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
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 9cccd69..11b75da 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -63,6 +63,7 @@
#include <log/log.h>
#include <private/android_filesystem_config.h>
#include <private/gui/SyncFeatures.h>
+#include <processgroup/processgroup.h>
#include <renderengine/RenderEngine.h>
#include <sys/types.h>
#include <ui/ColorSpace.h>
@@ -785,6 +786,12 @@
? renderengine::RenderEngine::ContextPriority::REALTIME
: renderengine::RenderEngine::ContextPriority::MEDIUM)
.build()));
+
+ // Set SF main policy after initializing RenderEngine which has its own policy.
+ if (!SetTaskProfiles(0, {"SFMainPolicy"})) {
+ ALOGW("Failed to set main task profile");
+ }
+
mCompositionEngine->setTimeStats(mTimeStats);
mCompositionEngine->setHwComposer(getFactory().createHWComposer(mHwcServiceName));
mCompositionEngine->getHwComposer().setCallback(this);