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      1 /*
      2  * Copyright 2016 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 #define LOG_TAG "dumpstate"
     18 
     19 #include "DumpstateDevice.h"
     20 
     21 #include <android-base/properties.h>
     22 #include <android-base/unique_fd.h>
     23 #include <cutils/properties.h>
     24 #include <hidl/HidlBinderSupport.h>
     25 
     26 #include <log/log.h>
     27 #include <string.h>
     28 
     29 #define _SVID_SOURCE
     30 #include <dirent.h>
     31 
     32 #include "DumpstateUtil.h"
     33 
     34 #define MODEM_LOG_PREFIX_PROPERTY "ro.radio.log_prefix"
     35 #define MODEM_LOG_LOC_PROPERTY "ro.radio.log_loc"
     36 #define MODEM_LOGGING_SWITCH "persist.radio.smlog_switch"
     37 
     38 #define DIAG_MDLOG_PERSIST_PROPERTY "persist.sys.modem.diag.mdlog"
     39 #define DIAG_MDLOG_PROPERTY "sys.modem.diag.mdlog"
     40 #define DIAG_MDLOG_STATUS_PROPERTY "sys.modem.diag.mdlog_on"
     41 
     42 #define DIAG_MDLOG_NUMBER_BUGREPORT "persist.sys.modem.diag.mdlog_br_num"
     43 
     44 using android::os::dumpstate::CommandOptions;
     45 using android::os::dumpstate::DumpFileToFd;
     46 using android::os::dumpstate::PropertiesHelper;
     47 using android::os::dumpstate::RunCommandToFd;
     48 
     49 namespace android {
     50 namespace hardware {
     51 namespace dumpstate {
     52 namespace V1_0 {
     53 namespace implementation {
     54 
     55 #define DIAG_LOG_PREFIX "diag_log_"
     56 
     57 void DumpstateDevice::dumpDiagLogs(int fd, std::string srcDir, std::string destDir) {
     58     struct dirent **dirent_list = NULL;
     59     int num_entries = scandir(srcDir.c_str(),
     60                               &dirent_list,
     61                               0,
     62                               (int (*)(const struct dirent **, const struct dirent **)) alphasort);
     63     if (!dirent_list) {
     64         return;
     65     } else if (num_entries <= 0) {
     66         return;
     67     }
     68 
     69     int maxFileNum = android::base::GetIntProperty(DIAG_MDLOG_NUMBER_BUGREPORT, 100);
     70     int copiedFiles = 0;
     71 
     72     for (int i = num_entries - 1; i >= 0; i--) {
     73         ALOGD("Found %s\n", dirent_list[i]->d_name);
     74 
     75         if (0 != strncmp(dirent_list[i]->d_name, DIAG_LOG_PREFIX, strlen(DIAG_LOG_PREFIX))) {
     76             continue;
     77         }
     78 
     79         if ((copiedFiles >= maxFileNum) && (maxFileNum != -1)) {
     80             ALOGD("Skipped %s\n", dirent_list[i]->d_name);
     81             continue;
     82         }
     83 
     84         copiedFiles++;
     85 
     86         CommandOptions options = CommandOptions::WithTimeout(120).Build();
     87         std::string srcLogFile = srcDir + "/" + dirent_list[i]->d_name;
     88         std::string destLogFile = destDir + "/" + dirent_list[i]->d_name;
     89 
     90         std::string copyCmd= "/vendor/bin/cp " + srcLogFile + " " + destLogFile;
     91 
     92         ALOGD("Copying %s to %s\n", srcLogFile.c_str(), destLogFile.c_str());
     93         RunCommandToFd(fd, "CP DIAG LOGS", { "/vendor/bin/sh", "-c", copyCmd.c_str() }, options);
     94     }
     95 
     96     while (num_entries--) {
     97         free(dirent_list[num_entries]);
     98     }
     99 
    100     free(dirent_list);
    101 }
    102 
    103 void DumpstateDevice::dumpModem(int fd, int fdModem)
    104 {
    105     std::string modemLogDir = android::base::GetProperty(MODEM_LOG_LOC_PROPERTY, "");
    106     if (modemLogDir.empty()) {
    107         ALOGD("No modem log place is set\n");
    108         return;
    109     }
    110 
    111     if (!PropertiesHelper::IsUserBuild()) {
