1342 lines
43 KiB
C++
1342 lines
43 KiB
C++
/*
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* Copyright (C) 2008 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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#define LOG_TAG "dumpstate"
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#include "dumpstate.h"
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#include <dirent.h>
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#include <fcntl.h>
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#include <libgen.h>
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#include <math.h>
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#include <poll.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/capability.h>
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#include <sys/inotify.h>
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#include <sys/klog.h>
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#include <sys/prctl.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/wait.h>
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#include <time.h>
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#include <unistd.h>
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#include <memory>
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#include <set>
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#include <string>
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#include <vector>
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#include <android-base/file.h>
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#include <android-base/properties.h>
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#include <android-base/stringprintf.h>
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#include <android-base/strings.h>
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#include <android-base/unique_fd.h>
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#include <android/hidl/manager/1.0/IServiceManager.h>
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#include <cutils/properties.h>
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#include <cutils/sockets.h>
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#include <debuggerd/client.h>
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#include <log/log.h>
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#include <private/android_filesystem_config.h>
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#include "DumpstateInternal.h"
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// TODO: remove once moved to namespace
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using android::os::dumpstate::CommandOptions;
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using android::os::dumpstate::DumpFileToFd;
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using android::os::dumpstate::PropertiesHelper;
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// Keep in sync with
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// frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java
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static const int TRACE_DUMP_TIMEOUT_MS = 10000; // 10 seconds
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/* Most simple commands have 10 as timeout, so 5 is a good estimate */
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static const int32_t WEIGHT_FILE = 5;
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// TODO: temporary variables and functions used during C++ refactoring
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static Dumpstate& ds = Dumpstate::GetInstance();
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static int RunCommand(const std::string& title, const std::vector<std::string>& full_command,
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const CommandOptions& options = CommandOptions::DEFAULT) {
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return ds.RunCommand(title, full_command, options);
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}
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/* list of native processes to include in the native dumps */
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// This matches the /proc/pid/exe link instead of /proc/pid/cmdline.
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static const char* native_processes_to_dump[] = {
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"/system/bin/audioserver",
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"/system/bin/cameraserver",
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"/system/bin/drmserver",
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"/system/bin/mediadrmserver",
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"/system/bin/mediaextractor", // media.extractor
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"/system/bin/mediaserver",
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"/system/bin/sdcard",
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"/system/bin/surfaceflinger",
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"/system/bin/vehicle_network_service",
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"/vendor/bin/hw/android.hardware.media.omx@1.0-service", // media.codec
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NULL,
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};
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/* list of hal interface to dump containing process during native dumps */
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static const char* hal_interfaces_to_dump[] {
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"android.hardware.audio@2.0::IDevicesFactory",
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"android.hardware.bluetooth@1.0::IBluetoothHci",
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"android.hardware.camera.provider@2.4::ICameraProvider",
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"android.hardware.graphics.composer@2.1::IComposer",
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"android.hardware.media.omx@1.0::IOmx",
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"android.hardware.sensors@1.0::ISensors",
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"android.hardware.vr@1.0::IVr",
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NULL,
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};
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// Reasonable value for max stats.
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static const int STATS_MAX_N_RUNS = 1000;
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static const long STATS_MAX_AVERAGE = 100000;
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CommandOptions Dumpstate::DEFAULT_DUMPSYS = CommandOptions::WithTimeout(30).Build();
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Dumpstate::Dumpstate(const std::string& version)
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: pid_(getpid()), version_(version), now_(time(nullptr)) {
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}
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Dumpstate& Dumpstate::GetInstance() {
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static Dumpstate singleton_(android::base::GetProperty("dumpstate.version", VERSION_CURRENT));
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return singleton_;
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}
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DurationReporter::DurationReporter(const std::string& title, bool log_only)
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: title_(title), log_only_(log_only) {
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if (!title_.empty()) {
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started_ = Nanotime();
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}
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}
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DurationReporter::~DurationReporter() {
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if (!title_.empty()) {
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uint64_t elapsed = Nanotime() - started_;
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if (log_only_) {
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MYLOGD("Duration of '%s': %.3fs\n", title_.c_str(), (float)elapsed / NANOS_PER_SEC);
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} else {
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// Use "Yoda grammar" to make it easier to grep|sort sections.
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printf("------ %.3fs was the duration of '%s' ------\n", (float)elapsed / NANOS_PER_SEC,
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title_.c_str());
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}
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}
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}
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const int32_t Progress::kDefaultMax = 5000;
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Progress::Progress(const std::string& path) : Progress(Progress::kDefaultMax, 1.1, path) {
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}
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Progress::Progress(int32_t initial_max, int32_t progress, float growth_factor)
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: Progress(initial_max, growth_factor, "") {
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progress_ = progress;
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}
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Progress::Progress(int32_t initial_max, float growth_factor, const std::string& path)
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: initial_max_(initial_max),
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progress_(0),
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max_(initial_max),
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growth_factor_(growth_factor),
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n_runs_(0),
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average_max_(0),
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path_(path) {
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if (!path_.empty()) {
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Load();
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}
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}
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void Progress::Load() {
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MYLOGD("Loading stats from %s\n", path_.c_str());
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std::string content;
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if (!android::base::ReadFileToString(path_, &content)) {
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MYLOGI("Could not read stats from %s; using max of %d\n", path_.c_str(), max_);
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return;
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}
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if (content.empty()) {
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MYLOGE("No stats (empty file) on %s; using max of %d\n", path_.c_str(), max_);
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return;
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}
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std::vector<std::string> lines = android::base::Split(content, "\n");
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if (lines.size() < 1) {
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MYLOGE("Invalid stats on file %s: not enough lines (%d). Using max of %d\n", path_.c_str(),
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(int)lines.size(), max_);
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return;
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}
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char* ptr;
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n_runs_ = strtol(lines[0].c_str(), &ptr, 10);
