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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 #include <limits> | 5 #include <limits> |
6 | 6 |
7 #include "src/heap/gc-idle-time-handler.h" | 7 #include "src/heap/gc-idle-time-handler.h" |
8 #include "testing/gtest/include/gtest/gtest.h" | 8 #include "testing/gtest/include/gtest/gtest.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
11 namespace internal { | 11 namespace internal { |
12 | 12 |
13 namespace { | 13 namespace { |
14 | 14 |
15 class GCIdleTimeHandlerTest : public ::testing::Test { | 15 class GCIdleTimeHandlerTest : public ::testing::Test { |
16 public: | 16 public: |
17 GCIdleTimeHandlerTest() {} | 17 GCIdleTimeHandlerTest() {} |
18 virtual ~GCIdleTimeHandlerTest() {} | 18 virtual ~GCIdleTimeHandlerTest() {} |
19 | 19 |
20 GCIdleTimeHandler* handler() { return &handler_; } | 20 GCIdleTimeHandler* handler() { return &handler_; } |
21 | 21 |
22 GCIdleTimeHandler::HeapState DefaultHeapState() { | 22 GCIdleTimeHeapState DefaultHeapState() { |
23 GCIdleTimeHandler::HeapState result; | 23 GCIdleTimeHeapState result; |
24 result.contexts_disposed = 0; | 24 result.contexts_disposed = 0; |
25 result.contexts_disposal_rate = GCIdleTimeHandler::kHighContextDisposalRate; | 25 result.contexts_disposal_rate = GCIdleTimeHandler::kHighContextDisposalRate; |
26 result.incremental_marking_stopped = false; | 26 result.incremental_marking_stopped = false; |
27 result.mark_compact_speed_in_bytes_per_ms = kMarkCompactSpeed; | 27 result.mark_compact_speed_in_bytes_per_ms = kMarkCompactSpeed; |
28 result.scavenge_speed_in_bytes_per_ms = kScavengeSpeed; | 28 result.scavenge_speed_in_bytes_per_ms = kScavengeSpeed; |
29 result.used_new_space_size = 0; | 29 result.used_new_space_size = 0; |
30 result.new_space_capacity = kNewSpaceCapacity; | 30 result.new_space_capacity = kNewSpaceCapacity; |
31 result.new_space_allocation_throughput_in_bytes_per_ms = | 31 result.new_space_allocation_throughput_in_bytes_per_ms = |
32 kNewSpaceAllocationThroughput; | 32 kNewSpaceAllocationThroughput; |
33 return result; | 33 return result; |
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101 | 101 |
102 TEST(GCIdleTimeHandler, EstimateMarkCompactTimeMax) { | 102 TEST(GCIdleTimeHandler, EstimateMarkCompactTimeMax) { |
103 size_t size = std::numeric_limits<size_t>::max(); | 103 size_t size = std::numeric_limits<size_t>::max(); |
104 size_t speed = 1; | 104 size_t speed = 1; |
105 size_t time = GCIdleTimeHandler::EstimateMarkCompactTime(size, speed); | 105 size_t time = GCIdleTimeHandler::EstimateMarkCompactTime(size, speed); |
106 EXPECT_EQ(GCIdleTimeHandler::kMaxMarkCompactTimeInMs, time); | 106 EXPECT_EQ(GCIdleTimeHandler::kMaxMarkCompactTimeInMs, time); |
107 } | 107 } |
108 | 108 |
109 | 109 |
110 TEST_F(GCIdleTimeHandlerTest, DoScavengeEmptyNewSpace) { | 110 TEST_F(GCIdleTimeHandlerTest, DoScavengeEmptyNewSpace) { |
111 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 111 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
112 int idle_time_ms = 16; | 112 int idle_time_ms = 16; |
113 EXPECT_FALSE(GCIdleTimeHandler::ShouldDoScavenge( | 113 EXPECT_FALSE(GCIdleTimeHandler::ShouldDoScavenge( |
114 idle_time_ms, heap_state.new_space_capacity, | 114 idle_time_ms, heap_state.new_space_capacity, |
