Files
cloudpods/pkg/util/procutils/proc.go

39 lines
1.1 KiB
Go

// Copyright 2019 Yunion
//
// 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 procutils
import (
"bytes"
"fmt"
"io/ioutil"
"path/filepath"
"strings"
"yunion.io/x/pkg/errors"
)
func GetProcCmdline(pid uint) ([]string, error) {
pPath := filepath.Join("/proc", fmt.Sprintf("%d", pid), "cmdline")
content, err := ioutil.ReadFile(pPath)
if err != nil {
return nil, errors.Wrapf(err, "ReadFile %q", pPath)
}
return parseProcCmdline(content), nil
}
func parseProcCmdline(content []byte) []string {
return strings.Split(string(bytes.TrimRight(content, string("\x00"))), string(byte(0)))
}