commit 31bd242ba50dc7e52f6ca0a23a54340fca51400f
author Emilian Peev <epeev@google.com> Tue Apr 23 22:24:09 2024 +0000
committer Emilian Peev <epeev@google.com> Wed May 01 19:09:36 2024 +0000
tree af098ed57309310cd606d63b0af057dc21a4866e
parent a5b84f97e8ec1c1162b80900cdc9a2f7e24e8e51

Camera: Bump the thread priority during stream configuration and open

Bump the scheduling priority of two critical performance paths
that include stream configuration and camera device open.

Flag: com.android.internal.camera.flags.realtime_priority_bump
Bug: 336628522
Test: Camera CTS,
Manual using camera application

Change-Id: I8ac10099e74bfae91bcc3b5caadc2276510c97e3

services/camera/libcameraservice/CameraService.cpp

diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
index 9ec8e35..3025fb4 100644
--- a/services/camera/libcameraservice/CameraService.cpp
+++ b/services/camera/libcameraservice/CameraService.cpp
@@ -82,10 +82,11 @@
 #include "CameraService.h"
 #include "api1/Camera2Client.h"
 #include "api2/CameraDeviceClient.h"
-#include "utils/CameraTraces.h"
-#include "utils/TagMonitor.h"
 #include "utils/CameraServiceProxyWrapper.h"
+#include "utils/CameraTraces.h"
 #include "utils/SessionConfigurationUtils.h"
+#include "utils/TagMonitor.h"
+#include "utils/Utils.h"
 
 namespace {
     const char* kPermissionServiceName = "permission";
@@ -2423,6 +2424,7 @@
         /*out*/
         sp<hardware::camera2::ICameraDeviceUser>* device) {
     ATRACE_CALL();
+    RunThreadWithRealtimePriority priorityBump;
     Status ret = Status::ok();
     sp<CameraDeviceClient> client = nullptr;
     std::string clientPackageNameAdj = clientPackageName;