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process-cpu-load

Cpu load of own process

var Observer = require('process-cpu-usage').Observer;

/**
 * Creating observer
 * {Object} options
 * <p>  @prop {Array} [intervals_s] Intrvals in second for avg load
 * <p>  @prop {Object} [states_pct] Named states in percent of cpu load
 */
var observer = new Observer({
    intervals_s: [60, 180, 300],
    states_pct: {
        overload: 100,
        heavy: 90,
        load: 80,
        work: 30,
        idle: 0
    }
});

observer.isStarted; // started or not

observer.state; // state name for last second
observer.load_pct; // load in percent for last second

observer.interval.pct_60;  // avg load in percent for last 60 sec
observer.interval.pct_180; // avg load in percent for last 60 sec
observer.interval.pct_300; // avg load in percent for last 60 sec

observer.interval.state_60;  // state for last 60 second avg load (if states_pct exists in config)
observer.interval.state_180; // state for last 180 second avg load (if states_pct exists in config)
observer.interval.state_300; // state for last 300 second avg load (if states_pct exists in config)

observer.on('interval', function(interval_s, load_pct, [state])); // emits every any interval
observer.on('interval:60', function(load_pct, [state]){}); // emits every 60 sec
observer.on('interval:180', function(load_pct, [state]){}); // emits every 180 sec
observer.on('interval:300', function(load_pct, [state]){}); // emits every 300 sec

observer.on('state', function(stateName){}); // emits every change state
observer.on('state:idle', function(){});
observer.on('state:work', function(){});
observer.on('state:load', function(){});
observer.on('state:heavy', function(){});
observer.on('state:overload', function(){});

observer.on('load', function(load_pct){});  // emits ~ every second

observer.start();
observer.stop();

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