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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 <log/log.h>
     25 #include <string.h>
     26 
     27 #define _SVID_SOURCE
     28 #include <dirent.h>
     29 
     30 #include "DumpstateUtil.h"
     31 
     32 #define MODEM_LOG_PREFIX_PROPERTY "ro.radio.log_prefix"
     33 #define MODEM_LOG_LOC_PROPERTY "ro.radio.log_loc"
     34 #define MODEM_LOGGING_SWITCH "persist.radio.smlog_switch"
     35 
     36 #define DIAG_MDLOG_PERSIST_PROPERTY "persist.vendor.sys.modem.diag.mdlog"
     37 #define DIAG_MDLOG_PROPERTY "vendor.sys.modem.diag.mdlog"
     38 #define DIAG_MDLOG_STATUS_PROPERTY "vendor.sys.modem.diag.mdlog_on"
     39 
     40 #define DIAG_MDLOG_NUMBER_BUGREPORT "persist.vendor.sys.modem.diag.mdlog_br_num"
     41 
     42 #define EMMC_BOOTDEVICE "ro.boot.bootdevice"
     43 
     44 #define TCPDUMP_NUMBER_BUGREPORT "persist.vendor.tcpdump.log.br_num"
     45 #define TCPDUMP_PERSIST_PROPERTY "persist.vendor.tcpdump.log.alwayson"
     46 
     47 #define MODEM_EFS_DUMP_PROPERTY "vendor.sys.modem.diag.efsdump"
     48 
     49 using android::os::dumpstate::CommandOptions;
     50 using android::os::dumpstate::DumpFileToFd;
     51 using android::os::dumpstate::PropertiesHelper;
     52 using android::os::dumpstate::RunCommandToFd;
     53 
     54 namespace android {
     55 namespace hardware {
     56 namespace dumpstate {
     57 namespace V1_0 {
     58 namespace implementation {
     59 
     60 #define DIAG_LOG_PREFIX "diag_log_"
     61 #define TCPDUMP_LOG_PREFIX "tcpdump"
     62 #define EXTENDED_LOG_PREFIX "extended_log_"
     63 
     64 void DumpstateDevice::dumpLogs(int fd, std::string srcDir, std::string destDir,
     65                                int maxFileNum, const char *logPrefix) {
     66     struct dirent **dirent_list = NULL;
     67     int num_entries = scandir(srcDir.c_str(),
     68                               &dirent_list,
     69                               0,
     70                               (int (*)(const struct dirent **, const struct dirent **)) alphasort);
     71     if (!dirent_list) {
     72         return;
     73     } else if (num_entries <= 0) {
     74         return;
     75     }
     76 
     77     int copiedFiles = 0;
     78 
     79     for (int i = num_entries - 1; i >= 0; i--) {
     80         ALOGD("Found %s\n", dirent_list[i]->d_name);
     81 
     82         if (0 != strncmp(dirent_list[i]->d_name, logPrefix, strlen(logPrefix))) {
     83             continue;
     84         }
     85 
     86         if ((copiedFiles >= maxFileNum) && (maxFileNum != -1)) {
     87             ALOGD("Skipped %s\n", dirent_list[i]->d_name);
     88             continue;
     89         }
     90 
     91         copiedFiles++;
     92 
     93         CommandOptions options = CommandOptions::WithTimeout(120).Build();
     94         std::string srcLogFile = srcDir + "/" + dirent_list[i]->d_name;
     95         std::string destLogFile = destDir + "/" + dirent_list[i]->d_name;
     96 
     97         std::string copyCmd = "/vendor/bin/cp " + srcLogFile + " " + destLogFile;
     98 
     99         ALOGD("Copying %s to %s\n", srcLogFile.c_str(), destLogFile.c_str());
    100         RunCommandToFd(fd, "CP DIAG LOGS", { "/vendor/bin/sh", "-c", copyCmd.c_str() }, options);
    101     }
    102 
    103     while (num_entries--) {
    104         free(dirent_list[num_entries]);
