1 /*
2 * Copyright (c) 2018, 2020, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2018, 2020 SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #include "precompiled.hpp"
27
28 //#define LOG_PLEASE
29
30 #include "metaspace/metaspaceTestsCommon.hpp"
31 #include "metaspace/metaspaceTestContexts.hpp"
32 #include "metaspace/metaspace_sparsearray.hpp"
33 #include "utilities/ostream.hpp"
34
35
36 // TODO: this class is very similar to MetaspaceArenaTestBed in test_metaspacearena_stress.cpp.
37 // should be unified.
38 class MetaspaceArenaTestHelper {
39
40 MetaspaceTestContext& _helper;
41
42 Mutex* _lock;
43 const ArenaGrowthPolicy* _growth_policy;
44 SizeAtomicCounter _used_words_counter;
45 MetaspaceArena* _arena;
46
47 public:
48
49 MetaspaceArenaTestHelper(MetaspaceTestContext& helper, Metaspace::MetaspaceType space_type, bool is_class,
50 const char* name = "gtest-MetaspaceArena")
51 : _helper(helper),
52 _lock(NULL),
53 _growth_policy(NULL),
54 _used_words_counter(),
55 _arena(NULL)
56 {
57 _growth_policy = ArenaGrowthPolicy::policy_for_space_type(space_type, is_class);
58 _lock = new Mutex(Monitor::native, "gtest-MetaspaceArenaTest-lock", false, Monitor::_safepoint_check_never);
59 // Lock during space creation, since this is what happens in the VM too
60 // (see ClassLoaderData::metaspace_non_null(), which we mimick here).
61 {
62 MutexLocker ml(_lock, Mutex::_no_safepoint_check_flag);
63 _arena = new MetaspaceArena(&_helper.cm(), _growth_policy, _lock, &_used_words_counter, name);
64 }
65 DEBUG_ONLY(_arena->verify(true));
66 }
67
68 ~MetaspaceArenaTestHelper() {
69 delete_arena_with_tests();
70 delete _lock;
71 }
72
73 const CommitLimiter& limiter() const { return _helper.commit_limiter(); }
74 MetaspaceArena* arena() const { return _arena; }
75 SizeAtomicCounter& used_words_counter() { return _used_words_counter; }
76
77 // Note: all test functions return void due to gtests limitation that we cannot use ASSERT
78 // in non-void returning tests.
79
80 void delete_arena_with_tests() {
81 if (_arena != NULL) {
82 size_t used_words_before = _used_words_counter.get();
83 size_t committed_words_before = limiter().committed_words();
84 DEBUG_ONLY(_arena->verify(true));
85 delete _arena;
86 _arena = NULL;
87 size_t used_words_after = _used_words_counter.get();
88 size_t committed_words_after = limiter().committed_words();
89 ASSERT_0(used_words_after);
90 if (Settings::uncommit_free_chunks()) {
91 ASSERT_LE(committed_words_after, committed_words_before);
92 } else {
93 ASSERT_EQ(committed_words_after, committed_words_before);
94 }
95 }
96 }
97
98 void usage_numbers_with_test(size_t* p_used, size_t* p_committed, size_t* p_capacity) const {
99 _arena->usage_numbers(p_used, p_committed, p_capacity);
100 if (p_used != NULL) {
101 if (p_committed != NULL) {
102 ASSERT_GE(*p_committed, *p_used);
103 }
104 // Since we own the used words counter, it should reflect our usage number 1:1
105 ASSERT_EQ(_used_words_counter.get(), *p_used);
106 }
107 if (p_committed != NULL && p_capacity != NULL) {
108 ASSERT_GE(*p_capacity, *p_committed);
109 }
110 }
111
112 // Allocate; caller expects success; return pointer in *p_return_value
113 void allocate_from_arena_with_tests_expect_success(MetaWord** p_return_value, size_t word_size) {
114 allocate_from_arena_with_tests(p_return_value, word_size);
115 ASSERT_NOT_NULL(*p_return_value);
116 }
117
118 // Allocate; caller expects success but is not interested in return value
119 void allocate_from_arena_with_tests_expect_success(size_t word_size) {
120 MetaWord* dummy = NULL;
121 allocate_from_arena_with_tests_expect_success(&dummy, word_size);
122 }
123
124 // Allocate; caller expects failure
125 void allocate_from_arena_with_tests_expect_failure(size_t word_size) {
126 MetaWord* dummy = NULL;
127 allocate_from_arena_with_tests(&dummy, word_size);
128 ASSERT_NULL(dummy);
129 }
130
131 // Allocate; it may or may not work; return value in *p_return_value
132 void allocate_from_arena_with_tests(MetaWord** p_return_value, size_t word_size) {
133
134 // Note: usage_numbers walks all chunks in use and counts.
