SLOW_LOG_TIME
if(b->eb->last_slow_log+SLOW_LOG_TIME <=
if(b->eb->last_writewait_log+SLOW_LOG_TIME <=
if(b->eb->last_writewait_log+SLOW_LOG_TIME <=
if(b->eb->last_slow_log+SLOW_LOG_TIME <=
if(b->eb->last_writewait_log+SLOW_LOG_TIME <=
if(b->eb->last_writewait_log+SLOW_LOG_TIME <=