commit 976a64592ce2adfd3830e553e2b89bccdb591d6e
author Wei Wang <wvw@google.com> Fri Jun 11 15:26:00 2021 -0700
committer Wei Wang <wvw@google.com> Tue Jun 15 10:26:52 2021 -0700
tree c32feedf5f8f92c5aa31ce7d807b66a174f456e9
parent f75789e7c67e17a9ad89fb76a4018a30ad8f132c

SurfaceFlinger: add custom taskprofiles for SF threads

In some platforms, setting a different cpuset (or remove it) and/or
uclamp setting is beneficial to both performance and power. Adding 2
separate profiles for vendor to override surfaceflinger scheduling
policies.

Bug: 170507315
Test: build
Signed-off-by: Wei Wang <wvw@google.com>
Change-Id: I6746e768fbf850202f2008f5e2131326e3a8f6a8

libs/renderengine/threaded/RenderEngineThreaded.cpp

diff --git a/libs/renderengine/threaded/RenderEngineThreaded.cpp b/libs/renderengine/threaded/RenderEngineThreaded.cpp
index 74c5f47..2a65f2a 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.cpp
+++ b/libs/renderengine/threaded/RenderEngineThreaded.cpp
@@ -24,6 +24,7 @@
 
 #include <android-base/stringprintf.h>
 #include <private/gui/SyncFeatures.h>
+#include <processgroup/processgroup.h>
 #include <utils/Trace.h>
 
 #include "gl/GLESRenderEngine.h"
@@ -80,6 +81,10 @@
 void RenderEngineThreaded::threadMain(CreateInstanceFactory factory) NO_THREAD_SAFETY_ANALYSIS {
     ATRACE_CALL();
 
+    if (!SetTaskProfiles(0, {"SFRenderEnginePolicy"})) {
+        ALOGW("Failed to set render-engine task profile!");
+    }
+
     if (setSchedFifo(true) != NO_ERROR) {
         ALOGW("Couldn't set SCHED_FIFO");
     }