1 /* 2 * Copyright (C) 2024 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 #ifndef SRC_TRACE_REDACTION_FRAME_COOKIE_H_ 18 #define SRC_TRACE_REDACTION_FRAME_COOKIE_H_ 19 20 #include <cstdint> 21 22 struct FrameCookie { 23 // The timestamp from the trace packet. 24 uint64_t ts; 25 26 // The cookie value will be found inside of the start event (there are four 27 // different start types). This is the app's pid (main thread id). 28 29 // ExpectedSurfaceFrameStart: pid = app id 30 // ActualSurfaceFrameStart: pid = app id 31 32 // ExpectedDisplayFrameStart: pid = surface flinger 33 // ActualDisplayFrameStart: pid = surface flinger 34 int32_t pid; 35 36 // The cookie value will be found inside of the start event (there are four 37 // different start types). End events use the cookie to connect to the start 38 // event. Therefore end events don't need a pid. 39 int64_t cookie; 40 }; 41 42 #endif // SRC_TRACE_REDACTION_FRAME_COOKIE_H_ 43