Rename pvDataApp to src, adjust Makefiles.

src/misc/timeFunction.cpp

@@ -0,0 +1,50 @@
+/* timeFunction.cpp */
+/**
+ * Copyright - See the COPYRIGHT that is included with this distribution.
+ * EPICS pvData is distributed subject to a Software License Agreement found
+ * in file LICENSE that is included with this distribution.
+ */
+/**
+ *  @author mrk
+ */
+#include <cstddef>
+#include <cstdlib>
+#include <cstddef>
+#include <string>
+#include <cstdio>
+
+#define epicsExportSharedSymbols
+#include <pv/pvType.h>
+#include <pv/timeStamp.h>
+#include <pv/timeFunction.h>
+
+namespace epics { namespace pvData { 
+
+TimeFunction::TimeFunction(TimeFunctionRequesterPtr const &requester)
+: requester(requester) {}
+
+
+TimeFunction::~TimeFunction() {}
+
+double TimeFunction::timeCall()
+{
+    TimeStamp startTime;
+    TimeStamp endTime;
+    double perCall = 0.0;
+    long ntimes = 1;
+    while(true) {
+        startTime.getCurrent();
+        for(long i=0; i<ntimes; i++) requester->function();
+        endTime.getCurrent();
+        double diff = TimeStamp::diff(endTime,startTime);
+        if(diff>=1.0) {
+            perCall = diff/(double)ntimes;
+            break;
+        }
+        ntimes *= 2;
+    }
+    return perCall;
+
+}
+
+}}