Comment 1 for bug 1088529

5.1:

static const struct msl_opts slog_verb[]=
{
  /* Basic flags */

  { SLOG_V_MICROTIME, "microtime" },
  { SLOG_V_QUERY_PLAN, "query_plan" },
  { SLOG_V_INNODB, "innodb" },

  /* End of baisc flags */

  { 0, "" },

  /* Complex flags */

  { SLOG_V_MICROTIME, "minimal" },
  { SLOG_V_MICROTIME|SLOG_V_QUERY_PLAN, "standard" },
  { SLOG_V_MICROTIME|SLOG_V_QUERY_PLAN|SLOG_V_INNODB, "full" },

  /* End of complex flags */

  { SLOG_V_INVALID, (char *)0 }
};

 {"log_slow_verbosity", OPT_LOG_SLOW_VERBOSITY,
    "Choose how verbose the messages to your slow log will be. Multiple flags allowed in a comma-separated string. [microtime, query_plan, innodb]",