73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
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// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package main
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import (
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"os"
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"flag"
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"fmt"
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"sort"
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"strconv"
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"path/filepath"
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)
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var (
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LIMIT = flag.Int("limit", 20, "limit the number of processes to print")
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REVERSE = flag.Bool("reverse", false, "reverse the list of processes to print")
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HELP = flag.Bool("help", false, "print this help message")
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)
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func init() {
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flag.Parse()
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if *HELP {
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flag.PrintDefaults()
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os.Exit(1)
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}
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}
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func main() {
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var procs []*Proc
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folders, _ := filepath.Glob("/proc/[0-9]*")
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for _, f := range folders {
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pid, err := strconv.Atoi(filepath.Base(f))
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if err == nil {
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procs = append(procs, NewProc(pid))
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}
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}
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sort.Slice(procs, func(i, j int) bool {
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return procs[i].Swap > procs[j].Swap
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})
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procs = procs[:*LIMIT]
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if *REVERSE {
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sort.Slice(procs, func(i, j int) bool {
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return procs[i].Swap < procs[j].Swap
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})
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}
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for _, proc := range procs[:*LIMIT] {
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if proc.Swap == 0 || proc.CmdLine == "" {
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continue
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}
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fmt.Printf("%d kB [%d] %v\n", proc.Swap, proc.Pid, proc.CmdLine)
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}
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}
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