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830 lines
29 KiB
830 lines
29 KiB
// Copyright 2010 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Tests of profiles generator and utilities.
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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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#include "cpu-profiler.h"
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#include "../include/v8-profiler.h"
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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::CpuProfiler;
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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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ProfileTree tree;
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ProfileNode node(&tree, NULL);
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CodeEntry entry1(i::Logger::FUNCTION_TAG, "aaa");
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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");
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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");
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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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TEST(ProfileNodeFindOrAddChildForSameFunction) {
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const char* aaa = "aaa";
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ProfileTree tree;
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ProfileNode node(&tree, NULL);
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CodeEntry entry1(i::Logger::FUNCTION_TAG, aaa);
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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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// The same function again.
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CodeEntry entry2(i::Logger::FUNCTION_TAG, aaa);
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CHECK_EQ(childNode1, node.FindOrAddChild(&entry2));
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// Now with a different security token.
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CodeEntry entry3(i::Logger::FUNCTION_TAG, aaa);
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CHECK_EQ(childNode1, 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");
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CodeEntry entry2(i::Logger::FUNCTION_TAG, "bbb");
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CodeEntry entry3(i::Logger::FUNCTION_TAG, "ccc");
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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->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->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(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->self_ticks());
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CHECK_EQ(0, node2->self_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(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(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");
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CodeEntry entry2(i::Logger::FUNCTION_TAG, "bbb");
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CodeEntry entry3(i::Logger::FUNCTION_TAG, "ccc");
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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->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->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(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->self_ticks());
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CHECK_EQ(0, node2->self_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(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(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()->self_ticks());
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empty_tree.root()->IncrementSelfTicks();
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CHECK_EQ(1, empty_tree.root()->self_ticks());
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CodeEntry entry1(i::Logger::FUNCTION_TAG, "aaa");
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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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ProfileTree single_child_tree;
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single_child_tree.AddPathFromStart(e1_path_vec);
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single_child_tree.root()->IncrementSelfTicks();
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CHECK_EQ(1, single_child_tree.root()->self_ticks());
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ProfileTreeTestHelper single_child_helper(&single_child_tree);
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ProfileNode* node1 = single_child_helper.Walk(&entry1);
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CHECK_NE(NULL, node1);
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CHECK_EQ(1, single_child_tree.root()->self_ticks());
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CHECK_EQ(1, node1->self_ticks());
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CodeEntry entry2(i::Logger::FUNCTION_TAG, "bbb");
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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()->self_ticks());
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node1 = flat_helper.Walk(&entry1);
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CHECK_NE(NULL, node1);
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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(3, node2->self_ticks());
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// Must calculate {root,5,0} -> {entry1,5,2} -> {entry2,3,3}
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CHECK_EQ(0, flat_tree.root()->self_ticks());
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CHECK_EQ(2, node1->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");
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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()->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(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(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(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(4, node3->self_ticks());
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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(0, wide_tree.root()->self_ticks());
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CHECK_EQ(2, node1->self_ticks());
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CHECK_EQ(1, node1_2->self_ticks());
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CHECK_EQ(3, node2->self_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");
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CodeEntry entry2(i::Logger::FUNCTION_TAG, "bbb");
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CodeEntry entry3(i::Logger::FUNCTION_TAG, "ccc");
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CodeEntry entry4(i::Logger::FUNCTION_TAG, "ddd");
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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");
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CodeEntry entry2(i::Logger::FUNCTION_TAG, "bbb");
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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(0x1700)); // Deprecate bbb.
