[chore]: Bump github.com/KimMachineGun/automemlimit from 0.2.4 to 0.2.5 (#1666)

Bumps [github.com/KimMachineGun/automemlimit](https://github.com/KimMachineGun/automemlimit) from 0.2.4 to 0.2.5.
- [Release notes](https://github.com/KimMachineGun/automemlimit/releases)
- [Commits](https://github.com/KimMachineGun/automemlimit/compare/v0.2.4...v0.2.5)

---
updated-dependencies:
- dependency-name: github.com/KimMachineGun/automemlimit
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
This commit is contained in:
dependabot[bot] 2023-04-03 11:16:17 +02:00 committed by GitHub
commit 57dc742c76
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
200 changed files with 16392 additions and 38190 deletions

View file

@ -0,0 +1,129 @@
/*
Copyright The containerd 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 cgroup1
import (
"bufio"
"fmt"
"os"
"path/filepath"
"strconv"
"strings"
v1 "github.com/containerd/cgroups/v3/cgroup1/stats"
)
const nanosecondsInSecond = 1000000000
var clockTicks = getClockTicks()
func NewCpuacct(root string) *cpuacctController {
return &cpuacctController{
root: filepath.Join(root, string(Cpuacct)),
}
}
type cpuacctController struct {
root string
}
func (c *cpuacctController) Name() Name {
return Cpuacct
}
func (c *cpuacctController) Path(path string) string {
return filepath.Join(c.root, path)
}
func (c *cpuacctController) Stat(path string, stats *v1.Metrics) error {
user, kernel, err := c.getUsage(path)
if err != nil {
return err
}
total, err := readUint(filepath.Join(c.Path(path), "cpuacct.usage"))
if err != nil {
return err
}
percpu, err := c.percpuUsage(path)
if err != nil {
return err
}
stats.CPU.Usage.Total = total
stats.CPU.Usage.User = user
stats.CPU.Usage.Kernel = kernel
stats.CPU.Usage.PerCPU = percpu
return nil
}
func (c *cpuacctController) percpuUsage(path string) ([]uint64, error) {
var usage []uint64
data, err := os.ReadFile(filepath.Join(c.Path(path), "cpuacct.usage_percpu"))
if err != nil {
return nil, err
}
for _, v := range strings.Fields(string(data)) {
u, err := strconv.ParseUint(v, 10, 64)
if err != nil {
return nil, err
}
usage = append(usage, u)
}
return usage, nil
}
func (c *cpuacctController) getUsage(path string) (user uint64, kernel uint64, err error) {
statPath := filepath.Join(c.Path(path), "cpuacct.stat")
f, err := os.Open(statPath)
if err != nil {
return 0, 0, err
}
defer f.Close()
var (
raw = make(map[string]uint64)
sc = bufio.NewScanner(f)
)
for sc.Scan() {
key, v, err := parseKV(sc.Text())
if err != nil {
return 0, 0, err
}
raw[key] = v
}
if err := sc.Err(); err != nil {
return 0, 0, err
}
for _, t := range []struct {
name string
value *uint64
}{
{
name: "user",
value: &user,
},
{
name: "system",
value: &kernel,
},
} {
v, ok := raw[t.name]
if !ok {
return 0, 0, fmt.Errorf("expected field %q but not found in %q", t.name, statPath)
}
*t.value = v
}
return (user * nanosecondsInSecond) / clockTicks, (kernel * nanosecondsInSecond) / clockTicks, nil
}