115 heap_state.used_new_space_size, heap_state.scavenge_speed_in_bytes_per_ms, | 115 heap_state.used_new_space_size, heap_state.scavenge_speed_in_bytes_per_ms, |
116 heap_state.new_space_allocation_throughput_in_bytes_per_ms)); | 116 heap_state.new_space_allocation_throughput_in_bytes_per_ms)); |
117 } | 117 } |
118 | 118 |
119 | 119 |
120 TEST_F(GCIdleTimeHandlerTest, DoScavengeFullNewSpace) { | 120 TEST_F(GCIdleTimeHandlerTest, DoScavengeFullNewSpace) { |
121 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 121 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
122 heap_state.used_new_space_size = kNewSpaceCapacity; | 122 heap_state.used_new_space_size = kNewSpaceCapacity; |
123 int idle_time_ms = 16; | 123 int idle_time_ms = 16; |
124 EXPECT_TRUE(GCIdleTimeHandler::ShouldDoScavenge( | 124 EXPECT_TRUE(GCIdleTimeHandler::ShouldDoScavenge( |
125 idle_time_ms, heap_state.new_space_capacity, | 125 idle_time_ms, heap_state.new_space_capacity, |
126 heap_state.used_new_space_size, heap_state.scavenge_speed_in_bytes_per_ms, | 126 heap_state.used_new_space_size, heap_state.scavenge_speed_in_bytes_per_ms, |
127 heap_state.new_space_allocation_throughput_in_bytes_per_ms)); | 127 heap_state.new_space_allocation_throughput_in_bytes_per_ms)); |
128 } | 128 } |
129 | 129 |
130 | 130 |
131 TEST_F(GCIdleTimeHandlerTest, DoScavengeUnknownScavengeSpeed) { | 131 TEST_F(GCIdleTimeHandlerTest, DoScavengeUnknownScavengeSpeed) { |
132 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 132 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
133 heap_state.used_new_space_size = kNewSpaceCapacity; | 133 heap_state.used_new_space_size = kNewSpaceCapacity; |
134 heap_state.scavenge_speed_in_bytes_per_ms = 0; | 134 heap_state.scavenge_speed_in_bytes_per_ms = 0; |
135 int idle_time_ms = 8; | 135 int idle_time_ms = 8; |
136 EXPECT_FALSE(GCIdleTimeHandler::ShouldDoScavenge( | 136 EXPECT_FALSE(GCIdleTimeHandler::ShouldDoScavenge( |
137 idle_time_ms, heap_state.new_space_capacity, | 137 idle_time_ms, heap_state.new_space_capacity, |
138 heap_state.used_new_space_size, heap_state.scavenge_speed_in_bytes_per_ms, | 138 heap_state.used_new_space_size, heap_state.scavenge_speed_in_bytes_per_ms, |
139 heap_state.new_space_allocation_throughput_in_bytes_per_ms)); | 139 heap_state.new_space_allocation_throughput_in_bytes_per_ms)); |
140 } | 140 } |
141 | 141 |
142 | 142 |
143 TEST_F(GCIdleTimeHandlerTest, DoScavengeLowScavengeSpeed) { | 143 TEST_F(GCIdleTimeHandlerTest, DoScavengeLowScavengeSpeed) { |
144 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 144 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
145 heap_state.used_new_space_size = kNewSpaceCapacity; | 145 heap_state.used_new_space_size = kNewSpaceCapacity; |
146 heap_state.scavenge_speed_in_bytes_per_ms = 1 * KB; | 146 heap_state.scavenge_speed_in_bytes_per_ms = 1 * KB; |
147 int idle_time_ms = 16; | 147 int idle_time_ms = 16; |
148 EXPECT_FALSE(GCIdleTimeHandler::ShouldDoScavenge( | 148 EXPECT_FALSE(GCIdleTimeHandler::ShouldDoScavenge( |
149 idle_time_ms, heap_state.new_space_capacity, | 149 idle_time_ms, heap_state.new_space_capacity, |
150 heap_state.used_new_space_size, heap_state.scavenge_speed_in_bytes_per_ms, | 150 heap_state.used_new_space_size, heap_state.scavenge_speed_in_bytes_per_ms, |
151 heap_state.new_space_allocation_throughput_in_bytes_per_ms)); | 151 heap_state.new_space_allocation_throughput_in_bytes_per_ms)); |
