Index: trunk/test/performance/org/openstreetmap/josm/data/osm/KeyValuePerformanceTest.java
===================================================================
--- trunk/test/performance/org/openstreetmap/josm/data/osm/KeyValuePerformanceTest.java	(revision 10197)
+++ trunk/test/performance/org/openstreetmap/josm/data/osm/KeyValuePerformanceTest.java	(revision 10222)
@@ -20,4 +20,6 @@
 import org.openstreetmap.josm.PerformanceTestUtils.PerformanceTestTimer;
 import org.openstreetmap.josm.data.osm.OsmDataGenerator.KeyValueDataGenerator;
+
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 
 /**
@@ -38,4 +40,5 @@
      */
     @Rule
+    @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
     public Timeout globalTimeout = Timeout.seconds(15*60);
 
@@ -52,5 +55,6 @@
      */
     @Test
-    public void meassureStringEqualsIntern() {
+    @SuppressFBWarnings(value = "DM_STRING_CTOR", justification = "test Strings that are interned and those that are not")
+    public void measureStringEqualsIntern() {
         String str1Interned = "string1";
         String str1InternedB = "string1";
@@ -196,4 +200,5 @@
      */
     @Test
+    @SuppressFBWarnings(value = "RV_RETURN_VALUE_IGNORED_NO_SIDE_EFFECT")
     public void testKeyValueGetKeysGet() {
         for (double tagNodeRatio : TAG_NODE_RATIOS) {
Index: trunk/test/performance/org/openstreetmap/josm/data/osm/RoundingPerformanceTest.java
===================================================================
--- trunk/test/performance/org/openstreetmap/josm/data/osm/RoundingPerformanceTest.java	(revision 10197)
+++ trunk/test/performance/org/openstreetmap/josm/data/osm/RoundingPerformanceTest.java	(revision 10222)
@@ -7,4 +7,6 @@
 import org.openstreetmap.josm.data.coor.LatLon;
 import org.openstreetmap.josm.data.coor.LatLonTest;
+
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 
 /**
@@ -22,4 +24,5 @@
      */
     @Test
+    @SuppressFBWarnings(value = "RV_RETURN_VALUE_IGNORED_NO_SIDE_EFFECT")
     public void test() {
         final int n = 1000000;
Index: trunk/test/performance/org/openstreetmap/josm/data/osm/visitor/paint/AbstractMapRendererPerformanceTestParent.java
===================================================================
--- trunk/test/performance/org/openstreetmap/josm/data/osm/visitor/paint/AbstractMapRendererPerformanceTestParent.java	(revision 10197)
+++ trunk/test/performance/org/openstreetmap/josm/data/osm/visitor/paint/AbstractMapRendererPerformanceTestParent.java	(revision 10222)
@@ -24,4 +24,6 @@
 import org.openstreetmap.josm.io.OsmReader;
 
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+
 /**
  * Abstract superclass of {@code StyledMapRendererPerformanceTest} and {@code WireframeMapRendererPerformanceTest}.
@@ -32,6 +34,9 @@
     private static final int IMG_HEIGHT = 1050;
 
+    @SuppressFBWarnings(value = "MS_PKGPROTECT")
     protected static Graphics2D g;
+    @SuppressFBWarnings(value = "MS_PKGPROTECT")
     protected static BufferedImage img;
+    @SuppressFBWarnings(value = "MS_PKGPROTECT")
     protected static NavigatableComponent nc;
     private static DataSet dsRestriction;
@@ -43,4 +48,5 @@
      */
     @Rule
+    @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
     public Timeout globalTimeout = Timeout.seconds(15*60);
 
@@ -121,8 +127,11 @@
     }
 
-    /** run this manually to verify that the rendering is set up properly */
+    /**
+     * run this manually to verify that the rendering is set up properly
+     * @throws IOException if any I/O error occurs
+     */
+    @SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD")
     private void dumpRenderedImage() throws IOException {
-        File outputfile = new File("test-neubrandenburg.png");
-        ImageIO.write(img, "png", outputfile);
+        ImageIO.write(img, "png", new File("test-neubrandenburg.png"));
     }
 }
Index: trunk/test/performance/org/openstreetmap/josm/data/osm/visitor/paint/StyledMapRendererPerformanceTest.java
===================================================================
--- trunk/test/performance/org/openstreetmap/josm/data/osm/visitor/paint/StyledMapRendererPerformanceTest.java	(revision 10197)
+++ trunk/test/performance/org/openstreetmap/josm/data/osm/visitor/paint/StyledMapRendererPerformanceTest.java	(revision 10222)
@@ -9,4 +9,6 @@
 import org.junit.BeforeClass;
 import org.openstreetmap.josm.gui.mappaint.MapPaintStyles;
+
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 
 /**
@@ -27,8 +29,11 @@
     }
 
