当CPU旋转和退出程序的堆栈跟时，找出node进程是否受阻

当CPU旋转和退出程序的堆栈跟时，找出node进程是否受阻

block-trace

Figure out if your node process is blocked because the CPU is spinning and exit the program with a stack trace if that is the case.

Useful for debugging unresponsive servers.

npm install -g block-trace

Usage

Giving the following example program

console.log('Waiting 1s ...')setTimeout(function () { console.log('Spinning the CPU now!') while (1) {}}, 1000)

If you run this with block-trace by doing the following

block-trace node example.js

After 1s the program will exit with the following output

Waiting 1s ...Spinning the CPU now!Error: CPU is blocked at /Users/maf/dev/node_modules/block-trace/example.js:5:10 at Timer.listOnTimeout (timers.js:92:15)

License

MIT

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