| /* |
| * Copyright 2020 The Android Open Source 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. |
| */ |
| |
| #pragma once |
| |
| namespace android { |
| |
| // Jank information tracked by SurfaceFlinger for the purpose of funneling to telemetry. |
| enum JankType { |
| // No Jank |
| None = 0x0, |
| // Jank not related to SurfaceFlinger or the App |
| Display = 0x1, |
| // SF took too long on the CPU |
| SurfaceFlingerDeadlineMissed = 0x2, |
| // SF took too long on the GPU |
| SurfaceFlingerGpuDeadlineMissed = 0x4, |
| // Either App or GPU took too long on the frame |
| AppDeadlineMissed = 0x8, |
| // Predictions live for 120ms, if prediction is expired for a frame, there is definitely a |
| // jank |
| // associated with the App if this is for a SurfaceFrame, and SF for a DisplayFrame. |
| PredictionExpired = 0x10, |
| // Latching a buffer early might cause an early present of the frame |
| SurfaceFlingerEarlyLatch = 0x20, |
| }; |
| |
| } // namespace android |