f99af5651b
Bug: 287884860 Test: adb shell dumpsys android.hardware.dumpstate.IDumpstateDevice/default dump_memory Change-Id: Ifd6e7b19d1aaa8ca4e9d5b50902d4283dee9dffb
92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <dump/pixel_dump.h>
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#include <android-base/file.h>
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#include <stdio.h>
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#include <log/log.h>
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char* concat(char* result, const char* one, const char* two){
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strcpy(result, one);
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strcat(result, two);
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return result;
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}
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void iterate(const char* path){
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dirent *entry, *entry2;
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char result[100], base[100];
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std::unique_ptr<DIR, decltype(&closedir)> ion(opendir(path), closedir);
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if (!ion) {
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ALOGE("Fail To Open Dir %s", path);
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return;
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}
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while ((entry = readdir(ion.get())) != nullptr) {
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if(entry->d_name[0] == '.') {
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continue;
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}
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strcpy(base, path);
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strcat(base, entry->d_name);
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strcat(base, "/");
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std::unique_ptr<DIR, decltype(&closedir)> ion2(opendir(base), closedir);
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if (!ion2) {
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ALOGE("Fail To Open Dir %s\n", base);
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return;
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}
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while ((entry2 = readdir(ion2.get())) != nullptr) {
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if(entry2->d_name[0] == '.') {
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continue;
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}
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dumpFileContent(entry2->d_name, concat(result, base, entry2->d_name));
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}
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}
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return;
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}
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// Dump memory.
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int main() {
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dirent *entry;
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char result[100];
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printf("------ ION HEAPS ------\n");
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iterate("/d/ion/");
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dumpFileContent("dmabuf info", "/d/dma_buf/bufinfo");
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dumpFileContent("Page Pinner - longterm pin", "/sys/kernel/debug/page_pinner/buffer");
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printf("------ CMA info ------\n");
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std::unique_ptr<DIR, decltype(&closedir)> cmadebug(opendir("/sys/kernel/debug/cma/"), closedir);
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if (!cmadebug) {
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ALOGE("Fail To Open Dir /sys/kernel/debug/cma/");
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} else {
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while ((entry = readdir(cmadebug.get())) != nullptr) {
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if(entry->d_name[0] == '.') {
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continue;
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}
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dumpFileContent("count", concat(result, concat(result, "/sys/kernel/debug/cma/", entry->d_name), "/count"));
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dumpFileContent("used", concat(result, concat(result, "/sys/kernel/debug/cma/", entry->d_name), "/used"));
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dumpFileContent("bitmap", concat(result, concat(result, "/sys/kernel/debug/cma/", entry->d_name), "/bitmap"));
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}
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}
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printf("------ Pixel CMA stat ------\n");
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iterate("/sys/kernel/pixel_stat/mm/cma/");
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dumpFileContent("Pixel Trace", "/sys/kernel/tracing/instances/pixel/trace");
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return 0;
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}
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