5.Linux常用排查命令
可以使用一下命令查使用内存最多的10个线程
ps aux | sort -k4nr | head -n 10
ps aux | sort -k4nr | head -n 10
可以使用一下命令查使用CPU最多的10个线程
ps aux | sort -k3nr | head -n 10
ps aux | sort -k3nr | head -n 10
查看最消耗CPU的线程
# ps H -eo pid,pcpu|sort -nk2|tail
46062 12.4
46062 13.7
46062 16.2
46062 28.2
46062 28.8
46062 83.3
46062 84.4
46062 84.5
46062 89.5
46062 91.3
# ps H -eo pid,pcpu|sort -nk2|tail
46062 12.4
46062 13.7
46062 16.2
46062 28.2
46062 28.8
46062 83.3
46062 84.4
46062 84.5
46062 89.5
46062 91.3
查看最消耗MEM的线程
# ps H -eo pid,pmem|sort -nk2|tail
46062 5.2
46062 5.2
46062 5.2
46062 5.2
46062 5.2
46062 5.2
46062 5.2
46062 5.2
46062 5.2
46062 5.2
# ps H -eo pid,pmem|sort -nk2|tail
46062 5.2
46062 5.2
46062 5.2
46062 5.2
46062 5.2
46062 5.2
46062 5.2
46062 5.2
46062 5.2
46062 5.2
查看最消耗CPU的线程及应用程序
# ps H -eo pid,pcpu,command|sort -nk2|tail
46062 12.4 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 13.7 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 16.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 28.7 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 28.8 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 83.3 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 84.4 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 84.5 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 89.5 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 91.3 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
# ps H -eo pid,pcpu,command|sort -nk2|tail
46062 12.4 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 13.7 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 16.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 28.7 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 28.8 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 83.3 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 84.4 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 84.5 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 89.5 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 91.3 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
查看最消耗MEM的线程及应用程序
# ps H -eo pid,pmem,command|sort -nk2|tail
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
# ps H -eo pid,pmem,command|sort -nk2|tail
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
46062 5.2 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
根据进程查应用程序
# ps aux|fgrep 46062
root 33140 0.0 0.0 100952 684 pts/1 S+ 11:27 0:00 fgrep 46062
mysql 46062 565 5.2 14796316 1723368 ? Sl Feb11 1209085:27 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
# ps aux|fgrep 46062
root 33140 0.0 0.0 100952 684 pts/1 S+ 11:27 0:00 fgrep 46062
mysql 46062 565 5.2 14796316 1723368 ? Sl Feb11 1209085:27 /usr/sbin/mysqld --basedir=/usr --datadir=/export/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
根据端口查询进程和应用程序
lsof -i:3306/mysql(程序名称)
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
mysqld 46062 mysql 13u IPv6 69109648 0t0 TCP *:mysql (LISTEN)
mysqld 46062 mysql 19u IPv6 522548147 0t0 TCP 10.159.33.15:mysql->10.159.32.173:50842 (ESTABLISHED)
mysqld 46062 mysql 25u IPv6 522451730 0t0 TCP 10.159.33.15:mysql->10.159.32.170:44889 (ESTABLISHED)
