[llvm-mca] minor tweak to the resource pressure printing functionality. NFC.

llvm-svn: 331590
diff --git a/llvm/tools/llvm-mca/ResourcePressureView.cpp b/llvm/tools/llvm-mca/ResourcePressureView.cpp
index 18f208f..b3b478b 100644
--- a/llvm/tools/llvm-mca/ResourcePressureView.cpp
+++ b/llvm/tools/llvm-mca/ResourcePressureView.cpp
@@ -84,7 +84,7 @@
 }
 
 static void printResourcePressure(raw_string_ostream &OS, double Pressure) {
-  if (!Pressure) {
+  if (!Pressure || Pressure < 0.005) {
     OS << " -     ";
     return;
   }