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average_max_ = strtol(ptr, nullptr, 10);
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if (n_runs_ <= 0 || average_max_ <= 0 || n_runs_ > STATS_MAX_N_RUNS ||
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average_max_ > STATS_MAX_AVERAGE) {
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MYLOGE("Invalid stats line on file %s: %s\n", path_.c_str(), lines[0].c_str());
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initial_max_ = Progress::kDefaultMax;
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} else {
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initial_max_ = average_max_;
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}
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max_ = initial_max_;
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MYLOGI("Average max progress: %d in %d runs; estimated max: %d\n", average_max_, n_runs_, max_);
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}
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void Progress::Save() {
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int32_t total = n_runs_ * average_max_ + progress_;
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int32_t runs = n_runs_ + 1;
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int32_t average = floor(((float)total) / runs);
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MYLOGI("Saving stats (total=%d, runs=%d, average=%d) on %s\n", total, runs, average,
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path_.c_str());
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if (path_.empty()) {
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return;
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}
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std::string content = android::base::StringPrintf("%d %d\n", runs, average);
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if (!android::base::WriteStringToFile(content, path_)) {
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MYLOGE("Could not save stats on %s\n", path_.c_str());
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}
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}
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int32_t Progress::Get() const {
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return progress_;
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}
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bool Progress::Inc(int32_t delta) {
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bool changed = false;
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if (delta >= 0) {
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progress_ += delta;
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if (progress_ > max_) {
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int32_t old_max = max_;
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max_ = floor((float)progress_ * growth_factor_);
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MYLOGD("Adjusting max progress from %d to %d\n", old_max, max_);
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changed = true;
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}
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}
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return changed;
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}
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int32_t Progress::GetMax() const {
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return max_;
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}
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int32_t Progress::GetInitialMax() const {
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return initial_max_;
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}
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void Progress::Dump(int fd, const std::string& prefix) const {
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const char* pr = prefix.c_str();
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dprintf(fd, "%sprogress: %d\n", pr, progress_);
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dprintf(fd, "%smax: %d\n", pr, max_);
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dprintf(fd, "%sinitial_max: %d\n", pr, initial_max_);
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dprintf(fd, "%sgrowth_factor: %0.2f\n", pr, growth_factor_);
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dprintf(fd, "%spath: %s\n", pr, path_.c_str());
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dprintf(fd, "%sn_runs: %d\n", pr, n_runs_);
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dprintf(fd, "%saverage_max: %d\n", pr, average_max_);
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}
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bool Dumpstate::IsZipping() const {
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return zip_writer_ != nullptr;
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}
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std::string Dumpstate::GetPath(const std::string& suffix) const {
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return android::base::StringPrintf("%s/%s-%s%s", bugreport_dir_.c_str(), base_name_.c_str(),
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name_.c_str(), suffix.c_str());
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}
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void Dumpstate::SetProgress(std::unique_ptr<Progress> progress) {
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progress_ = std::move(progress);
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}
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void for_each_userid(void (*func)(int), const char *header) {
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std::string title = header == nullptr ? "for_each_userid" : android::base::StringPrintf(
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"for_each_userid(%s)", header);
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DurationReporter duration_reporter(title);
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if (PropertiesHelper::IsDryRun()) return;
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DIR *d;
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struct dirent *de;
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if (header) printf("\n------ %s ------\n", header);
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func(0);
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if (!(d = opendir("/data/system/users"))) {
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printf("Failed to open /data/system/users (%s)\n", strerror(errno));
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return;
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}
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while ((de = readdir(d))) {
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int userid;
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if (de->d_type != DT_DIR || !(userid = atoi(de->d_name))) {
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continue;
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}
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func(userid);
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}
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closedir(d);
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}
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static void __for_each_pid(void (*helper)(int, const char *, void *), const char *header, void *arg) {
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DIR *d;
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struct dirent *de;
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if (!(d = opendir("/proc"))) {
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printf("Failed to open /proc (%s)\n", strerror(errno));
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return;
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}
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if (header) printf("\n------ %s ------\n", header);
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while ((de = readdir(d))) {
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int pid;
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int fd;
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char cmdpath[255];
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char cmdline[255];
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if (!(pid = atoi(de->d_name))) {
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continue;
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}
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memset(cmdline, 0, sizeof(cmdline));
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snprintf(cmdpath, sizeof(cmdpath), "/proc/%d/cmdline", pid);
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if ((fd = TEMP_FAILURE_RETRY(open(cmdpath, O_RDONLY | O_CLOEXEC))) >= 0) {
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TEMP_FAILURE_RETRY(read(fd, cmdline, sizeof(cmdline) - 2));
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close(fd);
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if (cmdline[0]) {
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helper(pid, cmdline, arg);
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continue;
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}
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}
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// if no cmdline, a kernel thread has comm
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snprintf(cmdpath, sizeof(cmdpath), "/proc/%d/comm", pid);
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if ((fd = TEMP_FAILURE_RETRY(open(cmdpath, O_RDONLY | O_CLOEXEC))) >= 0) {
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TEMP_FAILURE_RETRY(read(fd, cmdline + 1, sizeof(cmdline) - 4));
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close(fd);
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if (cmdline[1]) {
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cmdline[0] = '[';
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size_t len = strcspn(cmdline, "\f\b\r\n");
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cmdline[len] = ']';
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cmdline[len+1] = '\0';
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}
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}
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if (!cmdline[0]) {
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strcpy(cmdline, "N/A");
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}
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helper(pid, cmdline, arg);
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}
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closedir(d);
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}
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static void for_each_pid_helper(int pid, const char *cmdline, void *arg) {
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for_each_pid_func *func = (for_each_pid_func*) arg;
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func(pid, cmdline);
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}
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void for_each_pid(for_each_pid_func func, const char *header) {
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std::string title = header == nullptr ? "for_each_pid"
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: android::base::StringPrintf("for_each_pid(%s)", header);
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DurationReporter duration_reporter(title);
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if (PropertiesHelper::IsDryRun()) return;
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__for_each_pid(for_each_pid_helper, header, (void *) func);
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}
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static void for_each_tid_helper(int pid, const char *cmdline, void *arg) {