135 size_t used = 0, committed = 0, capacity = 0;
136 usage_numbers_with_test(&used, &committed, &capacity);
137
138 size_t possible_expansion = limiter().possible_expansion_words();
139
140 MetaWord* p = _arena->allocate(word_size);
141
142 SOMETIMES(DEBUG_ONLY(_arena->verify(true);))
143
144 size_t used2 = 0, committed2 = 0, capacity2 = 0;
145 usage_numbers_with_test(&used2, &committed2, &capacity2);
146
147 if (p == NULL) {
148 // Allocation failed.
149 if (Settings::new_chunks_are_fully_committed()) {
150 ASSERT_LT(possible_expansion, MAX_CHUNK_WORD_SIZE);
151 } else {
152 ASSERT_LT(possible_expansion, word_size);
153 }
154
155 ASSERT_EQ(used, used2);
156 ASSERT_EQ(committed, committed2);
157 ASSERT_EQ(capacity, capacity2);
158 } else {
159 // Allocation succeeded. Should be correctly aligned.
160 ASSERT_TRUE(is_aligned(p, sizeof(MetaWord)));
161 // used: may go up or may not (since our request may have been satisfied from the freeblocklist
162 // whose content already counts as used).
163 // committed: may go up, may not
164 // capacity: ditto
165 ASSERT_GE(used2, used);
166 ASSERT_GE(committed2, committed);
167 ASSERT_GE(capacity2, capacity);
168 }
169
170 *p_return_value = p;
171 }
172
173 // Allocate; it may or may not work; but caller does not care for the result value
174 void allocate_from_arena_with_tests(size_t word_size) {
175 MetaWord* dummy = NULL;
176 allocate_from_arena_with_tests(&dummy, word_size);
177 }
178
179
180 void deallocate_with_tests(MetaWord* p, size_t word_size) {
181 size_t used = 0, committed = 0, capacity = 0;
182 usage_numbers_with_test(&used, &committed, &capacity);
183
184 _arena->deallocate(p, word_size);
185
186 SOMETIMES(DEBUG_ONLY(_arena->verify(true);))
187
188 size_t used2 = 0, committed2 = 0, capacity2 = 0;
189 usage_numbers_with_test(&used2, &committed2, &capacity2);
190
191 // Nothing should have changed. Deallocated blocks are added to the free block list
192 // which still counts as used.
193 ASSERT_EQ(used2, used);
194 ASSERT_EQ(committed2, committed);
195 ASSERT_EQ(capacity2, capacity);
196 }
197
198
199 };
200
201
202 static void test_basics(size_t commit_limit, bool is_micro) {
203 MetaspaceTestContext msthelper(commit_limit);
204 MetaspaceArenaTestHelper helper(msthelper, is_micro ? Metaspace::ReflectionMetaspaceType : Metaspace::StandardMetaspaceType, false);
205
206 helper.allocate_from_arena_with_tests(1);
207 helper.allocate_from_arena_with_tests(128);
208 helper.allocate_from_arena_with_tests(128 * K);
209 helper.allocate_from_arena_with_tests(1);
210 helper.allocate_from_arena_with_tests(128);
211 helper.allocate_from_arena_with_tests(128 * K);
212 }
213
214 TEST_VM(metaspace, MetaspaceArena_basics_micro_nolimit) {
215 test_basics(max_uintx, true);
216 }
217
218 TEST_VM(metaspace, MetaspaceArena_basics_micro_limit) {
219 test_basics(256 * K, true);
220 }
221
222 TEST_VM(metaspace, MetaspaceArena_basics_standard_nolimit) {
223 test_basics(max_uintx, false);
224 }
225
226 TEST_VM(metaspace, MetaspaceArena_basics_standard_limit) {
227 test_basics(256 * K, false);
228 }
229
230
231 // Test: in a single undisturbed MetaspaceArena (so, we should have chunks enlarged in place)
232 // we allocate a small amount, then the full amount possible. The sum of first and second
233 // allocation bring us above root chunk size. This should work - chunk enlargement should
234 // fail and a new root chunk should be allocated instead.
