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Marcel Kloubert
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| Original file line number | Diff line number | Diff line change |
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@@ -29,6 +29,7 @@ | |
| - [List aliases](#list-aliases-) | ||
| - [List executables](#list-executables-) | ||
| - [List projects](#list-projects-) | ||
| - [Monitor process](#monitor-process-) | ||
| - [New project](#new-project-) | ||
| - [Open alias](#open-alias-) | ||
| - [Open project](#open-project-) | ||
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@@ -341,6 +342,10 @@ mkloubert | |
| [email protected]:mkloubert/mkloubert.git | ||
| ``` | ||
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| #### Monitor process [<a href="#commands-">↑</a>] | ||
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|  | ||
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| #### New project [<a href="#commands-">↑</a>] | ||
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| `gpm new <project>` is designed to setup a project via an alias defined with [Add project](#add-project-) command. | ||
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@@ -644,5 +649,7 @@ The project is licensed under the [MIT](./LICENSE). | |
| - [go-version](https://github.com/hashicorp/go-version) by [HashiCorp](https://github.com/hashicorp) | ||
| - [go-yaml](https://github.com/goccy/go-yaml) by [Masaaki Goshima](https://github.com/sponsors/goccy) | ||
| - [godotenv](https://github.com/joho/godotenv) by [John Barton](https://github.com/joho) | ||
| - [gopsutil](https://github.com/shirou/gopsutil) by [shirou](https://github.com/sponsors/shirou) | ||
| - [progressbar](https://github.com/schollz/progressbar) by [Zack](https://github.com/sponsors/schollz) | ||
| - [spinner](https://github.com/sponsors/briandowns) by [Brian Downs](https://github.com/sponsors/briandowns) | ||
| - [termui](https://github.com/gizak/termui) by [Zack Guo](https://github.com/gizak) | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,248 @@ | ||
| // MIT License | ||
| // | ||
| // Copyright (c) 2024 Marcel Joachim Kloubert (https://marcel.coffee) | ||
| // | ||
| // 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. | ||
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| package commands | ||
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| import ( | ||
| "fmt" | ||
| "log" | ||
| "strconv" | ||
| "strings" | ||
| "time" | ||
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| "github.com/spf13/cobra" | ||
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| "github.com/shirou/gopsutil/v3/mem" | ||
| "github.com/shirou/gopsutil/v3/process" | ||
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| ui "github.com/gizak/termui/v3" | ||
| "github.com/gizak/termui/v3/widgets" | ||
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| "github.com/mkloubert/go-package-manager/types" | ||
| "github.com/mkloubert/go-package-manager/utils" | ||
| ) | ||
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| func Init_Monitor_Command(parentCmd *cobra.Command, app *types.AppContext) { | ||
| var cpuDataSize int | ||
| var cpuZoom float64 | ||
| var interval int | ||
| var memDataSize int | ||
| var memZoom float64 | ||
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| var monitorCmd = &cobra.Command{ | ||
| Use: "monitor [pid or name]", | ||
| Aliases: []string{"mon"}, | ||
| Args: cobra.MinimumNArgs(1), | ||
| Short: "Monitor process", | ||
| Long: `Monitors a process by PID or its name.`, | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| processes, err := process.Processes() | ||
| utils.CheckForError(err) | ||
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| pidOrName := strings.TrimSpace( | ||
| strings.ToLower(args[0]), | ||
| ) | ||
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| var processToMonitor *process.Process | ||
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| i64Val, err := strconv.ParseInt(pidOrName, 10, 32) | ||
| if err == nil { | ||
| // valid number, search by name | ||
| pid := int32(i64Val) | ||
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| for _, p := range processes { | ||
| if p.Pid == pid { | ||
| processToMonitor = p | ||
| break | ||
| } | ||
| } | ||
| } else { | ||
| matchingProcesses := []*process.Process{} | ||
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| for _, p := range processes { | ||
| name, err := p.Name() | ||
| if err != nil { | ||
| continue | ||
| } | ||
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| lowerName := strings.TrimSpace( | ||
| strings.ToLower(name), | ||
| ) | ||
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| shouldAddProcess := true | ||
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| for _, part := range args { | ||
| lowerPart := strings.ToLower(part) | ||
| if !strings.Contains(lowerName, lowerPart) { | ||
| shouldAddProcess = false | ||
| break | ||
| } | ||
| } | ||
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| if shouldAddProcess { | ||
| matchingProcesses = append(matchingProcesses, p) | ||
| } | ||
| } | ||
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| matchingProcessesCount := len(matchingProcesses) | ||
| if matchingProcessesCount == 1 { | ||
| processToMonitor = matchingProcesses[0] | ||
| } else if matchingProcessesCount > 1 { | ||