-    /** run this manually to verify that the rendering is set up properly */
+    /**
+     * run this manually to verify that the rendering is set up properly
+     * @throws IOException if any I/O error occurs
+     */
+    @SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD")
     private void dumpRenderedImage() throws IOException {
-        File outputfile = new File("test-neubrandenburg.png");
-        ImageIO.write(img, "png", outputfile);
+        ImageIO.write(img, "png", new File("test-neubrandenburg.png"));
     }
 }
Index: trunk/test/performance/org/openstreetmap/josm/gui/mappaint/MapRendererPerformanceTest.java
===================================================================
--- trunk/test/performance/org/openstreetmap/josm/gui/mappaint/MapRendererPerformanceTest.java	(revision 10197)
+++ trunk/test/performance/org/openstreetmap/josm/gui/mappaint/MapRendererPerformanceTest.java	(revision 10222)
@@ -12,4 +12,5 @@
 import java.util.EnumMap;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 
@@ -41,4 +42,6 @@
 import org.openstreetmap.josm.io.OsmReader;
 
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+
 public class MapRendererPerformanceTest {
 
@@ -65,5 +68,5 @@
         ICON, SYMBOL, NODE_TEXT, LINE, LINE_TEXT, AREA;
         public String label() {
-            return name().toLowerCase();
+            return name().toLowerCase(Locale.ENGLISH);
         }
     }
@@ -75,4 +78,5 @@
      */
     @Rule
+    @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
     public Timeout globalTimeout = Timeout.seconds(15*60);
 
@@ -171,4 +175,5 @@
         private final List<Long> totalTimes = new ArrayList<>();
 
+        @SuppressFBWarnings(value = "DM_GC")
         public void run() throws IOException {
             boolean checkScale = false;
@@ -314,5 +319,5 @@
 
     public static void dumpTimes(StyledMapRenderer.BenchmarkData bd) {
-        System.out.print(String.format("gen. %3d, sort %3d, draw %3d\n", bd.generateTime, bd.sortTime, bd.drawTime));
+        System.out.print(String.format("gen. %3d, sort %3d, draw %3d%n", bd.generateTime, bd.sortTime, bd.drawTime));
     }
 
Index: trunk/test/performance/org/openstreetmap/josm/gui/mappaint/mapcss/MapCSSStyleSourceFilterTest.java
===================================================================
--- trunk/test/performance/org/openstreetmap/josm/gui/mappaint/mapcss/MapCSSStyleSourceFilterTest.java	(revision 10197)
+++ trunk/test/performance/org/openstreetmap/josm/gui/mappaint/mapcss/MapCSSStyleSourceFilterTest.java	(revision 10222)
@@ -13,4 +13,6 @@
 import org.openstreetmap.josm.gui.mappaint.MultiCascade;
 
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+
 /**
  * Tests how fast {@link MapCSSStyleSource} finds the right style candidates for one object.
@@ -21,5 +23,5 @@
     private static final int TEST_RULE_COUNT = 10000;
 
-    private class CssGenerator {
+    private static class CssGenerator {
         StringBuilder sb = new StringBuilder();
         private KeyValueDataGenerator generator;
@@ -83,4 +85,5 @@
      */
     @Rule
+    @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
     public Timeout globalTimeout = Timeout.seconds(15*60);
 
Index: trunk/test/performance/org/openstreetmap/josm/io/OsmReaderPerformanceTest.java
===================================================================
--- trunk/test/performance/org/openstreetmap/josm/io/OsmReaderPerformanceTest.java	(revision 10197)
+++ trunk/test/performance/org/openstreetmap/josm/io/OsmReaderPerformanceTest.java	(revision 10222)
@@ -20,4 +20,6 @@
 import org.openstreetmap.josm.data.osm.DataSet;
 
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+
 /**
  * This test tests how fast we are at reading an OSM file.
@@ -35,4 +37,5 @@
      */
     @Rule
+    @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
     public Timeout globalTimeout = Timeout.seconds(15*60);