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DIR *d;
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struct dirent *de;
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char taskpath[255];
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for_each_tid_func *func = (for_each_tid_func *) arg;
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snprintf(taskpath, sizeof(taskpath), "/proc/%d/task", pid);
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if (!(d = opendir(taskpath))) {
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printf("Failed to open %s (%s)\n", taskpath, strerror(errno));
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return;
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}
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func(pid, pid, cmdline);
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while ((de = readdir(d))) {
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int tid;
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int fd;
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char commpath[255];
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char comm[255];
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if (!(tid = atoi(de->d_name))) {
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continue;
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}
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if (tid == pid)
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continue;
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snprintf(commpath, sizeof(commpath), "/proc/%d/comm", tid);
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memset(comm, 0, sizeof(comm));
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if ((fd = TEMP_FAILURE_RETRY(open(commpath, O_RDONLY | O_CLOEXEC))) < 0) {
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strcpy(comm, "N/A");
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} else {
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char *c;
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TEMP_FAILURE_RETRY(read(fd, comm, sizeof(comm) - 2));
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close(fd);
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c = strrchr(comm, '\n');
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if (c) {
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*c = '\0';
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}
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}
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func(pid, tid, comm);
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}
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closedir(d);
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}
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void for_each_tid(for_each_tid_func func, const char *header) {
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std::string title = header == nullptr ? "for_each_tid"
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: android::base::StringPrintf("for_each_tid(%s)", header);
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DurationReporter duration_reporter(title);
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if (PropertiesHelper::IsDryRun()) return;
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__for_each_pid(for_each_tid_helper, header, (void *) func);
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}
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void show_wchan(int pid, int tid, const char *name) {
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if (PropertiesHelper::IsDryRun()) return;
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char path[255];
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char buffer[255];
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int fd, ret, save_errno;
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char name_buffer[255];
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memset(buffer, 0, sizeof(buffer));
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snprintf(path, sizeof(path), "/proc/%d/wchan", tid);
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if ((fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC))) < 0) {
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printf("Failed to open '%s' (%s)\n", path, strerror(errno));
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return;
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}
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ret = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer)));
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save_errno = errno;
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close(fd);
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if (ret < 0) {
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printf("Failed to read '%s' (%s)\n", path, strerror(save_errno));
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return;
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}
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snprintf(name_buffer, sizeof(name_buffer), "%*s%s",
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pid == tid ? 0 : 3, "", name);
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printf("%-7d %-32s %s\n", tid, name_buffer, buffer);
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return;
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}
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// print time in centiseconds
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static void snprcent(char *buffer, size_t len, size_t spc,
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unsigned long long time) {
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static long hz; // cache discovered hz
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if (hz <= 0) {
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hz = sysconf(_SC_CLK_TCK);
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if (hz <= 0) {
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hz = 1000;
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}
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}
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// convert to centiseconds
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time = (time * 100 + (hz / 2)) / hz;
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char str[16];
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snprintf(str, sizeof(str), " %llu.%02u",
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time / 100, (unsigned)(time % 100));
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size_t offset = strlen(buffer);
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snprintf(buffer + offset, (len > offset) ? len - offset : 0,
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"%*s", (spc > offset) ? (int)(spc - offset) : 0, str);
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}
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// print permille as a percent
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static void snprdec(char *buffer, size_t len, size_t spc, unsigned permille) {
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char str[16];
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snprintf(str, sizeof(str), " %u.%u%%", permille / 10, permille % 10);
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size_t offset = strlen(buffer);
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snprintf(buffer + offset, (len > offset) ? len - offset : 0,
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"%*s", (spc > offset) ? (int)(spc - offset) : 0, str);
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}
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void show_showtime(int pid, const char *name) {
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if (PropertiesHelper::IsDryRun()) return;
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char path[255];
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char buffer[1023];
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int fd, ret, save_errno;
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memset(buffer, 0, sizeof(buffer));
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snprintf(path, sizeof(path), "/proc/%d/stat", pid);
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if ((fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC))) < 0) {
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printf("Failed to open '%s' (%s)\n", path, strerror(errno));
|
|
return;
|
|
}
|
|
|
|
ret = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer)));
|
|
save_errno = errno;
|
|
close(fd);
|
|
|
|
if (ret < 0) {
|
|
printf("Failed to read '%s' (%s)\n", path, strerror(save_errno));
|
|
return;
|
|
}
|
|
|
|
// field 14 is utime
|
|
// field 15 is stime
|
|
// field 42 is iotime
|
|
unsigned long long utime = 0, stime = 0, iotime = 0;
|
|
if (sscanf(buffer,
|
|
"%*u %*s %*s %*d %*d %*d %*d %*d %*d %*d %*d "
|
|
"%*d %*d %llu %llu %*d %*d %*d %*d %*d %*d "
|
|
"%*d %*d %*d %*d %*d %*d %*d %*d %*d %*d "
|
|
"%*d %*d %*d %*d %*d %*d %*d %*d %*d %llu ",
|
|
&utime, &stime, &iotime) != 3) {
|
|
return;
|
|
}
|
|
|
|
unsigned long long total = utime + stime;
|
|
if (!total) {
|
|
return;
|
|
}
|
|
|
|
unsigned permille = (iotime * 1000 + (total / 2)) / total;
|
|
if (permille > 1000) {
|
|
permille = 1000;
|
|
}
|
|
|
|
// try to beautify and stabilize columns at <80 characters
|
|
snprintf(buffer, sizeof(buffer), "%-6d%s", pid, name);
|
|
if ((name[0] != '[') || utime) {
|
|
snprcent(buffer, sizeof(buffer), 57, utime);
|
|
}
|
|
snprcent(buffer, sizeof(buffer), 65, stime);
|
|
if ((name[0] != '[') || iotime) {
|
|
snprcent(buffer, sizeof(buffer), 73, iotime);
|
|
}
|
|
if (iotime) {
|
|
snprdec(buffer, sizeof(buffer), 79, permille);
|
|
}
|
|
puts(buffer); // adds a trailing newline
|
|
|
|
return;
|
|
}
|
|
|
|
void do_dmesg() {
|
|
const char *title = "KERNEL LOG (dmesg)";
|
|
DurationReporter duration_reporter(title);
|
|
printf("------ %s ------\n", title);
|
|
|
|
if (PropertiesHelper::IsDryRun()) return;
|
|
|
|
/* Get size of kernel buffer */
|
|
int size = klogctl(KLOG_SIZE_BUFFER, NULL, 0);
|
|
if (size <= 0) {
|
|
printf("Unexpected klogctl return value: %d\n\n", size);
|
|
return;
|
|
}
|
|
char *buf = (char *) malloc(size + 1);
|
|
if (buf == NULL) {
|
|
printf("memory allocation failed\n\n");
|
|
return;
|
|
}
|
|
int retval = klogctl(KLOG_READ_ALL, buf, size);
|
|
if (retval < 0) {
|
|
printf("klogctl failure\n\n");
|
|
free(buf);
|
|
return;
|
|
}
|
|
buf[retval] = '\0';
|
|
printf("%s\n\n", buf);
|
|
free(buf);
|
|
return;
|
|
}
|
|
|
|
void do_showmap(int pid, const char *name) {
|
|
char title[255];
|
|
char arg[255];
|
|
|
|
snprintf(title, sizeof(title), "SHOW MAP %d (%s)", pid, name);
|
|
snprintf(arg, sizeof(arg), "%d", pid);
|
|
RunCommand(title, {"showmap", "-q", arg}, CommandOptions::AS_ROOT);
|
|
}
|
|
|
|
int Dumpstate::DumpFile(const std::string& title, const std::string& path) {
|
|
DurationReporter duration_reporter(title);
|
|
|
|
int status = DumpFileToFd(STDOUT_FILENO, title, path);
|
|
|
|
UpdateProgress(WEIGHT_FILE);
|
|
|
|
return status;
|
|
}
|
|
|
|
int read_file_as_long(const char *path, long int *output) {
|
|
int fd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_NONBLOCK | O_CLOEXEC));
|
|
if (fd < 0) {
|
|
int err = errno;
|
|
MYLOGE("Error opening file descriptor for %s: %s\n", path, strerror(err));
|
|
return -1;
|
|
}
|
|
char buffer[50];
|
|
ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer, sizeof(buffer)));
|
|
if (bytes_read == -1) {
|
|
MYLOGE("Error reading file %s: %s\n", path, strerror(errno));
|
|
return -2;
|
|
}
|
|
if (bytes_read == 0) {
|
|
MYLOGE("File %s is empty\n", path);
|
|
return -3;
|
|
}
|
|
*output = atoi(buffer);
|
|
return 0;
|
|
}
|
|
|
|
/* calls skip to gate calling dump_from_fd recursively
|
|
* in the specified directory. dump_from_fd defaults to
|
|
* dump_file_from_fd above when set to NULL. skip defaults
|
|
* to false when set to NULL. dump_from_fd will always be
|
|
* called with title NULL.
