cmsdk: Pass the process name and pid for launch boosts

 * We need this for vendor perf tools.
 * This also adds a NativeHelper class which loads the JNI
   library on-demand, since we don't have an entry point.

Change-Id: If76ad8f952e86366978ae9cf9d1f107febccc28b

3 files changed, 91 insertions, 4 deletions

diff --git a/cm/jni/Android.mk b/cm/jni/Android.mk
index 5e1da9f..3e8aae4 100644
--- a/cm/jni/Android.mk
+++ b/cm/jni/Android.mk
@@ -18,19 +18,22 @@ include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := \
     src/org_cyanogenmod_platform_internal_CMAudioService.cpp \
+    src/org_cyanogenmod_platform_internal_PerformanceManagerService.cpp \
     src/onload.cpp
 
 LOCAL_C_INCLUDES := \
     $(JNI_H_INCLUDE) \
     $(TOP)/frameworks/base/core/jni \
-    $(TOP)/frameworks/av/include
+    $(TOP)/frameworks/av/include \
+    $(TOP)/hardware/libhardware/include
 
 LOCAL_SHARED_LIBRARIES := \
     libandroid_runtime \
-    libmedia \
-    liblog \
     libcutils \
-    libutils \
+    libhardware \
+    liblog \
+    libmedia \
+    libutils
 
 LOCAL_MODULE := libcmsdk_platform_jni
 LOCAL_MODULE_TAGS := optional
diff --git a/cm/jni/src/onload.cpp b/cm/jni/src/onload.cpp
index d9892ba..1ee8fda 100644
--- a/cm/jni/src/onload.cpp
+++ b/cm/jni/src/onload.cpp
@@ -22,6 +22,7 @@
 namespace android {
 
 int register_org_cyanogenmod_platform_internal_CMAudioService(JNIEnv* env);
+int register_org_cyanogenmod_platform_internal_PerformanceManagerService(JNIEnv* env);
 
 };
 
@@ -39,6 +40,7 @@ extern "C" jint JNI_OnLoad(JavaVM* vm, void* /* reserved */)
     ALOG_ASSERT(env, "Could not retrieve the env!");
 
     register_org_cyanogenmod_platform_internal_CMAudioService(env);
+    register_org_cyanogenmod_platform_internal_PerformanceManagerService(env);
 
     return JNI_VERSION_1_4;
 }
diff --git a/cm/jni/src/org_cyanogenmod_platform_internal_PerformanceManagerService.cpp b/cm/jni/src/org_cyanogenmod_platform_internal_PerformanceManagerService.cpp
new file mode 100644
index 0000000..71c0577
--- /dev/null
+++ b/cm/jni/src/org_cyanogenmod_platform_internal_PerformanceManagerService.cpp
@@ -0,0 +1,82 @@
+/*
+**
+** Copyright 2016, The CyanogenMod Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+//#define LOG_NDEBUG 0
+
+#define LOG_TAG "PerformanceManagerService-JNI"
+
+#include <utils/Log.h>
+
+#include <JNIHelp.h>
+#include <jni.h>
+#include "core_jni_helpers.h"
+
+#include <hardware/power.h>
+
+// ----------------------------------------------------------------------------
+
+namespace android {
+
+static const char* const kClassPathName =
+    "org/cyanogenmod/platform/internal/PerformanceManagerService";
+
+static struct power_module* gPowerModule;
+
+// ----------------------------------------------------------------------------
+
+static void
+org_cyanogenmod_platform_internal_PerformanceManagerService_launchBoost(
+        JNIEnv *env, jobject thiz, jint pid, jstring jPackageName)
+{
+    if (env == NULL || jPackageName == NULL) {
+        return;
+    }
+
+    if (gPowerModule && gPowerModule->powerHint) {
+        const char *packageName = env->GetStringUTFChars(jPackageName, 0);
+        launch_boost_info_t *info = (launch_boost_info_t *)malloc(sizeof(launch_boost_info_t));
+        info->pid = pid;
+        info->packageName = packageName;
+        gPowerModule->powerHint(gPowerModule, POWER_HINT_LAUNCH_BOOST, (void *)info);
+        ALOGV("Sent LAUNCH BOOST for %s (pid=%d)", info->packageName, info->pid);
+
+        env->ReleaseStringUTFChars(jPackageName, packageName);
+        free(info);
+    }
+}
+
+// ----------------------------------------------------------------------------
+
+static JNINativeMethod gMethods[] = {
+     {"native_launchBoost", "(ILjava/lang/String;)V",
+            (void *)org_cyanogenmod_platform_internal_PerformanceManagerService_launchBoost},
+};
+
+int register_org_cyanogenmod_platform_internal_PerformanceManagerService(JNIEnv *env)
+{
+    status_t err = hw_get_module(POWER_HARDWARE_MODULE_ID,
+            (hw_module_t const**)&gPowerModule);
+    if (!err) {
+        gPowerModule->init(gPowerModule);
+    } else {
+        ALOGE("Couldn't load %s module (%s)", POWER_HARDWARE_MODULE_ID, strerror(-err));
+    }
+
+    return RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods));
+}
+
+} /* namespace android */