mysqld 46062 mysql 26u IPv6 522527700 0t0 TCP 10.159.33.15:mysql->10.159.32.170:49604 (ESTABLISHED)
mysqld 46062 mysql 28u IPv6 522540747 0t0 TCP 10.159.33.15:mysql->10.159.32.171:60664 (ESTABLISHED)
mysqld 46062 mysql 29u IPv6 522547817 0t0 TCP 10.159.33.15:mysql->10.159.32.170:51505 (ESTABLISHED)
mysqld 46062 mysql 30u IPv6 522446872 0t0 TCP 10.159.33.15:mysql->10.159.32.170:44404 (ESTABLISHED)
mysqld 46062 mysql 31u IPv6 522551513 0t0 TCP 10.159.33.15:mysql->10.159.32.173:52172 (ESTABLISHED)
mysqld 46062 mysql 32u IPv6 522504208 0t0 TCP 10.159.33.15:mysql->10.159.32.172:36145 (ESTABLISHED)
mysqld 46062 mysql 33u IPv6 522540748 0t0 TCP 10.159.33.15:mysql->10.159.32.171:60665 (ESTABLISHED)
mysqld 46062 mysql 34u IPv6 522499270 0t0 TCP 10.159.33.15:mysql->10.159.32.171:60117 (ESTABLISHED)
mysqld 46062 mysql 35u IPv6 522449331 0t0 TCP 10.159.33.15:mysql->10.159.32.173:38880 (ESTABLISHED)
mysqld 46062 mysql 38u IPv6 522499271 0t0 TCP 10.159.33.15:mysql->10.159.32.171:60118 (ESTABLISHED)
mysqld 46062 mysql 40u IPv6 522493845 0t0 TCP 10.159.33.15:mysql->10.159.32.172:57554 (ESTABLISHED)
mysqld 46062 mysql 44u IPv6 522470228 0t0 TCP 10.159.33.15:mysql->10.159.32.170:45947 (ESTABLISHED)
mysqld 46062 mysql 47u IPv6 522479678 0t0 TCP 10.159.33.15:mysql->10.159.32.170:46452 (ESTABLISHED)
lsof -i:3306/mysql(程序名称)
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
mysqld 46062 mysql 13u IPv6 69109648 0t0 TCP *:mysql (LISTEN)
mysqld 46062 mysql 19u IPv6 522548147 0t0 TCP 10.159.33.15:mysql->10.159.32.173:50842 (ESTABLISHED)
mysqld 46062 mysql 25u IPv6 522451730 0t0 TCP 10.159.33.15:mysql->10.159.32.170:44889 (ESTABLISHED)
mysqld 46062 mysql 26u IPv6 522527700 0t0 TCP 10.159.33.15:mysql->10.159.32.170:49604 (ESTABLISHED)
mysqld 46062 mysql 28u IPv6 522540747 0t0 TCP 10.159.33.15:mysql->10.159.32.171:60664 (ESTABLISHED)
mysqld 46062 mysql 29u IPv6 522547817 0t0 TCP 10.159.33.15:mysql->10.159.32.170:51505 (ESTABLISHED)
mysqld 46062 mysql 30u IPv6 522446872 0t0 TCP 10.159.33.15:mysql->10.159.32.170:44404 (ESTABLISHED)
mysqld 46062 mysql 31u IPv6 522551513 0t0 TCP 10.159.33.15:mysql->10.159.32.173:52172 (ESTABLISHED)
mysqld 46062 mysql 32u IPv6 522504208 0t0 TCP 10.159.33.15:mysql->10.159.32.172:36145 (ESTABLISHED)
mysqld 46062 mysql 33u IPv6 522540748 0t0 TCP 10.159.33.15:mysql->10.159.32.171:60665 (ESTABLISHED)
mysqld 46062 mysql 34u IPv6 522499270 0t0 TCP 10.159.33.15:mysql->10.159.32.171:60117 (ESTABLISHED)
mysqld 46062 mysql 35u IPv6 522449331 0t0 TCP 10.159.33.15:mysql->10.159.32.173:38880 (ESTABLISHED)
mysqld 46062 mysql 38u IPv6 522499271 0t0 TCP 10.159.33.15:mysql->10.159.32.171:60118 (ESTABLISHED)
mysqld 46062 mysql 40u IPv6 522493845 0t0 TCP 10.159.33.15:mysql->10.159.32.172:57554 (ESTABLISHED)
mysqld 46062 mysql 44u IPv6 522470228 0t0 TCP 10.159.33.15:mysql->10.159.32.170:45947 (ESTABLISHED)
mysqld 46062 mysql 47u IPv6 522479678 0t0 TCP 10.159.33.15:mysql->10.159.32.170:46452 (ESTABLISHED)
查看某一程序的进程，线程信息。每一列依次为用户ID，PID，PPID，LWP，第六列NLWP(LWP(线程ID)和NLWP(线程的个数))
# ps -eLf | grep mysql
root 3672 1 3672 0 1 2014 ? 00:00:00 mysql -uroot