|
|
*/
|
|
int dump_files(const std::string& title, const char* dir, bool (*skip)(const char* path),
|
|
int (*dump_from_fd)(const char* title, const char* path, int fd)) {
|
|
DurationReporter duration_reporter(title);
|
|
DIR *dirp;
|
|
struct dirent *d;
|
|
char *newpath = NULL;
|
|
const char *slash = "/";
|
|
int fd, retval = 0;
|
|
|
|
if (!title.empty()) {
|
|
printf("------ %s (%s) ------\n", title.c_str(), dir);
|
|
}
|
|
if (PropertiesHelper::IsDryRun()) return 0;
|
|
|
|
if (dir[strlen(dir) - 1] == '/') {
|
|
++slash;
|
|
}
|
|
dirp = opendir(dir);
|
|
if (dirp == NULL) {
|
|
retval = -errno;
|
|
MYLOGE("%s: %s\n", dir, strerror(errno));
|
|
return retval;
|
|
}
|
|
|
|
if (!dump_from_fd) {
|
|
dump_from_fd = dump_file_from_fd;
|
|
}
|
|
for (; ((d = readdir(dirp))); free(newpath), newpath = NULL) {
|
|
if ((d->d_name[0] == '.')
|
|
&& (((d->d_name[1] == '.') && (d->d_name[2] == '\0'))
|
|
|| (d->d_name[1] == '\0'))) {
|
|
continue;
|
|
}
|
|
asprintf(&newpath, "%s%s%s%s", dir, slash, d->d_name,
|
|
(d->d_type == DT_DIR) ? "/" : "");
|
|
if (!newpath) {
|
|
retval = -errno;
|
|
continue;
|
|
}
|
|
if (skip && (*skip)(newpath)) {
|
|
continue;
|
|
}
|
|
if (d->d_type == DT_DIR) {
|
|
int ret = dump_files("", newpath, skip, dump_from_fd);
|
|
if (ret < 0) {
|
|
retval = ret;
|
|
}
|
|
continue;
|
|
}
|
|
fd = TEMP_FAILURE_RETRY(open(newpath, O_RDONLY | O_NONBLOCK | O_CLOEXEC));
|
|
if (fd < 0) {
|
|
retval = fd;
|
|
printf("*** %s: %s\n", newpath, strerror(errno));
|
|
continue;
|
|
}
|
|
(*dump_from_fd)(NULL, newpath, fd);
|
|
}
|
|
closedir(dirp);
|
|
if (!title.empty()) {
|
|
printf("\n");
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
/* fd must have been opened with the flag O_NONBLOCK. With this flag set,
|
|
* it's possible to avoid issues where opening the file itself can get
|
|
* stuck.
|
|
*/
|
|
int dump_file_from_fd(const char *title, const char *path, int fd) {
|
|
if (PropertiesHelper::IsDryRun()) return 0;
|
|
|
|
int flags = fcntl(fd, F_GETFL);
|
|
if (flags == -1) {
|
|
printf("*** %s: failed to get flags on fd %d: %s\n", path, fd, strerror(errno));
|
|
close(fd);
|
|
return -1;
|
|
} else if (!(flags & O_NONBLOCK)) {
|
|
printf("*** %s: fd must have O_NONBLOCK set.\n", path);
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
return DumpFileFromFdToFd(title, path, fd, STDOUT_FILENO, PropertiesHelper::IsDryRun());
|
|
}
|
|
|
|
int Dumpstate::RunCommand(const std::string& title, const std::vector<std::string>& full_command,
|
|
const CommandOptions& options) {
|
|
DurationReporter duration_reporter(title);
|
|
|
|
int status = RunCommandToFd(STDOUT_FILENO, title, full_command, options);
|
|
|
|
/* TODO: for now we're simplifying the progress calculation by using the
|
|
* timeout as the weight. It's a good approximation for most cases, except when calling dumpsys,
|
|
* where its weight should be much higher proportionally to its timeout.
|
|
* Ideally, it should use a options.EstimatedDuration() instead...*/
|
|
UpdateProgress(options.Timeout());
|
|
|
|
return status;
|
|
}
|
|
|
|
void Dumpstate::RunDumpsys(const std::string& title, const std::vector<std::string>& dumpsys_args,
|
|
const CommandOptions& options, long dumpsysTimeout) {
|
|
long timeout = dumpsysTimeout > 0 ? dumpsysTimeout : options.Timeout();
|
|
std::vector<std::string> dumpsys = {"/system/bin/dumpsys", "-t", std::to_string(timeout)};
|
|
dumpsys.insert(dumpsys.end(), dumpsys_args.begin(), dumpsys_args.end());
|
|
RunCommand(title, dumpsys, options);
|
|
}
|
|
|
|
int open_socket(const char *service) {
|
|
int s = android_get_control_socket(service);
|
|
if (s < 0) {
|
|
MYLOGE("android_get_control_socket(%s): %s\n", service, strerror(errno));
|
|
exit(1);
|
|
}
|
|
fcntl(s, F_SETFD, FD_CLOEXEC);
|
|
if (listen(s, 4) < 0) {
|
|
MYLOGE("listen(control socket): %s\n", strerror(errno));
|
|
exit(1);
|
|
}
|
|
|
|
struct sockaddr addr;
|
|
socklen_t alen = sizeof(addr);
|
|
int fd = accept(s, &addr, &alen);
|
|
if (fd < 0) {
|
|
MYLOGE("accept(control socket): %s\n", strerror(errno));
|
|
exit(1);
|
|
}
|
|
|
|
return fd;
|
|
}
|
|
|
|
/* redirect output to a service control socket */
|
|
void redirect_to_socket(FILE *redirect, const char *service) {
|
|
int fd = open_socket(service);
|
|
fflush(redirect);
|
|
dup2(fd, fileno(redirect));
|
|
close(fd);
|
|
}
|
|
|
|
// TODO: should call is_valid_output_file and/or be merged into it.
