Sleep for more than 1 millisecond in timeline tests

runtime/vm/timeline_test.cc

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include <cstring>
 
 #include "platform/assert.h"
 
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
@@ skipping 327 matching lines @@
   // Blocks owned by thread "3".
   TimelineEventBlock* block_3_0 = recorder->GetNewBlock();
   TimelineTestHelper::SetBlockThread(block_3_0, 3);
   USE(block_3_0);
 
   // Add events to each block for thread 1.
   TimelineTestHelper::FakeThreadEvent(block_1_2, 1, "B1");
   TimelineTestHelper::FakeThreadEvent(block_1_2, 1, "B2");
   TimelineTestHelper::FakeThreadEvent(block_1_2, 1, "B3");
   // Sleep to ensure timestamps differ.
-  OS::Sleep(1);
+  OS::Sleep(32);
   TimelineTestHelper::FakeThreadEvent(block_1_0, 1, "A1");
-  OS::Sleep(1);
+  OS::Sleep(32);
   TimelineTestHelper::FakeThreadEvent(block_1_1, 1, "C1");
   TimelineTestHelper::FakeThreadEvent(block_1_1, 1, "C2");
-  OS::Sleep(1);
+  OS::Sleep(32);
 
   // Add events to each block for thread 2.
   TimelineTestHelper::FakeThreadEvent(block_2_0, 2, "A");
   TimelineTestHelper::FakeThreadEvent(block_2_0, 2, "B");
   TimelineTestHelper::FakeThreadEvent(block_2_0, 2, "C");
   TimelineTestHelper::FakeThreadEvent(block_2_0, 2, "D");
   TimelineTestHelper::FakeThreadEvent(block_2_0, 2, "E");
   TimelineTestHelper::FakeThreadEvent(block_2_0, 2, "F");
 
   Zone* zone = thread->zone();
@@ skipping 84 matching lines @@
 
   TimelineEventBlock* block_0 = recorder->GetNewBlock();
   EXPECT(block_0 != NULL);
   TimelineEventBlock* block_1 = recorder->GetNewBlock();
   EXPECT(block_1 != NULL);
   // Test that we wrapped.
   EXPECT(block_0 == recorder->GetNewBlock());
 
   // Emit the earlier event into block_1.
   TimelineTestHelper::FakeThreadEvent(block_1, 2, "Alpha", &stream);
-  OS::Sleep(1);
+  OS::Sleep(32);
   // Emit the later event into block_0.
   TimelineTestHelper::FakeThreadEvent(block_0, 2, "Beta", &stream);
 
   TimelineTestHelper::FinishBlock(block_0);
   TimelineTestHelper::FinishBlock(block_1);
 
   JSONStream js;
   TimelineEventFilter filter;
   recorder->PrintJSON(&js, &filter);
   // trace-event has a requirement that events for a thread must have
@@ skipping 383 matching lines @@
     pauses.Setup();
     pauses.CalculatePauseTimesForThread(tid);
     EXPECT(pauses.has_error());
   }
   TimelineTestHelper::Clear(recorder);
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart