[root@shou]#mysqldumpslow -s c -t 3 mysql-slow.log

Reading mysql slow query log from mysql-slow.log
Count: 59247  Time=0.00s (12s)  Lock=0.00s (8s)  Rows=0.0 (0), zabbix[zabbix]@[127.0.0.1]
  select distinct r.druleid,r.iprange,r.name,c.dcheckid,r.proxy_hostid,r.delay from drules r left join dchecks c on c.druleid=r.druleid and c.uniq=N where r.status=N and r.nextcheck<=N and mod(r.druleid,N)=N

Count: 58619  Time=0.00s (3s)  Lock=0.00s (2s)  Rows=1.0 (58619), zabbix[zabbix]@[127.0.0.1]
  select count(*),min(nextcheck) from drules where status=N and mod(druleid,N)=N

Count: 56492  Time=0.00s (49s)  Lock=0.00s (21s)  Rows=0.0 (1711), []@[]
  throttle:          N 'S' warning(s) suppressed.