|
|
void create_parent_dirs(const char *path) {
|
|
char *chp = const_cast<char *> (path);
|
|
|
|
/* skip initial slash */
|
|
if (chp[0] == '/')
|
|
chp++;
|
|
|
|
/* create leading directories, if necessary */
|
|
struct stat dir_stat;
|
|
while (chp && chp[0]) {
|
|
chp = strchr(chp, '/');
|
|
if (chp) {
|
|
*chp = 0;
|
|
if (stat(path, &dir_stat) == -1 || !S_ISDIR(dir_stat.st_mode)) {
|
|
MYLOGI("Creating directory %s\n", path);
|
|
if (mkdir(path, 0770)) { /* drwxrwx--- */
|
|
MYLOGE("Unable to create directory %s: %s\n", path, strerror(errno));
|
|
} else if (chown(path, AID_SHELL, AID_SHELL)) {
|
|
MYLOGE("Unable to change ownership of dir %s: %s\n", path, strerror(errno));
|
|
}
|
|
}
|
|
*chp++ = '/';
|
|
}
|
|
}
|
|
}
|
|
|
|
void _redirect_to_file(FILE *redirect, char *path, int truncate_flag) {
|
|
create_parent_dirs(path);
|
|
|
|
int fd = TEMP_FAILURE_RETRY(open(path,
|
|
O_WRONLY | O_CREAT | truncate_flag | O_CLOEXEC | O_NOFOLLOW,
|
|
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH));
|
|
if (fd < 0) {
|
|
MYLOGE("%s: %s\n", path, strerror(errno));
|
|
exit(1);
|
|
}
|
|
|
|
TEMP_FAILURE_RETRY(dup2(fd, fileno(redirect)));
|
|
close(fd);
|
|
}
|
|
|
|
void redirect_to_file(FILE *redirect, char *path) {
|
|
_redirect_to_file(redirect, path, O_TRUNC);
|
|
}
|
|
|
|
void redirect_to_existing_file(FILE *redirect, char *path) {
|
|
_redirect_to_file(redirect, path, O_APPEND);
|
|
}
|
|
|
|
static bool should_dump_hal_interface(const char* interface) {
|
|
for (const char** i = hal_interfaces_to_dump; *i; i++) {
|
|
if (!strcmp(*i, interface)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static bool should_dump_native_traces(const char* path) {
|
|
for (const char** p = native_processes_to_dump; *p; p++) {
|
|
if (!strcmp(*p, path)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
std::set<int> get_interesting_hal_pids() {
|
|
using android::hidl::manager::V1_0::IServiceManager;
|
|
using android::sp;
|
|
using android::hardware::Return;
|
|
|
|
sp<IServiceManager> manager = IServiceManager::getService();
|
|
std::set<int> pids;
|
|
|
|
Return<void> ret = manager->debugDump([&](auto& hals) {
|
|
for (const auto &info : hals) {
|
|
if (info.pid == static_cast<int>(IServiceManager::PidConstant::NO_PID)) {
|
|
continue;
|
|
}
|
|
|
|
if (!should_dump_hal_interface(info.interfaceName.c_str())) {
|
|
continue;
|
|
}
|
|
|
|
pids.insert(info.pid);
|
|
}
|
|
});
|
|
|
|
if (!ret.isOk()) {
|
|
MYLOGE("Could not get list of HAL PIDs: %s\n", ret.description().c_str());
|
|
}
|
|
|
|
return pids; // whether it was okay or not
|
|
}
|
|
|
|
const char* DumpTraces(const std::string& traces_path);
|
|
const char* DumpTracesTombstoned(const std::string& traces_dir);
|
|
|
|
/* dump Dalvik and native stack traces, return the trace file location (NULL if none) */
|
|
const char *dump_traces() {
|
|
DurationReporter duration_reporter("DUMP TRACES");
|
|
|
|
const std::string traces_dir = android::base::GetProperty("dalvik.vm.stack-trace-dir", "");
|
|
if (!traces_dir.empty()) {
|
|
return DumpTracesTombstoned(traces_dir);
|
|
}
|
|
|
|
const std::string traces_file = android::base::GetProperty("dalvik.vm.stack-trace-file", "");
|
|
if (!traces_file.empty()) {
|
|
return DumpTraces(traces_file);
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
static bool IsZygote(int pid) {
|
|
static const std::string kZygotePrefix = "zygote";
|
|
|
|
std::string cmdline;
|
|
if (!android::base::ReadFileToString(android::base::StringPrintf("/proc/%d/cmdline", pid),
|
|
&cmdline)) {
|
|
return true;
|
|
}
|
|
|
|
return (cmdline.find(kZygotePrefix) == 0);
|
|
}
|
|
|
|
const char* DumpTracesTombstoned(const std::string& traces_dir) {
|
|
const std::string temp_file_pattern = traces_dir + "/dumptrace_XXXXXX";
|
|
|
|
const size_t buf_size = temp_file_pattern.length() + 1;
|
|
std::unique_ptr<char[]> file_name_buf(new char[buf_size]);
|
|
memcpy(file_name_buf.get(), temp_file_pattern.c_str(), buf_size);
|
|
|
|
// Create a new, empty file to receive all trace dumps.
|
|
//
|
|
// TODO: This can be simplified once we remove support for the old style
|
|
// dumps. We can have a file descriptor passed in to dump_traces instead
|
|
// of creating a file, closing it and then reopening it again.
|
|
android::base::unique_fd fd(mkostemp(file_name_buf.get(), O_APPEND | O_CLOEXEC));
|
|
if (fd < 0) {
|
|
MYLOGE("mkostemp on pattern %s: %s\n", file_name_buf.get(), strerror(errno));
|
|
return nullptr;
|
|
}
|
|
|
|
// Nobody should have access to this temporary file except dumpstate, but we
|
|
// temporarily grant 'read' to 'others' here because this file is created
|
|
// when tombstoned is still running as root, but dumped after dropping. This
|
|
// can go away once support for old style dumping has.