    105     }
    106 
    107     free(dirent_list);
    108 }
    109 
    110 void DumpstateDevice::dumpModem(int fd, int fdModem)
    111 {
    112     std::string modemLogDir = android::base::GetProperty(MODEM_LOG_LOC_PROPERTY, "");
    113     if (modemLogDir.empty()) {
    114         ALOGD("No modem log place is set\n");
    115         return;
    116     }
    117 
    118     std::string filePrefix = android::base::GetProperty(MODEM_LOG_PREFIX_PROPERTY, "");
    119 
    120     if (filePrefix.empty()) {
    121         ALOGD("Modem log prefix is not set\n");
    122         return;
    123     }
    124 
    125     const std::string modemLogCombined = modemLogDir + "/" + filePrefix + "all.tar";
    126     const std::string modemLogAllDir = modemLogDir + "/modem_log";
    127 
    128     RunCommandToFd(fd, "MKDIR MODEM LOG", {"/vendor/bin/mkdir", "-p", modemLogAllDir.c_str()}, CommandOptions::WithTimeout(2).Build());
    129 
    130     if (!PropertiesHelper::IsUserBuild()) {
    131         RunCommandToFd(fd, "MODEM RFS INFO", {"/vendor/bin/find /data/vendor/rfs/mpss/OEMFI/"}, CommandOptions::WithTimeout(2).Build());
    132         RunCommandToFd(fd, "MODEM DIAG SYSTEM PROPERTIES", {"/vendor/bin/getprop | grep vendor.sys.modem.diag"}, CommandOptions::WithTimeout(2).Build());
    133 
    134         android::base::SetProperty(MODEM_EFS_DUMP_PROPERTY, "true");
    135 
    136         const std::string diagLogDir = "/data/vendor/radio/diag_logs/logs";
    137         const std::string tcpdumpLogDir = "/data/vendor/tcpdump_logger/logs";
    138         const std::string extendedLogDir = "/data/vendor/radio/extended_logs";
    139         const std::vector <std::string> rilAndNetmgrLogs
    140             {
    141               "/data/vendor/radio/ril_log0",
    142               "/data/vendor/radio/ril_log0_old",
    143               "/data/vendor/radio/ril_log1",
    144               "/data/vendor/radio/ril_log1_old",
    145               "/data/vendor/radio/qmi_fw_log",
    146               "/data/vendor/radio/qmi_fw_log_old",
    147               "/data/vendor/radio/imsdatadaemon_log",
    148               "/data/vendor/radio/imsdatadaemon_log_old",
    149               "/data/vendor/netmgr/netmgr_log",
    150               "/data/vendor/netmgr/netmgr_log_old",
    151               "/data/vendor/radio/power_anomaly_data.txt",
    152               "/data/vendor/radio/diag_logs/diag_trace.txt",
    153               "/data/vendor/radio/diag_logs/diag_trace_old.txt",
    154               "/data/vendor/radio/diag_logs/logs/diag_poweron_log.qmdl",
    155               "/data/vendor/radio/metrics_data",
    156               "/data/vendor/ssrlog/ssr_log.txt",
    157               "/data/vendor/ssrlog/ssr_log_old.txt",
    158               "/data/vendor/rfs/mpss/modem_efs"
    159             };
    160 
    161         bool smlogEnabled = android::base::GetBoolProperty(MODEM_LOGGING_SWITCH, false) && !access("/vendor/bin/smlog_dump", X_OK);
    162         bool diagLogEnabled = android::base::GetBoolProperty(DIAG_MDLOG_PERSIST_PROPERTY, false);
    163         bool tcpdumpEnabled = android::base::GetBoolProperty(TCPDUMP_PERSIST_PROPERTY, false);
    164 
    165         if (smlogEnabled) {
    166             RunCommandToFd(fd, "SMLOG DUMP", {"smlog_dump", "-d", "-o", modemLogAllDir.c_str()}, CommandOptions::WithTimeout(10).Build());
    167         } else if (diagLogEnabled) {
