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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "base/debug/activity_analyzer.h" | |
6 | |
7 #include <memory> | |
8 | |
9 #include "base/bind.h" | |
10 #include "base/files/file.h" | |
11 #include "base/files/file_util.h" | |
12 #include "base/files/memory_mapped_file.h" | |
13 #include "base/files/scoped_temp_dir.h" | |
14 #include "base/memory/ptr_util.h" | |
15 #include "base/pending_task.h" | |
16 #include "base/process/process.h" | |
17 #include "base/synchronization/condition_variable.h" | |
18 #include "base/synchronization/lock.h" | |
19 #include "base/synchronization/spin_wait.h" | |
20 #include "base/threading/platform_thread.h" | |
21 #include "base/threading/simple_thread.h" | |
22 #include "base/time/time.h" | |
23 #include "testing/gtest/include/gtest/gtest.h" | |
24 | |
25 namespace base { | |
26 namespace debug { | |
27 | |
28 namespace { | |
29 | |
30 class TestActivityTracker : public ThreadActivityTracker { | |
31 public: | |
32 TestActivityTracker(std::unique_ptr<char[]> memory, size_t mem_size) | |
33 : ThreadActivityTracker(memset(memory.get(), 0, mem_size), mem_size), | |
34 mem_segment_(std::move(memory)) {} | |
35 | |
36 ~TestActivityTracker() override {} | |
37 | |
38 private: | |
39 std::unique_ptr<char[]> mem_segment_; | |
40 }; | |
41 | |
42 } // namespace | |
43 | |
44 | |
45 class ActivityAnalyzerTest : public testing::Test { | |
46 public: | |
47 const int kMemorySize = 1 << 10; // 1KiB | |
Sigurður Ásgeirsson
2016/06/14 15:28:13
static?
bcwhite
2016/06/14 19:48:45
In general it doesn't matter since the compiler wi
| |
48 const int kStackSize = 256; | |
49 | |
50 using Activity = ThreadActivityAnalyzer::Activity; | |
51 | |
52 ActivityAnalyzerTest() {} | |
53 | |
54 ~ActivityAnalyzerTest() override { | |
55 GlobalActivityTracker* global_tracker = GlobalActivityTracker::Get(); | |
56 if (global_tracker) { | |
57 global_tracker->ReleaseTrackerForCurrentThreadForTesting(); | |
58 delete global_tracker; | |
59 } | |
60 } | |
61 | |
62 std::unique_ptr<ThreadActivityTracker> CreateActivityTracker() { | |
63 std::unique_ptr<char[]> memory(new char[kStackSize]); | |
64 return WrapUnique(new TestActivityTracker(std::move(memory), kStackSize)); | |
65 } | |
66 | |
67 static void DoNothing() {} | |
68 }; | |
69 | |
70 TEST_F(ActivityAnalyzerTest, ThreadAnalyzerConstruction) { | |
71 std::unique_ptr<ThreadActivityTracker> tracker = CreateActivityTracker(); | |
72 { | |
73 ThreadActivityAnalyzer analyzer(tracker.get()); | |
74 EXPECT_TRUE(analyzer.IsValid()); | |
75 EXPECT_EQ(PlatformThread::GetName(), analyzer.GetThreadName()); | |
76 } | |
77 | |
78 // TODO(bcwhite): More tests. | |
Sigurður Ásgeirsson
2016/06/14 15:28:13
Are there already cross-process tests?
bcwhite
2016/06/14 19:48:45
No but in practice it doesn't matter since there a
| |
79 } | |
80 | |
81 TEST_F(ActivityAnalyzerTest, GlobalAnalyzerConstruction) { | |
82 GlobalActivityTracker::CreateWithLocalMemory(kMemorySize, 0, "", 3); | |
83 // ThreadActivityTracker* tracker = | |
84 // GlobalActivityTracker::Get()->GetOrCreateTrackerForCurrentThread(); | |
85 | |
86 PersistentMemoryAllocator* allocator = | |
87 GlobalActivityTracker::Get()->allocator(); | |
88 GlobalActivityAnalyzer analyzer(WrapUnique( | |
89 new PersistentMemoryAllocator(const_cast<void*>(allocator->data()), | |
90 allocator->size(), 0, 0, "", true))); | |
91 | |
92 // The only thread is the test thread. | |
93 ThreadActivityAnalyzer* ta1 = analyzer.GetFirstAnalyzer(); | |
Sigurður Ásgeirsson
2016/06/14 15:28:13
I'm not sure this is a safe assumption, given the
bcwhite
2016/06/14 19:48:45
I'll look into it.
| |
94 ASSERT_TRUE(ta1); | |
95 EXPECT_FALSE(analyzer.GetNextAnalyzer()); | |
96 EXPECT_EQ(ta1, analyzer.GetAnalyzerForThread(ta1->GetThreadKey())); | |
97 } | |
98 | |
99 } // namespace debug | |
100 } // namespace base | |
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