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CHECK_EQ(NULL, code_map.FindEntry(ToAddress(0x1500)));
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CHECK_EQ(&entry1, code_map.FindEntry(ToAddress(0x1700)));
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CodeEntry entry3(i::Logger::FUNCTION_TAG, "ccc");
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code_map.AddCode(ToAddress(0x1750), &entry3, 0x100);
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CHECK_EQ(NULL, code_map.FindEntry(ToAddress(0x1700)));
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CHECK_EQ(&entry3, code_map.FindEntry(ToAddress(0x1750)));
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}
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namespace {
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class TestSetup {
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public:
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TestSetup()
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: old_flag_prof_browser_mode_(i::FLAG_prof_browser_mode) {
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i::FLAG_prof_browser_mode = false;
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}
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~TestSetup() {
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i::FLAG_prof_browser_mode = old_flag_prof_browser_mode_;
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}
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private:
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bool old_flag_prof_browser_mode_;
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};
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} // namespace
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TEST(RecordTickSample) {
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TestSetup test_setup;
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CpuProfilesCollection profiles(CcTest::heap());
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profiles.StartProfiling("", 1, false);
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ProfileGenerator generator(&profiles);
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CodeEntry* entry1 = profiles.NewCodeEntry(i::Logger::FUNCTION_TAG, "aaa");
|
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CodeEntry* entry2 = profiles.NewCodeEntry(i::Logger::FUNCTION_TAG, "bbb");
|
|
CodeEntry* entry3 = profiles.NewCodeEntry(i::Logger::FUNCTION_TAG, "ccc");
|
|
generator.code_map()->AddCode(ToAddress(0x1500), entry1, 0x200);
|
|
generator.code_map()->AddCode(ToAddress(0x1700), entry2, 0x100);
|
|
generator.code_map()->AddCode(ToAddress(0x1900), entry3, 0x50);
|
|
|
|
// We are building the following calls tree:
|
|
// -> aaa - sample1
|
|
// aaa -> bbb -> ccc - sample2
|
|
// -> ccc -> aaa - sample3
|
|
TickSample sample1;
|
|
sample1.pc = ToAddress(0x1600);
|
|
sample1.tos = ToAddress(0x1500);
|
|
sample1.stack[0] = ToAddress(0x1510);
|
|
sample1.frames_count = 1;
|
|
generator.RecordTickSample(sample1);
|
|
TickSample sample2;
|
|
sample2.pc = ToAddress(0x1925);
|
|
sample2.tos = 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.tos = 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());
|
|
}
|
|
|
|
|
|
static void CheckNodeIds(ProfileNode* node, int* expectedId) {
|
|
CHECK_EQ((*expectedId)++, node->id());
|
|
for (int i = 0; i < node->children()->length(); i++) {
|
|
CheckNodeIds(node->children()->at(i), expectedId);
|
|
}
|
|
}
|
|
|
|
|
|
TEST(SampleIds) {
|
|
TestSetup test_setup;
|
|
CpuProfilesCollection profiles(CcTest::heap());
|
|
profiles.StartProfiling("", 1, true);
|
|
ProfileGenerator generator(&profiles);
|
|
CodeEntry* entry1 = profiles.NewCodeEntry(i::Logger::FUNCTION_TAG, "aaa");
|
|
CodeEntry* entry2 = profiles.NewCodeEntry(i::Logger::FUNCTION_TAG, "bbb");
|
|
CodeEntry* entry3 = profiles.NewCodeEntry(i::Logger::FUNCTION_TAG, "ccc");
|
|
generator.code_map()->AddCode(ToAddress(0x1500), entry1, 0x200);
|
|
generator.code_map()->AddCode(ToAddress(0x1700), entry2, 0x100);
|
|
generator.code_map()->AddCode(ToAddress(0x1900), entry3, 0x50);
|
|
|
|
// We are building the following calls tree:
