http://docs.oracle.com/javase/6/docs/technotes/guides/vm/dtrace.html http://docs.oracle.com/javase/7/docs/technotes/guides/vm/dtrace.html http://docs.oracle.com/javase/8/docs/technotes/guides/vm/dtrace.html Overview The hotspot Provider VM Lifecycle…
JVM线程的栈默认大小,oracle官网有简单描述: In Java SE 6, the default on Sparc is 512k in the 32-bit VM, and 1024k in the 64-bit VM. On x86 Solaris/Linux it is 320k in the 32-bit VM and 1024k in the 64-bit VM. On Windows, the default thread stack size is read from th…
By cj on Dec 06, 2012 The powerful DTrace tracing facility has some PHP-specific probes that can be enabled with --enable-dtrace. DTrace for Linux is being created by Oracle and is currently in tech preview. Currently it doesn't support userspace t…
Unable to open socket file: target process not responding or HotSpot VM not loaded The -F option can be used when the target process is not responding 在用jstack工具查看jvm线程的运行情况时出现上述错误.就是因为该进程长时间没有启停,在/tmp/hsperfdata_'username'/文件夹下的该进程文件被Linux自身的机制(tm…