152 } | 152 } |
153 | 153 |
154 | 154 |
155 TEST_F(GCIdleTimeHandlerTest, DoScavengeLowAllocationRate) { | 155 TEST_F(GCIdleTimeHandlerTest, DoScavengeLowAllocationRate) { |
156 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 156 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
157 heap_state.used_new_space_size = kNewSpaceCapacity; | 157 heap_state.used_new_space_size = kNewSpaceCapacity; |
158 heap_state.new_space_allocation_throughput_in_bytes_per_ms = | 158 heap_state.new_space_allocation_throughput_in_bytes_per_ms = |
159 GCIdleTimeHandler::kLowAllocationThroughput - 1; | 159 GCIdleTimeHandler::kLowAllocationThroughput - 1; |
160 int idle_time_ms = 16; | 160 int idle_time_ms = 16; |
161 EXPECT_TRUE(GCIdleTimeHandler::ShouldDoScavenge( | 161 EXPECT_TRUE(GCIdleTimeHandler::ShouldDoScavenge( |
162 idle_time_ms, heap_state.new_space_capacity, | 162 idle_time_ms, heap_state.new_space_capacity, |
163 heap_state.used_new_space_size, heap_state.scavenge_speed_in_bytes_per_ms, | 163 heap_state.used_new_space_size, heap_state.scavenge_speed_in_bytes_per_ms, |
164 heap_state.new_space_allocation_throughput_in_bytes_per_ms)); | 164 heap_state.new_space_allocation_throughput_in_bytes_per_ms)); |
165 } | 165 } |
166 | 166 |
167 | 167 |
168 TEST_F(GCIdleTimeHandlerTest, DoScavengeHighScavengeSpeed) { | 168 TEST_F(GCIdleTimeHandlerTest, DoScavengeHighScavengeSpeed) { |
169 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 169 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
170 heap_state.used_new_space_size = kNewSpaceCapacity; | 170 heap_state.used_new_space_size = kNewSpaceCapacity; |
171 heap_state.scavenge_speed_in_bytes_per_ms = kNewSpaceCapacity; | 171 heap_state.scavenge_speed_in_bytes_per_ms = kNewSpaceCapacity; |
172 int idle_time_ms = 16; | 172 int idle_time_ms = 16; |
173 EXPECT_TRUE(GCIdleTimeHandler::ShouldDoScavenge( | 173 EXPECT_TRUE(GCIdleTimeHandler::ShouldDoScavenge( |
174 idle_time_ms, heap_state.new_space_capacity, | 174 idle_time_ms, heap_state.new_space_capacity, |
175 heap_state.used_new_space_size, heap_state.scavenge_speed_in_bytes_per_ms, | 175 heap_state.used_new_space_size, heap_state.scavenge_speed_in_bytes_per_ms, |
176 heap_state.new_space_allocation_throughput_in_bytes_per_ms)); | 176 heap_state.new_space_allocation_throughput_in_bytes_per_ms)); |
177 } | 177 } |
178 | 178 |
179 | 179 |
180 TEST_F(GCIdleTimeHandlerTest, DoNotScavengeSmallNewSpaceSize) { | 180 TEST_F(GCIdleTimeHandlerTest, DoNotScavengeSmallNewSpaceSize) { |
181 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 181 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
182 heap_state.used_new_space_size = (MB / 2) - 1; | 182 heap_state.used_new_space_size = (MB / 2) - 1; |
183 heap_state.scavenge_speed_in_bytes_per_ms = kNewSpaceCapacity; | 183 heap_state.scavenge_speed_in_bytes_per_ms = kNewSpaceCapacity; |
184 int idle_time_ms = 16; | 184 int idle_time_ms = 16; |
185 EXPECT_FALSE(GCIdleTimeHandler::ShouldDoScavenge( | 185 EXPECT_FALSE(GCIdleTimeHandler::ShouldDoScavenge( |
186 idle_time_ms, heap_state.new_space_capacity, | 186 idle_time_ms, heap_state.new_space_capacity, |
187 heap_state.used_new_space_size, heap_state.scavenge_speed_in_bytes_per_ms, | 187 heap_state.used_new_space_size, heap_state.scavenge_speed_in_bytes_per_ms, |
