// Copyright 2014 Prometheus Team// Licensed under the Apache License, Version 2.0 (the "License");// you may not use this file except in compliance with the License.// You may obtain a copy of the License at//// http://www.apache.org/licenses/LICENSE-2.0//// Unless required by applicable law or agreed to in writing, software// distributed under the License is distributed on an "AS IS" BASIS,// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.// See the License for the specific language governing permissions and// limitations under the License. // Package procfs provides functions to retrieve system, kernel and process// metrics from the pseudo-filesystem proc.//// Example:////    package main////    import (//    	"fmt"//    	"log"////    	"github.com/prometheus/procfs"//    )////    func main() {//    	p, err := procfs.Self()//    	if err != nil {//    		log.Fatalf("could not get process: %s", err)//    	}////    	stat, err := p.NewStat()//    	if err != nil {//    		log.Fatalf("could not get process stat: %s", err)//    	}////    	fmt.Printf("command:  %s\n", stat.Comm)//    	fmt.Printf("cpu time: %fs\n", stat.CPUTime())//    	fmt.Printf("vsize:    %dB\n", stat.VirtualMemory())//    	fmt.Printf("rss:      %dB\n", stat.ResidentMemory())//    }//package procfs