コード例 #1
0
TEST(logcat, tz) {

    if (android_log_clockid() == CLOCK_MONOTONIC) {
        fprintf(stderr, "Skipping test, logd is monotonic time\n");
        return;
    }

    int tries = 3; // in case run too soon after system start or buffer clear
    int count;

    do {
        FILE *fp;

        ASSERT_TRUE(NULL != (fp = popen(
          "logcat -v long -v America/Los_Angeles -b all -t 3 2>/dev/null",
          "r")));

        char buffer[BIG_BUFFER];

        count = 0;

        while (fgetLongTime(buffer, sizeof(buffer), fp)) {
            if (strstr(buffer, " -0700") || strstr(buffer, " -0800")) {
                ++count;
            }
        }

        pclose(fp);

    } while ((count < 3) && --tries && (sleep(1), true));

    ASSERT_EQ(3, count);
}
コード例 #2
0
TEST(logcat, tz) {

    if (android_log_clockid() == CLOCK_MONOTONIC) {
        fprintf(stderr, "Skipping test, logd is monotonic time\n");
        return;
    }

    FILE *fp;

    ASSERT_TRUE(NULL != (fp = popen(
      "logcat -v long -v America/Los_Angeles -b all -t 3 2>/dev/null",
      "r")));

    char buffer[5120];

    int count = 0;

    while (fgetLongTime(buffer, sizeof(buffer), fp)) {
        if (strstr(buffer, " -0700") || strstr(buffer, " -0800")) {
            ++count;
        }
    }

    pclose(fp);

    ASSERT_EQ(3, count);
}
コード例 #3
0
ファイル: logprint.c プロジェクト: biysaiy/atlas
LIBLOG_ABI_PUBLIC AndroidLogFormat *android_log_format_new()
{
    AndroidLogFormat *p_ret;

    p_ret = calloc(1, sizeof(AndroidLogFormat));

    p_ret->global_pri = ANDROID_LOG_VERBOSE;
    p_ret->format = FORMAT_BRIEF;
    p_ret->colored_output = false;
    p_ret->usec_time_output = false;
    p_ret->printable_output = false;
    p_ret->year_output = false;
    p_ret->zone_output = false;
    p_ret->epoch_output = false;
    p_ret->monotonic_output = android_log_clockid() == CLOCK_MONOTONIC;
    p_ret->uid_output = false;

    return p_ret;
}
コード例 #4
0
TEST(logcat, year) {

    if (android_log_clockid() == CLOCK_MONOTONIC) {
        fprintf(stderr, "Skipping test, logd is monotonic time\n");
        return;
    }

    FILE *fp;

    char needle[32];
    time_t now;
    time(&now);
    struct tm *ptm;
#if !defined(_WIN32)
    struct tm tmBuf;
    ptm = localtime_r(&now, &tmBuf);
#else
    ptm = localtime(&&now);
#endif
    strftime(needle, sizeof(needle), "[ %Y-", ptm);

    ASSERT_TRUE(NULL != (fp = popen(
      "logcat -v long -v year -b all -t 3 2>/dev/null",
      "r")));

    char buffer[BIG_BUFFER];

    int count = 0;

    while (fgets(buffer, sizeof(buffer), fp)) {
        if (!strncmp(buffer, needle, strlen(needle))) {
            ++count;
        }
    }

    pclose(fp);

    ASSERT_EQ(3, count);
}
コード例 #5
0
// Find last logged line in gestalt of all matching existing output files
static log_time lastLogTime(char *outputFileName) {
    log_time retval(log_time::EPOCH);
    if (!outputFileName) {
        return retval;
    }

    std::string directory;
    char *file = strrchr(outputFileName, '/');
    if (!file) {
        directory = ".";
        file = outputFileName;
    } else {
        *file = '\0';
        directory = outputFileName;
        *file = '/';
        ++file;
    }

    std::unique_ptr<DIR, int(*)(DIR*)>
            dir(opendir(directory.c_str()), closedir);
    if (!dir.get()) {
        return retval;
    }

    clockid_t clock_type = android_log_clockid();
    log_time now(clock_type);
    bool monotonic = clock_type == CLOCK_MONOTONIC;

    size_t len = strlen(file);
    log_time modulo(0, NS_PER_SEC);
    struct dirent *dp;

    while ((dp = readdir(dir.get())) != NULL) {
        if ((dp->d_type != DT_REG)
                // If we are using realtime, check all files that match the
                // basename for latest time. If we are using monotonic time
                // then only check the main file because time cycles on
                // every reboot.
                || strncmp(dp->d_name, file, len + monotonic)
                || (dp->d_name[len]
                    && ((dp->d_name[len] != '.')
                        || !isdigit(dp->d_name[len+1])))) {
            continue;
        }

        std::string file_name = directory;
        file_name += "/";
        file_name += dp->d_name;
        std::string file;
        if (!android::base::ReadFileToString(file_name, &file)) {
            continue;
        }