|
|
// -> aaa #3 - sample1
|
|
// (root)#1 -> aaa #2 -> bbb #4 -> ccc #5 - sample2
|
|
// -> ccc #6 -> aaa #7 - sample3
|
|
TickSample sample1;
|
|
sample1.pc = ToAddress(0x1600);
|
|
sample1.stack[0] = ToAddress(0x1510);
|
|
sample1.frames_count = 1;
|
|
generator.RecordTickSample(sample1);
|
|
TickSample sample2;
|
|
sample2.pc = ToAddress(0x1925);
|
|
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.stack[0] = ToAddress(0x1910);
|
|
sample3.stack[1] = ToAddress(0x1610);
|
|
sample3.frames_count = 2;
|
|
generator.RecordTickSample(sample3);
|
|
|
|
CpuProfile* profile = profiles.StopProfiling("");
|
|
int nodeId = 1;
|
|
CheckNodeIds(profile->top_down()->root(), &nodeId);
|
|
CHECK_EQ(7, nodeId - 1);
|
|
|
|
CHECK_EQ(3, profile->samples_count());
|
|
int expected_id[] = {3, 5, 7};
|
|
for (int i = 0; i < 3; i++) {
|
|
CHECK_EQ(expected_id[i], profile->sample(i)->id());
|
|
}
|
|
}
|
|
|
|
|
|
TEST(NoSamples) {
|
|
TestSetup test_setup;
|
|
CpuProfilesCollection profiles(CcTest::heap());
|
|
profiles.StartProfiling("", 1, false);
|
|
ProfileGenerator generator(&profiles);
|
|
CodeEntry* entry1 = profiles.NewCodeEntry(i::Logger::FUNCTION_TAG, "aaa");
|
|
generator.code_map()->AddCode(ToAddress(0x1500), entry1, 0x200);
|
|
|
|
// We are building the following calls tree:
|
|
// (root)#1 -> aaa #2 -> aaa #3 - sample1
|
|
TickSample sample1;
|
|
sample1.pc = ToAddress(0x1600);
|
|
sample1.stack[0] = ToAddress(0x1510);
|
|
sample1.frames_count = 1;
|
|
generator.RecordTickSample(sample1);
|
|
|
|
CpuProfile* profile = profiles.StopProfiling("");
|
|
int nodeId = 1;
|
|
CheckNodeIds(profile->top_down()->root(), &nodeId);
|
|
CHECK_EQ(3, nodeId - 1);
|
|
|
|
CHECK_EQ(0, profile->samples_count());
|
|
}
|
|
|
|
|
|
// --- P r o f i l e r E x t e n s i o n ---
|
|
|
|
class ProfilerExtension : public v8::Extension {
|
|
public:
|
|
ProfilerExtension() : v8::Extension("v8/profiler", kSource) { }
|
|
virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
|
|
v8::Handle<v8::String> name);
|
|
static void StartProfiling(const v8::FunctionCallbackInfo<v8::Value>& args);
|
|
static void StopProfiling(const v8::FunctionCallbackInfo<v8::Value>& args);
|
|
private:
|
|
static const char* kSource;
|
|
};
|
|
|
|
|
|
const char* ProfilerExtension::kSource =
|
|
"native function startProfiling();"
|
|
"native function stopProfiling();";
|
|
|
|
v8::Handle<v8::FunctionTemplate> ProfilerExtension::GetNativeFunction(
|
|
v8::Handle<v8::String> name) {
|
|
if (name->Equals(v8::String::New("startProfiling"))) {
|
|
return v8::FunctionTemplate::New(ProfilerExtension::StartProfiling);
|
|
} else if (name->Equals(v8::String::New("stopProfiling"))) {
|
|
return v8::FunctionTemplate::New(ProfilerExtension::StopProfiling);
|
|
} else {
|
|
CHECK(false);
|
|
return v8::Handle<v8::FunctionTemplate>();
|
|
}
|
|
}
|
|
|
|
|
|
void ProfilerExtension::StartProfiling(
|
|
const v8::FunctionCallbackInfo<v8::Value>& args) {
|
|
v8::CpuProfiler* cpu_profiler = args.GetIsolate()->GetCpuProfiler();
|
|
if (args.Length() > 0)
|
|
cpu_profiler->StartCpuProfiling(args[0].As<v8::String>());
|
|
else
|
|
cpu_profiler->StartCpuProfiling(v8::String::New(""));
|
|
}
|
|
|
|
|
|
void ProfilerExtension::StopProfiling(
|
|
const v8::FunctionCallbackInfo<v8::Value>& args) {
|
|
v8::CpuProfiler* cpu_profiler = args.GetIsolate()->GetCpuProfiler();
|
|
if (args.Length() > 0)
|
|
cpu_profiler->StopCpuProfiling(args[0].As<v8::String>());
|
|
else
|
|
cpu_profiler->StopCpuProfiling(v8::String::New(""));
|
|
}
|
|
|
|
|
|
static ProfilerExtension kProfilerExtension;
|
|
v8::DeclareExtension kProfilerExtensionDeclaration(&kProfilerExtension);
|
|
|
|
static const ProfileNode* PickChild(const ProfileNode* parent,
|
|
const char* name) {
|
|
for (int i = 0; i < parent->children()->length(); ++i) {
|
|
const ProfileNode* child = parent->children()->at(i);
|
|
if (strcmp(child->entry()->name(), name) == 0) return child;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
|
|
TEST(RecordStackTraceAtStartProfiling) {
|
|
// This test does not pass with inlining enabled since inlined functions
|
|
// don't appear in the stack trace.