188 heap_state.new_space_allocation_throughput_in_bytes_per_ms)); | 188 heap_state.new_space_allocation_throughput_in_bytes_per_ms)); |
189 } | 189 } |
190 | 190 |
191 | 191 |
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210 | 210 |
211 | 211 |
212 TEST_F(GCIdleTimeHandlerTest, DontDoFinalIncrementalMarkCompact) { | 212 TEST_F(GCIdleTimeHandlerTest, DontDoFinalIncrementalMarkCompact) { |
213 size_t idle_time_ms = 1; | 213 size_t idle_time_ms = 1; |
214 EXPECT_FALSE(GCIdleTimeHandler::ShouldDoFinalIncrementalMarkCompact( | 214 EXPECT_FALSE(GCIdleTimeHandler::ShouldDoFinalIncrementalMarkCompact( |
215 idle_time_ms, kSizeOfObjects, kMarkingSpeed)); | 215 idle_time_ms, kSizeOfObjects, kMarkingSpeed)); |
216 } | 216 } |
217 | 217 |
218 | 218 |
219 TEST_F(GCIdleTimeHandlerTest, ContextDisposeLowRate) { | 219 TEST_F(GCIdleTimeHandlerTest, ContextDisposeLowRate) { |
220 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 220 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
221 heap_state.contexts_disposed = 1; | 221 heap_state.contexts_disposed = 1; |
222 heap_state.incremental_marking_stopped = true; | 222 heap_state.incremental_marking_stopped = true; |
223 double idle_time_ms = 0; | 223 double idle_time_ms = 0; |
224 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); | 224 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); |
225 EXPECT_EQ(DO_NOTHING, action.type); | 225 EXPECT_EQ(DO_NOTHING, action.type); |
226 } | 226 } |
227 | 227 |
228 | 228 |
229 TEST_F(GCIdleTimeHandlerTest, ContextDisposeHighRate) { | 229 TEST_F(GCIdleTimeHandlerTest, ContextDisposeHighRate) { |
230 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 230 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
231 heap_state.contexts_disposed = 1; | 231 heap_state.contexts_disposed = 1; |
232 heap_state.contexts_disposal_rate = | 232 heap_state.contexts_disposal_rate = |
233 GCIdleTimeHandler::kHighContextDisposalRate - 1; | 233 GCIdleTimeHandler::kHighContextDisposalRate - 1; |
234 heap_state.incremental_marking_stopped = true; | 234 heap_state.incremental_marking_stopped = true; |
235 double idle_time_ms = 0; | 235 double idle_time_ms = 0; |
236 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); | 236 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); |
237 EXPECT_EQ(DO_FULL_GC, action.type); | 237 EXPECT_EQ(DO_FULL_GC, action.type); |
238 } | 238 } |
239 | 239 |
240 | 240 |
241 TEST_F(GCIdleTimeHandlerTest, AfterContextDisposeZeroIdleTime) { | 241 TEST_F(GCIdleTimeHandlerTest, AfterContextDisposeZeroIdleTime) { |
242 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 242 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
243 heap_state.contexts_disposed = 1; | 243 heap_state.contexts_disposed = 1; |
244 heap_state.contexts_disposal_rate = 1.0; | 244 heap_state.contexts_disposal_rate = 1.0; |
245 heap_state.incremental_marking_stopped = true; | 245 heap_state.incremental_marking_stopped = true; |
246 double idle_time_ms = 0; | 246 double idle_time_ms = 0; |
247 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); | 247 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); |
248 EXPECT_EQ(DO_FULL_GC, action.type); | 248 EXPECT_EQ(DO_FULL_GC, action.type); |
249 } | 249 } |
250 | 250 |
251 | 251 |
