forked from cerc-io/plugeth
e7067be94f
* cmd/geth, mobile: add memsize to pprof server This is a temporary change, to be reverted before the next release. * cmd/geth: fix variable name
107 lines
2.2 KiB
Go
107 lines
2.2 KiB
Go
package memsizeui
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import (
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"html/template"
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"strconv"
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"sync"
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"github.com/fjl/memsize"
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)
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var (
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base *template.Template // the "base" template
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baseInitOnce sync.Once
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)
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func baseInit() {
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base = template.Must(template.New("base").Parse(`<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>memsize</title>
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<style>
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body {
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font-family: sans-serif;
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}
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button, .button {
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display: inline-block;
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font-weight: bold;
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color: black;
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text-decoration: none;
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font-size: inherit;
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padding: 3pt;
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margin: 3pt;
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background-color: #eee;
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border: 1px solid #999;
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border-radius: 2pt;
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}
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form.inline {
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display: inline-block;
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}
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</style>
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</head>
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<body>
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{{template "content" .}}
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</body>
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</html>`))
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base.Funcs(template.FuncMap{
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"quote": strconv.Quote,
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"humansize": memsize.HumanSize,
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})
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template.Must(base.New("rootbuttons").Parse(`
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<a class="button" href="{{$.Link ""}}">Overview</a>
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{{- range $root := .Roots -}}
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<form class="inline" method="POST" action="{{$.Link "scan?root=" $root}}">
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<button type="submit">Scan {{quote $root}}</button>
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</form>
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{{- end -}}`))
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}
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func contentTemplate(source string) *template.Template {
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baseInitOnce.Do(baseInit)
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t := template.Must(base.Clone())
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template.Must(t.New("content").Parse(source))
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return t
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}
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var rootTemplate = contentTemplate(`
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<h1>Memsize</h1>
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{{template "rootbuttons" .}}
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<hr/>
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<h3>Reports</h3>
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<ul>
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{{range .Reports}}
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<li><a href="{{printf "%d" | $.Link "report/"}}">{{quote .RootName}} @ {{.Date}}</a></li>
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{{else}}
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No reports yet, hit a scan button to create one.
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{{end}}
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</ul>
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`)
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var notFoundTemplate = contentTemplate(`
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<h1>{{.Data}}</h1>
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{{template "rootbuttons" .}}
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`)
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var reportTemplate = contentTemplate(`
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{{- $report := .Data -}}
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<h1>Memsize Report {{$report.ID}}</h1>
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<form method="POST" action="{{$.Link "scan?root=" $report.RootName}}">
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<a class="button" href="{{$.Link ""}}">Overview</a>
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<button type="submit">Scan Again</button>
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</form>
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<pre>
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Root: {{quote $report.RootName}}
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Date: {{$report.Date}}
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Duration: {{$report.Duration}}
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Bitmap Size: {{$report.Sizes.BitmapSize | humansize}}
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Bitmap Utilization: {{$report.Sizes.BitmapUtilization}}
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</pre>
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<hr/>
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<pre>
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{{$report.Sizes.Report}}
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</pre>
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`)
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