|
|
i::FLAG_use_inlining = false;
|
|
|
|
v8::Isolate* isolate = CcTest::isolate();
|
|
v8::HandleScope scope(isolate);
|
|
const char* extensions[] = { "v8/profiler" };
|
|
v8::ExtensionConfiguration config(1, extensions);
|
|
v8::Local<v8::Context> context = v8::Context::New(isolate, &config);
|
|
context->Enter();
|
|
|
|
CpuProfiler* profiler = CcTest::i_isolate()->cpu_profiler();
|
|
CHECK_EQ(0, profiler->GetProfilesCount());
|
|
CompileRun(
|
|
"function c() { startProfiling(); }\n"
|
|
"function b() { c(); }\n"
|
|
"function a() { b(); }\n"
|
|
"a();\n"
|
|
"stopProfiling();");
|
|
CHECK_EQ(1, profiler->GetProfilesCount());
|
|
CpuProfile* profile = profiler->GetProfile(0);
|
|
const ProfileTree* topDown = profile->top_down();
|
|
const ProfileNode* current = topDown->root();
|
|
const_cast<ProfileNode*>(current)->Print(0);
|
|
// The tree should look like this:
|
|
// (root)
|
|
// (anonymous function)
|
|
// a
|
|
// b
|
|
// c
|
|
// There can also be:
|
|
// startProfiling
|
|
// if the sampler managed to get a tick.
|
|
current = PickChild(current, "(anonymous function)");
|
|
CHECK_NE(NULL, const_cast<ProfileNode*>(current));
|
|
current = PickChild(current, "a");
|
|
CHECK_NE(NULL, const_cast<ProfileNode*>(current));
|
|
current = PickChild(current, "b");
|
|
CHECK_NE(NULL, const_cast<ProfileNode*>(current));
|
|
current = PickChild(current, "c");
|
|
CHECK_NE(NULL, const_cast<ProfileNode*>(current));
|
|
CHECK(current->children()->length() == 0 ||
|
|
current->children()->length() == 1);
|
|
if (current->children()->length() == 1) {
|
|
current = PickChild(current, "startProfiling");
|
|
CHECK_EQ(0, current->children()->length());
|
|
}
|
|
}
|
|
|
|
|
|
TEST(Issue51919) {
|
|
CpuProfilesCollection collection(CcTest::heap());
|
|
i::EmbeddedVector<char*,
|
|
CpuProfilesCollection::kMaxSimultaneousProfiles> titles;
|
|
for (int i = 0; i < CpuProfilesCollection::kMaxSimultaneousProfiles; ++i) {
|
|
i::Vector<char> title = i::Vector<char>::New(16);
|
|
i::OS::SNPrintF(title, "%d", i);
|
|
// UID must be > 0.