|
|
const int chmod_ret = fchmod(fd, 0666);
|
|
if (chmod_ret < 0) {
|
|
MYLOGE("fchmod on %s failed: %s\n", file_name_buf.get(), strerror(errno));
|
|
return nullptr;
|
|
}
|
|
|
|
std::unique_ptr<DIR, decltype(&closedir)> proc(opendir("/proc"), closedir);
|
|
if (proc.get() == nullptr) {
|
|
MYLOGE("opendir /proc failed: %s\n", strerror(errno));
|
|
return nullptr;
|
|
}
|
|
|
|
// Number of times process dumping has timed out. If we encounter too many
|
|
// failures, we'll give up.
|
|
int timeout_failures = 0;
|
|
bool dalvik_found = false;
|
|
|
|
const std::set<int> hal_pids = get_interesting_hal_pids();
|
|
|
|
struct dirent* d;
|
|
while ((d = readdir(proc.get()))) {
|
|
int pid = atoi(d->d_name);
|
|
if (pid <= 0) {
|
|
continue;
|
|
}
|
|
|
|
const std::string link_name = android::base::StringPrintf("/proc/%d/exe", pid);
|
|
std::string exe;
|
|
if (!android::base::Readlink(link_name, &exe)) {
|
|
continue;
|
|
}
|
|
|
|
bool is_java_process;
|
|
if (exe == "/system/bin/app_process32" || exe == "/system/bin/app_process64") {
|
|
// Don't bother dumping backtraces for the zygote.
|
|
if (IsZygote(pid)) {
|
|
continue;
|
|
}
|
|
|
|
dalvik_found = true;
|
|
is_java_process = true;
|
|
} else if (should_dump_native_traces(exe.c_str()) || hal_pids.find(pid) != hal_pids.end()) {
|
|
is_java_process = false;
|
|
} else {
|
|
// Probably a native process we don't care about, continue.
|
|
continue;
|
|
}
|
|
|
|
// If 3 backtrace dumps fail in a row, consider debuggerd dead.
|
|
if (timeout_failures == 3) {
|
|
dprintf(fd, "ERROR: Too many stack dump failures, exiting.\n");
|
|
break;
|
|
}
|
|
|
|
const uint64_t start = Nanotime();
|
|
const int ret = dump_backtrace_to_file_timeout(
|
|
pid, is_java_process ? kDebuggerdJavaBacktrace : kDebuggerdNativeBacktrace,
|
|
is_java_process ? 5 : 20, fd);
|
|
|
|
if (ret == -1) {
|
|
dprintf(fd, "dumping failed, likely due to a timeout\n");
|
|
timeout_failures++;
|
|
continue;
|
|
}
|
|
|
|
// We've successfully dumped stack traces, reset the failure count
|
|
// and write a summary of the elapsed time to the file and continue with the
|
|
// next process.
|
|
timeout_failures = 0;
|
|
|
|
dprintf(fd, "[dump %s stack %d: %.3fs elapsed]\n", is_java_process ? "dalvik" : "native",
|
|
pid, (float)(Nanotime() - start) / NANOS_PER_SEC);
|
|
}
|
|
|
|
if (!dalvik_found) {
|
|
MYLOGE("Warning: no Dalvik processes found to dump stacks\n");
|
|
}
|
|
|
|
return file_name_buf.release();
|
|
}
|
|
|
|
const char* DumpTraces(const std::string& traces_path) {
|
|
const char* result = NULL;
|
|
/* move the old traces.txt (if any) out of the way temporarily */
|
|
std::string anrtraces_path = traces_path + ".anr";
|
|
if (rename(traces_path.c_str(), anrtraces_path.c_str()) && errno != ENOENT) {
|
|
MYLOGE("rename(%s, %s): %s\n", traces_path.c_str(), anrtraces_path.c_str(), strerror(errno));
|
|
return nullptr; // Can't rename old traces.txt -- no permission? -- leave it alone instead
|
|
}
|
|
|
|
/* create a new, empty traces.txt file to receive stack dumps */
|
|
int fd = TEMP_FAILURE_RETRY(
|
|
open(traces_path.c_str(), O_CREAT | O_WRONLY | O_APPEND | O_TRUNC | O_NOFOLLOW | O_CLOEXEC,
|
|
0666)); /* -rw-rw-rw- */
|
|
if (fd < 0) {
|
|
MYLOGE("%s: %s\n", traces_path.c_str(), strerror(errno));
|
|
return nullptr;
|
|
}
|
|
int chmod_ret = fchmod(fd, 0666);
|
|
if (chmod_ret < 0) {
|
|
MYLOGE("fchmod on %s failed: %s\n", traces_path.c_str(), strerror(errno));
|
|
close(fd);
|
|
return nullptr;
|
|
}
|
|
|
|
/* Variables below must be initialized before 'goto' statements */
|
|
int dalvik_found = 0;
|
|
int ifd, wfd = -1;
|
|
std::set<int> hal_pids = get_interesting_hal_pids();
|
|
|
|
/* walk /proc and kill -QUIT all Dalvik processes */
|
|
DIR *proc = opendir("/proc");
|
|
if (proc == NULL) {
|
|
MYLOGE("/proc: %s\n", strerror(errno));
|
|
goto error_close_fd;
|
|
}
|
|
|
|
/* use inotify to find when processes are done dumping */
|
|
ifd = inotify_init();
|
|
if (ifd < 0) {
|
|
MYLOGE("inotify_init: %s\n", strerror(errno));
|
|
goto error_close_fd;
|
|
}
|
|
|
|
wfd = inotify_add_watch(ifd, traces_path.c_str(), IN_CLOSE_WRITE);
|
|
if (wfd < 0) {
|
|
MYLOGE("inotify_add_watch(%s): %s\n", traces_path.c_str(), strerror(errno));
|
|
goto error_close_ifd;
|
|
}
|
|
|
|
struct dirent *d;
|
|
while ((d = readdir(proc))) {
|
|
int pid = atoi(d->d_name);
|
|
if (pid <= 0) continue;
|
|
|
|
char path[PATH_MAX];
|
|
char data[PATH_MAX];
|
|
snprintf(path, sizeof(path), "/proc/%d/exe", pid);
|
|
ssize_t len = readlink(path, data, sizeof(data) - 1);
|
|
if (len <= 0) {
|
|
continue;
|
|
}
|
|
data[len] = '\0';
|
|
|
|
if (!strncmp(data, "/system/bin/app_process", strlen("/system/bin/app_process"))) {
|
|
/* skip zygote -- it won't dump its stack anyway */
|
|
snprintf(path, sizeof(path), "/proc/%d/cmdline", pid);
|
|
int cfd = TEMP_FAILURE_RETRY(open(path, O_RDONLY | O_CLOEXEC));
