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dumpstate: add logbuffer support for display

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Add logbuffer support for display driver to dump DSI cmd

Bug: 291441544
Test: adb root; adb shell dumpsys
android.hardware.dumpstate.IDumpstateDevice/default dump_display_logbuffer
Change-Id: I0c40fa9836851caa5b02528888153bd82e3a9d75
Signed-off-by: Ken Lin <lyenting@google.com>
This commit is contained in:
Ken Lin 2023-12-11 07:37:14 +00:00
parent 37493030cc
commit 71767237de
7 changed files with 65 additions and 0 deletions
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32
display_logbuffer/dump_display_logbuffer.cpp Normal file
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/*
* Copyright 2022 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.
*/
#include <dump/pixel_dump.h>
#include <unistd.h>
const char* logbuffer_paths[][2] = {
{"DSIM0", "/dev/logbuffer_dsim0"},
{"DSIM1", "/dev/logbuffer_dsim1"},
};
int main() {
for (auto &logbuffer_path : logbuffer_paths) {
if(!access(logbuffer_path[1], R_OK)) {
dumpFileContent(logbuffer_path[0], logbuffer_path[1]);
}
}
return 0;
}