java cpu profiling

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Java get CPU serial number and Nic MAC address __java

Turn from: http://dev2dev.bea.com.cn/bbs/thread.jspa?forumID=124threadID=28320messageID=171767 Java obtains the CPU serial number and the network card MAC address /* Using the commands of the runtime call operating system, the specific commands depend on the different operating systems, and do not invoke the Runtime.getruntime (). EXEC (String) interface to use Runtime.getruntime (). EXEC ( String[]) This i

Analyzing which thread in the Java process consumes a lot of CPU processing time

Here are the detailed steps:1. First determine the ID of the process, you can use the jps-v or the top command to view directly2. To see which thread in the process is consuming a large number of CPUs, execute Top-h-p [PID] results as follows:You can find a total of 9 threads numbered 350xx occupy 100% of the CPU, OK, next we take a random thread ID, suppose we want to see the number 35053 this thread.First turn 35053 into 16 binary is 88ED (can be co

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