46 lines
1.2 KiB
Go
46 lines
1.2 KiB
Go
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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)
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func getProcs() ([]Proc, error) {
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output, err := exec.Command("ps", "-axo", "pid:10,comm:50,pcpu:5,pmem:5,args").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, removing trailing newline and header
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linesOfProcStrings := strings.Split(strings.TrimSuffix(string(output), "\n"), "\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 PID to int: %v. line: %v", err, line)
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}
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cpu, err := strconv.ParseFloat(strings.TrimSpace(line[63:68]), 64)
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if err != nil {
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log.Printf("failed to convert CPU usage to float: %v. line: %v", err, line)
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}
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mem, err := strconv.ParseFloat(strings.TrimSpace(line[69:74]), 64)
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if err != nil {
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log.Printf("failed to convert Mem usage to float: %v. line: %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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FullCommand: line[74:],
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Cpu: cpu,
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Mem: mem,
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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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