|
|
len = read(cfd, data, sizeof(data) - 1);
|
|
close(cfd);
|
|
if (len <= 0) {
|
|
continue;
|
|
}
|
|
data[len] = '\0';
|
|
if (!strncmp(data, "zygote", strlen("zygote"))) {
|
|
continue;
|
|
}
|
|
|
|
++dalvik_found;
|
|
uint64_t start = Nanotime();
|
|
if (kill(pid, SIGQUIT)) {
|
|
MYLOGE("kill(%d, SIGQUIT): %s\n", pid, strerror(errno));
|
|
continue;
|
|
}
|
|
|
|
/* wait for the writable-close notification from inotify */
|
|
struct pollfd pfd = { ifd, POLLIN, 0 };
|
|
int ret = poll(&pfd, 1, TRACE_DUMP_TIMEOUT_MS);
|
|
if (ret < 0) {
|
|
MYLOGE("poll: %s\n", strerror(errno));
|
|
} else if (ret == 0) {
|
|
MYLOGE("warning: timed out dumping pid %d\n", pid);
|
|
} else {
|
|
struct inotify_event ie;
|
|
read(ifd, &ie, sizeof(ie));
|
|
}
|
|
|
|
if (lseek(fd, 0, SEEK_END) < 0) {
|
|
MYLOGE("lseek: %s\n", strerror(errno));
|
|
} else {
|
|
dprintf(fd, "[dump dalvik stack %d: %.3fs elapsed]\n", pid,
|
|
(float)(Nanotime() - start) / NANOS_PER_SEC);
|
|
}
|
|
} else if (should_dump_native_traces(data) ||
|
|
hal_pids.find(pid) != hal_pids.end()) {
|
|
/* dump native process if appropriate */
|
|
if (lseek(fd, 0, SEEK_END) < 0) {
|
|
MYLOGE("lseek: %s\n", strerror(errno));
|
|
} else {
|
|
static uint16_t timeout_failures = 0;
|
|
uint64_t start = Nanotime();
|
|
|
|
/* If 3 backtrace dumps fail in a row, consider debuggerd dead. */
|
|
if (timeout_failures == 3) {
|
|
dprintf(fd, "too many stack dump failures, skipping...\n");
|
|
} else if (dump_backtrace_to_file_timeout(
|
|
pid, kDebuggerdNativeBacktrace, 20, fd) == -1) {
|
|
dprintf(fd, "dumping failed, likely due to a timeout\n");
|
|
timeout_failures++;
|
|
} else {
|
|
timeout_failures = 0;
|
|
}
|
|
dprintf(fd, "[dump native stack %d: %.3fs elapsed]\n", pid,
|
|
(float)(Nanotime() - start) / NANOS_PER_SEC);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (dalvik_found == 0) {
|
|
MYLOGE("Warning: no Dalvik processes found to dump stacks\n");
|
|
}
|
|
|
|
static std::string dumptraces_path = android::base::StringPrintf(
|
|
"%s/bugreport-%s", dirname(traces_path.c_str()), basename(traces_path.c_str()));
|
|
if (rename(traces_path.c_str(), dumptraces_path.c_str())) {
|
|
MYLOGE("rename(%s, %s): %s\n", traces_path.c_str(), dumptraces_path.c_str(),
|
|
strerror(errno));
|
|
goto error_close_ifd;
|
|
}
|
|
result = dumptraces_path.c_str();
|
|
|
|
/* replace the saved [ANR] traces.txt file */
|
|
rename(anrtraces_path.c_str(), traces_path.c_str());
|
|
|
|
error_close_ifd:
|
|
close(ifd);
|
|
error_close_fd:
|
|
close(fd);
|
|
return result;
|
|
}
|
|
|
|
void dump_route_tables() {
|
|
DurationReporter duration_reporter("DUMP ROUTE TABLES");
|
|
if (PropertiesHelper::IsDryRun()) return;
|
|
const char* const RT_TABLES_PATH = "/data/misc/net/rt_tables";
|
|
ds.DumpFile("RT_TABLES", RT_TABLES_PATH);
|
|
FILE* fp = fopen(RT_TABLES_PATH, "re");
|
|
if (!fp) {
|
|
printf("*** %s: %s\n", RT_TABLES_PATH, strerror(errno));
|
|
return;
|
|
}
|
|
char table[16];
|
|
// Each line has an integer (the table number), a space, and a string (the table name). We only
|
|
// need the table number. It's a 32-bit unsigned number, so max 10 chars. Skip the table name.
|
|
// Add a fixed max limit so this doesn't go awry.
|
|
for (int i = 0; i < 64 && fscanf(fp, " %10s %*s", table) == 1; ++i) {
|
|
RunCommand("ROUTE TABLE IPv4", {"ip", "-4", "route", "show", "table", table});
|
|
RunCommand("ROUTE TABLE IPv6", {"ip", "-6", "route", "show", "table", table});
|
|
}
|
|
fclose(fp);
|
|
}
|
|
|
|
// TODO: make this function thread safe if sections are generated in parallel.
|
|
void Dumpstate::UpdateProgress(int32_t delta) {
|
|
if (progress_ == nullptr) {
|
|
MYLOGE("UpdateProgress: progress_ not set\n");
|
|
return;
|
|
}
|
|
|
|
// Always update progess so stats can be tuned...
|
|
bool max_changed = progress_->Inc(delta);
|
|
|
|
// ...but only notifiy listeners when necessary.
|
|
if (!update_progress_) return;
|
|
|
|
int progress = progress_->Get();
|
|
int max = progress_->GetMax();
|
|
|
|
// adjusts max on the fly
|
|
if (max_changed && listener_ != nullptr) {
|
|
listener_->onMaxProgressUpdated(max);
|
|
}
|
|
|
|
int32_t last_update_delta = progress - last_updated_progress_;
|
|
if (last_updated_progress_ > 0 && last_update_delta < update_progress_threshold_) {
|
|
return;
|
|
}
|
|
last_updated_progress_ = progress;
|
|
|
|
if (control_socket_fd_ >= 0) {
|
|
dprintf(control_socket_fd_, "PROGRESS:%d/%d\n", progress, max);
|
|
fsync(control_socket_fd_);
|
|
}
|
|
|
|
if (listener_ != nullptr) {
|
|
if (progress % 100 == 0) {
|
|
// We don't want to spam logcat, so only log multiples of 100.
|
|
MYLOGD("Setting progress (%s): %d/%d\n", listener_name_.c_str(), progress, max);
|
|
} else {
|
|
// stderr is ignored on normal invocations, but useful when calling
|
|
// /system/bin/dumpstate directly for debuggging.
