tracing: remove sampling state profiler

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 2134 matching lines @@
   // are also enabled.
   trace_log->SetEnabled(TraceConfig("disabled-by-default-foo", ""),
                         TraceLog::RECORDING_MODE);
   EXPECT_TRUE(*trace_log->GetCategoryGroupEnabled("disabled-by-default-foo"));
   EXPECT_TRUE(*trace_log->GetCategoryGroupEnabled("foo"));
   EXPECT_TRUE(*trace_log->GetCategoryGroupEnabled("bar"));
   EXPECT_FALSE(*trace_log->GetCategoryGroupEnabled("disabled-by-default-bar"));
   trace_log->SetDisabled();
 }
 
-TEST_F(TraceEventTestFixture, TraceSampling) {
-  TraceLog::GetInstance()->SetEnabled(
-    TraceConfig(kRecordAllCategoryFilter, "record-until-full,enable-sampling"),
-    TraceLog::RECORDING_MODE);
-
-  TRACE_EVENT_SET_SAMPLING_STATE_FOR_BUCKET(1, "cc", "Stuff");
-  TraceLog::GetInstance()->WaitSamplingEventForTesting();
-  TRACE_EVENT_SET_SAMPLING_STATE_FOR_BUCKET(1, "cc", "Things");
-  TraceLog::GetInstance()->WaitSamplingEventForTesting();
-
-  EndTraceAndFlush();
-
-  // Make sure we hit at least once.
-  EXPECT_TRUE(FindNamePhase("Stuff", "P"));
-  EXPECT_TRUE(FindNamePhase("Things", "P"));
-}
-
-TEST_F(TraceEventTestFixture, TraceSamplingScope) {
-  TraceLog::GetInstance()->SetEnabled(
-    TraceConfig(kRecordAllCategoryFilter, "record-until-full,enable-sampling"),
-    TraceLog::RECORDING_MODE);
-
-  TRACE_EVENT_SCOPED_SAMPLING_STATE("AAA", "name");
-  TraceLog::GetInstance()->WaitSamplingEventForTesting();
-  {
-    EXPECT_STREQ(TRACE_EVENT_GET_SAMPLING_STATE(), "AAA");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("BBB", "name");
-    TraceLog::GetInstance()->WaitSamplingEventForTesting();
-    EXPECT_STREQ(TRACE_EVENT_GET_SAMPLING_STATE(), "BBB");
-  }
-  TraceLog::GetInstance()->WaitSamplingEventForTesting();
-  {
-    EXPECT_STREQ(TRACE_EVENT_GET_SAMPLING_STATE(), "AAA");
-    TRACE_EVENT_SCOPED_SAMPLING_STATE("CCC", "name");
-    TraceLog::GetInstance()->WaitSamplingEventForTesting();
-    EXPECT_STREQ(TRACE_EVENT_GET_SAMPLING_STATE(), "CCC");
-  }
-  TraceLog::GetInstance()->WaitSamplingEventForTesting();
-  {
-    EXPECT_STREQ(TRACE_EVENT_GET_SAMPLING_STATE(), "AAA");
-    TRACE_EVENT_SET_SAMPLING_STATE("DDD", "name");
-    TraceLog::GetInstance()->WaitSamplingEventForTesting();
-    EXPECT_STREQ(TRACE_EVENT_GET_SAMPLING_STATE(), "DDD");
-  }
-  TraceLog::GetInstance()->WaitSamplingEventForTesting();
-  EXPECT_STREQ(TRACE_EVENT_GET_SAMPLING_STATE(), "DDD");
-
-  EndTraceAndFlush();
-}
-
 class MyData : public ConvertableToTraceFormat {
  public:
   MyData() {}
   ~MyData() override {}
 
   void AppendAsTraceFormat(std::string* out) const override {
     out->append("{\"foo\":1}");
   }
 
  private:
@@ skipping 805 matching lines @@
                 TraceConfig(kRecordAllCategoryFilter, RECORD_UNTIL_FULL)));
 
   EXPECT_EQ(TraceLog::kInternalRecordContinuously,
             trace_log->GetInternalOptionsFromTraceConfig(
                 TraceConfig(kRecordAllCategoryFilter, RECORD_CONTINUOUSLY)));
 
   EXPECT_EQ(TraceLog::kInternalEchoToConsole,
             trace_log->GetInternalOptionsFromTraceConfig(
                 TraceConfig(kRecordAllCategoryFilter, ECHO_TO_CONSOLE)));
 
-  EXPECT_EQ(
-      TraceLog::kInternalRecordUntilFull | TraceLog::kInternalEnableSampling,
-      trace_log->GetInternalOptionsFromTraceConfig(
-          TraceConfig(kRecordAllCategoryFilter,
-                      "record-until-full,enable-sampling")));
-
-  EXPECT_EQ(
-      TraceLog::kInternalRecordContinuously | TraceLog::kInternalEnableSampling,
-      trace_log->GetInternalOptionsFromTraceConfig(
-          TraceConfig(kRecordAllCategoryFilter,
-                      "record-continuously,enable-sampling")));
-
-  EXPECT_EQ(
-      TraceLog::kInternalEchoToConsole | TraceLog::kInternalEnableSampling,
-      trace_log->GetInternalOptionsFromTraceConfig(
-          TraceConfig(kRecordAllCategoryFilter,
-                      "trace-to-console,enable-sampling")));
-
-  EXPECT_EQ(
-      TraceLog::kInternalEchoToConsole | TraceLog::kInternalEnableSampling,
-      trace_log->GetInternalOptionsFromTraceConfig(
-          TraceConfig("*",
-                      "trace-to-console,enable-sampling,enable-systrace")));
+  EXPECT_EQ(TraceLog::kInternalEchoToConsole,
+            trace_log->GetInternalOptionsFromTraceConfig(
+                TraceConfig("*", "trace-to-console,enable-systrace")));
 }
 
 void SetBlockingFlagAndBlockUntilStopped(WaitableEvent* task_start_event,
                                          WaitableEvent* task_stop_event) {
   TraceLog::GetInstance()->SetCurrentThreadBlocksMessageLoop();
   BlockUntilStopped(task_start_event, task_stop_event);
 }
 
 TEST_F(TraceEventTestFixture, SetCurrentThreadBlocksMessageLoopAfterTracing) {
   BeginTrace();
@@ skipping 339 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