WIP: A couple of more ChannelMojo speedup ideas

ipc/ipc_perftest_support.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 "ipc/ipc_perftest_support.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 211 matching lines @@
   std::string payload_;
   EventTimeTracker latency_tracker_;
   scoped_ptr<base::PerfTimeLogger> perf_logger_;
 };
 
 std::vector<PingPongTestParams>
 IPCChannelPerfTestBase::GetDefaultTestParams() {
   // Test several sizes. We use 12^N for message size, and limit the message
   // count to keep the test duration reasonable.
   std::vector<PingPongTestParams> list;
+#if 0
   list.push_back(PingPongTestParams(12, 50000));
   list.push_back(PingPongTestParams(144, 50000));
   list.push_back(PingPongTestParams(1728, 50000));
   list.push_back(PingPongTestParams(20736, 12000));
   list.push_back(PingPongTestParams(248832, 1000));
+#else
+  // list.push_back(PingPongTestParams(12, 1000000));
+  list.push_back(PingPongTestParams(12, 1000000));
+#endif
   return list;
 }
 
 void IPCChannelPerfTestBase::RunTestChannelPingPong(
     const std::vector<PingPongTestParams>& params) {
   Init("PerformanceClient");
 
   // Set up IPC channel and start client.
   PerformanceChannelListener listener("Channel");
   CreateChannel(&listener);
@@ skipping 125 matching lines @@
   auto set_result = SetThreadAffinityMask(GetCurrentThread(), old_affinity_);
   DCHECK_NE(0u, set_result);
 #elif defined(OS_LINUX)
   auto set_result = sched_setaffinity(0, sizeof(old_cpuset_), &old_cpuset_);
   DCHECK_EQ(0, set_result);
 #endif
 }
 
 }  // namespace test
 }  // namespace IPC