dde48831be
Review URL: http://codereview.chromium.org/1514006 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4317 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
427 lines
16 KiB
C++
427 lines
16 KiB
C++
// Copyright 2010 the V8 project authors. All rights reserved.
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//
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// Tests of profiles generator and utilities.
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#ifdef ENABLE_CPP_PROFILES_PROCESSOR
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#include "v8.h"
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#include "profile-generator-inl.h"
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#include "cctest.h"
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namespace i = v8::internal;
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using i::CodeEntry;
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using i::CodeMap;
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using i::CpuProfile;
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using i::CpuProfilesCollection;
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using i::ProfileNode;
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using i::ProfileTree;
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using i::ProfileGenerator;
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using i::TickSample;
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using i::Vector;
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TEST(ProfileNodeFindOrAddChild) {
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ProfileNode node(NULL);
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CodeEntry entry1(i::Logger::FUNCTION_TAG, "aaa", "", 0);
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ProfileNode* childNode1 = node.FindOrAddChild(&entry1);
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CHECK_NE(NULL, childNode1);
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CHECK_EQ(childNode1, node.FindOrAddChild(&entry1));
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CodeEntry entry2(i::Logger::FUNCTION_TAG, "bbb", "", 0);
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ProfileNode* childNode2 = node.FindOrAddChild(&entry2);
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CHECK_NE(NULL, childNode2);
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CHECK_NE(childNode1, childNode2);
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CHECK_EQ(childNode1, node.FindOrAddChild(&entry1));
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CHECK_EQ(childNode2, node.FindOrAddChild(&entry2));
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CodeEntry entry3(i::Logger::FUNCTION_TAG, "ccc", "", 0);
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ProfileNode* childNode3 = node.FindOrAddChild(&entry3);
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CHECK_NE(NULL, childNode3);
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CHECK_NE(childNode1, childNode3);
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CHECK_NE(childNode2, childNode3);
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CHECK_EQ(childNode1, node.FindOrAddChild(&entry1));
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CHECK_EQ(childNode2, node.FindOrAddChild(&entry2));
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CHECK_EQ(childNode3, node.FindOrAddChild(&entry3));
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}
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namespace {
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class ProfileTreeTestHelper {
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public:
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explicit ProfileTreeTestHelper(const ProfileTree* tree)
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: tree_(tree) { }
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ProfileNode* Walk(CodeEntry* entry1,
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CodeEntry* entry2 = NULL,
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CodeEntry* entry3 = NULL) {
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ProfileNode* node = tree_->root();
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node = node->FindChild(entry1);
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if (node == NULL) return NULL;
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if (entry2 != NULL) {
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node = node->FindChild(entry2);
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if (node == NULL) return NULL;
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}
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if (entry3 != NULL) {
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node = node->FindChild(entry3);
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}
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return node;
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}
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private:
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const ProfileTree* tree_;
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};
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} // namespace
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TEST(ProfileTreeAddPathFromStart) {
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CodeEntry entry1(i::Logger::FUNCTION_TAG, "aaa", "", 0);
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CodeEntry entry2(i::Logger::FUNCTION_TAG, "bbb", "", 0);
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CodeEntry entry3(i::Logger::FUNCTION_TAG, "ccc", "", 0);