252 TEST_F(GCIdleTimeHandlerTest, AfterContextDisposeSmallIdleTime1) { | 252 TEST_F(GCIdleTimeHandlerTest, AfterContextDisposeSmallIdleTime1) { |
253 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 253 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
254 heap_state.contexts_disposed = 1; | 254 heap_state.contexts_disposed = 1; |
255 heap_state.contexts_disposal_rate = | 255 heap_state.contexts_disposal_rate = |
256 GCIdleTimeHandler::kHighContextDisposalRate; | 256 GCIdleTimeHandler::kHighContextDisposalRate; |
257 size_t speed = heap_state.mark_compact_speed_in_bytes_per_ms; | 257 size_t speed = heap_state.mark_compact_speed_in_bytes_per_ms; |
258 double idle_time_ms = static_cast<double>(kSizeOfObjects / speed - 1); | 258 double idle_time_ms = static_cast<double>(kSizeOfObjects / speed - 1); |
259 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); | 259 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); |
260 EXPECT_EQ(DO_INCREMENTAL_STEP, action.type); | 260 EXPECT_EQ(DO_INCREMENTAL_STEP, action.type); |
261 } | 261 } |
262 | 262 |
263 | 263 |
264 TEST_F(GCIdleTimeHandlerTest, AfterContextDisposeSmallIdleTime2) { | 264 TEST_F(GCIdleTimeHandlerTest, AfterContextDisposeSmallIdleTime2) { |
265 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 265 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
266 heap_state.contexts_disposed = 1; | 266 heap_state.contexts_disposed = 1; |
267 heap_state.contexts_disposal_rate = | 267 heap_state.contexts_disposal_rate = |
268 GCIdleTimeHandler::kHighContextDisposalRate; | 268 GCIdleTimeHandler::kHighContextDisposalRate; |
269 size_t speed = heap_state.mark_compact_speed_in_bytes_per_ms; | 269 size_t speed = heap_state.mark_compact_speed_in_bytes_per_ms; |
270 double idle_time_ms = static_cast<double>(kSizeOfObjects / speed - 1); | 270 double idle_time_ms = static_cast<double>(kSizeOfObjects / speed - 1); |
271 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); | 271 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); |
272 EXPECT_EQ(DO_INCREMENTAL_STEP, action.type); | 272 EXPECT_EQ(DO_INCREMENTAL_STEP, action.type); |
273 } | 273 } |
274 | 274 |
275 | 275 |
276 TEST_F(GCIdleTimeHandlerTest, IncrementalMarking1) { | 276 TEST_F(GCIdleTimeHandlerTest, IncrementalMarking1) { |
277 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 277 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
278 double idle_time_ms = 10; | 278 double idle_time_ms = 10; |
279 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); | 279 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); |
280 EXPECT_EQ(DO_INCREMENTAL_STEP, action.type); | 280 EXPECT_EQ(DO_INCREMENTAL_STEP, action.type); |
281 } | 281 } |
282 | 282 |
283 | 283 |
284 TEST_F(GCIdleTimeHandlerTest, NotEnoughTime) { | 284 TEST_F(GCIdleTimeHandlerTest, NotEnoughTime) { |
285 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 285 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
286 heap_state.incremental_marking_stopped = true; | 286 heap_state.incremental_marking_stopped = true; |
287 size_t speed = heap_state.mark_compact_speed_in_bytes_per_ms; | 287 size_t speed = heap_state.mark_compact_speed_in_bytes_per_ms; |
288 double idle_time_ms = static_cast<double>(kSizeOfObjects / speed - 1); | 288 double idle_time_ms = static_cast<double>(kSizeOfObjects / speed - 1); |
289 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); | 289 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); |
