Merge remote-tracking branch 'lp-Com/use-monotonic' into 7.0

* lp-Com/use-monotonic:
  VxWorks: Measure CPU time-base frequency if necessary
  replace most internal getCurrent() -> getMonotonic()
  dbScan periodic scan use monotonic time
  monotonic adapt to regular time APIs

modules/database/src/ioc/db/dbScan.c

@@ -787,7 +787,7 @@ static void periodicTask(void *arg)
     taskwdInsert(0, NULL, NULL);
     epicsEventSignal(startStopEvent);
 
-    epicsTimeGetCurrent(&next);
+    epicsTimeGetMonotonic(&next);
     reported = next;
 
     while (ppsl->scanCtl != ctlExit) {
@@ -798,7 +798,7 @@ static void periodicTask(void *arg)
             scanList(&ppsl->scan_list);
 
         epicsTimeAddSeconds(&next, ppsl->period);
-        epicsTimeGetCurrent(&now);
+        epicsTimeGetMonotonic(&now);
         delay = epicsTimeDiffInSeconds(&next, &now);
         if (delay <= 0.0) {
             if (overtime == 0.0) {