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ProfileTree tree;
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ProfileTreeTestHelper helper(&tree);
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CHECK_EQ(NULL, helper.Walk(&entry1));
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CHECK_EQ(NULL, helper.Walk(&entry2));
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CHECK_EQ(NULL, helper.Walk(&entry3));
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CodeEntry* path[] = {NULL, &entry1, NULL, &entry2, NULL, NULL, &entry3, NULL};
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Vector<CodeEntry*> path_vec(path, sizeof(path) / sizeof(path[0]));
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tree.AddPathFromStart(path_vec);
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CHECK_EQ(NULL, helper.Walk(&entry2));
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CHECK_EQ(NULL, helper.Walk(&entry3));
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ProfileNode* node1 = helper.Walk(&entry1);
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CHECK_NE(NULL, node1);
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CHECK_EQ(0, node1->total_ticks());
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CHECK_EQ(0, node1->self_ticks());
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CHECK_EQ(NULL, helper.Walk(&entry1, &entry1));
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CHECK_EQ(NULL, helper.Walk(&entry1, &entry3));
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ProfileNode* node2 = helper.Walk(&entry1, &entry2);
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CHECK_NE(NULL, node2);
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CHECK_NE(node1, node2);
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CHECK_EQ(0, node2->total_ticks());
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CHECK_EQ(0, node2->self_ticks());
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CHECK_EQ(NULL, helper.Walk(&entry1, &entry2, &entry1));
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CHECK_EQ(NULL, helper.Walk(&entry1, &entry2, &entry2));
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ProfileNode* node3 = helper.Walk(&entry1, &entry2, &entry3);
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CHECK_NE(NULL, node3);
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CHECK_NE(node1, node3);
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CHECK_NE(node2, node3);
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CHECK_EQ(0, node3->total_ticks());
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CHECK_EQ(1, node3->self_ticks());
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tree.AddPathFromStart(path_vec);
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CHECK_EQ(node1, helper.Walk(&entry1));
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CHECK_EQ(node2, helper.Walk(&entry1, &entry2));
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CHECK_EQ(node3, helper.Walk(&entry1, &entry2, &entry3));
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CHECK_EQ(0, node1->total_ticks());
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CHECK_EQ(0, node1->self_ticks());
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CHECK_EQ(0, node2->total_ticks());
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CHECK_EQ(0, node2->self_ticks());
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CHECK_EQ(0, node3->total_ticks());
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CHECK_EQ(2, node3->self_ticks());
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CodeEntry* path2[] = {&entry1, &entry2, &entry2};
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Vector<CodeEntry*> path2_vec(path2, sizeof(path2) / sizeof(path2[0]));
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tree.AddPathFromStart(path2_vec);
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CHECK_EQ(NULL, helper.Walk(&entry2));
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CHECK_EQ(NULL, helper.Walk(&entry3));
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CHECK_EQ(node1, helper.Walk(&entry1));
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CHECK_EQ(NULL, helper.Walk(&entry1, &entry1));
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CHECK_EQ(NULL, helper.Walk(&entry1, &entry3));
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CHECK_EQ(node2, helper.Walk(&entry1, &entry2));
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CHECK_EQ(NULL, helper.Walk(&entry1, &entry2, &entry1));
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CHECK_EQ(node3, helper.Walk(&entry1, &entry2, &entry3));
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CHECK_EQ(0, node3->total_ticks());
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CHECK_EQ(2, node3->self_ticks());
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ProfileNode* node4 = helper.Walk(&entry1, &entry2, &entry2);
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CHECK_NE(NULL, node4);
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CHECK_NE(node3, node4);
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CHECK_EQ(0, node4->total_ticks());
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CHECK_EQ(1, node4->self_ticks());
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}
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TEST(ProfileTreeAddPathFromEnd) {
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CodeEntry entry1(i::Logger::FUNCTION_TAG, "aaa", "", 0);
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CodeEntry entry2(i::Logger::FUNCTION_TAG, "bbb", "", 0);
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CodeEntry entry3(i::Logger::FUNCTION_TAG, "ccc", "", 0);
