hunk.code_window: //      "name": "My Plugin",
   //      "description": "This is my plugin",
   //      "homepage_url": "https://example.com",
   //      "support_url": "https://example.com/support",
   //      "icon_path": "assets/logo.svg",
   //      "version": "0.1.0",
   //      "min_server_version": "5.6.0",
  
hunk.labels: keep keep keep add keep keep keep
hunk.after_edit: //      "release_notes_url": "https://example.com/releases/v0.0.1",
  
hunk.file_path: model/manifest.go
hunk.type: add
file: // Copyright 2018 The Prometheus Authors
  // 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
  
  import (
  	"fmt"
  	"io/ioutil"
  	"os"
  )
  
  // ProcIO models the content of /proc/<pid>/io.
  type ProcIO struct {
  	// Chars read.
  	RChar uint64
  	// Chars written.
  	WChar uint64
  	// Read syscalls.
  	SyscR uint64
  	// Write syscalls.
  	SyscW uint64
  	// Bytes read.
  	ReadBytes uint64
  	// Bytes written.
  	WriteBytes uint64
  	// Bytes written, but taking into account truncation. See
  	// Documentation/filesystems/proc.txt in the kernel sources for
  	// detailed explanation.
  	CancelledWriteBytes int64
  }
  
  // IO creates a new ProcIO instance from a given Proc instance.
  func (p Proc) IO() (ProcIO, error) {
  	pio := ProcIO{}
  
  	f, err := os.Open(p.path("io"))
  	if err != nil {
  		return pio, err
  	}
  	defer f.Close()
  
  	data, err := ioutil.ReadAll(f)
  	if err != nil {
  		return pio, err
  	}
  
  	ioFormat := "rchar: %d\nwchar: %d\nsyscr: %d\nsyscw: %d\n" +
  		"read_bytes: %d\nwrite_bytes: %d\n" +
  		"cancelled_write_bytes: %d\n"
  
  	_, err = fmt.Sscanf(string(data), ioFormat, &pio.RChar, &pio.WChar, &pio.SyscR,
  		&pio.SyscW, &pio.ReadBytes, &pio.WriteBytes, &pio.CancelledWriteBytes)
  
  	return pio, err
  }
  