root 21124 1 21124 0 1 2014 ? 00:00:00 /bin/sh /usr/bin/mysqld_safe --datadir=/apps/mysql/data --socket=/var/lib/mysql/mysql.sock --pid-file=/var/run/mysqld/mysqld.pid --basedir=/usr --user=mysql
mysql 21502 21124 21502 0 44 2014 ? 00:04:19 /usr/sbin/mysqld --basedir=/usr --datadir=/apps/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
mysql 21502 21124 21504 0 44 2014 ? 00:21:12 /usr/sbin/mysqld --basedir=/usr --datadir=/apps/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
mysql 21502 21124 21505 0 44 2014 ? 00:30:39 /usr/sbin/mysqld --basedir=/usr --datadir=/apps/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
mysql 21502 21124 21506 0 44 2014 ? 2-11:43:19 /usr/sbin/mysqld --basedir=/usr --datadir=/apps/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
mysql 21502 21124 21507 0 44 2014 ? 2-11:17:25 /usr/sbin/mysqld --basedir=/usr --datadir=/apps/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
# ps -eLf | grep mysql
root 3672 1 3672 0 1 2014 ? 00:00:00 mysql -uroot
root 21124 1 21124 0 1 2014 ? 00:00:00 /bin/sh /usr/bin/mysqld_safe --datadir=/apps/mysql/data --socket=/var/lib/mysql/mysql.sock --pid-file=/var/run/mysqld/mysqld.pid --basedir=/usr --user=mysql
mysql 21502 21124 21502 0 44 2014 ? 00:04:19 /usr/sbin/mysqld --basedir=/usr --datadir=/apps/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
mysql 21502 21124 21504 0 44 2014 ? 00:21:12 /usr/sbin/mysqld --basedir=/usr --datadir=/apps/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
mysql 21502 21124 21505 0 44 2014 ? 00:30:39 /usr/sbin/mysqld --basedir=/usr --datadir=/apps/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
mysql 21502 21124 21506 0 44 2014 ? 2-11:43:19 /usr/sbin/mysqld --basedir=/usr --datadir=/apps/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
mysql 21502 21124 21507 0 44 2014 ? 2-11:17:25 /usr/sbin/mysqld --basedir=/usr --datadir=/apps/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
每一列依次为用户ID，进程ID，父进程ID，线程ID，运行该线程的CPU的序号
# ps -eo ruser,pid,ppid,lwp,psr,args -L |grep mysql
root 3672 1 3672 2 mysql -uroot
root 21124 1 21124 0 /bin/sh /usr/bin/mysqld_safe --datadir=/apps/mysql/data --socket=/var/lib/mysql/mysql.sock --pid-file=/var/run/mysqld/mysqld.pid --basedir=/usr --user=mysql
mysql 21502 21124 21502 2 /usr/sbin/mysqld --basedir=/usr --datadir=/apps/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
mysql 21502 21124 21504 1 /usr/sbin/mysqld --basedir=/usr --datadir=/apps/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
mysql 21502 21124 21505 13 /usr/sbin/mysqld --basedir=/usr --datadir=/apps/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
mysql 21502 21124 21506 5 /usr/sbin/mysqld --basedir=/usr --datadir=/apps/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
mysql 21502 21124 21507 1 /usr/sbin/mysqld --basedir=/usr --datadir=/apps/mysql/data --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/export/mysql/log/error.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock --port=3306
查看线程top H
Tasks: 1824 total, 5 running, 1819 sleeping, 0 stopped, 0 zombie
Cpu(s): 30.9%us, 1.7%sy, 0.0%ni, 63.1%id, 4.2%wa, 0.0%hi, 0.1%si, 0.0%st
Mem: 32827220k total, 32262032k used, 565188k free, 243652k buffers