    112 
    113         CommandOptions options = CommandOptions::WithTimeout(120).Build();
    114 
    115         RunCommandToFd(fd, "MODEM DIAG SYSTEM PROPERTIES",
    116                        { "/vendor/bin/sh", "-c", "getprop", "|", "grep", "sys.modem.diag" }, options);
    117 
    118         std::string modemLogAllDir = modemLogDir + "/modem_log";
    119         std::string diagLogDir = "/data/vendor/radio/diag_logs/logs";
    120         std::vector<std::string> rilAndNetmgrLogs
    121             {
    122               "/data/vendor/radio/ril_log",
    123               "/data/vendor/radio/ril_log_old",
    124               "/data/vendor/netmgr/netmgr_log",
    125               "/data/vendor/netmgr/netmgr_log_old",
    126               "/data/vendor/radio/power_anomaly_data.txt",
    127               "/data/vendor/radio/diag_logs/diag_trace.txt",
    128               "/data/vendor/radio/diag_logs/diag_trace_old.txt",
    129             };
    130 
    131         std::string modemLogMkDirCmd= "/vendor/bin/mkdir -p " + modemLogAllDir;
    132         RunCommandToFd(fd, "MKDIR MODEM LOG", { "/vendor/bin/sh", "-c", modemLogMkDirCmd.c_str()}, options);
    133 
    134         bool smlogEnabled = android::base::GetBoolProperty(MODEM_LOGGING_SWITCH, false) &&
    135             !access("/vendor/bin/smlog_dump", X_OK);
    136 
    137         bool diagLogEnabled = android::base::GetBoolProperty(DIAG_MDLOG_PERSIST_PROPERTY, false);
    138 
    139         if (smlogEnabled) {
    140             RunCommandToFd(fd, "SMLOG DUMP", { "smlog_dump", "-d", "-o", modemLogAllDir.c_str() }, options);
    141         } else if (diagLogEnabled) {
    142             bool diagLogStarted = android::base::GetBoolProperty(DIAG_MDLOG_STATUS_PROPERTY, false);
    143 
    144             if (diagLogStarted) {
    145                 android::base::SetProperty(DIAG_MDLOG_PROPERTY, "false");
    146                 ALOGD("Stopping diag_mdlog...\n");
    147             } else {
    148                 ALOGD("diag_mdlog is not running\n");
    149             }
    150 
    151             for (int i = 0; i < 30; i++) {
    152                 if (!android::base::GetBoolProperty(DIAG_MDLOG_STATUS_PROPERTY, false)) {
    153                     ALOGD("diag_mdlog exited\n");
    154                     sleep(1);
    155                     break;
    156                 }
    157 
    158                 sleep(1);
    159             }
    160 
    161             dumpDiagLogs(fd, diagLogDir, modemLogAllDir);
    162 
    163             if (diagLogStarted) {
    164                 ALOGD("Restarting diag_mdlog...\n");
    165                 android::base::SetProperty(DIAG_MDLOG_PROPERTY, "true");
    166             }
    167         }
    168 
    169         for (const auto& logFile : rilAndNetmgrLogs)
    170         {
    171             std::string copyCmd= "/vendor/bin/cp " + logFile + " " + modemLogAllDir;
    172             RunCommandToFd(fd, "CP MODEM LOG", { "/vendor/bin/sh", "-c", copyCmd.c_str() }, options);
    173         }
    174 
    175         std::string filePrefix = android::base::GetProperty(MODEM_LOG_PREFIX_PROPERTY, "");
    176 
    177         if (!filePrefix.empty()) {
    178             std::string modemLogCombined = modemLogDir + "/" + filePrefix + "all.tar";
    179             std::string modemLogTarCmd= "/vendor/bin/tar cvf " + modemLogCombined + " -C " + modemLogAllDir + " .";
    180             RunCommandToFd(fd, "TAR LOG", { "/vendor/bin/sh", "-c", modemLogTarCmd.c_str()}, options);
    181 
    182             std::string modemLogPermCmd= "/vendor/bin/chmod a+rw " + modemLogCombined;
    183             RunCommandToFd(fd, "CHG PERM", { "/vendor/bin/sh", "-c", modemLogPermCmd.c_str()}, options);