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ProfileTree tree;
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ProfileTreeTestHelper helper(&tree);
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CHECK_EQ(NULL, helper.Walk(&entry1));
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CHECK_EQ(NULL, helper.Walk(&entry2));
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CHECK_EQ(NULL, helper.Walk(&entry3));
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CodeEntry* path[] = {NULL, &entry3, NULL, &entry2, NULL, NULL, &entry1, NULL};
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Vector<CodeEntry*> path_vec(path, sizeof(path) / sizeof(path[0]));
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tree.AddPathFromEnd(path_vec);
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CHECK_EQ(NULL, helper.Walk(&entry2));
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CHECK_EQ(NULL, helper.Walk(&entry3));
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ProfileNode* node1 = helper.Walk(&entry1);
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CHECK_NE(NULL, node1);
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CHECK_EQ(0, node1->total_ticks());
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CHECK_EQ(0, node1->self_ticks());
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CHECK_EQ(NULL, helper.Walk(&entry1, &entry1));
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CHECK_EQ(NULL, helper.Walk(&entry1, &entry3));
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ProfileNode* node2 = helper.Walk(&entry1, &entry2);
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CHECK_NE(NULL, node2);
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CHECK_NE(node1, node2);
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CHECK_EQ(0, node2->total_ticks());
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CHECK_EQ(0, node2->self_ticks());
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CHECK_EQ(NULL, helper.Walk(&entry1, &entry2, &entry1));
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CHECK_EQ(NULL, helper.Walk(&entry1, &entry2, &entry2));
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ProfileNode* node3 = helper.Walk(&entry1, &entry2, &entry3);
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CHECK_NE(NULL, node3);
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CHECK_NE(node1, node3);
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CHECK_NE(node2, node3);
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CHECK_EQ(0, node3->total_ticks());
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CHECK_EQ(1, node3->self_ticks());
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tree.AddPathFromEnd(path_vec);
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CHECK_EQ(node1, helper.Walk(&entry1));
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CHECK_EQ(node2, helper.Walk(&entry1, &entry2));
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CHECK_EQ(node3, helper.Walk(&entry1, &entry2, &entry3));
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CHECK_EQ(0, node1->total_ticks());
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CHECK_EQ(0, node1->self_ticks());
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CHECK_EQ(0, node2->total_ticks());
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CHECK_EQ(0, node2->self_ticks());
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CHECK_EQ(0, node3->total_ticks());
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CHECK_EQ(2, node3->self_ticks());
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CodeEntry* path2[] = {&entry2, &entry2, &entry1};
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Vector<CodeEntry*> path2_vec(path2, sizeof(path2) / sizeof(path2[0]));
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tree.AddPathFromEnd(path2_vec);
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CHECK_EQ(NULL, helper.Walk(&entry2));
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CHECK_EQ(NULL, helper.Walk(&entry3));
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CHECK_EQ(node1, helper.Walk(&entry1));
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CHECK_EQ(NULL, helper.Walk(&entry1, &entry1));
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CHECK_EQ(NULL, helper.Walk(&entry1, &entry3));
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CHECK_EQ(node2, helper.Walk(&entry1, &entry2));
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CHECK_EQ(NULL, helper.Walk(&entry1, &entry2, &entry1));
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CHECK_EQ(node3, helper.Walk(&entry1, &entry2, &entry3));
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CHECK_EQ(0, node3->total_ticks());
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CHECK_EQ(2, node3->self_ticks());
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ProfileNode* node4 = helper.Walk(&entry1, &entry2, &entry2);
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CHECK_NE(NULL, node4);
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CHECK_NE(node3, node4);
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CHECK_EQ(0, node4->total_ticks());
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CHECK_EQ(1, node4->self_ticks());
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}
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TEST(ProfileTreeCalculateTotalTicks) {
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ProfileTree empty_tree;
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CHECK_EQ(0, empty_tree.root()->total_ticks());
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CHECK_EQ(0, empty_tree.root()->self_ticks());