235 TEST_VM(metaspace, MetaspaceArena_test_enlarge_in_place) {
236
237 if (Settings::use_allocation_guard()) {
238 return;
239 }
240
241 MetaspaceTestContext msthelper;
242 MetaspaceArenaTestHelper helper(msthelper, Metaspace::StandardMetaspaceType, false);
243 helper.allocate_from_arena_with_tests_expect_success(1);
244 helper.allocate_from_arena_with_tests_expect_success(MAX_CHUNK_WORD_SIZE);
245 helper.allocate_from_arena_with_tests_expect_success(MAX_CHUNK_WORD_SIZE / 2);
246 helper.allocate_from_arena_with_tests_expect_success(MAX_CHUNK_WORD_SIZE);
247 }
248
249 // Test allocating from smallest to largest chunk size, and one step beyond.
250 // The first n allocations should happen in place, the ladder should open a new chunk.
251 TEST_VM(metaspace, MetaspaceArena_test_enlarge_in_place_ladder_1) {
252
253 if (Settings::use_allocation_guard()) {
254 return;
255 }
256
257 MetaspaceTestContext msthelper;
258 MetaspaceArenaTestHelper helper(msthelper, Metaspace::StandardMetaspaceType, false);
259 size_t size = MIN_CHUNK_WORD_SIZE;
260 while (size <= MAX_CHUNK_WORD_SIZE) {
261 helper.allocate_from_arena_with_tests_expect_success(size);
262 size *= 2;
263 }
264 helper.allocate_from_arena_with_tests_expect_success(MAX_CHUNK_WORD_SIZE);
265 }
266
267 // Same as MetaspaceArena_test_enlarge_in_place_ladder_1, but increase in *4 step size;
268 // this way chunk-in-place-enlargement does not work and we should have new chunks at each allocation.
269 TEST_VM(metaspace, MetaspaceArena_test_enlarge_in_place_ladder_2) {
270
271 if (Settings::use_allocation_guard()) {
272 return;
273 }
274
275 MetaspaceTestContext msthelper;
276 MetaspaceArenaTestHelper helper(msthelper, Metaspace::StandardMetaspaceType, false);
277 size_t size = MIN_CHUNK_WORD_SIZE;
278 while (size <= MAX_CHUNK_WORD_SIZE) {
279 helper.allocate_from_arena_with_tests_expect_success(size);
280 size *= 4;
281 }
282 helper.allocate_from_arena_with_tests_expect_success(MAX_CHUNK_WORD_SIZE);
283 }
284
285 // Test the MetaspaceArenas' free block list:
286 // Allocate, deallocate, then allocate the same block again. The second allocate should
287 // reuse the deallocated block.
288 TEST_VM(metaspace, MetaspaceArena_deallocate) {
289 if (Settings::use_allocation_guard()) {
290 return;
291 }
292 for (size_t s = 2; s <= MAX_CHUNK_WORD_SIZE; s *= 2) {
293 MetaspaceTestContext msthelper;
294 MetaspaceArenaTestHelper helper(msthelper, Metaspace::StandardMetaspaceType, false);
295
296 MetaWord* p1 = NULL;
297 helper.allocate_from_arena_with_tests_expect_success(&p1, s);
298
299 size_t used1 = 0, capacity1 = 0;
300 helper.usage_numbers_with_test(&used1, NULL, &capacity1);
301 ASSERT_EQ(used1, s);
302
303 helper.deallocate_with_tests(p1, s);
304
305 size_t used2 = 0, capacity2 = 0;
306 helper.usage_numbers_with_test(&used2, NULL, &capacity2);
307 ASSERT_EQ(used1, used2);
308 ASSERT_EQ(capacity2, capacity2);
309
310 MetaWord* p2 = NULL;
311 helper.allocate_from_arena_with_tests_expect_success(&p2, s);
312
313 size_t used3 = 0, capacity3 = 0;
314 helper.usage_numbers_with_test(&used3, NULL, &capacity3);
315 ASSERT_EQ(used3, used2);
316 ASSERT_EQ(capacity3, capacity2);
317
318 // Actually, we should get the very same allocation back
319 ASSERT_EQ(p1, p2);
320 }
321 }
322
323 static void test_recover_from_commit_limit_hit() {
324
325 if (Settings::new_chunks_are_fully_committed()) {
326 return; // This would throw off the commit counting in this test.
327 }
328
329 // Test:
330 // - Multiple MetaspaceArena allocate (operating under the same commit limiter).
331 // - One, while attempting to commit parts of its current chunk on demand,
332 // triggers the limit and cannot commit its chunk further.