Swap: 33554424k total, 1036436k used, 32517988k free, 28803144k cached
Tasks: 1824 total, 5 running, 1819 sleeping, 0 stopped, 0 zombie
Cpu(s): 30.9%us, 1.7%sy, 0.0%ni, 63.1%id, 4.2%wa, 0.0%hi, 0.1%si, 0.0%st
Mem: 32827220k total, 32262032k used, 565188k free, 243652k buffers
Swap: 33554424k total, 1036436k used, 32517988k free, 28803144k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
23451 mysql 20 0 14.1g 1.6g 7492 R 99.7 5.2 68435:19 mysqld
27083 mysql 20 0 14.1g 1.6g 7492 R 99.4 5.2 73519:03 mysqld
43328 mysql 20 0 14.1g 1.6g 7492 R 99.0 5.2 73468:59 mysqld
19728 mysql 20 0 14.1g 1.6g 7492 R 98.7 5.2 29:20.28 mysqld
37088 mysql 20 0 14.1g 1.6g 7492 S 53.9 5.2 361:18.74 mysqld
11254 mysql 20 0 14.1g 1.6g 7492 S 51.6 5.2 2301:20 mysqld
34694 mysql 20 0 14.1g 1.6g 7492 S 46.4 5.2 1648:14 mysqld
38157 mysql 20 0 14.1g 1.6g 7492 S 39.0 5.2 226:09.02 mysqld
39131 mysql 20 0 14.1g 1.6g 7492 S 35.1 5.2 28:27.61 mysqld
29578 mysql 20 0 14.1g 1.6g 7492 S 35.1 5.2 0:58.99 mysqld
21886 mysql 20 0 14.1g 1.6g 7492 S 25.6 5.2 237:17.99 mysqld
46072 mysql 20 0 14.1g 1.6g 7492 S 14.0 5.2 17152:01 mysqld
46073 mysql 20 0 14.1g 1.6g 7492 S 14.0 5.2 17973:15 mysqld
23451 mysql 20 0 14.1g 1.6g 7492 R 99.7 5.2 68435:19 mysqld
27083 mysql 20 0 14.1g 1.6g 7492 R 99.4 5.2 73519:03 mysqld
43328 mysql 20 0 14.1g 1.6g 7492 R 99.0 5.2 73468:59 mysqld
19728 mysql 20 0 14.1g 1.6g 7492 R 98.7 5.2 29:20.28 mysqld
37088 mysql 20 0 14.1g 1.6g 7492 S 53.9 5.2 361:18.74 mysqld
11254 mysql 20 0 14.1g 1.6g 7492 S 51.6 5.2 2301:20 mysqld
34694 mysql 20 0 14.1g 1.6g 7492 S 46.4 5.2 1648:14 mysqld
38157 mysql 20 0 14.1g 1.6g 7492 S 39.0 5.2 226:09.02 mysqld
39131 mysql 20 0 14.1g 1.6g 7492 S 35.1 5.2 28:27.61 mysqld
29578 mysql 20 0 14.1g 1.6g 7492 S 35.1 5.2 0:58.99 mysqld
21886 mysql 20 0 14.1g 1.6g 7492 S 25.6 5.2 237:17.99 mysqld
46072 mysql 20 0 14.1g 1.6g 7492 S 14.0 5.2 17152:01 mysqld
46073 mysql 20 0 14.1g 1.6g 7492 S 14.0 5.2 17973:15 mysqld
查看进程top
Tasks: 444 total, 1 running, 443 sleeping, 0 stopped, 0 zombie
Cpu(s): 28.9%us, 1.7%sy, 0.0%ni, 65.0%id, 4.2%wa, 0.0%hi, 0.1%si, 0.0%st
Mem: 32827220k total, 32255008k used, 572212k free, 243728k buffers
Swap: 33554424k total, 1036436k used, 32517988k free, 28802036k cached
Tasks: 444 total, 1 running, 443 sleeping, 0 stopped, 0 zombie
Cpu(s): 28.9%us, 1.7%sy, 0.0%ni, 65.0%id, 4.2%wa, 0.0%hi, 0.1%si, 0.0%st
Mem: 32827220k total, 32255008k used, 572212k free, 243728k buffers
Swap: 33554424k total, 1036436k used, 32517988k free, 28802036k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
46062 mysql 20 0 14.1g 1.6g 7492 S 737.6 5.2 20731,01 mysqld
1754 root 20 0 0 0 0 S 0.3 0.0 1003:34 jbd2/dm-3-8
46066 root 20 0 15300 1516 932 R 0.3 0.0 0:00.02 top
1 root 20 0 19356 544 380 S 0.0 0.0 0:23.08 init
2 root 20 0 0 0 0 S 0.0 0.0 0:04.40 kthreadd
3 root RT 0 0 0 0 S 0.0 0.0 12:59.81 migration/0
4 root 20 0 0 0 0 S 0.0 0.0 19:02.84 ksoftirqd/0
5 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/0
46062 mysql 20 0 14.1g 1.6g 7492 S 737.6 5.2 20731,01 mysqld
1754 root 20 0 0 0 0 S 0.3 0.0 1003:34 jbd2/dm-3-8
46066 root 20 0 15300 1516 932 R 0.3 0.0 0:00.02 top
1 root 20 0 19356 544 380 S 0.0 0.0 0:23.08 init
