 @@ class Pc(HardwareBase):
 
   def set_power_save(self, enabled):
     pass
+
+  def get_gpu_usage_percent(self):
+    return 0
diff --git a/selfdrive/hardware/tici/hardware.py b/selfdrive/hardware/tici/hardware.py
index e47e924af7..2d8b873c5a 100644
--- a/selfdrive/hardware/tici/hardware.py
+++ b/selfdrive/hardware/tici/hardware.py
@@ -262,3 +262,10 @@ class Tici(HardwareBase):
       # TODO: fix permissions with udev
       val = "0" if enabled else "1"
       os.system(f"sudo su -c 'echo {val} > /sys/devices/system/cpu/cpu{i}/online'")
+
+  def get_gpu_usage_percent(self):
+    try:
+      used, total = open('/sys/class/kgsl/kgsl-3d0/gpubusy').read().strip().split()
+      return 100.0 * int(used) / int(total)
+    except Exception:
+      return 0
diff --git a/selfdrive/thermald/thermald.py b/selfdrive/thermald/thermald.py
index c02820a830..46f6773227 100755
--- a/selfdrive/thermald/thermald.py
+++ b/selfdrive/thermald/thermald.py
@@ -265,6 +265,7 @@ def thermald_thread():
     msg.deviceState.freeSpacePercent = get_available_percent(default=100.0)
     msg.deviceState.memoryUsagePercent = int(round(psutil.virtual_memory().percent))
     msg.deviceState.cpuUsagePercent = int(round(psutil.cpu_percent()))
+    msg.deviceState.gpuUsagePercent = int(round(HARDWARE.get_gpu_usage_percent()))
     msg.deviceState.networkType = network_type
     msg.deviceState.networkStrength = network_strength
     if network_info is not None: