09 May 2016
ps aux |grep java root 21662 0.1 7.7 3670236 1269156 ? Sl 2015 274:57 /opt/jdk1.7.0_67/bin/java -Dnop -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -server -Xms1G -Xmx1G -XX:PermSize=128M -XX:MaxNewSize=512m -XX:MaxPermSize=256m -Djava.awt.headless=true -Djava.endorsed.dirs=/opt/apache-tomcat-7055-to8ptclient/endorsed -classpath /opt/apache-tomcat-7055-to8ptclient/bin/bootstrap.jar:/opt/apache-tomcat-7055-to8ptclient/bin/tomcat-juli.jar -Dcatalina.base=/opt/apache-tomcat-7055-to8ptclient -Dcatalina.home=/opt/apache-tomcat-7055-to8ptclient -Djava.io.tmpdir=/opt/apache-tomcat-7055-to8ptclient/temp org.apache.catalina.startup.Bootstrap start root 21963 0.0 0.0 103244 840 pts/0 S+ 22:27 0:00 grep java root 22223 0.3 7.5 4797448 1235008 ? Sl May06 20:04 /opt/jdk1.7.0_67/bin/java -Dnop -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -server -Xms2G -Xmx2G -XX:PermSize=128M -XX:MaxNewSize=512m -XX:MaxPermSize=256m -Djava.awt.headless=true -Djava.endorsed.dirs=/opt/apache-tomcat-7055-web/endorsed -classpath /opt/apache-tomcat-7055-web/bin/bootstrap.jar:/opt/apache-tomcat-7055-web/bin/tomcat-juli.jar -Dcatalina.base=/opt/apache-tomcat-7055-web -Dcatalina.home=/opt/apache-tomcat-7055-web -Djava.io.tmpdir=/opt/apache-tomcat-7055-web/temp org.apache.catalina.startup.Bootstrap start root 22589 0.2 5.8 4021188 957512 ? Sl May06 10:12 /opt/jdk1.7.0_67/bin/java -Dnop -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -server -Xms1G -Xmx1G -XX:PermSize=128M -XX:MaxNewSize=512m -XX:MaxPermSize=256m -Djava.awt.headless=true -Djava.endorsed.dirs=/opt/apache-tomcat-7055-bom/endorsed -classpath /opt/apache-tomcat-7055-bom/bin/bootstrap.jar:/opt/apache-tomcat-7055-bom/bin/tomcat-juli.jar -Dcatalina.base=/opt/apache-tomcat-7055-bom -Dcatalina.home=/opt/apache-tomcat-7055-bom -Djava.io.tmpdir=/opt/apache-tomcat-7055-bom/temp org.apache.catalina.startup.Bootstrap start root 47891 0.0 4.4 3669412 717848 ? Sl Apr21 19:06 /opt/jdk1.7.0_67/bin/java -Dnop -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -server -Xms1G -Xmx1G -XX:PermSize=128M -XX:MaxNewSize=512m -XX:MaxPermSize=256m -Djava.awt.headless=true -Djava.endorsed.dirs=/opt/apache-tomcat-7055-agent/endorsed -classpath /opt/apache-tomcat-7055-agent/bin/bootstrap.jar:/opt/apache-tomcat-7055-agent/bin/tomcat-juli.jar -Dcatalina.base=/opt/apache-tomcat-7055-agent -Dcatalina.home=/opt/apache-tomcat-7055-agent -Djava.io.tmpdir=/opt/apache-tomcat-7055-agent/temp org.apache.catalina.startup.Bootstrap start
-T 参数增加SPID列，就是thread id列
ps -T -p 21662 PID SPID TTY TIME CMD 21662 21662 ? 00:00:00 java 21662 21663 ? 00:00:01 java 21662 21664 ? 00:00:08 java 21662 21665 ? 00:00:08 java 21662 21666 ? 00:00:08 java 21662 21667 ? 00:00:08 java 21662 21668 ? 00:06:20 java 21662 21669 ? 00:00:03 java 21662 21670 ? 00:00:06 java 21662 21671 ? 00:00:00 java 21662 21672 ? 00:00:33 java 21662 21673 ? 00:00:27 java 21662 21674 ? 00:00:00 java 21662 21675 ? 01:26:12 java 21662 21677 ? 00:00:00 java 21662 21684 ? 00:01:05 java 21662 21696 ? 00:00:02 java 21662 21699 ? 00:12:57 java 21662 21700 ? 00:02:55 java 21662 21701 ? 00:04:23 java 21662 21703 ? 00:00:00 java 21662 21704 ? 00:04:23 java 21662 21712 ? 00:06:51 java 21662 48981 ? 00:00:00 java 21662 10189 ? 00:00:48 java 21662 10190 ? 00:00:47 java 21662 10191 ? 00:00:48 java 21662 10192 ? 00:00:47 java 21662 10193 ? 00:00:47 java 21662 10194 ? 00:00:47 java 21662 10195 ? 00:00:47 java 21662 10196 ? 00:00:48 java 21662 10197 ? 00:00:47 java 21662 10198 ? 00:00:48 java 21662 36693 ? 00:01:06 java 21662 8913 ? 00:01:01 java 21662 21314 ? 00:00:56 java 21662 40593 ? 00:00:04 java 21662 40842 ? 00:00:03 java 21662 25602 ? 00:00:02 java 21662 21732 ? 00:00:00 java 21662 21845 ? 00:00:00 java