| utils.CloseWithError(fmt.Errorf("found %v matching process", matchingProcessesCount)) | ||
| } | ||
| } | ||
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| if processToMonitor == nil { | ||
| utils.CloseWithError(fmt.Errorf("process %v not found", pidOrName)) | ||
| } | ||
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| if err := ui.Init(); err != nil { | ||
| log.Fatalf("failed to initialize termui: %v", err) | ||
| } | ||
| defer ui.Close() | ||
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| // data | ||
| cpuData := []float64{0} | ||
| memData := []float64{0} | ||
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| // CPU diagram | ||
| slCpu := widgets.NewSparkline() | ||
| slCpu.Data = cpuData | ||
| slCpu.MaxVal = 100 / cpuZoom | ||
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| // memory diagram | ||
| slMem := widgets.NewSparkline() | ||
| slMem.Data = memData | ||
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| vMem, err := mem.VirtualMemory() | ||
| if err == nil { | ||
| slMem.MaxVal = float64(vMem.Total) / memZoom | ||
| } | ||
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| rerender := func() { | ||
| currentCpu := cpuData[0] | ||
| currentMem := memData[0] | ||
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| processName, _ := processToMonitor.Name() | ||
| processPid := processToMonitor.Pid | ||
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| termWidth, termHeight := ui.TerminalDimensions() | ||
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| grid := ui.NewGrid() | ||
| grid.SetRect(0, 3, termWidth, termHeight) | ||
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| pTitle := widgets.NewParagraph() | ||
| pTitle.Text = fmt.Sprintf("%v (%v)", processName, processPid) | ||
| pTitle.SetRect(0, 0, termWidth, 3) | ||
| pTitle.Border = true | ||
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| // create a sparkline group from CPU widgets | ||
| slgCpu := widgets.NewSparklineGroup(slCpu) | ||
| slgCpu.Title = fmt.Sprintf( | ||
| "CPU %.2f%% (%.1fx)", | ||
| currentCpu, cpuZoom, | ||
| ) | ||
| slgCpu.SetRect(0, 0, termWidth, termHeight-3) | ||
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| // create a sparkline group from memory widgets | ||
| slgMem := widgets.NewSparklineGroup(slMem) | ||
| slgMem.Title = fmt.Sprintf( | ||
| "MEM %vMB / %vMB (%.1fx)", | ||
| fmt.Sprintf("%.2f", currentMem/1024.0/1024.0), | ||
| fmt.Sprintf("%.2f", float64(vMem.Total)/1024.0/1024.0), | ||
| memZoom, | ||
| ) | ||
| slgMem.SetRect(0, 0, termWidth, termHeight-3) | ||
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| // create grid ... | ||
| grid.Set( | ||
| // with 1 row | ||
| ui.NewRow(1, | ||
| // and 2 columns | ||
| // with 50%/50% size | ||
| ui.NewCol(1.0/2, slgCpu), | ||
| ui.NewCol(1.0/2, slgMem), | ||
| ), | ||
| ) | ||
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| // render whole UI | ||
| ui.Render(pTitle, grid) | ||
| } | ||
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| shouldRun := true | ||
| go func() { | ||
| for shouldRun { | ||
| // wait before continue | ||
| time.Sleep(time.Duration(interval) * time.Millisecond) | ||
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| // memory usage | ||
| memInfo, err := processToMonitor.MemoryInfo() | ||
| if err == nil { | ||
| memData = append([]float64{float64(memInfo.RSS)}, memData...) | ||
| } else { | ||
| memData = append([]float64{-1}, memData...) | ||
| } | ||
| memData = utils.EnsureMaxSliceLength(memData, memDataSize) | ||
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| // CPU usage | ||
| cpuPercent, err := processToMonitor.CPUPercent() | ||
| if err == nil { | ||
| cpuData = append([]float64{cpuPercent}, cpuData...) | ||
| } else { | ||
| cpuData = append([]float64{-1}, cpuData...) | ||
| } | ||
| cpuData = utils.EnsureMaxSliceLength(cpuData, cpuDataSize) | ||
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| // update data ... | ||
| utils.UpdateUsageSparkline(slMem, memData) | ||
| utils.UpdateUsageSparkline(slCpu, cpuData) | ||
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| // .. before rerender | ||
| rerender() | ||
| } | ||
| }() | ||
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| rerender() // initial rendering | ||
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| uiEvents := ui.PollEvents() | ||
| for { | ||
| e := <-uiEvents | ||
| switch e.ID { | ||
| case "q", "<C-c>": | ||
| // CTRL + C | ||
| shouldRun = false | ||
| return | ||
| } | ||
| } | ||
| }, | ||
| } | ||
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| monitorCmd.Flags().IntVarP(&cpuDataSize, "cpu-data-size", "", 360, "custom size of maximum data items for CPU sparkline") | ||
| monitorCmd.Flags().Float64VarP(&cpuZoom, "cpu-zoom", "", 1.0, "zoom factor for CPU sparkline") | ||
| monitorCmd.Flags().IntVarP(&interval, "interval", "", 500, "time in milliseconds for the update interval") | ||
| monitorCmd.Flags().IntVarP(&memDataSize, "mem-data-size", "", 360, "custom size of maximum data items for mem sparkline") | ||
| monitorCmd.Flags().Float64VarP(&memZoom, "mem-zoom", "", 1.0, "zoom factor for mem sparkline") | ||
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| parentCmd.AddCommand( | ||
| monitorCmd, | ||
| ) | ||
| } |
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