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empty_tree.CalculateTotalTicks();
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CHECK_EQ(0, empty_tree.root()->total_ticks());
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CHECK_EQ(0, empty_tree.root()->self_ticks());
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empty_tree.root()->IncrementSelfTicks();
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CHECK_EQ(0, empty_tree.root()->total_ticks());
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CHECK_EQ(1, empty_tree.root()->self_ticks());
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empty_tree.CalculateTotalTicks();
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CHECK_EQ(1, empty_tree.root()->total_ticks());
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CHECK_EQ(1, empty_tree.root()->self_ticks());
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CodeEntry entry1(i::Logger::FUNCTION_TAG, "aaa", "", 0);
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CodeEntry entry2(i::Logger::FUNCTION_TAG, "bbb", "", 0);
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CodeEntry* e1_path[] = {&entry1};
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Vector<CodeEntry*> e1_path_vec(
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e1_path, sizeof(e1_path) / sizeof(e1_path[0]));
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CodeEntry* e1_e2_path[] = {&entry1, &entry2};
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Vector<CodeEntry*> e1_e2_path_vec(
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e1_e2_path, sizeof(e1_e2_path) / sizeof(e1_e2_path[0]));
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ProfileTree flat_tree;
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ProfileTreeTestHelper flat_helper(&flat_tree);
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flat_tree.AddPathFromStart(e1_path_vec);
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flat_tree.AddPathFromStart(e1_path_vec);
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flat_tree.AddPathFromStart(e1_e2_path_vec);
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flat_tree.AddPathFromStart(e1_e2_path_vec);
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flat_tree.AddPathFromStart(e1_e2_path_vec);
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// Results in {root,0,0} -> {entry1,0,2} -> {entry2,0,3}
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CHECK_EQ(0, flat_tree.root()->total_ticks());
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CHECK_EQ(0, flat_tree.root()->self_ticks());
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ProfileNode* node1 = flat_helper.Walk(&entry1);
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CHECK_NE(NULL, node1);
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CHECK_EQ(0, node1->total_ticks());
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CHECK_EQ(2, node1->self_ticks());
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ProfileNode* node2 = flat_helper.Walk(&entry1, &entry2);
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CHECK_NE(NULL, node2);
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CHECK_EQ(0, node2->total_ticks());
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CHECK_EQ(3, node2->self_ticks());
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flat_tree.CalculateTotalTicks();
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// Must calculate {root,5,0} -> {entry1,5,2} -> {entry2,3,3}
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CHECK_EQ(5, flat_tree.root()->total_ticks());
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CHECK_EQ(0, flat_tree.root()->self_ticks());
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CHECK_EQ(5, node1->total_ticks());
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CHECK_EQ(2, node1->self_ticks());
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CHECK_EQ(3, node2->total_ticks());
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CHECK_EQ(3, node2->self_ticks());
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CodeEntry* e2_path[] = {&entry2};
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Vector<CodeEntry*> e2_path_vec(
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e2_path, sizeof(e2_path) / sizeof(e2_path[0]));
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CodeEntry entry3(i::Logger::FUNCTION_TAG, "ccc", "", 0);
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CodeEntry* e3_path[] = {&entry3};
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Vector<CodeEntry*> e3_path_vec(
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e3_path, sizeof(e3_path) / sizeof(e3_path[0]));
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ProfileTree wide_tree;
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ProfileTreeTestHelper wide_helper(&wide_tree);
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wide_tree.AddPathFromStart(e1_path_vec);
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wide_tree.AddPathFromStart(e1_path_vec);
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wide_tree.AddPathFromStart(e1_e2_path_vec);
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wide_tree.AddPathFromStart(e2_path_vec);
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wide_tree.AddPathFromStart(e2_path_vec);
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wide_tree.AddPathFromStart(e2_path_vec);
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wide_tree.AddPathFromStart(e3_path_vec);
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wide_tree.AddPathFromStart(e3_path_vec);
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wide_tree.AddPathFromStart(e3_path_vec);
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wide_tree.AddPathFromStart(e3_path_vec);