    184 
    185             std::vector<uint8_t> buffer(65536);
    186             android::base::unique_fd fdLog(TEMP_FAILURE_RETRY(open(modemLogCombined.c_str(), O_RDONLY | O_CLOEXEC | O_NONBLOCK)));
    187 
    188             if (fdLog >= 0) {
    189                 while (1) {
    190                     ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fdLog, buffer.data(), buffer.size()));
    191 
    192                     if (bytes_read == 0) {
    193                         break;
    194                     } else if (bytes_read < 0) {
    195                         ALOGD("read(%s): %s\n", modemLogCombined.c_str(), strerror(errno));
    196                         break;
    197                     }
    198 
    199                     ssize_t result = TEMP_FAILURE_RETRY(write(fdModem, buffer.data(), bytes_read));
    200 
    201                     if (result != bytes_read) {
    202                         ALOGD("Failed to write %ld bytes, actually written: %ld", bytes_read, result);
    203                         break;
    204                     }
    205                 }
    206             }
    207 
    208             std::string modemLogClearCmd= "/vendor/bin/rm -r " + modemLogAllDir;
    209             RunCommandToFd(fd, "RM MODEM DIR", { "/vendor/bin/sh", "-c", modemLogClearCmd.c_str()}, options);
    210             RunCommandToFd(fd, "RM LOG", { "/vendor/bin/rm", modemLogCombined.c_str()}, options);
    211         }
    212     }
    213 }
    214 
    215 static void DumpTouch(int fd) {
    216     if (!access("/sys/android_touch", R_OK)) {
    217         DumpFileToFd(fd, "Synaptics touch firmware version",
    218                      "/sys/android_touch/vendor");
    219         DumpFileToFd(fd, "Synaptics touch firmware config",
    220                      "/sys/android_touch/config");
    221     }
    222     if (!access("/sys/class/input/ftm4_touch", R_OK)) {
    223         DumpFileToFd(fd, "STM touch firmware config",
    224                      "/sys/class/input/ftm4_touch/version");
    225         DumpFileToFd(fd, "STM touch VR Mode",
    226                      "/sys/class/input/ftm4_touch/vrmode");
    227     }
    228 }
    229 
    230 // Methods from ::android::hardware::dumpstate::V1_0::IDumpstateDevice follow.
    231 Return<void> DumpstateDevice::dumpstateBoard(const hidl_handle& handle) {
    232     // Exit when dump is completed since this is a lazy HAL.
    233     addPostCommandTask([]() {
    234         exit(0);
    235     });
    236 
    237     if (handle == nullptr || handle->numFds < 1) {
    238         ALOGE("no FDs\n");
    239         return Void();
    240     }
    241 
    242     int fd = handle->data[0];
    243     if (fd < 0) {
    244         ALOGE("invalid FD: %d\n", handle->data[0]);
    245         return Void();
    246     }
    247 
    248     if (handle->numFds < 2) {
    249         ALOGE("no FD for modem\n");
    250     }
    251     else {
    252         int fdModem = handle->data[1];
    253         dumpModem(fd, fdModem);
    254     }
    255     RunCommandToFd(fd, "VENDOR PROPERTIES", {"/vendor/bin/getprop"});
    256     DumpFileToFd(fd, "SoC serial number", "/sys/devices/soc0/serial_number");
    257     DumpFileToFd(fd, "CPU present", "/sys/devices/system/cpu/present");
    258     DumpFileToFd(fd, "CPU online", "/sys/devices/system/cpu/online");
    259     DumpFileToFd(fd, "UFS model", "/sys/block/sda/device/model");
    260     DumpFileToFd(fd, "UFS rev", "/sys/block/sda/device/rev");
    261     DumpFileToFd(fd, "UFS size", "/sys/block/sda/size");
    262     RunCommandToFd(fd, "UFS health", {"/vendor/bin/sh", "-c", "for f in $(find /sys/kernel/debug/ufshcd0 -type f); do if [[ -r $f && -f $f ]]; then echo --- $f; cat $f; fi; done"});