|
|
CHECK(collection.StartProfiling(title.start(), i + 1, false));
|
|
titles[i] = title.start();
|
|
}
|
|
CHECK(!collection.StartProfiling(
|
|
"maximum", CpuProfilesCollection::kMaxSimultaneousProfiles + 1, false));
|
|
for (int i = 0; i < CpuProfilesCollection::kMaxSimultaneousProfiles; ++i)
|
|
i::DeleteArray(titles[i]);
|
|
}
|
|
|
|
|
|
static const v8::CpuProfileNode* PickChild(const v8::CpuProfileNode* parent,
|
|
const char* name) {
|
|
for (int i = 0; i < parent->GetChildrenCount(); ++i) {
|
|
const v8::CpuProfileNode* child = parent->GetChild(i);
|
|
v8::String::AsciiValue function_name(child->GetFunctionName());
|
|
if (strcmp(*function_name, name) == 0) return child;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
|
|
TEST(ProfileNodeScriptId) {
|
|
// This test does not pass with inlining enabled since inlined functions
|
|
// don't appear in the stack trace.
|
|
i::FLAG_use_inlining = false;
|
|
|
|
const char* extensions[] = { "v8/profiler" };
|
|
v8::ExtensionConfiguration config(1, extensions);
|
|
LocalContext env(&config);
|
|
v8::HandleScope hs(env->GetIsolate());
|
|
|
|
v8::CpuProfiler* profiler = env->GetIsolate()->GetCpuProfiler();
|
|
CHECK_EQ(0, profiler->GetProfileCount());
|
|
v8::Handle<v8::Script> script_a = v8::Script::Compile(v8::String::New(
|
|
"function a() { startProfiling(); }\n"));
|
|
script_a->Run();
|
|
v8::Handle<v8::Script> script_b = v8::Script::Compile(v8::String::New(
|
|
"function b() { a(); }\n"
|
|
"b();\n"
|
|
"stopProfiling();\n"));
|
|
script_b->Run();
|
|
CHECK_EQ(1, profiler->GetProfileCount());
|
|
const v8::CpuProfile* profile = profiler->GetCpuProfile(0);
|
|
const v8::CpuProfileNode* current = profile->GetTopDownRoot();
|
|
reinterpret_cast<ProfileNode*>(
|
|
const_cast<v8::CpuProfileNode*>(current))->Print(0);
|
|
// The tree should look like this:
|
|
// (root)
|
|
// (anonymous function)
|
|
// b
|
|
// a
|
|
// There can also be:
|
|
// startProfiling
|
|
// if the sampler managed to get a tick.
|
|
current = PickChild(current, i::ProfileGenerator::kAnonymousFunctionName);
|
|
CHECK_NE(NULL, const_cast<v8::CpuProfileNode*>(current));
|
|
|
|
current = PickChild(current, "b");
|
|
CHECK_NE(NULL, const_cast<v8::CpuProfileNode*>(current));
|
|
CHECK_EQ(script_b->GetId(), current->GetScriptId());
|
|
|
|
current = PickChild(current, "a");
|
|
CHECK_NE(NULL, const_cast<v8::CpuProfileNode*>(current));
|
|
CHECK_EQ(script_a->GetId(), current->GetScriptId());
|
|
}
|
|
|
|
|
|
|
|
|
|
static const char* line_number_test_source_existing_functions =
|
|
"function foo_at_the_first_line() {\n"
|
|
"}\n"
|
|
"foo_at_the_first_line();\n"
|
|
"function lazy_func_at_forth_line() {}\n";
|
|
|
|
|
|
static const char* line_number_test_source_profile_time_functions =
|
|
"// Empty first line\n"
|
|
"function bar_at_the_second_line() {\n"
|
|
" foo_at_the_first_line();\n"
|
|
"}\n"
|
|
"bar_at_the_second_line();\n"
|
|
"function lazy_func_at_6th_line() {}";