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// Results in -> {entry1,0,2} -> {entry2,0,1}
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// {root,0,0} -> {entry2,0,3}
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// -> {entry3,0,4}
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CHECK_EQ(0, wide_tree.root()->total_ticks());
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CHECK_EQ(0, wide_tree.root()->self_ticks());
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node1 = wide_helper.Walk(&entry1);
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CHECK_NE(NULL, node1);
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CHECK_EQ(0, node1->total_ticks());
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CHECK_EQ(2, node1->self_ticks());
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ProfileNode* node1_2 = wide_helper.Walk(&entry1, &entry2);
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CHECK_NE(NULL, node1_2);
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CHECK_EQ(0, node1_2->total_ticks());
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CHECK_EQ(1, node1_2->self_ticks());
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node2 = wide_helper.Walk(&entry2);
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CHECK_NE(NULL, node2);
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CHECK_EQ(0, node2->total_ticks());
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CHECK_EQ(3, node2->self_ticks());
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ProfileNode* node3 = wide_helper.Walk(&entry3);
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CHECK_NE(NULL, node3);
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CHECK_EQ(0, node3->total_ticks());
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CHECK_EQ(4, node3->self_ticks());
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wide_tree.CalculateTotalTicks();
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// Calculates -> {entry1,3,2} -> {entry2,1,1}
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// {root,10,0} -> {entry2,3,3}
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// -> {entry3,4,4}
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CHECK_EQ(10, wide_tree.root()->total_ticks());
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CHECK_EQ(0, wide_tree.root()->self_ticks());
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CHECK_EQ(3, node1->total_ticks());
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CHECK_EQ(2, node1->self_ticks());
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CHECK_EQ(1, node1_2->total_ticks());
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CHECK_EQ(1, node1_2->self_ticks());
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CHECK_EQ(3, node2->total_ticks());
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CHECK_EQ(3, node2->self_ticks());
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CHECK_EQ(4, node3->total_ticks());
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CHECK_EQ(4, node3->self_ticks());
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}
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static inline i::Address ToAddress(int n) {
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return reinterpret_cast<i::Address>(n);
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}
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TEST(CodeMapAddCode) {
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CodeMap code_map;
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CodeEntry entry1(i::Logger::FUNCTION_TAG, "aaa", "", 0);
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CodeEntry entry2(i::Logger::FUNCTION_TAG, "bbb", "", 0);
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CodeEntry entry3(i::Logger::FUNCTION_TAG, "ccc", "", 0);
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CodeEntry entry4(i::Logger::FUNCTION_TAG, "ddd", "", 0);
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code_map.AddCode(ToAddress(0x1500), &entry1, 0x200);
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code_map.AddCode(ToAddress(0x1700), &entry2, 0x100);
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code_map.AddCode(ToAddress(0x1900), &entry3, 0x50);
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code_map.AddCode(ToAddress(0x1950), &entry4, 0x10);
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CHECK_EQ(NULL, code_map.FindEntry(0));
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CHECK_EQ(NULL, code_map.FindEntry(ToAddress(0x1500 - 1)));
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CHECK_EQ(&entry1, code_map.FindEntry(ToAddress(0x1500)));
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CHECK_EQ(&entry1, code_map.FindEntry(ToAddress(0x1500 + 0x100)));
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CHECK_EQ(&entry1, code_map.FindEntry(ToAddress(0x1500 + 0x200 - 1)));
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CHECK_EQ(&entry2, code_map.FindEntry(ToAddress(0x1700)));
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CHECK_EQ(&entry2, code_map.FindEntry(ToAddress(0x1700 + 0x50)));
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CHECK_EQ(&entry2, code_map.FindEntry(ToAddress(0x1700 + 0x100 - 1)));
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CHECK_EQ(NULL, code_map.FindEntry(ToAddress(0x1700 + 0x100)));
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CHECK_EQ(NULL, code_map.FindEntry(ToAddress(0x1900 - 1)));
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CHECK_EQ(&entry3, code_map.FindEntry(ToAddress(0x1900)));
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CHECK_EQ(&entry3, code_map.FindEntry(ToAddress(0x1900 + 0x28)));
