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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #include <test.h> |
29 | #include <test.h> |
30 | #include <mm/slab.h> |
30 | #include <mm/slab.h> |
31 | #include <print.h> |
31 | #include <print.h> |
32 | #include <proc/thread.h> |
32 | #include <proc/thread.h> |
33 | #include <arch.h> |
33 | #include <arch.h> |
34 | #include <mm/frame.h> |
34 | #include <mm/frame.h> |
35 | #include <memstr.h> |
35 | #include <memstr.h> |
36 | #include <synch/condvar.h> |
36 | #include <synch/condvar.h> |
37 | #include <synch/mutex.h> |
37 | #include <synch/mutex.h> |
38 | 38 | ||
39 | #define ITEM_SIZE 256 |
39 | #define ITEM_SIZE 256 |
40 | 40 | ||
41 | /** Fill memory with 2 caches, when allocation fails, |
41 | /** Fill memory with 2 caches, when allocation fails, |
42 | * free one of the caches. We should have everything in magazines, |
42 | * free one of the caches. We should have everything in magazines, |
43 | * now allocation should clean magazines and allow for full allocation. |
43 | * now allocation should clean magazines and allow for full allocation. |
44 | */ |
44 | */ |
45 | static void totalmemtest(void) |
45 | static void totalmemtest(void) |
46 | { |
46 | { |
47 | slab_cache_t *cache1; |
47 | slab_cache_t *cache1; |
48 | slab_cache_t *cache2; |
48 | slab_cache_t *cache2; |
49 | int i; |
49 | int i; |
50 | 50 | ||
51 | void *data1, *data2; |
51 | void *data1, *data2; |
52 | void *olddata1=NULL, *olddata2=NULL; |
52 | void *olddata1=NULL, *olddata2=NULL; |
53 | 53 | ||
54 | cache1 = slab_cache_create("cache1_tst", ITEM_SIZE, 0, NULL, NULL, 0); |
54 | cache1 = slab_cache_create("cache1_tst", ITEM_SIZE, 0, NULL, NULL, 0); |
55 | cache2 = slab_cache_create("cache2_tst", ITEM_SIZE, 0, NULL, NULL, 0); |
55 | cache2 = slab_cache_create("cache2_tst", ITEM_SIZE, 0, NULL, NULL, 0); |
56 | 56 | ||
57 | printf("Allocating..."); |
57 | printf("Allocating..."); |
58 | /* Use atomic alloc, so that we find end of memory */ |
58 | /* Use atomic alloc, so that we find end of memory */ |
59 | do { |
59 | do { |
60 | data1 = slab_alloc(cache1, FRAME_ATOMIC); |
60 | data1 = slab_alloc(cache1, FRAME_ATOMIC); |
61 | data2 = slab_alloc(cache2, FRAME_ATOMIC); |
61 | data2 = slab_alloc(cache2, FRAME_ATOMIC); |
62 | if (!data1 || !data2) { |
62 | if (!data1 || !data2) { |
63 | if (data1) |
63 | if (data1) |
64 | slab_free(cache1,data1); |
64 | slab_free(cache1,data1); |
65 | if (data2) |
65 | if (data2) |
66 | slab_free(cache2,data2); |
66 | slab_free(cache2,data2); |
67 | break; |
67 | break; |
68 | } |
68 | } |
69 | memsetb((uintptr_t)data1, ITEM_SIZE, 0); |
69 | memsetb((uintptr_t)data1, ITEM_SIZE, 0); |
70 | memsetb((uintptr_t)data2, ITEM_SIZE, 0); |
70 | memsetb((uintptr_t)data2, ITEM_SIZE, 0); |
71 | *((void **)data1) = olddata1; |
71 | *((void **)data1) = olddata1; |
72 | *((void **)data2) = olddata2; |
72 | *((void **)data2) = olddata2; |
73 | olddata1 = data1; |
73 | olddata1 = data1; |
74 | olddata2 = data2; |
74 | olddata2 = data2; |
75 | } while(1); |
75 | } while(1); |
76 | printf("done.\n"); |
76 | printf("done.\n"); |
77 | /* We do not have memory - now deallocate cache2 */ |
77 | /* We do not have memory - now deallocate cache2 */ |
78 | printf("Deallocating cache2..."); |
78 | printf("Deallocating cache2..."); |
79 | while (olddata2) { |
79 | while (olddata2) { |
80 | data2 = *((void **)olddata2); |
80 | data2 = *((void **)olddata2); |
81 | slab_free(cache2, olddata2); |
81 | slab_free(cache2, olddata2); |
82 | olddata2 = data2; |
82 | olddata2 = data2; |
83 | } |
83 | } |
84 | printf("done.\n"); |
84 | printf("done.\n"); |
85 | 85 | ||
86 | printf("Allocating to cache1...\n"); |
86 | printf("Allocating to cache1...\n"); |
87 | for (i=0; i<30; i++) { |
87 | for (i=0; i<30; i++) { |
88 | data1 = slab_alloc(cache1, FRAME_ATOMIC); |
88 | data1 = slab_alloc(cache1, FRAME_ATOMIC); |
