add constant

DataDog · Dec 2, 2020 · b9ca4c0 · b9ca4c0
1 parent e675025
commit b9ca4c0
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/pkg/trace/watchdog/cpu_aix.go b/pkg/trace/watchdog/cpu_aix.go
@@ -89,6 +89,7 @@ import (
 
 // As explained above, we will skip 120 bytes into the status file to locate the user CPU time.
 const skip = 120
+const nsecs_per_sec = 1000000000
 
 func cpuTimeUser(pid int32) (float64, error) {
 	f, err := os.Open(fmt.Sprintf("/proc/%d/status", pid))
@@ -101,6 +102,6 @@ func cpuTimeUser(pid int32) (float64, error) {
 	var userNsecs int32
 	binary.Read(f, binary.BigEndian, &userSecs)
 	binary.Read(f, binary.BigEndian, &userNsecs)
-	time := float64(userSecs) + (float64(userNsecs) / 1000000000)
+	time := float64(userSecs) + (float64(userNsecs) / nsecs_per_sec)
 	return time, nil
 }