Signal Profiler

Attach a listener to a SIGPIPE signal, that will trigger v8-profiler snapshot.

Installation

npm install --save signal-profiler

Usage

import signalProfiler from 'signal-profiler'

// attach profiler
signalProfiler()

OR

var signalProfiler = require('signal-profiler')

// attach profiler
signalProfiler()

The console will show this:

#profiler - active: "kill -s SIGPIPE ${PID}"

Run the command (kill -s SIGPIPE ${PID}) to save a snapshot.

#profiler - signal SIGPIPE received
#profiler - snapshot saved at 2016_10_03_03_44_10.heapsnapshot

Options

signalProfiler({
  // folder to save the snapshot
  snapshotPath: `.`
})

• process.env.SNAPSHOT_PATH: same as snapshotPath