    168             bool diagLogStarted = android::base::GetBoolProperty(DIAG_MDLOG_STATUS_PROPERTY, false);
    169 
    170             if (diagLogStarted) {
    171                 android::base::SetProperty(DIAG_MDLOG_PROPERTY, "false");
    172                 ALOGD("Stopping diag_mdlog...\n");
    173             } else {
    174                 ALOGD("diag_mdlog is not running\n");
    175             }
    176 
    177             for (int i = 0; i < 30; i++) {
    178                 if (!android::base::GetBoolProperty(DIAG_MDLOG_STATUS_PROPERTY, false)) {
    179                     ALOGD("diag_mdlog exited\n");
    180                     sleep(1);
    181                     break;
    182                 }
    183 
    184                 sleep(1);
    185             }
    186 
    187             dumpLogs(fd, diagLogDir, modemLogAllDir, android::base::GetIntProperty(DIAG_MDLOG_NUMBER_BUGREPORT, 100), DIAG_LOG_PREFIX);
    188 
    189             if (diagLogStarted) {
    190                 ALOGD("Restarting diag_mdlog...\n");
    191                 android::base::SetProperty(DIAG_MDLOG_PROPERTY, "true");
    192             }
    193         }
    194 
    195         if (tcpdumpEnabled) {
    196             dumpLogs(fd, tcpdumpLogDir, modemLogAllDir, android::base::GetIntProperty(TCPDUMP_NUMBER_BUGREPORT, 5), TCPDUMP_LOG_PREFIX);
    197         }
    198 
    199         for (const auto& logFile : rilAndNetmgrLogs) {
    200             RunCommandToFd(fd, "CP MODEM LOG", {"/vendor/bin/cp", logFile.c_str(), modemLogAllDir.c_str()}, CommandOptions::WithTimeout(2).Build());
    201         }
    202 
    203         dumpLogs(fd, extendedLogDir, modemLogAllDir, 100, EXTENDED_LOG_PREFIX);
    204 
    205         android::base::SetProperty(MODEM_EFS_DUMP_PROPERTY, "false");
    206     }
    207 
    208     RunCommandToFd(fd, "TAR LOG", {"/vendor/bin/tar", "cvf", modemLogCombined.c_str(), "-C", modemLogAllDir.c_str(), "."}, CommandOptions::WithTimeout(120).Build());
    209     RunCommandToFd(fd, "CHG PERM", {"/vendor/bin/chmod", "a+w", modemLogCombined.c_str()}, CommandOptions::WithTimeout(2).Build());
    210 
    211             std::vector<uint8_t> buffer(65536);
    212             android::base::unique_fd fdLog(TEMP_FAILURE_RETRY(open(modemLogCombined.c_str(), O_RDONLY | O_CLOEXEC | O_NONBLOCK)));
    213 
    214             if (fdLog >= 0) {
    215                 while (1) {
    216                     ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fdLog, buffer.data(), buffer.size()));
    217 
    218                     if (bytes_read == 0) {
    219                         break;
    220                     } else if (bytes_read < 0) {
    221                         ALOGD("read(%s): %s\n", modemLogCombined.c_str(), strerror(errno));
    222                         break;
    223                     }
    224 
    225                     ssize_t result = TEMP_FAILURE_RETRY(write(fdModem, buffer.data(), bytes_read));
    226 
    227                     if (result != bytes_read) {
    228                         ALOGD("Failed to write %ld bytes, actually written: %ld", bytes_read, result);
    229                         break;
    230                     }
    231                 }
    232             }
    233 
    234     RunCommandToFd(fd, "RM MODEM DIR", { "/vendor/bin/rm", "-r", modemLogAllDir.c_str()}, CommandOptions::WithTimeout(2).Build());