-H 参数来打开thread
top -H -p 21662 top - 22:34:58 up 315 days, 9:00, 1 user, load average: 0.00, 0.00, 0.00 Tasks: 42 total, 0 running, 42 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0%us, 0.0%sy, 0.0%ni, 99.9%id, 0.1%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 16282932k total, 13527960k used, 2754972k free, 231676k buffers Swap: 8208380k total, 78152k used, 8130228k free, 8351040k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 21675 root 20 0 3584m 1.2g 9544 S 0.3 7.8 86:12.40 java 21662 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:00.00 java 21663 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:01.31 java 21664 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:08.62 java 21665 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:08.42 java 21666 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:08.63 java 21667 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:08.61 java 21668 root 20 0 3584m 1.2g 9544 S 0.0 7.8 6:20.73 java 21669 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:03.89 java 21670 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:06.64 java 21671 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:00.00 java 21672 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:33.28 java 21673 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:27.35 java 21674 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:00.00 java 21677 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:00.00 java 21684 root 20 0 3584m 1.2g 9544 S 0.0 7.8 1:05.85 java 21696 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:02.30 java 21699 root 20 0 3584m 1.2g 9544 S 0.0 7.8 12:57.35 java 21700 root 20 0 3584m 1.2g 9544 S 0.0 7.8 2:55.99 java 21701 root 20 0 3584m 1.2g 9544 S 0.0 7.8 4:23.48 java 21703 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:00.00 java 21704 root 20 0 3584m 1.2g 9544 S 0.0 7.8 4:23.17 java 21712 root 20 0 3584m 1.2g 9544 S 0.0 7.8 6:51.52 java 48981 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:00.20 java 10189 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:48.05 java 10190 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:47.88 java 10191 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:48.11 java 10192 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:47.82 java 10193 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:47.75 java 10194 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:47.69 java 10195 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:47.72 java 10196 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:48.26 java 10197 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:47.58 java 10198 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:48.22 java 36693 root 20 0 3584m 1.2g 9544 S 0.0 7.8 1:06.29 java 8913 root 20 0 3584m 1.2g 9544 S 0.0 7.8 1:01.80 java 21314 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:56.88 java 40593 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:04.16 java 40842 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:03.39 java 25602 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:02.41 java 21732 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:00.17 java 21845 root 20 0 3584m 1.2g 9544 S 0.0 7.8 0:00.05 java