diff --git a/java/java-tests/testSrc/com/intellij/java/codeInsight/daemon/lambda/InferencePerformanceTest.java b/java/java-tests/testSrc/com/intellij/java/codeInsight/daemon/lambda/InferencePerformanceTest.java
index 8b2a43e68f4f..e1695f605713 100644
--- a/java/java-tests/testSrc/com/intellij/java/codeInsight/daemon/lambda/InferencePerformanceTest.java
+++ b/java/java-tests/testSrc/com/intellij/java/codeInsight/daemon/lambda/InferencePerformanceTest.java
@@ -25,11 +25,11 @@ public class InferencePerformanceTest extends LightDaemonAnalyzerTestCase {
   @NonNls static final String BASE_PATH = "/codeInsight/daemonCodeAnalyzer/lambda/performance";
 
   public void testPolyMethodCallArgumentPassedToVarargs() throws Exception {
-    PlatformTestUtil.startPerformanceTest("50 poly method calls passed to Arrays.asList", 3500, this::doTest).assertTiming();
+    PlatformTestUtil.startPerformanceTest("50 poly method calls passed to Arrays.asList", 4000, this::doTest).usesAllCPUCores().assertTiming();
   }
 
   public void testDiamondConstructorCallPassedToVarargs() throws Exception {
-    PlatformTestUtil.startPerformanceTest("50 diamond constructor calls passed to Arrays.asList", 10000, this::doTest).assertTiming();
+    PlatformTestUtil.startPerformanceTest("50 diamond constructor calls passed to Arrays.asList", 12000, this::doTest).usesAllCPUCores().assertTiming();
   }
 
   private void doTest() {
diff --git a/platform/platform-tests/testSrc/com/intellij/openapi/vfs/VfsUtilPerformanceTest.java b/platform/platform-tests/testSrc/com/intellij/openapi/vfs/VfsUtilPerformanceTest.java
index 018518bf1e3e..16ae12206f44 100644
--- a/platform/platform-tests/testSrc/com/intellij/openapi/vfs/VfsUtilPerformanceTest.java
+++ b/platform/platform-tests/testSrc/com/intellij/openapi/vfs/VfsUtilPerformanceTest.java
@@ -300,7 +300,7 @@ public class VfsUtilPerformanceTest extends BareTestFixtureTestCase {
       })
       .assertTiming();
 
-      PlatformTestUtil.startPerformanceTest("many files deletions", 10000, () -> {
+      PlatformTestUtil.startPerformanceTest("many files deletions", 11000, () -> {
         assertEquals(N, events.size());
         processEvents(events);
         assertEquals(0, temp.getCachedChildren().size());
diff --git a/platform/platform-tests/testSrc/com/intellij/openapi/vfs/impl/VirtualFilePointerTest.java b/platform/platform-tests/testSrc/com/intellij/openapi/vfs/impl/VirtualFilePointerTest.java
index 534663d64ce8..9ebcb117aac8 100644
--- a/platform/platform-tests/testSrc/com/intellij/openapi/vfs/impl/VirtualFilePointerTest.java
+++ b/platform/platform-tests/testSrc/com/intellij/openapi/vfs/impl/VirtualFilePointerTest.java
@@ -750,7 +750,7 @@ public class VirtualFilePointerTest extends PlatformTestCase {
       myVirtualFilePointerManager.create(VfsUtilCore.pathToUrl("/a/b/c/d/" + i), disposable, listener);
       events.add(new VFileCreateEvent(this, temp, "xxx" + i, false, true));
     }
-    PlatformTestUtil.startPerformanceTest("vfp update", 5000, () -> {
+    PlatformTestUtil.startPerformanceTest("vfp update", 6000, () -> {
       for (int i=0; i< 100; i++) {
         // simulate VFS refresh events since launching the actual refresh is too slow
         myVirtualFilePointerManager.before(events);