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CHECK_EQ(&entry4, code_map.FindEntry(ToAddress(0x1950)));
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CHECK_EQ(&entry4, code_map.FindEntry(ToAddress(0x1950 + 0x7)));
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CHECK_EQ(&entry4, code_map.FindEntry(ToAddress(0x1950 + 0x10 - 1)));
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CHECK_EQ(NULL, code_map.FindEntry(ToAddress(0x1950 + 0x10)));
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CHECK_EQ(NULL, code_map.FindEntry(ToAddress(0xFFFFFFFF)));
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}
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TEST(CodeMapMoveAndDeleteCode) {
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CodeMap code_map;
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CodeEntry entry1(i::Logger::FUNCTION_TAG, "aaa", "", 0);
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CodeEntry entry2(i::Logger::FUNCTION_TAG, "bbb", "", 0);
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code_map.AddCode(ToAddress(0x1500), &entry1, 0x200);
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code_map.AddCode(ToAddress(0x1700), &entry2, 0x100);
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CHECK_EQ(&entry1, code_map.FindEntry(ToAddress(0x1500)));
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CHECK_EQ(&entry2, code_map.FindEntry(ToAddress(0x1700)));
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code_map.MoveCode(ToAddress(0x1500), ToAddress(0x1800));
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CHECK_EQ(NULL, code_map.FindEntry(ToAddress(0x1500)));
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CHECK_EQ(&entry2, code_map.FindEntry(ToAddress(0x1700)));
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CHECK_EQ(&entry1, code_map.FindEntry(ToAddress(0x1800)));
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code_map.DeleteCode(ToAddress(0x1700));
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CHECK_EQ(NULL, code_map.FindEntry(ToAddress(0x1700)));
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CHECK_EQ(&entry1, code_map.FindEntry(ToAddress(0x1800)));
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}
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TEST(RecordTickSample) {
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CpuProfilesCollection profiles;
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profiles.StartProfiling("", 1);
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ProfileGenerator generator(&profiles);
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CodeEntry* entry1 = generator.NewCodeEntry(i::Logger::FUNCTION_TAG, "aaa");
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CodeEntry* entry2 = generator.NewCodeEntry(i::Logger::FUNCTION_TAG, "bbb");
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CodeEntry* entry3 = generator.NewCodeEntry(i::Logger::FUNCTION_TAG, "ccc");
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generator.code_map()->AddCode(ToAddress(0x1500), entry1, 0x200);
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generator.code_map()->AddCode(ToAddress(0x1700), entry2, 0x100);
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generator.code_map()->AddCode(ToAddress(0x1900), entry3, 0x50);
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// We are building the following calls tree:
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// -> aaa - sample1
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// aaa -> bbb -> ccc - sample2
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// -> ccc -> aaa - sample3
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TickSample sample1;
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sample1.pc = ToAddress(0x1600);
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sample1.function = ToAddress(0x1500);
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sample1.stack[0] = ToAddress(0x1510);
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sample1.frames_count = 1;
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generator.RecordTickSample(sample1);
|
|
TickSample sample2;
|
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sample2.pc = ToAddress(0x1925);
|
|
sample2.function = ToAddress(0x1900);
|
|
sample2.stack[0] = ToAddress(0x1780);
|
|
sample2.stack[1] = ToAddress(0x10000); // non-existent.
|
|
sample2.stack[2] = ToAddress(0x1620);
|
|
sample2.frames_count = 3;
|
|
generator.RecordTickSample(sample2);
|
|
TickSample sample3;
|
|
sample3.pc = ToAddress(0x1510);
|
|
sample3.function = ToAddress(0x1500);
|
|
sample3.stack[0] = ToAddress(0x1910);
|
|
sample3.stack[1] = ToAddress(0x1610);
|
|
sample3.frames_count = 2;
|
|
generator.RecordTickSample(sample3);
|
|
|
|
CpuProfile* profile = profiles.StopProfiling("");
|
|
CHECK_NE(NULL, profile);
|
|
ProfileTreeTestHelper top_down_test_helper(profile->top_down());
|
|
CHECK_EQ(NULL, top_down_test_helper.Walk(entry2));
|
|
CHECK_EQ(NULL, top_down_test_helper.Walk(entry3));
|
|
ProfileNode* node1 = top_down_test_helper.Walk(entry1);
|
|
CHECK_NE(NULL, node1);
|
|
CHECK_EQ(entry1, node1->entry());
|
|
ProfileNode* node2 = top_down_test_helper.Walk(entry1, entry1);
|
|
CHECK_NE(NULL, node2);
|
|
CHECK_EQ(entry1, node2->entry());
|
|
ProfileNode* node3 = top_down_test_helper.Walk(entry1, entry2, entry3);
|
|
CHECK_NE(NULL, node3);
|
|
CHECK_EQ(entry3, node3->entry());
|
|
ProfileNode* node4 = top_down_test_helper.Walk(entry1, entry3, entry1);
|
|
CHECK_NE(NULL, node4);
|
|
CHECK_EQ(entry1, node4->entry());
|
|
}
|
|
|
|
#endif // ENABLE_CPP_PROFILES_PROCESSOR
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