Merge 5b4e69c into e2f3712

Author: Sazonov99

ydb/core/util/cpuinfo.cpp

@@ -105,10 +105,21 @@ std::vector<NKikimr::TSystemThreadsMonitor::TSystemThreadPoolInfo> NKikimr::TSys
                 info.States.emplace_back(c, states[c]);
             }
         }
-        info.MajorPageFaults = double(majorPageFaults) / passedSeconds;
-        info.MinorPageFaults = double(minorPageFaults) / passedSeconds;
-        info.SystemUsage = double(systemTime) / ticks / info.Threads;
-        info.UserUsage = double(userTime) / ticks / info.Threads;
+        if (passedSeconds > 0.0) {
+    	    info.MajorPageFaults = double(majorPageFaults) / passedSeconds;
+    	    info.MinorPageFaults = double(minorPageFaults) / passedSeconds;
+	} else {
+    	    info.MajorPageFaults = 0;
+    	    info.MinorPageFaults = 0;
+	}
+
+	if (ticks > 0.0 && info.Threads > 0) {
+    	    info.SystemUsage = double(systemTime) / ticks / info.Threads;
+    	    info.UserUsage = double(userTime) / ticks / info.Threads;
+	} else {
+    	    info.SystemUsage = 0;
+    	    info.UserUsage = 0;
+	}
     }
     UpdateTime = now;
     return result;