        bool found = false;
        for (const auto& line : android::base::Split(file, "\n")) {
            log_time t(log_time::EPOCH);
            char *ep = parseTime(t, line.c_str());
            if (!ep || (*ep != ' ')) {
                continue;
            }
            // determine the time precision of the logs (eg: msec or usec)
            for (unsigned long mod = 1UL; mod < modulo.tv_nsec; mod *= 10) {
                if (t.tv_nsec % (mod * 10)) {
                    modulo.tv_nsec = mod;
                    break;
                }
            }
            // We filter any times later than current as we may not have the
            // year stored with each log entry. Also, since it is possible for
            // entries to be recorded out of order (very rare) we select the
            // maximum we find just in case.
            if ((t < now) && (t > retval)) {
                retval = t;
                found = true;
            }
        }
        // We count on the basename file to be the definitive end, so stop here.
        if (!dp->d_name[len] && found) {
            break;
        }
    }
    if (retval == log_time::EPOCH) {
        return retval;
    }
    // tail_time prints matching or higher, round up by the modulo to prevent
    // a replay of the last entry we have just checked.
    retval += modulo;
    return retval;
}
コード例 #6
0
// b/26447386 refined behavior
TEST(logd, timeout) {
    log_msg msg_wrap, msg_timeout;
    bool content_wrap = false, content_timeout = false, written = false;
    unsigned int alarm_wrap = 0, alarm_timeout = 0;
    // A few tries to get it right just in case wrap kicks in due to
    // content providers being active during the test
    int i = 5;
    log_time now(android_log_clockid());
    now.tv_sec -= 30; // reach back a moderate period of time

    while (--i) {
        int fd = socket_local_client("logdr",
                                     ANDROID_SOCKET_NAMESPACE_RESERVED,
                                     SOCK_SEQPACKET);
        ASSERT_LT(0, fd);

        std::string ask = android::base::StringPrintf(
            "dumpAndClose lids=0,1,2,3,4,5 timeout=6 start=%"
                PRIu32 ".%09" PRIu32,
            now.tv_sec, now.tv_nsec);

        struct sigaction ignore, old_sigaction;
        memset(&ignore, 0, sizeof(ignore));
        ignore.sa_handler = caught_signal;
        sigemptyset(&ignore.sa_mask);
        sigaction(SIGALRM, &ignore, &old_sigaction);
        unsigned int old_alarm = alarm(3);

        size_t len = ask.length() + 1;
        written = write(fd, ask.c_str(), len) == (ssize_t)len;
        if (!written) {
            alarm(old_alarm);
            sigaction(SIGALRM, &old_sigaction, NULL);
            close(fd);
            continue;
        }

        content_wrap = recv(fd, msg_wrap.buf, sizeof(msg_wrap), 0) > 0;

        alarm_wrap = alarm(5);

        content_timeout = recv(fd, msg_timeout.buf, sizeof(msg_timeout), 0) > 0;
        if (!content_timeout) { // make sure we hit dumpAndClose
            content_timeout = recv(fd, msg_timeout.buf, sizeof(msg_timeout), 0) > 0;
        }

        alarm_timeout = alarm((old_alarm <= 0)
            ? old_alarm
            : (old_alarm > (1 + 3 - alarm_wrap))
                ? old_alarm - 3 + alarm_wrap
                : 2);
        sigaction(SIGALRM, &old_sigaction, NULL);

        close(fd);

        if (!content_wrap && !alarm_wrap && content_timeout && alarm_timeout) {
            break;
        }

        // modify start time in case content providers are relatively
        // active _or_ inactive during the test.
        if (content_timeout) {
            log_time msg(msg_timeout.entry.sec, msg_timeout.entry.nsec);
            EXPECT_FALSE(msg < now);
            if (msg > now) {
                now = msg;
                now.tv_sec += 30;
                msg = log_time(android_log_clockid());
                if (now > msg) {
                    now = msg;
                    --now.tv_sec;
                }
            }
        } else {
            now.tv_sec -= 120; // inactive, reach further back!
        }
    }

    if (content_wrap) {
        dump_log_msg("wrap", &msg_wrap, 3, -1);
    }

    if (content_timeout) {
        dump_log_msg("timeout", &msg_timeout, 3, -1);
    }

    if (content_wrap || !content_timeout) {
        fprintf(stderr, "now=%" PRIu32 ".%09" PRIu32 "\n",
                now.tv_sec, now.tv_nsec);
    }

    EXPECT_TRUE(written);
    EXPECT_FALSE(content_wrap);
    EXPECT_EQ(0U, alarm_wrap);
    EXPECT_TRUE(content_timeout);
    EXPECT_NE(0U, alarm_timeout);
}
コード例 #7
0
/*
 *	Measure the time it takes for android_log_clockid.
 */
static void BM_clockid(benchmark::State& state) {
  while (state.KeepRunning()) {
    android_log_clockid();
  }
}
コード例 #8
0
/*
 * Measure the time it takes to submit the android logging data to pstore
 * best case aligned single block.
 */
static void BM_pmsg_long_unaligned1(benchmark::State& state) {
  int pstore_fd = TEMP_FAILURE_RETRY(open("/dev/pmsg0", O_WRONLY | O_CLOEXEC));
  if (pstore_fd < 0) {
    state.SkipWithError("/dev/pmsg0");
    return;
  }