290 EXPECT_EQ(DONE, action.type); | 290 EXPECT_EQ(DONE, action.type); |
291 } | 291 } |
292 | 292 |
293 | 293 |
294 TEST_F(GCIdleTimeHandlerTest, Scavenge) { | 294 TEST_F(GCIdleTimeHandlerTest, Scavenge) { |
295 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 295 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
296 int idle_time_ms = 10; | 296 int idle_time_ms = 10; |
297 heap_state.used_new_space_size = | 297 heap_state.used_new_space_size = |
298 heap_state.new_space_capacity - | 298 heap_state.new_space_capacity - |
299 (kNewSpaceAllocationThroughput * idle_time_ms); | 299 (kNewSpaceAllocationThroughput * idle_time_ms); |
300 GCIdleTimeAction action = | 300 GCIdleTimeAction action = |
301 handler()->Compute(static_cast<double>(idle_time_ms), heap_state); | 301 handler()->Compute(static_cast<double>(idle_time_ms), heap_state); |
302 EXPECT_EQ(DO_SCAVENGE, action.type); | 302 EXPECT_EQ(DO_SCAVENGE, action.type); |
303 heap_state.used_new_space_size = 0; | 303 heap_state.used_new_space_size = 0; |
304 } | 304 } |
305 | 305 |
306 | 306 |
307 TEST_F(GCIdleTimeHandlerTest, ScavengeAndDone) { | 307 TEST_F(GCIdleTimeHandlerTest, ScavengeAndDone) { |
308 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 308 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
309 int idle_time_ms = 10; | 309 int idle_time_ms = 10; |
310 heap_state.incremental_marking_stopped = true; | 310 heap_state.incremental_marking_stopped = true; |
311 heap_state.used_new_space_size = | 311 heap_state.used_new_space_size = |
312 heap_state.new_space_capacity - | 312 heap_state.new_space_capacity - |
313 (kNewSpaceAllocationThroughput * idle_time_ms); | 313 (kNewSpaceAllocationThroughput * idle_time_ms); |
314 GCIdleTimeAction action = | 314 GCIdleTimeAction action = |
315 handler()->Compute(static_cast<double>(idle_time_ms), heap_state); | 315 handler()->Compute(static_cast<double>(idle_time_ms), heap_state); |
316 EXPECT_EQ(DO_SCAVENGE, action.type); | 316 EXPECT_EQ(DO_SCAVENGE, action.type); |
317 heap_state.used_new_space_size = 0; | 317 heap_state.used_new_space_size = 0; |
318 action = handler()->Compute(static_cast<double>(idle_time_ms), heap_state); | 318 action = handler()->Compute(static_cast<double>(idle_time_ms), heap_state); |
319 EXPECT_EQ(DONE, action.type); | 319 EXPECT_EQ(DONE, action.type); |
320 } | 320 } |
321 | 321 |
322 | 322 |
323 TEST_F(GCIdleTimeHandlerTest, DoNotStartIncrementalMarking) { | 323 TEST_F(GCIdleTimeHandlerTest, DoNotStartIncrementalMarking) { |
324 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 324 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
325 heap_state.incremental_marking_stopped = true; | 325 heap_state.incremental_marking_stopped = true; |
326 double idle_time_ms = 10.0; | 326 double idle_time_ms = 10.0; |
327 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); | 327 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); |
328 EXPECT_EQ(DONE, action.type); | 328 EXPECT_EQ(DONE, action.type); |
329 } | 329 } |
330 | 330 |
331 | 331 |
332 TEST_F(GCIdleTimeHandlerTest, ContinueAfterStop) { | 332 TEST_F(GCIdleTimeHandlerTest, ContinueAfterStop) { |
333 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 333 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
