2 * Copyright (C) 2015 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 #ifndef JANKTRACKER_H_
17 #define JANKTRACKER_H_
19 #include "FrameInfo.h"
20 #include "renderthread/TimeLord.h"
21 #include "utils/RingBuffer.h"
23 #include <cutils/compiler.h>
29 namespace uirenderer {
42 // Try to keep as small as possible, should match ASHMEM_SIZE in
43 // GraphicsStatsService.java
45 std::array<uint32_t, NUM_BUCKETS> jankTypeCounts;
46 // See comments on kBucket* constants for what this holds
47 std::array<uint32_t, 57> frameCounts;
48 // Holds a histogram of frame times in 50ms increments from 150ms to 5s
49 std::array<uint16_t, 97> slowFrameCounts;
51 uint32_t totalFrameCount;
52 uint32_t jankFrameCount;
53 nsecs_t statStartTime;
56 // TODO: Replace DrawProfiler with this
59 JankTracker(nsecs_t frameIntervalNanos);
62 void addFrame(const FrameInfo& frame);
64 void dump(int fd) { dumpData(mData, fd); }
67 void switchStorageToAshmem(int ashmemfd);
69 uint32_t findPercentile(int p) { return findPercentile(mData, p); }
71 ANDROID_API static void dumpBuffer(const void* buffer, size_t bufsize, int fd);
75 void setFrameInterval(nsecs_t frameIntervalNanos);
77 static uint32_t findPercentile(const ProfileData* data, int p);
78 static void dumpData(const ProfileData* data, int fd);
80 std::array<int64_t, NUM_BUCKETS> mThresholds;
81 int64_t mFrameInterval;
83 bool mIsMapped = false;
86 } /* namespace uirenderer */
87 } /* namespace android */
89 #endif /* JANKTRACKER_H_ */