    263     DumpFileToFd(fd, "INTERRUPTS", "/proc/interrupts");
    264     DumpFileToFd(fd, "RPM Stats", "/d/rpm_stats");
    265     DumpFileToFd(fd, "Power Management Stats", "/d/rpm_master_stats");
    266     DumpFileToFd(fd, "WLAN Power Stats", "/d/wlan0/power_stats");
    267     DumpFileToFd(fd, "LL-Stats", "/d/wlan0/ll_stats");
    268     DumpFileToFd(fd, "ICNSS Stats", "/d/icnss/stats");
    269     DumpFileToFd(fd, "SMD Log", "/d/ipc_logging/smd/log");
    270     RunCommandToFd(fd, "ION HEAPS", {"/vendor/bin/sh", "-c", "for d in $(ls -d /d/ion/*); do for f in $(ls $d); do echo --- $d/$f; cat $d/$f; done; done"});
    271     DumpFileToFd(fd, "dmabuf info", "/d/dma_buf/bufinfo");
    272     RunCommandToFd(fd, "Easel debug info", {"/vendor/bin/sh", "-c", "for f in `ls /sys/bus/i2c/devices/9-0008/@(*curr|temperature|vbat|total_power)`; do echo \"$f: `cat $f`\" ; done; file=/sys/devices/virtual/misc/mnh_sm/state; echo \"$file: `cat $file`\""});
    273     RunCommandToFd(fd, "Temperatures", {"/vendor/bin/sh", "-c", "for f in /sys/class/thermal/thermal* ; do type=`cat $f/type` ; temp=`cat $f/temp` ; echo \"$type: $temp\" ; done"});
    274     RunCommandToFd(fd, "Cooling Device Current State", {"/vendor/bin/sh", "-c", "for f in /sys/class/thermal/cooling* ; do type=`cat $f/type` ; temp=`cat $f/cur_state` ; echo \"$type: $temp\" ; done"});
    275     RunCommandToFd(fd, "CPU time-in-state", {"/vendor/bin/sh", "-c", "for cpu in /sys/devices/system/cpu/cpu*; do f=$cpu/cpufreq/stats/time_in_state; if [ ! -f $f ]; then continue; fi; echo $f:; cat $f; done"});
    276     RunCommandToFd(fd, "CPU cpuidle", {"/vendor/bin/sh", "-c", "for cpu in /sys/devices/system/cpu/cpu*; do for d in $cpu/cpuidle/state*; do if [ ! -d $d ]; then continue; fi; echo \"$d: `cat $d/name` `cat $d/desc` `cat $d/time` `cat $d/usage`\"; done; done"});
    277     DumpFileToFd(fd, "MDP xlogs", "/data/vendor/display/mdp_xlog");
    278     DumpFileToFd(fd, "TCPM logs", "/d/tcpm/usbpd0");
    279     DumpFileToFd(fd, "PD Engine", "/d/pd_engine/usbpd0");
    280     DumpFileToFd(fd, "smblib-usb logs", "/d/ipc_logging/smblib/log");
    281     DumpFileToFd(fd, "ipc-local-ports", "/d/msm_ipc_router/dump_local_ports");
    282     DumpFileToFd(fd, "ipc-servers", "/d/msm_ipc_router/dump_servers");
    283     RunCommandToFd(fd, "ipc-logs",
    284                    {"/vendor/bin/sh", "-c",
    285                     "for f in `ls /d/ipc_logging/*_IPCRTR/log` ; do echo \"------ $f\\n`cat "
    286                     "$f`\\n\" ; done"});
    287     DumpTouch(fd);
    288     RunCommandToFd(fd, "USB Device Descriptors", {"/vendor/bin/sh", "-c", "cd /sys/bus/usb/devices/1-1 && cat product && cat bcdDevice; cat descriptors | od -t x1 -w16 -N96"});
    289     DumpFileToFd(fd, "Pixel trace", "/d/tracing/instances/pixel-trace/trace");
    290 
    291     // Timeout after 3s
    292     RunCommandToFd(fd, "QSEE logs", {"/vendor/bin/sh", "-c", "/vendor/bin/timeout 3 cat /d/tzdbg/qsee_log"});
    293     RunCommandToFd(fd, "Power supply properties", {"/vendor/bin/sh", "-c", "for f in /sys/class/power_supply/*/uevent ; do echo \"\n------ $f\" ; cat $f ; done"});
    294     DumpFileToFd(fd, "Battery cycle count", "/sys/class/power_supply/bms/device/cycle_counts_bins");
    295     RunCommandToFd(fd, "QCOM FG SRAM", {"/vendor/bin/sh", "-c", "echo 0 > /d/fg/sram/address ; echo 500 > /d/fg/sram/count ; cat /d/fg/sram/data"});
    296 
    297     DumpFileToFd(fd, "WLAN FW Log Symbol Table", "/vendor/firmware/Data.msc");
    298 
    299     return Void();
    300 };
    301 
    302 }  // namespace implementation
    303 }  // namespace V1_0
    304 }  // namespace dumpstate
    305 }  // namespace hardware
    306 }  // namespace android
    307