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// 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 "chrome/test/base/tracing.h"
#include "base/command_line.h"
#include "base/location.h"
#include "base/run_loop.h"
#include "base/single_thread_task_runner.h"
#include "base/thread_task_runner_handle.h"
#include "base/trace_event/memory_dump_manager.h"
#include "base/trace_event/trace_event.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/browser_test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
using base::trace_event::MemoryDumpManager;
using base::trace_event::MemoryDumpType;
using tracing::BeginTracingWithWatch;
using tracing::WaitForWatchEvent;
using tracing::EndTracing;
const char g_category[] = "test_tracing";
const char g_event[] = "TheEvent";
class TracingBrowserTest : public InProcessBrowserTest {
protected:
// Execute some no-op javascript on the current tab - this triggers a trace
// event in RenderFrameImpl::OnJavaScriptExecuteRequestForTests (from the
// renderer process).
void ExecuteJavascriptOnCurrentTab() {
content::RenderViewHost* rvh = browser()->tab_strip_model()->
GetActiveWebContents()->GetRenderViewHost();
ASSERT_TRUE(rvh);
ASSERT_TRUE(content::ExecuteScript(rvh, ";"));
}
void PerformDumpMemoryTestActions() {
std::string json_events;
base::TimeDelta no_timeout;
GURL url1("about:blank");
ui_test_utils::NavigateToURLWithDisposition(
browser(), url1, NEW_FOREGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
ASSERT_NO_FATAL_FAILURE(ExecuteJavascriptOnCurrentTab());
// Begin tracing and watch for multiple periodic dump trace events.
std::string event_name = base::trace_event::MemoryDumpTypeToString(
MemoryDumpType::PERIODIC_INTERVAL);
ASSERT_TRUE(BeginTracingWithWatch(MemoryDumpManager::kTraceCategory,
MemoryDumpManager::kTraceCategory,
event_name, 10));
GURL url2("chrome://credits/");
ui_test_utils::NavigateToURLWithDisposition(
browser(), url2, NEW_FOREGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
ASSERT_NO_FATAL_FAILURE(ExecuteJavascriptOnCurrentTab());
EXPECT_TRUE(WaitForWatchEvent(no_timeout));
ASSERT_TRUE(EndTracing(&json_events));
// Expect the basic memory dumps to be present in the trace.
EXPECT_NE(std::string::npos, json_events.find("process_totals"));
EXPECT_NE(std::string::npos, json_events.find("v8"));
EXPECT_NE(std::string::npos, json_events.find("blink_gc"));
}
};
class SingleProcessTracingBrowserTest : public TracingBrowserTest {
protected:
void SetUpCommandLine(base::CommandLine* command_line) override {
InProcessBrowserTest::SetUpCommandLine(command_line);
command_line->AppendSwitch(switches::kSingleProcess);
}
};
void AddEvents(int num) {
for (int i = 0; i < num; ++i)
TRACE_EVENT_INSTANT0(g_category, g_event, TRACE_EVENT_SCOPE_THREAD);
}
IN_PROC_BROWSER_TEST_F(TracingBrowserTest, BeginTracingWithWatch) {
base::TimeDelta no_timeout;
base::TimeDelta short_timeout = base::TimeDelta::FromMilliseconds(5);
std::string json_events;
// One event before wait.
ASSERT_TRUE(BeginTracingWithWatch(g_category, g_category, g_event, 1));
AddEvents(1);
EXPECT_TRUE(WaitForWatchEvent(no_timeout));
ASSERT_TRUE(EndTracing(&json_events));
// One event after wait.
ASSERT_TRUE(BeginTracingWithWatch(g_category, g_category, g_event, 1));
base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
base::Bind(&AddEvents, 1));
EXPECT_TRUE(WaitForWatchEvent(no_timeout));
ASSERT_TRUE(EndTracing(&json_events));
// Not enough events timeout.
ASSERT_TRUE(BeginTracingWithWatch(g_category, g_category, g_event, 2));
AddEvents(1);
EXPECT_FALSE(WaitForWatchEvent(short_timeout));
ASSERT_TRUE(EndTracing(&json_events));
// Multi event before wait.
ASSERT_TRUE(BeginTracingWithWatch(g_category, g_category, g_event, 5));
AddEvents(5);
EXPECT_TRUE(WaitForWatchEvent(no_timeout));
ASSERT_TRUE(EndTracing(&json_events));
// Multi event after wait.
ASSERT_TRUE(BeginTracingWithWatch(g_category, g_category, g_event, 5));
base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
base::Bind(&AddEvents, 5));
EXPECT_TRUE(WaitForWatchEvent(no_timeout));
ASSERT_TRUE(EndTracing(&json_events));
// Child process events from same process.
ASSERT_TRUE(BeginTracingWithWatch(g_category, g_category,
"OnJavaScriptExecuteRequestForTests", 2));
ASSERT_NO_FATAL_FAILURE(ExecuteJavascriptOnCurrentTab());
ASSERT_NO_FATAL_FAILURE(ExecuteJavascriptOnCurrentTab());
EXPECT_TRUE(WaitForWatchEvent(no_timeout));
ASSERT_TRUE(EndTracing(&json_events));
// Child process events from different processes.
GURL url1("chrome://tracing/");
GURL url2("chrome://credits/");
ASSERT_TRUE(BeginTracingWithWatch(g_category, g_category,
"OnJavaScriptExecuteRequestForTests", 2));
// Open two tabs to different URLs to encourage two separate renderer
// processes. Each will fire an event that will be counted towards the total.
ui_test_utils::NavigateToURLWithDisposition(browser(), url1,
NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
ASSERT_NO_FATAL_FAILURE(ExecuteJavascriptOnCurrentTab());
ui_test_utils::NavigateToURLWithDisposition(browser(), url2,
NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
ASSERT_NO_FATAL_FAILURE(ExecuteJavascriptOnCurrentTab());
EXPECT_TRUE(WaitForWatchEvent(no_timeout));
ASSERT_TRUE(EndTracing(&json_events));
}
// Multi-process mode.
IN_PROC_BROWSER_TEST_F(TracingBrowserTest, TestMemoryInfra) {
PerformDumpMemoryTestActions();
}
// Single-process mode.
IN_PROC_BROWSER_TEST_F(SingleProcessTracingBrowserTest, TestMemoryInfra) {
PerformDumpMemoryTestActions();
}
} // namespace
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