2 root 20 0 0 0 0 S 0.0 0.0 0:04.40 kthreadd
3 root RT 0 0 0 0 S 0.0 0.0 12:59.81 migration/0
4 root 20 0 0 0 0 S 0.0 0.0 19:02.84 ksoftirqd/0
5 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/0
查看每个cpu的状态top 1
top - 10:51:59 up 125 days, 14:56, 24 users, load average: 1.46, 1.25, 1.14
Tasks: 427 total, 1 running, 426 sleeping, 0 stopped, 0 zombie
%Cpu0 : 0.3 us, 1.0 sy, 0.0 ni, 0.0 id, 98.7 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu1 : 0.3 us, 0.3 sy, 0.0 ni, 99.3 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu2 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu3 : 48.2 us, 9.8 sy, 0.0 ni, 41.6 id, 0.0 wa, 0.0 hi, 0.3 si, 0.0 st
KiB Mem: 16434272 total, 14468204 used, 1966068 free, 6771280 buffers
KiB Swap: 524284 total, 524128 used, 156 free. 1317920 cached Mem
top - 10:51:59 up 125 days, 14:56, 24 users, load average: 1.46, 1.25, 1.14
Tasks: 427 total, 1 running, 426 sleeping, 0 stopped, 0 zombie
%Cpu0 : 0.3 us, 1.0 sy, 0.0 ni, 0.0 id, 98.7 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu1 : 0.3 us, 0.3 sy, 0.0 ni, 99.3 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu2 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu3 : 48.2 us, 9.8 sy, 0.0 ni, 41.6 id, 0.0 wa, 0.0 hi, 0.3 si, 0.0 st
KiB Mem: 16434272 total, 14468204 used, 1966068 free, 6771280 buffers
KiB Swap: 524284 total, 524128 used, 156 free. 1317920 cached Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
12112 ubuntu 20 0 312324 186356 4372 S 47.5 1.1 1:07.38 python
11540 ubuntu 20 0 161300 35400 4380 S 8.0 0.2 1:32.66 python
23402 root 20 0 26908 20032 692 D 0.7 0.1 1:48.01 updatedb.mlocat
10682 ubuntu 20 0 105672 2088 1024 S 0.3 0.0 0:00.13 sshd
12277 ubuntu 20 0 26132 2504 1140 R 0.3 0.0 0:00.83 top
25898 ubuntu 20 0 2485820 31160 1464 S 0.3 0.2 1:11.79 phantomjs
1 root 20 0 37204 5716 652 S 0.0 0.0 1:27.24 init
2 root 20 0 0 0 0 S 0.0 0.0 0:02.94 kthreadd
3 root 20 0 0 0 0 S 0.0 0.0 0:06.37 ksoftirqd/0
5 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/0:0H
cpu各项指标说明：
us：用户态使用的cpu时间比
sy：系统态使用的cpu时间比
ni：用做nice加权的进程分配的用户态cpu时间比
id：空闲的cpu时间比
wa：cpu等待磁盘写入完成时间
hi：硬中断消耗时间
si：软中断消耗时间
st：虚拟机偷取时间
12112 ubuntu 20 0 312324 186356 4372 S 47.5 1.1 1:07.38 python
11540 ubuntu 20 0 161300 35400 4380 S 8.0 0.2 1:32.66 python
23402 root 20 0 26908 20032 692 D 0.7 0.1 1:48.01 updatedb.mlocat
10682 ubuntu 20 0 105672 2088 1024 S 0.3 0.0 0:00.13 sshd
12277 ubuntu 20 0 26132 2504 1140 R 0.3 0.0 0:00.83 top
25898 ubuntu 20 0 2485820 31160 1464 S 0.3 0.2 1:11.79 phantomjs
1 root 20 0 37204 5716 652 S 0.0 0.0 1:27.24 init
2 root 20 0 0 0 0 S 0.0 0.0 0:02.94 kthreadd
3 root 20 0 0 0 0 S 0.0 0.0 0:06.37 ksoftirqd/0
5 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/0:0H
cpu各项指标说明：
us：用户态使用的cpu时间比
sy：系统态使用的cpu时间比
ni：用做nice加权的进程分配的用户态cpu时间比
id：空闲的cpu时间比
wa：cpu等待磁盘写入完成时间
hi：硬中断消耗时间
si：软中断消耗时间
st：虚拟机偷取时间
查看物理CPU个数
# cat /proc/cpuinfo |grep "physical id"|sort |uniq|wc -l
# cat /proc/cpuinfo |grep "physical id"|sort |uniq|wc -l
查看CPU核心数
# cat /proc/cpuinfo |grep "cores"|uniq
# cat /proc/cpuinfo |grep "cores"|uniq
查看逻辑CPU个数
# cat /proc/cpuinfo |grep "processor"|wc -l
# cat /proc/cpuinfo |grep "processor"|wc -l
