-
Notifications
You must be signed in to change notification settings - Fork 213
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge branch 'selector-signal-loss' of github.com:yuandrew/sdk-go int…
…o selector-signal-loss
- Loading branch information
Showing
25 changed files
with
505 additions
and
136 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,161 @@ | ||
| // The MIT License | ||
| // | ||
| // Copyright (c) 2020 Temporal Technologies Inc. All rights reserved. | ||
| // | ||
| // Copyright (c) 2020 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| //go:build linux | ||
|
|
||
| package resourcetuner | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "io/fs" | ||
| "os" | ||
| "strconv" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/containerd/cgroups/v3/cgroup2" | ||
| "github.com/containerd/cgroups/v3/cgroup2/stats" | ||
| ) | ||
|
|
||
| func newCGroupInfo() cGroupInfo { | ||
| return &cGroupInfoImpl{} | ||
| } | ||
|
|
||
| type cGroupInfoImpl struct { | ||
| lastCGroupMemStat *stats.MemoryStat | ||
| cgroupCpuCalc cgroupCpuCalc | ||
| } | ||
|
|
||
| func (p *cGroupInfoImpl) Update() (bool, error) { | ||
| err := p.updateCGroupStats() | ||
| // Stop updates if not in a container. No need to return the error and log it. | ||
| if !errors.Is(err, fs.ErrNotExist) { | ||
| return false, nil | ||
| } else if err != nil { | ||
| return true, err | ||
| } | ||
| return true, nil | ||
| } | ||
|
|
||
| func (p *cGroupInfoImpl) GetLastMemUsage() float64 { | ||
| if p.lastCGroupMemStat != nil { | ||
| return float64(p.lastCGroupMemStat.Usage) / float64(p.lastCGroupMemStat.UsageLimit) | ||
| } | ||
| return 0 | ||
| } | ||
|
|
||
| func (p *cGroupInfoImpl) GetLastCPUUsage() float64 { | ||
| return p.cgroupCpuCalc.lastCalculatedPercent | ||
| } | ||
|
|
||
| func (p *cGroupInfoImpl) updateCGroupStats() error { | ||
| control, err := cgroup2.Load("/") | ||
| if err != nil { | ||
| return fmt.Errorf("failed to get cgroup mem stats %v", err) | ||
| } | ||
| metrics, err := control.Stat() | ||
| if err != nil { | ||
| return fmt.Errorf("failed to get cgroup mem stats %v", err) | ||
| } | ||
| // Only update if a limit has been set | ||
| if metrics.Memory.UsageLimit != 0 { | ||
| p.lastCGroupMemStat = metrics.Memory | ||
| } | ||
|
|
||
| err = p.cgroupCpuCalc.updateCpuUsage(metrics) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to get cgroup cpu usage %v", err) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| type cgroupCpuCalc struct { | ||
| lastRefresh time.Time | ||
| lastCpuUsage uint64 | ||
| lastCalculatedPercent float64 | ||
| } | ||
|
|
||
| func (p *cgroupCpuCalc) updateCpuUsage(metrics *stats.Metrics) error { | ||
| // Read CPU quota and period from cpu.max | ||
| cpuQuota, cpuPeriod, err := readCpuMax("/sys/fs/cgroup/cpu.max") | ||
| // We might simply be in a container with an unset cpu.max in which case we don't want to error | ||
| if err == nil { | ||
| // CPU usage calculation based on delta | ||
| currentCpuUsage := metrics.CPU.UsageUsec | ||
| now := time.Now() | ||
|
|
||
| if p.lastCpuUsage == 0 || p.lastRefresh.IsZero() { | ||
| p.lastCpuUsage = currentCpuUsage | ||
| p.lastRefresh = now | ||
| return nil | ||
| } | ||
|
|
||
| // Time passed between this and last check | ||
| timeDelta := now.Sub(p.lastRefresh).Microseconds() // Convert to microseconds | ||
|
|
||
| // Calculate CPU usage percentage based on the delta | ||
| cpuUsageDelta := float64(currentCpuUsage - p.lastCpuUsage) | ||
|
|
||
| if cpuQuota > 0 { | ||
| p.lastCalculatedPercent = cpuUsageDelta * float64(cpuPeriod) / float64(cpuQuota*timeDelta) | ||
| } | ||
|
|
||
| // Update for next call | ||
| p.lastCpuUsage = currentCpuUsage | ||
| p.lastRefresh = now | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // readCpuMax reads the cpu.max file to get the CPU quota and period | ||
| func readCpuMax(path string) (quota int64, period int64, err error) { | ||
| data, err := os.ReadFile(path) | ||
| if err != nil { | ||
| return 0, 0, err | ||
| } | ||
| parts := strings.Fields(string(data)) | ||
| if len(parts) != 2 { | ||
| return 0, 0, errors.New("invalid format in cpu.max") | ||
| } | ||
|
|
||
| // Parse the quota (first value) | ||
| if parts[0] == "max" { | ||
| quota = 0 // Unlimited quota | ||
| } else { | ||
| quota, err = strconv.ParseInt(parts[0], 10, 64) | ||
| if err != nil { | ||
| return 0, 0, err | ||
| } | ||
| } | ||
|
|
||
| // Parse the period (second value) | ||
| period, err = strconv.ParseInt(parts[1], 10, 64) | ||
| if err != nil { | ||
| return 0, 0, err | ||
| } | ||
|
|
||
| return quota, period, nil | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| // The MIT License | ||
| // | ||
| // Copyright (c) 2020 Temporal Technologies Inc. All rights reserved. | ||
| // | ||
| // Copyright (c) 2020 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| //go:build !linux | ||
|
|
||
| package resourcetuner | ||
|
|
||
| import "errors" | ||
|
|
||
| func newCGroupInfo() cGroupInfo { | ||
| return &cGroupInfoImpl{} | ||
| } | ||
|
|
||
| type cGroupInfoImpl struct { | ||
| } | ||
|
|
||
| func (p *cGroupInfoImpl) Update() (bool, error) { | ||
| return false, errors.New("cgroup is not supported on this platform") | ||
| } | ||
|
|
||
| func (p *cGroupInfoImpl) GetLastMemUsage() float64 { | ||
| return 0 | ||
| } | ||
|
|
||
| func (p *cGroupInfoImpl) GetLastCPUUsage() float64 { | ||
| return 0 | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.