  /*
   *  struct {
   *      // what we provide to pstore
   *      android_pmsg_log_header_t pmsg_header;
   *      // what we provide to socket
   *      android_log_header_t header;
   *      // caller provides
   *      union {
   *          struct {
   *              char     prio;
   *              char     payload[];
   *          } string;
   *          struct {
   *              uint32_t tag
   *              char     payload[];
   *          } binary;
   *      };
   *  };
   */

  struct timespec ts;
  clock_gettime(android_log_clockid(), &ts);

  struct packet {
    android_pmsg_log_header_t pmsg_header;
    android_log_header_t header;
    android_log_event_int_t payload;
  };
  alignas(8) char buf[sizeof(struct packet) + 8 + LOGGER_ENTRY_MAX_PAYLOAD];
  memset(buf, 0, sizeof(buf));
  struct packet* buffer = (struct packet*)((((uintptr_t)buf + 7) & ~7) + 1);
  if ((((uintptr_t)&buffer->pmsg_header) & 7) != 1) {
    fprintf(stderr, "&buffer=0x%p iterations=%zu\n", &buffer->pmsg_header,
            state.iterations());
  }

  buffer->pmsg_header.magic = LOGGER_MAGIC;
  buffer->pmsg_header.len =
      sizeof(android_pmsg_log_header_t) + sizeof(android_log_header_t);
  buffer->pmsg_header.uid = getuid();
  buffer->pmsg_header.pid = getpid();

  buffer->header.tid = gettid();
  buffer->header.realtime.tv_sec = ts.tv_sec;
  buffer->header.realtime.tv_nsec = ts.tv_nsec;

  buffer->header.id = LOG_ID_EVENTS;
  buffer->payload.header.tag = 0;
  buffer->payload.payload.type = EVENT_TYPE_INT;
  uint32_t snapshot = 0;
  buffer->payload.payload.data = htole32(snapshot);

  while (state.KeepRunning()) {
    ++snapshot;
    buffer->payload.payload.data = htole32(snapshot);
    write(pstore_fd, &buffer->pmsg_header, LOGGER_ENTRY_MAX_PAYLOAD);
  }
  state.PauseTiming();
  close(pstore_fd);
}
コード例 #9
0
/*
 * Measure the time it takes to submit the android logging data to pstore
 */
static void BM_pmsg_short(benchmark::State& state) {
  int pstore_fd = TEMP_FAILURE_RETRY(open("/dev/pmsg0", O_WRONLY | O_CLOEXEC));
  if (pstore_fd < 0) {
    state.SkipWithError("/dev/pmsg0");
    return;
  }

  /*
   *  struct {
   *      // what we provide to pstore
   *      android_pmsg_log_header_t pmsg_header;
   *      // what we provide to socket
   *      android_log_header_t header;
   *      // caller provides
   *      union {
   *          struct {
   *              char     prio;
   *              char     payload[];
   *          } string;
   *          struct {
   *              uint32_t tag
   *              char     payload[];
   *          } binary;
   *      };
   *  };
   */

  struct timespec ts;
  clock_gettime(android_log_clockid(), &ts);

  android_pmsg_log_header_t pmsg_header;
  pmsg_header.magic = LOGGER_MAGIC;
  pmsg_header.len =
      sizeof(android_pmsg_log_header_t) + sizeof(android_log_header_t);
  pmsg_header.uid = getuid();
  pmsg_header.pid = getpid();

  android_log_header_t header;
  header.tid = gettid();
  header.realtime.tv_sec = ts.tv_sec;
  header.realtime.tv_nsec = ts.tv_nsec;

  static const unsigned nr = 1;
  static const unsigned header_length = 2;
  struct iovec newVec[nr + header_length];

  newVec[0].iov_base = (unsigned char*)&pmsg_header;
  newVec[0].iov_len = sizeof(pmsg_header);
  newVec[1].iov_base = (unsigned char*)&header;
  newVec[1].iov_len = sizeof(header);

  android_log_event_int_t buffer;

  header.id = LOG_ID_EVENTS;
  buffer.header.tag = 0;
  buffer.payload.type = EVENT_TYPE_INT;
  uint32_t snapshot = 0;
  buffer.payload.data = htole32(snapshot);

  newVec[2].iov_base = &buffer;
  newVec[2].iov_len = sizeof(buffer);

  while (state.KeepRunning()) {
    ++snapshot;
    buffer.payload.data = htole32(snapshot);
    writev(pstore_fd, newVec, nr);
  }
  state.PauseTiming();
  close(pstore_fd);
}