1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "GraphicsStatsService"
18
19 #include <jni.h>
20 #include <log/log.h>
21 #include <nativehelper/JNIHelp.h>
22 #include <ScopedPrimitiveArray.h>
23 #include <ScopedUtfChars.h>
24 #include <JankTracker.h>
25 #include <service/GraphicsStatsService.h>
26
27 namespace android {
28
29 using namespace android::uirenderer;
30
getAshmemSize(JNIEnv *,jobject)31 static jint getAshmemSize(JNIEnv*, jobject) {
32 return sizeof(ProfileData);
33 }
34
createDump(JNIEnv *,jobject,jint fd,jboolean isProto)35 static jlong createDump(JNIEnv*, jobject, jint fd, jboolean isProto) {
36 GraphicsStatsService::Dump* dump = GraphicsStatsService::createDump(fd, isProto
37 ? GraphicsStatsService::DumpType::Protobuf : GraphicsStatsService::DumpType::Text);
38 return reinterpret_cast<jlong>(dump);
39 }
40
addToDump(JNIEnv * env,jobject,jlong dumpPtr,jstring jpath,jstring jpackage,jint versionCode,jlong startTime,jlong endTime,jbyteArray jdata)41 static void addToDump(JNIEnv* env, jobject, jlong dumpPtr, jstring jpath, jstring jpackage,
42 jint versionCode, jlong startTime, jlong endTime, jbyteArray jdata) {
43 std::string path;
44 const ProfileData* data = nullptr;
45 LOG_ALWAYS_FATAL_IF(jdata == nullptr && jpath == nullptr, "Path and data can't both be null");
46 if (jdata != nullptr) {
47 ScopedByteArrayRO buffer(env, jdata);
48 LOG_ALWAYS_FATAL_IF(buffer.size() != sizeof(ProfileData),
49 "Buffer size %zu doesn't match expected %zu!", buffer.size(), sizeof(ProfileData));
50 data = reinterpret_cast<const ProfileData*>(buffer.get());
51 }
52 if (jpath != nullptr) {
53 ScopedUtfChars pathChars(env, jpath);
54 LOG_ALWAYS_FATAL_IF(pathChars.size() <= 0 || !pathChars.c_str(), "Failed to get path chars");
55 path.assign(pathChars.c_str(), pathChars.size());
56 }
57 ScopedUtfChars packageChars(env, jpackage);
58 LOG_ALWAYS_FATAL_IF(packageChars.size() <= 0 || !packageChars.c_str(), "Failed to get path chars");
59 GraphicsStatsService::Dump* dump = reinterpret_cast<GraphicsStatsService::Dump*>(dumpPtr);
60 LOG_ALWAYS_FATAL_IF(!dump, "null passed for dump pointer");
61
62 const std::string package(packageChars.c_str(), packageChars.size());
63 GraphicsStatsService::addToDump(dump, path, package, versionCode, startTime, endTime, data);
64 }
65
addFileToDump(JNIEnv * env,jobject,jlong dumpPtr,jstring jpath)66 static void addFileToDump(JNIEnv* env, jobject, jlong dumpPtr, jstring jpath) {
67 ScopedUtfChars pathChars(env, jpath);
68 LOG_ALWAYS_FATAL_IF(pathChars.size() <= 0 || !pathChars.c_str(), "Failed to get path chars");
69 const std::string path(pathChars.c_str(), pathChars.size());
70 GraphicsStatsService::Dump* dump = reinterpret_cast<GraphicsStatsService::Dump*>(dumpPtr);
71 GraphicsStatsService::addToDump(dump, path);
72 }
73
finishDump(JNIEnv *,jobject,jlong dumpPtr)74 static void finishDump(JNIEnv*, jobject, jlong dumpPtr) {
75 GraphicsStatsService::Dump* dump = reinterpret_cast<GraphicsStatsService::Dump*>(dumpPtr);
76 GraphicsStatsService::finishDump(dump);
77 }
78
saveBuffer(JNIEnv * env,jobject clazz,jstring jpath,jstring jpackage,jint versionCode,jlong startTime,jlong endTime,jbyteArray jdata)79 static void saveBuffer(JNIEnv* env, jobject clazz, jstring jpath, jstring jpackage,
80 jint versionCode, jlong startTime, jlong endTime, jbyteArray jdata) {
81 ScopedByteArrayRO buffer(env, jdata);
82 LOG_ALWAYS_FATAL_IF(buffer.size() != sizeof(ProfileData),
83 "Buffer size %zu doesn't match expected %zu!", buffer.size(), sizeof(ProfileData));
84 ScopedUtfChars pathChars(env, jpath);
85 LOG_ALWAYS_FATAL_IF(pathChars.size() <= 0 || !pathChars.c_str(), "Failed to get path chars");
86 ScopedUtfChars packageChars(env, jpackage);
87 LOG_ALWAYS_FATAL_IF(packageChars.size() <= 0 || !packageChars.c_str(), "Failed to get path chars");
88
89 const std::string path(pathChars.c_str(), pathChars.size());
90 const std::string package(packageChars.c_str(), packageChars.size());
91 const ProfileData* data = reinterpret_cast<const ProfileData*>(buffer.get());
92 GraphicsStatsService::saveBuffer(path, package, versionCode, startTime, endTime, data);
93 }
94
95 static const JNINativeMethod sMethods[] = {
96 { "nGetAshmemSize", "()I", (void*) getAshmemSize },
97 { "nCreateDump", "(IZ)J", (void*) createDump },
98 { "nAddToDump", "(JLjava/lang/String;Ljava/lang/String;IJJ[B)V", (void*) addToDump },
99 { "nAddToDump", "(JLjava/lang/String;)V", (void*) addFileToDump },
100 { "nFinishDump", "(J)V", (void*) finishDump },
101 { "nSaveBuffer", "(Ljava/lang/String;Ljava/lang/String;IJJ[B)V", (void*) saveBuffer },
102 };
103
register_android_server_GraphicsStatsService(JNIEnv * env)104 int register_android_server_GraphicsStatsService(JNIEnv* env)
105 {
106 return jniRegisterNativeMethods(env, "com/android/server/GraphicsStatsService",
107 sMethods, NELEM(sMethods));
108 }
109
110 } // namespace android