333 // - We release the other MetaspaceArena - its content is put back to the
334 // freelists.
335 // - We re-attempt allocation from the first manager. It should now succeed.
336 //
337 // This means if the first MetaspaceArena may have to let go of its current chunk and
338 // retire it and take a fresh chunk from the freelist.
339
340 const size_t commit_limit = Settings::commit_granule_words() * 10;
341 MetaspaceTestContext msthelper(commit_limit);
342
343 // The first MetaspaceArena mimicks a micro loader. This will fill the free
344 // chunk list with very small chunks. We allocate from them in an interleaved
345 // way to cause fragmentation.
346 MetaspaceArenaTestHelper helper1(msthelper, Metaspace::ReflectionMetaspaceType, false);
347 MetaspaceArenaTestHelper helper2(msthelper, Metaspace::ReflectionMetaspaceType, false);
348
349 // This MetaspaceArena should hit the limit. We use BootMetaspaceType here since
350 // it gets a large initial chunk which is committed
351 // on demand and we are likely to hit a commit limit while trying to expand it.
352 MetaspaceArenaTestHelper helper3(msthelper, Metaspace::BootMetaspaceType, false);
353
354 // Allocate space until we have below two but above one granule left
355 size_t allocated_from_1_and_2 = 0;
356 while (msthelper.commit_limiter().possible_expansion_words() >= Settings::commit_granule_words() * 2 &&
357 allocated_from_1_and_2 < commit_limit) {
358 helper1.allocate_from_arena_with_tests_expect_success(1);
359 helper2.allocate_from_arena_with_tests_expect_success(1);
360 allocated_from_1_and_2 += 2;
361 }
362
363 // Now, allocating from helper3, creep up on the limit
364 size_t allocated_from_3 = 0;
365 MetaWord* p = NULL;
366 while ( (helper3.allocate_from_arena_with_tests(&p, 1), p != NULL) &&
367 ++allocated_from_3 < Settings::commit_granule_words() * 2);
368
369 EXPECT_LE(allocated_from_3, Settings::commit_granule_words() * 2);
370
371 // We expect the freelist to be empty of committed space...
372 EXPECT_0(msthelper.cm().total_committed_word_size());
373
374 //msthelper.cm().print_on(tty);
375
376 // Release the first MetaspaceArena.
377 helper1.delete_arena_with_tests();
378
379 //msthelper.cm().print_on(tty);
380
381 // Should have populated the freelist with committed space
382 // We expect the freelist to be empty of committed space...
383 EXPECT_GT(msthelper.cm().total_committed_word_size(), (size_t)0);
384
385 // Repeat allocation from helper3, should now work.
386 helper3.allocate_from_arena_with_tests_expect_success(1);
387
388 }
389
390
391 TEST_VM(metaspace, MetaspaceArena_recover_from_limit_hit) {
392 test_recover_from_commit_limit_hit();
393 }
394
395 static void test_controlled_growth(Metaspace::MetaspaceType type, bool is_class,
396 size_t expected_starting_capacity,
397 bool test_in_place_enlargement)
398 {
399
400 if (Settings::use_allocation_guard()) {
401 return;
402 }
403
404 // From a MetaspaceArena in a clean room allocate tiny amounts;
405 // watch it grow. Used/committed/capacity should not grow in
406 // large jumps. Also, different types of MetaspaceArena should
407 // have different initial capacities.
408
409 MetaspaceTestContext msthelper;
410 MetaspaceArenaTestHelper smhelper(msthelper, type, is_class, "Grower");
411
412 MetaspaceArenaTestHelper smhelper_harrasser(msthelper, Metaspace::ReflectionMetaspaceType, true, "Harasser");
413
414 size_t used = 0, committed = 0, capacity = 0;
415 const size_t alloc_words = 16;
416
417 smhelper.arena()->usage_numbers(&used, &committed, &capacity);
418 ASSERT_0(used);
419 ASSERT_0(committed);
420 ASSERT_0(capacity);
421
422 ///// First allocation //
423
424 smhelper.allocate_from_arena_with_tests_expect_success(alloc_words);
425
426 smhelper.arena()->usage_numbers(&used, &committed, &capacity);
427
428 ASSERT_EQ(used, alloc_words);
429 ASSERT_GE(committed, used);
430 ASSERT_GE(capacity, committed);
431
432 ASSERT_EQ(capacity, expected_starting_capacity);
433
434 if (!(Settings::new_chunks_are_fully_committed() && type == Metaspace::BootMetaspaceType)) {
435 // Initial commit charge for the whole context should be one granule
436 ASSERT_EQ(msthelper.committed_words(), Settings::commit_granule_words());
437 // Initial commit number for the arena should be less since - apart from boot loader - no
438 // space type has large initial chunks.
