58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
// +build darwin openbsd
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package widgets
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import (
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"fmt"
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"log"
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"os/exec"
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"strconv"
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"strings"
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"github.com/xxxserxxx/gotop/v4/utils"
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)
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const (
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// Define column widths for ps output used in Procs()
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five = "12345"
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ten = five + five
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fifty = ten + ten + ten + ten + ten
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)
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func getProcs() ([]Proc, error) {
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keywords := fmt.Sprintf("pid=%s,comm=%s,pcpu=%s,pmem=%s,args", ten, fifty, five, five)
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output, err := exec.Command("ps", "-caxo", keywords).Output()
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if err != nil {
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return nil, fmt.Errorf("failed to execute 'ps' command: %v", err)
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}
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// converts to []string and removes the header
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linesOfProcStrings := strings.Split(strings.TrimSpace(string(output)), "\n")[1:]
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procs := []Proc{}
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for _, line := range linesOfProcStrings {
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pid, err := strconv.Atoi(strings.TrimSpace(line[0:10]))
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if err != nil {
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log.Printf("failed to convert first field to int: %v. split: %v", err, line)
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}
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cpu, err := strconv.ParseFloat(utils.ConvertLocalizedString(strings.TrimSpace(line[63:68])), 64)
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if err != nil {
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log.Printf("failed to convert third field to float: %v. split: %v", err, line)
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}
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mem, err := strconv.ParseFloat(utils.ConvertLocalizedString(strings.TrimSpace(line[69:74])), 64)
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if err != nil {
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log.Printf("failed to convert fourth field to float: %v. split: %v", err, line)
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}
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proc := Proc{
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Pid: pid,
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CommandName: strings.TrimSpace(line[11:61]),
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CPU: cpu,
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Mem: mem,
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FullCommand: line[74:],
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}
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procs = append(procs, proc)
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}
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return procs, nil
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}
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