    235     RunCommandToFd(fd, "RM LOG", { "/vendor/bin/rm", modemLogCombined.c_str()}, CommandOptions::WithTimeout(2).Build());
    236 }
    237 
    238 static void DumpIPCTRT(int fd) {
    239     DumpFileToFd(fd, "MPSS IPCRTR Log", "/sys/kernel/debug/ipc_logging/mpss_IPCRTR/log");
    240     DumpFileToFd(fd, "Local IPCRTR Log", "/sys/kernel/debug/ipc_logging/local_IPCRTR/log");
    241 }
    242 
    243 static void DumpTouch(int fd) {
    244     const std::string touch_sysfs_path = "/sys/devices/platform/soc/a84000.i2c/i2c-2/2-0020/input/input2/";
    245     if (!access(touch_sysfs_path.c_str(), R_OK)) {
    246         DumpFileToFd(fd, "Synaptics touch firmware version",
    247                      touch_sysfs_path + "buildid");
    248         DumpFileToFd(fd, "Synaptics touch config version",
    249                      touch_sysfs_path + "config");
    250         RunCommandToFd(fd, "keep touch stay awake",
    251                        {"/vendor/bin/sh", "-c",
    252                         "echo 02 >" + touch_sysfs_path + "suspend"});
    253         DumpFileToFd(fd, "Synaptics touch noise information",
    254                      touch_sysfs_path + "noise_state");
    255         for (int i = 0; i < 5; i++) {
    256             RunCommandToFd(fd, "Touch Cm Raw data",
    257                            {"/vendor/bin/sh", "-c",
    258                             "echo 20 >" + touch_sysfs_path + "read_report"
    259                             " && cat " + touch_sysfs_path + "read_report"});
    260             RunCommandToFd(fd, "Touch Cm Jitter",
    261                            {"/vendor/bin/sh", "-c",
    262                             "echo 02 >" + touch_sysfs_path + "read_report"
    263                             " && cat " + touch_sysfs_path + "read_report"});
    264             RunCommandToFd(fd, "Touch Cs Raw data",
    265                            {"/vendor/bin/sh", "-c",
    266                             "echo 63 >" + touch_sysfs_path + "read_report"
    267                             " && cat " + touch_sysfs_path + "read_report"});
    268             RunCommandToFd(fd, "Touch Cs Jitter",
    269                            {"/vendor/bin/sh", "-c",
    270                             "echo 59 >" + touch_sysfs_path + "read_report"
    271                             " && cat " + touch_sysfs_path + "read_report"});
    272         }
    273         RunCommandToFd(fd, "keep touch stay awake disable",
    274                        {"/vendor/bin/sh", "-c",
    275                         "echo 00 >" + touch_sysfs_path + "suspend"});
    276     }
    277 }
    278 
    279 static void DumpF2FS(int fd) {
    280     DumpFileToFd(fd, "F2FS", "/sys/kernel/debug/f2fs/status");
    281     DumpFileToFd(fd, "F2FS - fragmentation", "/proc/fs/f2fs/dm-6/segment_info");
    282 }
    283 
    284 static void DumpeMMC(int fd) {
    285     DumpFileToFd(fd, "eMMC model", "/sys/block/mmcblk0/device/name");
    286     DumpFileToFd(fd, "eMMC prv", "/sys/block/mmcblk0/device/prv");
    287     DumpFileToFd(fd, "eMMC fwrev", "/sys/block/mmcblk0/device/fwrev");
    288     DumpFileToFd(fd, "eMMC size", "/sys/block/mmcblk0/size");
    289     DumpFileToFd(fd, "eMMC ext_csd", "/sys/kernel/debug/mmc0/mmc0:0001/ext_csd");
    290     DumpFileToFd(fd, "eMMC err_stats", "/sys/kernel/debug/mmc0/err_stats");
    291     DumpFileToFd(fd, "eMMC ring_buffer", "/sys/kernel/debug/mmc0/ring_buffer");