89 | if (!data1) { |
89 | if (!data1) { |
90 | printf("Incorrect memory size - use another test."); |
90 | printf("Incorrect memory size - use another test."); |
91 | return; |
91 | return; |
92 | } |
92 | } |
93 | memsetb((uintptr_t)data1, ITEM_SIZE, 0); |
93 | memsetb((uintptr_t)data1, ITEM_SIZE, 0); |
94 | *((void **)data1) = olddata1; |
94 | *((void **)data1) = olddata1; |
95 | olddata1 = data1; |
95 | olddata1 = data1; |
96 | } |
96 | } |
97 | while (1) { |
97 | while (1) { |
98 | data1 = slab_alloc(cache1, FRAME_ATOMIC); |
98 | data1 = slab_alloc(cache1, FRAME_ATOMIC); |
99 | if (!data1) { |
99 | if (!data1) { |
100 | break; |
100 | break; |
101 | } |
101 | } |
102 | memsetb((uintptr_t)data1, ITEM_SIZE, 0); |
102 | memsetb((uintptr_t)data1, ITEM_SIZE, 0); |
103 | *((void **)data1) = olddata1; |
103 | *((void **)data1) = olddata1; |
104 | olddata1 = data1; |
104 | olddata1 = data1; |
105 | } |
105 | } |
106 | printf("Deallocating cache1..."); |
106 | printf("Deallocating cache1..."); |
107 | while (olddata1) { |
107 | while (olddata1) { |
108 | data1 = *((void **)olddata1); |
108 | data1 = *((void **)olddata1); |
109 | slab_free(cache1, olddata1); |
109 | slab_free(cache1, olddata1); |
110 | olddata1 = data1; |
110 | olddata1 = data1; |
111 | } |
111 | } |
112 | printf("done.\n"); |
112 | printf("done.\n"); |
113 | slab_print_list(); |
113 | slab_print_list(); |
114 | slab_cache_destroy(cache1); |
114 | slab_cache_destroy(cache1); |
115 | slab_cache_destroy(cache2); |
115 | slab_cache_destroy(cache2); |
116 | } |
116 | } |
117 | 117 | ||
118 | static slab_cache_t *thr_cache; |
118 | static slab_cache_t *thr_cache; |
119 | static semaphore_t thr_sem; |
119 | static semaphore_t thr_sem; |
120 | static condvar_t thread_starter; |
120 | static condvar_t thread_starter; |
121 | static mutex_t starter_mutex; |
121 | static mutex_t starter_mutex; |
122 | 122 | ||
123 | #define THREADS 8 |
123 | #define THREADS 8 |
124 | 124 | ||
125 | static void slabtest(void *priv) |
125 | static void slabtest(void *priv) |
126 | { |
126 | { |
127 | void *data = NULL, *new; |
127 | void *data = NULL, *new; |
128 | 128 | ||
129 | thread_detach(THREAD); |
129 | thread_detach(THREAD); |
130 | 130 | ||
131 | mutex_lock(&starter_mutex); |
131 | mutex_lock(&starter_mutex); |
132 | condvar_wait(&thread_starter,&starter_mutex); |
132 | condvar_wait(&thread_starter,&starter_mutex); |
133 | mutex_unlock(&starter_mutex); |
133 | mutex_unlock(&starter_mutex); |
134 | 134 | ||
135 | printf("Starting thread #%d...\n",THREAD->tid); |
135 | printf("Starting thread #%d...\n",THREAD->tid); |
136 | 136 | ||
137 | /* Alloc all */ |
137 | /* Alloc all */ |
138 | printf("Thread #%d allocating...\n", THREAD->tid); |
138 | printf("Thread #%d allocating...\n", THREAD->tid); |
139 | while (1) { |
139 | while (1) { |
140 | /* Call with atomic to detect end of memory */ |
140 | /* Call with atomic to detect end of memory */ |
141 | new = slab_alloc(thr_cache, FRAME_ATOMIC); |
141 | new = slab_alloc(thr_cache, FRAME_ATOMIC); |
142 | if (!new) |
142 | if (!new) |
143 | break; |
143 | break; |
144 | *((void **)new) = data; |
144 | *((void **)new) = data; |
145 | data = new; |
145 | data = new; |
146 | } |
146 | } |
147 | printf("Thread #%d releasing...\n", THREAD->tid); |
147 | printf("Thread #%d releasing...\n", THREAD->tid); |
148 | while (data) { |
148 | while (data) { |
149 | new = *((void **)data); |
149 | new = *((void **)data); |
150 | *((void **)data) = NULL; |
150 | *((void **)data) = NULL; |
151 | slab_free(thr_cache, data); |
151 | slab_free(thr_cache, data); |
152 | data = new; |
152 | data = new; |
153 | } |
153 | } |
154 | printf("Thread #%d allocating...\n", THREAD->tid); |
154 | printf("Thread #%d allocating...\n", THREAD->tid); |
155 | while (1) { |
155 | while (1) { |
156 | /* Call with atomic to detect end of memory */ |
