initial commit
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ccf383db09
4 changed files with 142 additions and 0 deletions
10
Makefile
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10
Makefile
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@ -0,0 +1,10 @@
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all: build
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build: statusline.go
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go build statusline.go
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run:
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go run statusline.go
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install:
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go build -o ~/bin/statusline statusline.go
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5
go.mod
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5
go.mod
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@ -0,0 +1,5 @@
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module go.fanir.de/statusline
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go 1.15
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require github.com/shirou/gopsutil/v3 v3.20.10
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19
go.sum
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19
go.sum
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@ -0,0 +1,19 @@
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github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUWq3EgK3CesDbo8upS2Vm9/P3FtgI+Jk=
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github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
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github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI=
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github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/shirou/gopsutil/v3 v3.20.10 h1:7zomV9HJv6UGk225YtvEa5+camNLpbua3MAz/GqiVJY=
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github.com/shirou/gopsutil/v3 v3.20.10/go.mod h1:igHnfak0qnw1biGeI2qKQvu0ZkwvEkUcCLlYhZzdr/4=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
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github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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golang.org/x/sys v0.0.0-20201024232916-9f70ab9862d5 h1:iCaAy5bMeEvwANu3YnJfWwI0kWAGkEa2RXPdweI/ysk=
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golang.org/x/sys v0.0.0-20201024232916-9f70ab9862d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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108
statusline.go
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108
statusline.go
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package main
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import (
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"fmt"
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"os"
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"runtime"
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"strconv"
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"time"
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"github.com/shirou/gopsutil/v3/load"
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"github.com/shirou/gopsutil/v3/mem"
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)
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const warnFormat = "#[bg=colour208]"
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var binarySuffixes = []string{"B", "KiB", "MiB", "GiB", "TiB"}
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const binaryFactor = 1024
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func HBin(a uint64, precision int) string {
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f := float64(a)
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var suffix string
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for _, suffix = range binarySuffixes {
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if f < binaryFactor {
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break
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}
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f /= binaryFactor
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}
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return fmt.Sprintf("%.*f%s", precision, f, suffix)
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}
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func usage() {
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fmt.Fprintln(os.Stderr, "Usage:", os.Args[0], "<window_width>")
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os.Exit(2)
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}
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func printLoad(precision int) {
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l, err := load.Avg()
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if err != nil {
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panic(err) // fixme
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}
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if l.Load1 > float64(runtime.NumCPU()) {
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fmt.Print(warnFormat)
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}
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fmt.Printf("[%.[1]*[2]f %.[1]*[3]f %.[1]*[4]f]",
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precision, l.Load1, l.Load5, l.Load15)
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}
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func printMem(absolute, percent bool) {
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if !(absolute || percent) {
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return
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}
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v, err := mem.VirtualMemory()
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if err != nil {
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panic(err) //fixme
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}
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if v.UsedPercent > 90 {
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fmt.Print(warnFormat, "[")
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} else {
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fmt.Print("#[default][")
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}
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if absolute {
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fmt.Printf("%s/%s", HBin(v.Used, 1), HBin(v.Total, 1))
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if percent {
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fmt.Print(" ")
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}
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}
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if percent {
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fmt.Printf("%.0f%%", v.UsedPercent)
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}
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fmt.Print("]")
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}
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func printTime(format string) {
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now := time.Now()
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fmt.Print(now.Format("#[default]" + format))
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}
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func main() {
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if len(os.Args) != 2 {
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usage()
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}
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cols, err := strconv.Atoi(os.Args[1])
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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usage()
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}
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if cols >= 150 {
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printLoad(2)
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printMem(true, true)
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printTime(" Mon 2006-01-02 15:04")
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} else if cols >= 120 {
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printLoad(2)
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printMem(false, true)
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printTime(" 15:04")
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} else if cols >= 100 {
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printLoad(0)
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printMem(false, true)
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printTime(" 15:04")
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} else if cols >= 80 {
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printTime("15:04")
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}
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}
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