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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // | 4 // |
5 // Tests the sampling API in include/v8.h | 5 // Tests the sampling API in include/v8.h |
6 | 6 |
7 // TODO(mythria): Remove this define after this flag is turned on globally | 7 // TODO(mythria): Remove this define after this flag is turned on globally |
8 #define V8_IMMINENT_DEPRECATION_WARNINGS | 8 #define V8_IMMINENT_DEPRECATION_WARNINGS |
9 | 9 |
10 #include <map> | 10 #include <map> |
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219 } | 219 } |
220 | 220 |
221 | 221 |
222 // The captured sample should have three pc values. | 222 // The captured sample should have three pc values. |
223 // They should fall in the range where the compiled code resides. | 223 // They should fall in the range where the compiled code resides. |
224 // The expected stack is: | 224 // The expected stack is: |
225 // bottom of stack [{anon script}, outer, inner] top of stack | 225 // bottom of stack [{anon script}, outer, inner] top of stack |
226 // ^ ^ ^ | 226 // ^ ^ ^ |
227 // sample.stack indices 2 1 0 | 227 // sample.stack indices 2 1 0 |
228 TEST(StackFramesConsistent) { | 228 TEST(StackFramesConsistent) { |
229 // Note: The arguments.callee stuff is there so that the | 229 i::FLAG_allow_natives_syntax = true; |
230 // functions are not optimized away. | |
231 const char* test_script = | 230 const char* test_script = |
232 "function test_sampler_api_inner() {" | 231 "function test_sampler_api_inner() {" |
233 " CollectSample();" | 232 " CollectSample();" |
234 " return arguments.callee.toString();" | 233 " return 0;" |
235 "}" | 234 "}" |
236 "function test_sampler_api_outer() {" | 235 "function test_sampler_api_outer() {" |
237 " return test_sampler_api_inner() + arguments.callee.toString();" | 236 " return test_sampler_api_inner();" |
238 "}" | 237 "}" |
| 238 "%NeverOptimizeFunction(test_sampler_api_inner);" |
| 239 "%NeverOptimizeFunction(test_sampler_api_outer);" |
239 "test_sampler_api_outer();"; | 240 "test_sampler_api_outer();"; |
240 | 241 |
241 SamplingTestHelper helper(test_script); | 242 SamplingTestHelper helper(test_script); |
242 Sample& sample = helper.sample(); | 243 Sample& sample = helper.sample(); |
243 CHECK_EQ(3, sample.size()); | 244 CHECK_EQ(3, sample.size()); |
244 | 245 |
245 const SamplingTestHelper::CodeEventEntry* entry; | 246 const SamplingTestHelper::CodeEventEntry* entry; |
246 entry = helper.FindEventEntry(sample.begin()[0]); | 247 entry = helper.FindEventEntry(sample.begin()[0]); |
247 CHECK(entry); | 248 CHECK(entry); |
248 CHECK(std::string::npos != entry->name.find("test_sampler_api_inner")); | 249 CHECK(std::string::npos != entry->name.find("test_sampler_api_inner")); |
249 | 250 |
250 entry = helper.FindEventEntry(sample.begin()[1]); | 251 entry = helper.FindEventEntry(sample.begin()[1]); |
251 CHECK(entry); | 252 CHECK(entry); |
252 CHECK(std::string::npos != entry->name.find("test_sampler_api_outer")); | 253 CHECK(std::string::npos != entry->name.find("test_sampler_api_outer")); |
253 } | 254 } |
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