156 | /* Call with atomic to detect end of memory */ |
157 | new = slab_alloc(thr_cache, FRAME_ATOMIC); |
157 | new = slab_alloc(thr_cache, FRAME_ATOMIC); |
158 | if (!new) |
158 | if (!new) |
159 | break; |
159 | break; |
160 | *((void **)new) = data; |
160 | *((void **)new) = data; |
161 | data = new; |
161 | data = new; |
162 | } |
162 | } |
163 | printf("Thread #%d releasing...\n", THREAD->tid); |
163 | printf("Thread #%d releasing...\n", THREAD->tid); |
164 | while (data) { |
164 | while (data) { |
165 | new = *((void **)data); |
165 | new = *((void **)data); |
166 | *((void **)data) = NULL; |
166 | *((void **)data) = NULL; |
167 | slab_free(thr_cache, data); |
167 | slab_free(thr_cache, data); |
168 | data = new; |
168 | data = new; |
169 | } |
169 | } |
170 | 170 | ||
171 | printf("Thread #%d finished\n", THREAD->tid); |
171 | printf("Thread #%d finished\n", THREAD->tid); |
172 | slab_print_list(); |
172 | slab_print_list(); |
173 | semaphore_up(&thr_sem); |
173 | semaphore_up(&thr_sem); |
174 | } |
174 | } |
175 | 175 | ||
176 | static void multitest(int size) |
176 | static void multitest(int size) |
177 | { |
177 | { |
178 | /* Start 8 threads that just allocate as much as possible, |
178 | /* Start 8 threads that just allocate as much as possible, |
179 | * then release everything, then again allocate, then release |
179 | * then release everything, then again allocate, then release |
180 | */ |
180 | */ |
181 | thread_t *t; |
181 | thread_t *t; |
182 | int i; |
182 | int i; |
183 | 183 | ||
184 | printf("Running stress test with size %d\n", size); |
184 | printf("Running stress test with size %d\n", size); |
185 | condvar_initialize(&thread_starter); |
185 | condvar_initialize(&thread_starter); |
186 | mutex_initialize(&starter_mutex); |
186 | mutex_initialize(&starter_mutex); |
187 | 187 | ||
188 | thr_cache = slab_cache_create("thread_cache", size, 0, |
188 | thr_cache = slab_cache_create("thread_cache", size, 0, |
189 | NULL, NULL, |
189 | NULL, NULL, |
190 | 0); |
190 | 0); |
191 | semaphore_initialize(&thr_sem,0); |
191 | semaphore_initialize(&thr_sem,0); |
192 | for (i = 0; i < THREADS; i++) { |
192 | for (i = 0; i < THREADS; i++) { |
193 | if (!(t = thread_create(slabtest, NULL, TASK, 0, "slabtest", false))) |
193 | if (!(t = thread_create(slabtest, NULL, TASK, 0, "slabtest", false))) |
194 | printf("Could not create thread %d\n", i); |
194 | printf("Could not create thread %d\n", i); |
195 | else |
195 | else |
196 | thread_ready(t); |
196 | thread_ready(t); |
197 | } |
197 | } |
198 | thread_sleep(1); |
198 | thread_sleep(1); |
199 | condvar_broadcast(&thread_starter); |
199 | condvar_broadcast(&thread_starter); |
200 | 200 | ||
201 | for (i = 0; i < THREADS; i++) |
201 | for (i = 0; i < THREADS; i++) |
202 | semaphore_down(&thr_sem); |
202 | semaphore_down(&thr_sem); |
203 | 203 | ||
204 | slab_cache_destroy(thr_cache); |
204 | slab_cache_destroy(thr_cache); |
205 | printf("Stress test complete.\n"); |
205 | printf("Stress test complete.\n"); |
206 | } |
206 | } |
207 | 207 | ||
208 | char * test_slab2(void) |
208 | char * test_slab2(bool quiet) |
209 | { |
209 | { |
210 | printf("Running reclaim single-thread test .. pass 1\n"); |
210 | printf("Running reclaim single-thread test .. pass 1\n"); |
211 | totalmemtest(); |
211 | totalmemtest(); |
212 | printf("Running reclaim single-thread test .. pass 2\n"); |
212 | printf("Running reclaim single-thread test .. pass 2\n"); |
213 | totalmemtest(); |
213 | totalmemtest(); |
214 | printf("Reclaim test OK.\n"); |
214 | printf("Reclaim test OK.\n"); |
215 | 215 | ||
216 | multitest(128); |
216 | multitest(128); |
217 | multitest(2048); |
217 | multitest(2048); |
218 | multitest(8192); |
218 | multitest(8192); |
219 | printf("All done.\n"); |
219 | printf("All done.\n"); |
220 | 220 | ||
221 | return NULL; |
221 | return NULL; |
222 | } |
222 | } |
223 | 223 |