|
|
fprintf(stderr, "Setting progress (%s): %d/%d\n", listener_name_.c_str(), progress, max);
|
|
}
|
|
listener_->onProgressUpdated(progress);
|
|
}
|
|
}
|
|
|
|
void Dumpstate::TakeScreenshot(const std::string& path) {
|
|
const std::string& real_path = path.empty() ? screenshot_path_ : path;
|
|
int status =
|
|
RunCommand("", {"/system/bin/screencap", "-p", real_path},
|
|
CommandOptions::WithTimeout(10).Always().DropRoot().RedirectStderr().Build());
|
|
if (status == 0) {
|
|
MYLOGD("Screenshot saved on %s\n", real_path.c_str());
|
|
} else {
|
|
MYLOGE("Failed to take screenshot on %s\n", real_path.c_str());
|
|
}
|
|
}
|
|
|
|
bool is_dir(const char* pathname) {
|
|
struct stat info;
|
|
if (stat(pathname, &info) == -1) {
|
|
return false;
|
|
}
|
|
return S_ISDIR(info.st_mode);
|
|
}
|
|
|
|
time_t get_mtime(int fd, time_t default_mtime) {
|
|
struct stat info;
|
|
if (fstat(fd, &info) == -1) {
|
|
return default_mtime;
|
|
}
|
|
return info.st_mtime;
|
|
}
|
|
|
|
void dump_emmc_ecsd(const char *ext_csd_path) {
|
|
// List of interesting offsets
|
|
struct hex {
|
|
char str[2];
|
|
};
|
|
static const size_t EXT_CSD_REV = 192 * sizeof(hex);
|
|
static const size_t EXT_PRE_EOL_INFO = 267 * sizeof(hex);
|
|
static const size_t EXT_DEVICE_LIFE_TIME_EST_TYP_A = 268 * sizeof(hex);
|
|
static const size_t EXT_DEVICE_LIFE_TIME_EST_TYP_B = 269 * sizeof(hex);
|
|
|
|
std::string buffer;
|
|
if (!android::base::ReadFileToString(ext_csd_path, &buffer)) {
|
|
return;
|
|
}
|
|
|
|
printf("------ %s Extended CSD ------\n", ext_csd_path);
|
|
|
|
if (buffer.length() < (EXT_CSD_REV + sizeof(hex))) {
|
|
printf("*** %s: truncated content %zu\n\n", ext_csd_path, buffer.length());
|
|
return;
|
|
}
|
|
|
|
int ext_csd_rev = 0;
|
|
std::string sub = buffer.substr(EXT_CSD_REV, sizeof(hex));
|
|
if (sscanf(sub.c_str(), "%2x", &ext_csd_rev) != 1) {
|
|
printf("*** %s: EXT_CSD_REV parse error \"%s\"\n\n", ext_csd_path, sub.c_str());
|
|
return;
|
|
}
|
|
|
|
static const char *ver_str[] = {
|
|
"4.0", "4.1", "4.2", "4.3", "Obsolete", "4.41", "4.5", "5.0"
|
|
};
|
|
printf("rev 1.%d (MMC %s)\n", ext_csd_rev,
|
|
(ext_csd_rev < (int)(sizeof(ver_str) / sizeof(ver_str[0]))) ? ver_str[ext_csd_rev]
|
|
: "Unknown");
|
|
if (ext_csd_rev < 7) {
|
|
printf("\n");
|
|
return;
|
|
}
|
|
|
|
if (buffer.length() < (EXT_PRE_EOL_INFO + sizeof(hex))) {
|
|
printf("*** %s: truncated content %zu\n\n", ext_csd_path, buffer.length());
|
|
return;
|
|
}
|
|
|
|
int ext_pre_eol_info = 0;
|
|
sub = buffer.substr(EXT_PRE_EOL_INFO, sizeof(hex));
|
|
if (sscanf(sub.c_str(), "%2x", &ext_pre_eol_info) != 1) {
|
|
printf("*** %s: PRE_EOL_INFO parse error \"%s\"\n\n", ext_csd_path, sub.c_str());
|
|
return;
|
|
}
|
|
|
|
static const char *eol_str[] = {
|
|
"Undefined",
|
|
"Normal",
|
|
"Warning (consumed 80% of reserve)",
|
|
"Urgent (consumed 90% of reserve)"
|
|
};
|
|
printf(
|
|
"PRE_EOL_INFO %d (MMC %s)\n", ext_pre_eol_info,
|
|
eol_str[(ext_pre_eol_info < (int)(sizeof(eol_str) / sizeof(eol_str[0]))) ? ext_pre_eol_info
|
|
: 0]);
|
|
|
|
for (size_t lifetime = EXT_DEVICE_LIFE_TIME_EST_TYP_A;
|
|
lifetime <= EXT_DEVICE_LIFE_TIME_EST_TYP_B;
|
|
lifetime += sizeof(hex)) {
|
|
int ext_device_life_time_est;
|
|
static const char *est_str[] = {
|
|
"Undefined",
|
|
"0-10% of device lifetime used",
|
|
"10-20% of device lifetime used",
|
|
"20-30% of device lifetime used",
|
|
"30-40% of device lifetime used",
|
|
"40-50% of device lifetime used",
|
|
"50-60% of device lifetime used",
|
|
"60-70% of device lifetime used",
|
|
"70-80% of device lifetime used",
|
|
"80-90% of device lifetime used",
|
|
"90-100% of device lifetime used",
|
|
"Exceeded the maximum estimated device lifetime",
|
|
};
|
|
|
|
if (buffer.length() < (lifetime + sizeof(hex))) {
|
|
printf("*** %s: truncated content %zu\n", ext_csd_path, buffer.length());
|
|
break;
|
|
}
|
|
|
|
ext_device_life_time_est = 0;
|
|
sub = buffer.substr(lifetime, sizeof(hex));
|
|
if (sscanf(sub.c_str(), "%2x", &ext_device_life_time_est) != 1) {
|
|
printf("*** %s: DEVICE_LIFE_TIME_EST_TYP_%c parse error \"%s\"\n", ext_csd_path,
|
|
(unsigned)((lifetime - EXT_DEVICE_LIFE_TIME_EST_TYP_A) / sizeof(hex)) + 'A',
|
|
sub.c_str());
|
|
continue;
|
|
}
|
|
printf("DEVICE_LIFE_TIME_EST_TYP_%c %d (MMC %s)\n",
|
|
(unsigned)((lifetime - EXT_DEVICE_LIFE_TIME_EST_TYP_A) / sizeof(hex)) + 'A',
|
|
ext_device_life_time_est,
|
|
est_str[(ext_device_life_time_est < (int)(sizeof(est_str) / sizeof(est_str[0])))
|
|
? ext_device_life_time_est
|
|
: 0]);
|
|
}
|
|
|
|
printf("\n");
|
|
}
|