Add an explicit way of making IDs local or global

base/trace_event/trace_event_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/trace_event/trace_event.h"
 
 #include <math.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 504 matching lines @@
     TRACE_EVENT_SCOPED_CONTEXT("disabled-by-default-cat",
                                "TRACE_EVENT_SCOPED_CONTEXT disabled call",
                                context_id);
     TRACE_EVENT_SCOPED_CONTEXT("all", "TRACE_EVENT_SCOPED_CONTEXT call",
                                context_id);
 
     TRACE_BIND_IDS("all", "TRACE_BIND_IDS simple call", 0x1000, 0x2000);
     TRACE_BIND_IDS("all", "TRACE_BIND_IDS scoped call",
                    TRACE_ID_WITH_SCOPE("scope 1", 0x1000),
                    TRACE_ID_WITH_SCOPE("scope 2", 0x2000));
+
+    TRACE_EVENT_ASYNC_BEGIN0("all", "async default process scope", 0x1000);
+    TRACE_EVENT_ASYNC_BEGIN0("all", "async local id", TRACE_ID_LOCAL(0x2000));
+    TRACE_EVENT_ASYNC_BEGIN0("all", "async global id", TRACE_ID_GLOBAL(0x3000));
+    TRACE_EVENT_ASYNC_BEGIN0("all", "async global id with scope string",
+                             TRACE_ID_WITH_SCOPE("scope string",
+                                                 TRACE_ID_GLOBAL(0x4000)));
   }  // Scope close causes TRACE_EVENT0 etc to send their END events.
 
   if (task_complete_event)
     task_complete_event->Signal();
 }
 
 void ValidateAllTraceMacrosCreatedData(const ListValue& trace_parsed) {
   const DictionaryValue* item = NULL;
 
 #define EXPECT_FIND_(string) \
@@ skipping 459 matching lines @@
     EXPECT_EQ("0x1000", id);
 
     std::string bind_scope;
     EXPECT_TRUE((item && item->GetString("args.bind_scope", &bind_scope)));
     EXPECT_EQ("scope 2", bind_scope);
     std::string bind_id;
     EXPECT_TRUE((item && item->GetString("bind_id", &id)));
     EXPECT_EQ("0x2000", id);
   }
 
+  EXPECT_FIND_("async default process scope");
+  {
+    std::string ph;
+    EXPECT_TRUE((item && item->GetString("ph", &ph)));
+    EXPECT_EQ("S", ph);
+
+    std::string id;
+    EXPECT_TRUE((item && item->GetString("id", &id)));
+    EXPECT_EQ("0x1000", id);
+    bool id_is_global;
+    EXPECT_FALSE((item && item->GetBoolean("id_is_global", &id_is_global)));
+  }
+
+  EXPECT_FIND_("async local id");
+  {
+    std::string ph;
+    EXPECT_TRUE((item && item->GetString("ph", &ph)));
+    EXPECT_EQ("S", ph);
+
+    std::string id;
+    EXPECT_TRUE((item && item->GetString("id", &id)));
+    EXPECT_EQ("0x2000", id);
+    bool id_is_global = true;
+    EXPECT_TRUE((item && item->GetBoolean("id_is_global", &id_is_global)));
+    EXPECT_FALSE(id_is_global);
+  }
+
+  EXPECT_FIND_("async global id");
+  {
+    std::string ph;
+    EXPECT_TRUE((item && item->GetString("ph", &ph)));
+    EXPECT_EQ("S", ph);
+
+    std::string id;
+    EXPECT_TRUE((item && item->GetString("id", &id)));
+    EXPECT_EQ("0x3000", id);
+    bool id_is_global = false;
+    EXPECT_TRUE((item && item->GetBoolean("id_is_global", &id_is_global)));
+    EXPECT_TRUE(id_is_global);
+  }
+
+  EXPECT_FIND_("async global id with scope string");
+  {
+    std::string ph;
+    EXPECT_TRUE((item && item->GetString("ph", &ph)));
+    EXPECT_EQ("S", ph);
+
+    std::string id;
+    EXPECT_TRUE((item && item->GetString("id", &id)));
+    EXPECT_EQ("0x4000", id);
+    bool id_is_global = false;
+    EXPECT_TRUE((item && item->GetBoolean("id_is_global", &id_is_global)));
+    EXPECT_TRUE(id_is_global);
+    std::string scope;
+    EXPECT_TRUE((item && item->GetString("scope", &scope)));
+    EXPECT_EQ("scope string", scope);
+  }
 }
 
 void TraceManyInstantEvents(int thread_id, int num_events,
                             WaitableEvent* task_complete_event) {
   for (int i = 0; i < num_events; i++) {
     TRACE_EVENT_INSTANT2("all", "multi thread event",
                          TRACE_EVENT_SCOPE_THREAD,
                          "thread", thread_id,
                          "event", i);
   }
@@ skipping 2205 matching lines @@
 
 TEST_F(TraceEventTestFixture, ClockSyncEventsAreAlwaysAddedToTrace) {
   BeginSpecificTrace("-*");
   TRACE_EVENT_CLOCK_SYNC_RECEIVER(1);
   EndTraceAndFlush();
   EXPECT_TRUE(FindNamePhase("clock_sync", "c"));
 }
 
 }  // namespace trace_event
 }  // namespace base