Java Thread &Memory Note

top -p pid -H  see jvm thread on linux.I read the source of the jvm,and found jvm create threads  using NPTL under Linux2.6+.

pstree pid  see stat jvm count of thread.

 

jmap -histo vmid | jmap -histo:live vmid

jstack vmid

 

nmon_x86_64_rhel54 -f -t -s 10 -c 1000

 

 

 

Bookmark:

Virtual VM http://www.longtask.com/blog/?p=465

JConsole http://simpleframework.net/blog/v/16528.html

JAVA 进程异常高的 CPU 占用率 http://blog.csdn.net/subchen/article/details/5801072

Java多线程编程总结 http://lavasoft.blog.51cto.com/62575/27069

Linux基础(7)-linux管理监控(pstree,top) http://www.lifeba.org/arch/linux_pstree_top.html

top命令中的交互命令，shift+p按CPU排序，shift+m按内存使用排序，shift+t 按CPU用时排序，shift+n按PID排序   http://blog.163.com/xychenbaihu@yeah/blog/static/1322296552012017105732762/

java:找出占用CPU资源最多的那个线程(HOW TO)  http://wenyue.me/blog/382

java 中关于信号的处理在linux下的实现  http://blog.csdn.net/raintungli/article/details/7178472