call drawdevices only every 500ms, added profiling code

2 files changed, 37 insertions, 4 deletions

diff --git a/views/displaychannelview.c b/views/displaychannelview.c
index 28b2f9d..6187753 100644
--- a/views/displaychannelview.c
+++ b/views/displaychannelview.c
@@ -364,8 +364,18 @@ void cDisplayChannelView::DrawSignal(void) {
     }
     time_t Now = time(NULL);
     if (Now != lastSignalDisplay) {
+#ifdef DOPROFILE
+        cStopWatch watch("DrawSignal");
+#endif
         int SignalStrength = cDevice::ActualDevice()->SignalStrength();
+#ifdef DOPROFILE
+        watch.Report("SignalStrength");
+#endif
         int SignalQuality = cDevice::ActualDevice()->SignalQuality();
+#ifdef DOPROFILE
+        watch.Report("SignalQuality");
+        watch.Stop("DrawSignal");
+#endif
         if (SignalStrength < 0) SignalStrength = 0;
         if (SignalQuality < 0) SignalQuality = 0;
         if ((SignalStrength == 0)&&(SignalQuality==0))
diff --git a/views/viewhelpers.c b/views/viewhelpers.c
index 00a5619..29c139d 100644
--- a/views/viewhelpers.c
+++ b/views/viewhelpers.c
@@ -1,5 +1,6 @@
 #include <vdr/menu.h>
 #include "../config.h"
+#include "../libcore/helpers.h"
 #include "viewhelpers.h"
 
 cViewHelpers::cViewHelpers(void) {
@@ -28,6 +29,9 @@ void cViewHelpers::InitDevices(void) {
 }
 
 bool cViewHelpers::SetDevices(bool initial, map<string,int> *intTokens, vector<map<string,string> > *devices) {
+#ifdef DOPROFILE
+    cStopWatch watch("SetDevices");
+#endif
     int numDevices = cDevice::NumDevices();
     if (!initial) {
         //check if drawing is necessary
@@ -37,12 +41,24 @@ bool cViewHelpers::SetDevices(bool initial, map<string,int> *intTokens, vector<m
             if (!device || !device->NumProvidedSystems()) {
                 continue;
             }
-            if ((device->SignalStrength() != lastSignalStrength[i]) || (device->SignalQuality() != lastSignalQuality[i])) {
+            int signalStrength = device->SignalStrength();
+#ifdef DOPROFILE
+            watch.Report(*cString::sprintf("SignalStrength() device %d", i));
+#endif
+            int signalQuality = device->SignalQuality();
+#ifdef DOPROFILE
+            watch.Report(*cString::sprintf("SignalQuality() device %d", i));
+#endif
+
+            if ((signalStrength != lastSignalStrength[i]) || (signalQuality != lastSignalQuality[i])) {
                 changed = true;
                 break;
-            }
+            }            
         }
         if (!changed) {
+#ifdef DOPROFILE
+            watch.Stop("SetDevices End");
+#endif
             return false;
         }
     }
@@ -55,7 +71,6 @@ bool cViewHelpers::SetDevices(bool initial, map<string,int> *intTokens, vector<m
         else
             deviceLiveTV = primaryDevice->DeviceNumber();
     }
-
     //check currently recording devices
     for (cTimer *timer = Timers.First(); timer; timer = Timers.Next(timer)) {
         if (!timer->Recording()) {
@@ -90,7 +105,13 @@ bool cViewHelpers::SetDevices(bool initial, map<string,int> *intTokens, vector<m
             deviceVals.insert(pair< string, string >("devices[hascam]", "0"));
         }
         int signalStrength = device->SignalStrength();
+#ifdef DOPROFILE
+        watch.Report(*cString::sprintf("SignalStrength() device %d", i));
+#endif
         int signalQuality = device->SignalQuality();
+#ifdef DOPROFILE
+        watch.Report(*cString::sprintf("SignalQuality() device %d", i));
+#endif
         stringstream strCamNumber;
         strCamNumber << camNumber;
         deviceVals.insert(pair< string, string >("devices[cam]", strCamNumber.str()));
@@ -129,6 +150,8 @@ bool cViewHelpers::SetDevices(bool initial, map<string,int> *intTokens, vector<m
     }
 
     intTokens->insert(pair<string, int>("numdevices", actualNumDevices));
-    
+#ifdef DOPROFILE
+    watch.Stop("SetDevices End");
+#endif
     return true;
 }