|
|
|
|
int GetFunctionLineNumber(LocalContext* env, const char* name) {
|
|
CpuProfiler* profiler = CcTest::i_isolate()->cpu_profiler();
|
|
CodeMap* code_map = profiler->generator()->code_map();
|
|
i::Handle<i::JSFunction> func = v8::Utils::OpenHandle(
|
|
*v8::Local<v8::Function>::Cast(
|
|
(*(*env))->Global()->Get(v8_str(name))));
|
|
CodeEntry* func_entry = code_map->FindEntry(func->code()->address());
|
|
if (!func_entry)
|
|
FATAL(name);
|
|
return func_entry->line_number();
|
|
}
|
|
|
|
|
|
TEST(LineNumber) {
|
|
i::FLAG_use_inlining = false;
|
|
|
|
CcTest::InitializeVM();
|
|
LocalContext env;
|
|
i::Isolate* isolate = CcTest::i_isolate();
|
|
TestSetup test_setup;
|
|
|
|
i::HandleScope scope(isolate);
|
|
|
|
CompileRun(line_number_test_source_existing_functions);
|
|
|
|
CpuProfiler* profiler = isolate->cpu_profiler();
|
|
profiler->StartProfiling("LineNumber");
|
|
|
|
CompileRun(line_number_test_source_profile_time_functions);
|
|
|
|
profiler->processor()->StopSynchronously();
|
|
|
|
CHECK_EQ(1, GetFunctionLineNumber(&env, "foo_at_the_first_line"));
|
|
CHECK_EQ(0, GetFunctionLineNumber(&env, "lazy_func_at_forth_line"));
|
|
CHECK_EQ(2, GetFunctionLineNumber(&env, "bar_at_the_second_line"));
|
|
CHECK_EQ(0, GetFunctionLineNumber(&env, "lazy_func_at_6th_line"));
|
|
|
|
profiler->StopProfiling("LineNumber");
|
|
}
|
|
|
|
|
|
|
|
TEST(BailoutReason) {
|
|
const char* extensions[] = { "v8/profiler" };
|
|
v8::ExtensionConfiguration config(1, extensions);
|
|
LocalContext env(&config);
|
|
v8::HandleScope hs(env->GetIsolate());
|
|
|
|
v8::CpuProfiler* profiler = env->GetIsolate()->GetCpuProfiler();
|
|
CHECK_EQ(0, profiler->GetProfileCount());
|
|
v8::Handle<v8::Script> script = v8::Script::Compile(v8::String::New(
|
|
"function TryCatch() {\n"
|
|
" try {\n"
|
|
" startProfiling();\n"
|
|
" } catch (e) { };\n"
|
|
"}\n"
|
|
"function TryFinally() {\n"
|
|
" try {\n"
|
|
" TryCatch();\n"
|
|
" } finally { };\n"
|
|
"}\n"
|
|
"TryFinally();\n"
|
|
"stopProfiling();"));
|
|
script->Run();
|
|
CHECK_EQ(1, profiler->GetProfileCount());
|
|
const v8::CpuProfile* profile = profiler->GetCpuProfile(0);
|
|
const v8::CpuProfileNode* current = profile->GetTopDownRoot();
|
|
reinterpret_cast<ProfileNode*>(
|
|
const_cast<v8::CpuProfileNode*>(current))->Print(0);
|
|
// The tree should look like this:
|
|
// (root)
|
|
// (anonymous function)
|
|
// kTryFinally
|
|
// kTryCatch
|
|
current = PickChild(current, i::ProfileGenerator::kAnonymousFunctionName);
|
|
CHECK_NE(NULL, const_cast<v8::CpuProfileNode*>(current));
|
|
|
|
current = PickChild(current, "TryFinally");
|
|
CHECK_NE(NULL, const_cast<v8::CpuProfileNode*>(current));
|
|
CHECK(!strcmp("TryFinallyStatement", current->GetBailoutReason()));
|
|
|
|
current = PickChild(current, "TryCatch");
|
|
CHECK_NE(NULL, const_cast<v8::CpuProfileNode*>(current));
|
|
CHECK(!strcmp("TryCatchStatement", current->GetBailoutReason()));
|
|
}
|
|
|