1#!/usr/bin/env python3
2# Copyright (C) 2020 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# This synthetic trace tests handling of the mm_id field in the rss_stat
17# event when mm_structs are reused on process death.
18
19from os import sys, path
20
21import synth_common
22
23trace = synth_common.create_trace()
24
25trace.add_packet(ts=1)
26trace.add_process(10, 1, "parent_process")
27trace.add_process(11, 10, "child_process")
28
29trace.add_ftrace_packet(1)
30
31trace.add_print(ts=99_000_000, tid=11, buf='C|10|panel_fps|60')
32trace.add_print(ts=100_000_000, tid=11, buf='C|10|panel_fps|90')
33trace.add_print(ts=101_000_000, tid=11, buf='C|10|panel_fps|60')
34trace.add_print(ts=102_000_000, tid=11, buf='C|10|panel_fps|120')
35
36# The duplicated fps will be ignored
37trace.add_print(ts=103_000_000, tid=11, buf='C|10|panel_fps|120')
38
39trace.add_print(ts=104_000_000, tid=11, buf='C|10|panel_fps|90')
40
41# The last fps and its following duplicates will be ignored, and will
42# only be used for the calculation of duration of the previous fps
43trace.add_print(ts=105_000_000, tid=11, buf='C|10|panel_fps|24')
44trace.add_print(ts=106_000_000, tid=11, buf='C|10|panel_fps|24')
45
46sys.stdout.buffer.write(trace.trace.SerializeToString())
47