334 heap_state.incremental_marking_stopped = true; | 334 heap_state.incremental_marking_stopped = true; |
335 double idle_time_ms = 10.0; | 335 double idle_time_ms = 10.0; |
336 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); | 336 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); |
337 EXPECT_EQ(DONE, action.type); | 337 EXPECT_EQ(DONE, action.type); |
338 heap_state.incremental_marking_stopped = false; | 338 heap_state.incremental_marking_stopped = false; |
339 action = handler()->Compute(idle_time_ms, heap_state); | 339 action = handler()->Compute(idle_time_ms, heap_state); |
340 EXPECT_EQ(DO_INCREMENTAL_STEP, action.type); | 340 EXPECT_EQ(DO_INCREMENTAL_STEP, action.type); |
341 } | 341 } |
342 | 342 |
343 | 343 |
344 TEST_F(GCIdleTimeHandlerTest, ZeroIdleTimeNothingToDo) { | 344 TEST_F(GCIdleTimeHandlerTest, ZeroIdleTimeNothingToDo) { |
345 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 345 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
346 for (int i = 0; i < kMaxNotifications; i++) { | 346 for (int i = 0; i < kMaxNotifications; i++) { |
347 GCIdleTimeAction action = handler()->Compute(0, heap_state); | 347 GCIdleTimeAction action = handler()->Compute(0, heap_state); |
348 EXPECT_EQ(DO_NOTHING, action.type); | 348 EXPECT_EQ(DO_NOTHING, action.type); |
349 } | 349 } |
350 } | 350 } |
351 | 351 |
352 | 352 |
353 TEST_F(GCIdleTimeHandlerTest, SmallIdleTimeNothingToDo) { | 353 TEST_F(GCIdleTimeHandlerTest, SmallIdleTimeNothingToDo) { |
354 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 354 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
355 heap_state.incremental_marking_stopped = true; | 355 heap_state.incremental_marking_stopped = true; |
356 for (int i = 0; i < kMaxNotifications; i++) { | 356 for (int i = 0; i < kMaxNotifications; i++) { |
357 GCIdleTimeAction action = handler()->Compute(10, heap_state); | 357 GCIdleTimeAction action = handler()->Compute(10, heap_state); |
358 EXPECT_TRUE(DO_NOTHING == action.type || DONE == action.type); | 358 EXPECT_TRUE(DO_NOTHING == action.type || DONE == action.type); |
359 } | 359 } |
360 } | 360 } |
361 | 361 |
362 | 362 |
363 TEST_F(GCIdleTimeHandlerTest, DoneIfNotMakingProgressOnIncrementalMarking) { | 363 TEST_F(GCIdleTimeHandlerTest, DoneIfNotMakingProgressOnIncrementalMarking) { |
364 // Regression test for crbug.com/489323. | 364 // Regression test for crbug.com/489323. |
365 GCIdleTimeHandler::HeapState heap_state = DefaultHeapState(); | 365 GCIdleTimeHeapState heap_state = DefaultHeapState(); |
366 | 366 |
367 // Simulate incremental marking stopped and not eligible to start. | 367 // Simulate incremental marking stopped and not eligible to start. |
368 heap_state.incremental_marking_stopped = true; | 368 heap_state.incremental_marking_stopped = true; |
369 double idle_time_ms = 10.0; | 369 double idle_time_ms = 10.0; |
370 // We should return DONE if we cannot start incremental marking. | 370 // We should return DONE if we cannot start incremental marking. |
371 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); | 371 GCIdleTimeAction action = handler()->Compute(idle_time_ms, heap_state); |
372 EXPECT_EQ(DONE, action.type); | 372 EXPECT_EQ(DONE, action.type); |
373 } | 373 } |
374 | 374 |
375 } // namespace internal | 375 } // namespace internal |
376 } // namespace v8 | 376 } // namespace v8 |
OLD | NEW |