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This commit is contained in:
Brian Brazil 2014-06-06 10:53:40 +01:00
parent 062443133e
commit 09a3de1669
1 changed files with 8 additions and 2 deletions
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10
collector/stat.go
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@ -11,6 +11,11 @@ import (
"github.com/prometheus/client_golang/prometheus" "github.com/prometheus/client_golang/prometheus"
) )
/*
#include <unistd.h>
*/
import "C"
const ( const (
procStat = "/proc/stat" procStat = "/proc/stat"
) )
@ -99,7 +104,7 @@ func (c *statCollector) Update() (updates int, err error) {
parts := strings.Fields(scanner.Text()) parts := strings.Fields(scanner.Text())
switch { switch {
case strings.HasPrefix(parts[0], "cpu"): case strings.HasPrefix(parts[0], "cpu"):
// Export only per-cpu stats, it can be aggregted up in prometheus. // Export only per-cpu stats, it can be aggregated up in prometheus.
if parts[0] == "cpu" { if parts[0] == "cpu" {
break break
} }
@ -110,7 +115,8 @@ func (c *statCollector) Update() (updates int, err error) {
if err != nil { if err != nil {
return updates, err return updates, err
} }
value /= 100 // Convert from ticks to seconds // Convert from ticks to seconds
value /= float64(C.sysconf(C._SC_CLK_TCK))
cpuMetrics.Set(map[string]string{"cpu": parts[0], "mode": cpuFields[i]}, value) cpuMetrics.Set(map[string]string{"cpu": parts[0], "mode": cpuFields[i]}, value)
} }
case parts[0] == "intr": case parts[0] == "intr":