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Commit be3bbc17 authored by Yao Chen's avatar Yao Chen
Browse files

Add STATS LOG section to dumpstate/bugreport 

"stats" is a new logd buffer for computing android metrics by statsd (go/westworld-design).
The default size of stats buffer is 64K.

Bug: 72123656
Test: manual

Change-Id: I71611b26458b77deb39954d27da1c5f4cf3bcfb0
parent c3a59230

cmds/dumpstate/dumpstate.cpp

+21 −24
Original line number Diff line number Diff line
@@ -657,12 +657,18 @@ static int dump_stat_from_fd(const char *title __unused, const char *path, int f 
    return 0;

}



/* timeout in ms */

static unsigned long logcat_timeout(const char *name) {

    log_id_t id = android_name_to_log_id(name);

static const long MINIMUM_LOGCAT_TIMEOUT_MS = 50000;



/* timeout in ms to read a list of buffers */

static unsigned long logcat_timeout(const std::vector<std::string>& buffers) {

    unsigned long timeout_ms = 0;

    for (const auto& buffer : buffers) {

        log_id_t id = android_name_to_log_id(buffer.c_str());

        unsigned long property_size = __android_logger_get_buffer_size(id);

        /* Engineering margin is ten-fold our guess */

    return 10 * (property_size + worst_write_perf) / worst_write_perf;

        timeout_ms += 10 * (property_size + worst_write_perf) / worst_write_perf;

    }

    return timeout_ms > MINIMUM_LOGCAT_TIMEOUT_MS ? timeout_ms : MINIMUM_LOGCAT_TIMEOUT_MS;

}



void Dumpstate::PrintHeader() const {
@@ -831,13 +837,8 @@ static void DoKmsg() { 
    }

}



static const long MINIMUM_LOGCAT_TIMEOUT_MS = 50000;



static void DoKernelLogcat() {

    unsigned long timeout_ms = logcat_timeout("kernel");

    if (timeout_ms < MINIMUM_LOGCAT_TIMEOUT_MS) {

        timeout_ms = MINIMUM_LOGCAT_TIMEOUT_MS;

    }

    unsigned long timeout_ms = logcat_timeout({"kernel"});

    RunCommand(

        "KERNEL LOG",

        {"logcat", "-b", "kernel", "-v", "threadtime", "-v", "printable", "-v", "uid", "-d", "*:v"},
@@ -848,25 +849,21 @@ static void DoLogcat() { 
    unsigned long timeout_ms;

    // DumpFile("EVENT LOG TAGS", "/etc/event-log-tags");

    // calculate timeout

    timeout_ms = logcat_timeout("main") + logcat_timeout("system") + logcat_timeout("crash");

    if (timeout_ms < MINIMUM_LOGCAT_TIMEOUT_MS) {

        timeout_ms = MINIMUM_LOGCAT_TIMEOUT_MS;

    }

    timeout_ms = logcat_timeout({"main", "system", "crash"});

    RunCommand("SYSTEM LOG",

               {"logcat", "-v", "threadtime", "-v", "printable", "-v", "uid", "-d", "*:v"},

               CommandOptions::WithTimeoutInMs(timeout_ms).Build());

    timeout_ms = logcat_timeout("events");

    if (timeout_ms < MINIMUM_LOGCAT_TIMEOUT_MS) {

        timeout_ms = MINIMUM_LOGCAT_TIMEOUT_MS;

    }

    timeout_ms = logcat_timeout({"events"});

    RunCommand(

        "EVENT LOG",

        {"logcat", "-b", "events", "-v", "threadtime", "-v", "printable", "-v", "uid", "-d", "*:v"},

        CommandOptions::WithTimeoutInMs(timeout_ms).Build());

    timeout_ms = logcat_timeout("radio");

    if (timeout_ms < MINIMUM_LOGCAT_TIMEOUT_MS) {

        timeout_ms = MINIMUM_LOGCAT_TIMEOUT_MS;

    }

    timeout_ms = logcat_timeout({"stats"});

    RunCommand(

        "STATS LOG",

        {"logcat", "-b", "stats", "-v", "threadtime", "-v", "printable", "-v", "uid", "-d", "*:v"},

        CommandOptions::WithTimeoutInMs(timeout_ms).Build());

    timeout_ms = logcat_timeout({"radio"});

    RunCommand(

        "RADIO LOG",

        {"logcat", "-b", "radio", "-v", "threadtime", "-v", "printable", "-v", "uid", "-d", "*:v"},