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Diffstat (limited to 'libpod/info.go')
-rw-r--r--libpod/info.go11
1 files changed, 5 insertions, 6 deletions
diff --git a/libpod/info.go b/libpod/info.go
index 321680a81..bc49a6cc9 100644
--- a/libpod/info.go
+++ b/libpod/info.go
@@ -406,26 +406,25 @@ func getCPUUtilization() (*define.CPUUsage, error) {
}
defer f.Close()
scanner := bufio.NewScanner(f)
- // Read firt line of /proc/stat
+ // Read first line of /proc/stat that has entries for system ("cpu" line)
for scanner.Scan() {
break
}
// column 1 is user, column 3 is system, column 4 is idle
- stats := strings.Split(scanner.Text(), " ")
+ stats := strings.Fields(scanner.Text())
return statToPercent(stats)
}
func statToPercent(stats []string) (*define.CPUUsage, error) {
- // There is always an extra space between cpu and the first metric
- userTotal, err := strconv.ParseFloat(stats[2], 64)
+ userTotal, err := strconv.ParseFloat(stats[1], 64)
if err != nil {
return nil, errors.Wrapf(err, "unable to parse user value %q", stats[1])
}
- systemTotal, err := strconv.ParseFloat(stats[4], 64)
+ systemTotal, err := strconv.ParseFloat(stats[3], 64)
if err != nil {
return nil, errors.Wrapf(err, "unable to parse system value %q", stats[3])
}
- idleTotal, err := strconv.ParseFloat(stats[5], 64)
+ idleTotal, err := strconv.ParseFloat(stats[4], 64)
if err != nil {
return nil, errors.Wrapf(err, "unable to parse idle value %q", stats[4])
}