Add cpu count to trace metadata

base/test/trace_event_analyzer_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "base/debug/trace_event_unittest.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/test/trace_event_analyzer.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 208 matching lines @@
     TRACE_EVENT_INSTANT1("cat1", "name1", TRACE_EVENT_SCOPE_THREAD, "num", 1);
     TRACE_EVENT_INSTANT1("cat1", "name2", TRACE_EVENT_SCOPE_THREAD, "num", 2);
     TRACE_EVENT_INSTANT1("cat2", "name3", TRACE_EVENT_SCOPE_THREAD, "num", 3);
     TRACE_EVENT_INSTANT1("cat2", "name4", TRACE_EVENT_SCOPE_THREAD, "num", 4);
   }
   EndTracing();
 
   scoped_ptr<TraceAnalyzer>
       analyzer(TraceAnalyzer::Create(output_.json_output));
   ASSERT_TRUE(!!analyzer.get());
+  analyzer->SetIgnoreMetadataEvents(true);
 
   TraceEventVector found;
 
   // ==
 
   analyzer->FindEvents(Query::EventCategory() == Query::String("cat1"), &found);
   ASSERT_EQ(2u, found.size());
   EXPECT_STREQ("name1", found[0]->name.c_str());
   EXPECT_STREQ("name2", found[1]->name.c_str());
 
@@ skipping 125 matching lines @@
     TRACE_EVENT_INSTANT0("cat1", "name1", TRACE_EVENT_SCOPE_THREAD);
     TRACE_EVENT_INSTANT0("cat1", "name2", TRACE_EVENT_SCOPE_THREAD);
     TRACE_EVENT_INSTANT0("cat1", "no match", TRACE_EVENT_SCOPE_THREAD);
     TRACE_EVENT_INSTANT0("cat1", "name3x", TRACE_EVENT_SCOPE_THREAD);
   }
   EndTracing();
 
   scoped_ptr<TraceAnalyzer>
       analyzer(TraceAnalyzer::Create(output_.json_output));
   ASSERT_TRUE(analyzer.get());
+  analyzer->SetIgnoreMetadataEvents(true);
 
   TraceEventVector found;
 
   analyzer->FindEvents(Query::EventName() == Query::Pattern("name?"), &found);
   ASSERT_EQ(2u, found.size());
   EXPECT_STREQ("name1", found[0]->name.c_str());
   EXPECT_STREQ("name2", found[1]->name.c_str());
 
   analyzer->FindEvents(Query::EventName() == Query::Pattern("name*"), &found);
   ASSERT_EQ(3u, found.size());
@@ skipping 498 matching lines @@
   EXPECT_EQ(num_events, CountMatches(event_ptrs, Query::Bool(true)));
   EXPECT_EQ(num_events - 1, CountMatches(event_ptrs, Query::Bool(true),
                                          1, num_events));
   EXPECT_EQ(1u, CountMatches(event_ptrs, query_one));
   EXPECT_EQ(num_events - 1, CountMatches(event_ptrs, !query_one));
   EXPECT_EQ(num_named, CountMatches(event_ptrs, query_named));
 }
 
 
 }  // namespace trace_analyzer