    292     DumpFileToFd(fd, "eMMC host status", "/sys/kernel/debug/mmc0/show_host");
    293     DumpFileToFd(fd, "eMMC io_stats", "/sys/kernel/debug/mmc0/io_stats");
    294     DumpFileToFd(fd, "eMMC req_stats", "/sys/kernel/debug/mmc0/req_stats");
    295 
    296     std::string bootdev = android::base::GetProperty(EMMC_BOOTDEVICE, "");
    297     if (!bootdev.empty()) {
    298         DumpFileToFd(fd, "eMMC pre_eol_info", "/sys/devices/platform/soc/" + bootdev + "/mmc_host/mmc0/mmc0:0001/pre_eol_info");
    299         DumpFileToFd(fd, "eMMC life_time", "/sys/devices/platform/soc/" + bootdev + "/mmc_host/mmc0/mmc0:0001/life_time");
    300         DumpFileToFd(fd, "eMMC Slow IO Read", "/sys/devices/platform/soc/" + bootdev + "/mmc_host/mmc0/slowio_read_cnt");
    301         DumpFileToFd(fd, "eMMC Slow IO Write", "/sys/devices/platform/soc/" + bootdev + "/mmc_host/mmc0/slowio_write_cnt");
    302         DumpFileToFd(fd, "eMMC Slow IO Urgent Read", "/sys/devices/platform/soc/" + bootdev + "/mmc_host/mmc0/slowio_urgent_read_cnt");
    303         DumpFileToFd(fd, "eMMC Slow IO Urgent Write", "/sys/devices/platform/soc/" + bootdev + "/mmc_host/mmc0/slowio_urgent_write_cnt");
    304         DumpFileToFd(fd, "eMMC Slow IO Discard", "/sys/devices/platform/soc/" + bootdev + "/mmc_host/mmc0/slowio_discard_cnt");
    305         DumpFileToFd(fd, "eMMC Slow IO Flush", "/sys/devices/platform/soc/" + bootdev + "/mmc_host/mmc0/slowio_flush_cnt");
    306     }
    307 }
    308 
    309 // Methods from ::android::hardware::dumpstate::V1_0::IDumpstateDevice follow.
    310 Return<void> DumpstateDevice::dumpstateBoard(const hidl_handle& handle) {
    311     if (handle == nullptr || handle->numFds < 1) {
    312         ALOGE("no FDs\n");
    313         return Void();
    314     }
    315 
    316     int fd = handle->data[0];
    317     if (fd < 0) {
    318         ALOGE("invalid FD: %d\n", handle->data[0]);
    319         return Void();
    320     }
    321 
    322     RunCommandToFd(fd, "Notify modem", {"/vendor/bin/modem_svc", "-s"}, CommandOptions::WithTimeout(1).Build());
    323     RunCommandToFd(fd, "VENDOR PROPERTIES", {"/vendor/bin/getprop"});
    324     DumpFileToFd(fd, "SoC serial number", "/sys/devices/soc0/serial_number");
    325     DumpFileToFd(fd, "CPU present", "/sys/devices/system/cpu/present");
    326     DumpFileToFd(fd, "CPU online", "/sys/devices/system/cpu/online");
    327 
    328     if (!PropertiesHelper::IsUserBuild()) {
    329         RunCommandToFd(fd, "Performance Stats History", {"/vendor/bin/perfstatsd", "-d"});
    330     }
    331 
    332     DumpF2FS(fd);
    333     DumpeMMC(fd);
    334 
    335     DumpFileToFd(fd, "INTERRUPTS", "/proc/interrupts");
    336     DumpFileToFd(fd, "Sleep Stats", "/sys/power/system_sleep/stats");
    337     DumpFileToFd(fd, "Power Management Stats", "/sys/power/rpmh_stats/master_stats");
    338     DumpFileToFd(fd, "WLAN Power Stats", "/d/wlan0/power_stats");
    339     DumpFileToFd(fd, "LL-Stats", "/d/wlan0/ll_stats");
    340     DumpFileToFd(fd, "ICNSS Stats", "/d/icnss/stats");
    341     DumpFileToFd(fd, "SMD Log", "/d/ipc_logging/smd/log");
    342     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"});
    343     DumpFileToFd(fd, "dmabuf info", "/d/dma_buf/bufinfo");
    344     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"});
    345     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"});
