CPUUsage: always print something

Author: CarterLi

src/common/bar.c

@@ -78,7 +78,9 @@ void ffAppendPercentNum(FFstrbuf* buffer, double percent, uint8_t green, uint8_t
 
     if (colored && !options->pipe)
     {
-        if(green < yellow)
+        if(percent != percent)
+            ffStrbufAppendS(buffer, "\e[" FF_COLOR_FG_LIGHT_BLACK "m");
+        else if(green < yellow)
         {
             if (percent <= green)
                 ffStrbufAppendS(buffer, "\e[" FF_COLOR_FG_GREEN "m");

src/detection/cpuusage/cpuusage.c

@@ -40,11 +40,12 @@ const char* ffGetCpuUsageResult(FFlist* result)
         FFCpuUsageInfo* cpuTime2 = ffListGet(&cpuTimes2, i);
         if (cpuTime2->totalAll <= cpuTime1->totalAll)
         {
-            ffListClear(&cpuTimes2);
-            ffTimeSleep(200);
-            if (++retryCount >= 10)
-                return "Retry count exceeded";
-            goto retry;
+            if (++retryCount <= 3)
+            {
+                ffListClear(&cpuTimes2);
+                ffTimeSleep(200);
+                goto retry;
+            }
         }
     }