439 ASSERT_LE(committed, Settings::commit_granule_words());
440 }
441
442 ///// subsequent allocations //
443
444 DEBUG_ONLY(const uintx num_chunk_enlarged = metaspace::InternalStats::num_chunks_enlarged();)
445
446 size_t words_allocated = 0;
447 int num_allocated = 0;
448 const size_t safety = MAX_CHUNK_WORD_SIZE * 1.2;
449 size_t highest_capacity_jump = capacity;
450 int num_capacity_jumps = 0;
451
452 while (words_allocated < safety && num_capacity_jumps < 15) {
453
454 // if we want to test growth with in-place chunk enlargement, leave MetaspaceArena
455 // undisturbed; it will have all the place to grow. Otherwise allocate from a little
456 // side arena to increase fragmentation.
457 // (Note that this does not completely prevent in-place chunk enlargement but makes it
458 // rather improbable)
459 if (!test_in_place_enlargement) {
460 smhelper_harrasser.allocate_from_arena_with_tests_expect_success(alloc_words * 2);
461 }
462
463 smhelper.allocate_from_arena_with_tests_expect_success(alloc_words);
464 words_allocated += alloc_words;
465 num_allocated ++;
466
467 size_t used2 = 0, committed2 = 0, capacity2 = 0;
468
469 smhelper.arena()->usage_numbers(&used2, &committed2, &capacity2);
470
471 // used should not grow larger than what we allocated, plus possible overhead.
472 ASSERT_GE(used2, used);
473 ASSERT_LE(used2, used + alloc_words * 2);
474 ASSERT_LE(used2, words_allocated + 100);
475 used = used2;
476
477 // A jump in committed words should not be larger than commit granule size.
478 // It can be smaller, since the current chunk of the MetaspaceArena may be
479 // smaller than a commit granule.
480 // (Note: unless root chunks are born fully committed)
481 ASSERT_GE(committed2, used2);
482 ASSERT_GE(committed2, committed);
483 const size_t committed_jump = committed2 - committed;
484 if (committed_jump > 0 && !Settings::new_chunks_are_fully_committed()) {
485 ASSERT_LE(committed_jump, Settings::commit_granule_words());
486 }
487 committed = committed2;
488
489 // Capacity jumps: Test that arenas capacity does not grow too fast.
490 ASSERT_GE(capacity2, committed2);
491 ASSERT_GE(capacity2, capacity);
492 const size_t capacity_jump = capacity2 - capacity;
493 if (capacity_jump > 0) {
494 LOG(">" SIZE_FORMAT "->" SIZE_FORMAT "(+" SIZE_FORMAT ")", capacity, capacity2, capacity_jump)
495 if (capacity_jump > highest_capacity_jump) {
496 /* Disabled for now since this is rather shaky. The way it is tested makes it too dependent
497 * on allocation history. Need to rethink this.