    346     RunCommandToFd(
    347         fd, "LMH info",
    348         {"/vendor/bin/sh", "-c",
    349          "for f in /sys/bus/platform/drivers/msm_lmh_dcvs/*qcom,limits-dcvs@*/lmh_freq_limit; do "
    350          "state=`cat $f` ; echo \"$f: $state\" ; done"});
    351     RunCommandToFd(fd, "CPU time-in-state", {"/vendor/bin/sh", "-c", "for cpu in /sys/devices/system/cpu/cpu*; do f=$cpu/cpufreq/stats/time_in_state; if [ ! -f $f ]; then continue; fi; echo $f:; cat $f; done"});
    352     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 $d/usage`\"; done; done"});
    353     RunCommandToFd(fd, "Easel debug info", {"/vendor/bin/sh", "-c", "for f in `ls /sys/devices/platform/soc/a88000.i2c/i2c-0/0-0066/@(*curr|temperature|vbat|total_power)`; do echo \"$f: `cat $f`\" ; done; file=/sys/devices/virtual/misc/mnh_sm/state; echo \"$file: `cat $file`\""});
    354     DumpFileToFd(fd, "MDP xlogs", "/data/vendor/display/mdp_xlog");
    355     DumpFileToFd(fd, "TCPM logs", "/d/tcpm/usbpd0");
    356     DumpFileToFd(fd, "PD Engine", "/d/logbuffer/usbpd");
    357     DumpFileToFd(fd, "smb-lib", "/d/logbuffer/smblib");
    358     DumpFileToFd(fd, "DWC3 logs", "/d/ipc_logging/a600000.dwc3/log");
    359     DumpFileToFd(fd, "ipc-local-ports", "/d/msm_ipc_router/dump_local_ports");
    360     DumpIPCTRT(fd);
    361     DumpTouch(fd);
    362     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"});
    363     // Timeout after 3s
    364     RunCommandToFd(fd, "QSEE logs", {"/vendor/bin/sh", "-c", "/vendor/bin/timeout 3 cat /d/tzdbg/qsee_log"});
    365     RunCommandToFd(fd, "Power supply properties", {"/vendor/bin/sh", "-c", "for f in `ls /sys/class/power_supply/*/uevent` ; do echo \"------ $f\\n`cat $f`\\n\" ; done"});
    366     RunCommandToFd(fd, "PMIC Votables", {"/vendor/bin/sh", "-c", "cat /sys/kernel/debug/pmic-votable/*/status"});
    367     DumpFileToFd(fd, "Battery cycle count", "/sys/class/power_supply/bms/device/cycle_counts_bins");
    368     DumpFileToFd(fd, "Maxim FG registers", "/d/regmap/4-0036/registers");
    369     DumpFileToFd(fd, "Maxim FG NV RAM", "/d/regmap/4-000b/registers");
    370     DumpFileToFd(fd, "PM670 PON registers",
    371                  "/d/c440000.qcom,spmi:qcom,pm660@0:qcom,power-on@800/pmic_pon_dump");
    372     DumpFileToFd(fd, "PM670A PON registers",
    373                  "/d/c440000.qcom,spmi:qcom,pm660l@2:qcom,power-on@800/pmic_pon_dump");
    374     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"});
    375 
    376     RunCommandToFd(fd, "eSIM Status", {"/vendor/bin/sh", "-c", "od -t x1 /sys/firmware/devicetree/base/chosen/cdt/cdb2/esim"});
    377     DumpFileToFd(fd, "Modem Stat", "/data/vendor/modem_stat/debug.txt");
    378     DumpFileToFd(fd, "Pixel trace", "/d/tracing/instances/pixel-trace/trace");
    379 
    380     if (handle->numFds < 2) {
    381         ALOGE("no FD for modem\n");
    382     } else {
    383         int fdModem = handle->data[1];
    384         dumpModem(fd, fdModem);
    385     }
    386 
    387     // Keep this at the end as very long on not for humans
    388     DumpFileToFd(fd, "WLAN FW Log Symbol Table", "/vendor/firmware/Data.msc");
    389 
    390     return Void();
    391 }
    392 
    393 }  // namespace implementation
    394 }  // namespace V1_0
    395 }  // namespace dumpstate
    396 }  // namespace hardware
    397 }  // namespace android
    398