498 ASSERT_LE(capacity_jump, highest_capacity_jump * 2);
499 ASSERT_GE(capacity_jump, MIN_CHUNK_WORD_SIZE);
500 ASSERT_LE(capacity_jump, MAX_CHUNK_WORD_SIZE);
501 */
502 highest_capacity_jump = capacity_jump;
503 }
504 num_capacity_jumps ++;
505 }
506
507 capacity = capacity2;
508
509 }
510
511 // After all this work, we should see an increase in number of chunk-in-place-enlargements
512 // (this especially is vulnerable to regression: the decisions of when to do in-place-enlargements are somewhat
513 // complicated, see MetaspaceArena::attempt_enlarge_current_chunk())
514 #ifdef ASSERT
515 if (test_in_place_enlargement) {
516 const uintx num_chunk_enlarged_2 = metaspace::InternalStats::num_chunks_enlarged();
517 ASSERT_GT(num_chunk_enlarged_2, num_chunk_enlarged);
518 }
519 #endif
520 }
521
522 // these numbers have to be in sync with arena policy numbers (see memory/metaspace/arenaGrowthPolicy.cpp)
523 TEST_VM(metaspace, MetaspaceArena_growth_refl_c_inplace) {
524 test_controlled_growth(Metaspace::ReflectionMetaspaceType, true,
525 word_size_for_level(CHUNK_LEVEL_1K), true);
526 }
527
528 TEST_VM(metaspace, MetaspaceArena_growth_refl_c_not_inplace) {
529 test_controlled_growth(Metaspace::ReflectionMetaspaceType, true,
530 word_size_for_level(CHUNK_LEVEL_1K), false);
531 }
532
533 TEST_VM(metaspace, MetaspaceArena_growth_anon_c_inplace) {
534 test_controlled_growth(Metaspace::ClassMirrorHolderMetaspaceType, true,
535 word_size_for_level(CHUNK_LEVEL_1K), true);
536 }
537
538 TEST_VM(metaspace, MetaspaceArena_growth_anon_c_not_inplace) {
539 test_controlled_growth(Metaspace::ClassMirrorHolderMetaspaceType, true,
540 word_size_for_level(CHUNK_LEVEL_1K), false);
541 }
542
543 TEST_VM(metaspace, MetaspaceArena_growth_standard_c_inplace) {
544 test_controlled_growth(Metaspace::StandardMetaspaceType, true,
545 word_size_for_level(CHUNK_LEVEL_2K), true);
546 }
547
548 TEST_VM(metaspace, MetaspaceArena_growth_standard_c_not_inplace) {
549 test_controlled_growth(Metaspace::StandardMetaspaceType, true,
550 word_size_for_level(CHUNK_LEVEL_2K), false);
551 }
552
553 /* Disabled growth tests for BootMetaspaceType: there, the growth steps are too rare,
554 * and too large, to make any reliable guess as toward chunks get enlarged in place.
555 TEST_VM(metaspace, MetaspaceArena_growth_boot_c_inplace) {
556 test_controlled_growth(Metaspace::BootMetaspaceType, true,
557 word_size_for_level(CHUNK_LEVEL_1M), true);
558 }
559
560 TEST_VM(metaspace, MetaspaceArena_growth_boot_c_not_inplace) {
561 test_controlled_growth(Metaspace::BootMetaspaceType, true,
562 word_size_for_level(CHUNK_LEVEL_1M), false);
563 }
564 */
565
566 TEST_VM(metaspace, MetaspaceArena_growth_refl_nc_inplace) {
567 test_controlled_growth(Metaspace::ReflectionMetaspaceType, false,
568 word_size_for_level(CHUNK_LEVEL_2K), true);
569 }
570
571 TEST_VM(metaspace, MetaspaceArena_growth_refl_nc_not_inplace) {
572 test_controlled_growth(Metaspace::ReflectionMetaspaceType, false,
573 word_size_for_level(CHUNK_LEVEL_2K), false);
574 }
575
576 TEST_VM(metaspace, MetaspaceArena_growth_anon_nc_inplace) {
577 test_controlled_growth(Metaspace::ClassMirrorHolderMetaspaceType, false,
578 word_size_for_level(CHUNK_LEVEL_1K), true);
579 }
580
581 TEST_VM(metaspace, MetaspaceArena_growth_anon_nc_not_inplace) {
582 test_controlled_growth(Metaspace::ClassMirrorHolderMetaspaceType, false,
583 word_size_for_level(CHUNK_LEVEL_1K), false);
584 }
585
586 TEST_VM(metaspace, MetaspaceArena_growth_standard_nc_inplace) {
587 test_controlled_growth(Metaspace::StandardMetaspaceType, false,
588 word_size_for_level(CHUNK_LEVEL_4K), true);
589 }
590
591 TEST_VM(metaspace, MetaspaceArena_growth_standard_nc_not_inplace) {
592 test_controlled_growth(Metaspace::StandardMetaspaceType, false,
593 word_size_for_level(CHUNK_LEVEL_4K), false);
594 }
595
596 /* Disabled growth tests for BootMetaspaceType: there, the growth steps are too rare,
597 * and too large, to make any reliable guess as toward chunks get enlarged in place.
598 TEST_VM(metaspace, MetaspaceArena_growth_boot_nc_inplace) {
599 test_controlled_growth(Metaspace::BootMetaspaceType, false,
600 word_size_for_level(CHUNK_LEVEL_4M), true);
601 }
602
603 TEST_VM(metaspace, MetaspaceArena_growth_boot_nc_not_inplace) {
604 test_controlled_growth(Metaspace::BootMetaspaceType, false,
605 word_size_for_level(CHUNK_LEVEL_4M), false);
606 }
607 */