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1 /*
2  * Copyright © 2015 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #include <pthread.h>
25 
26 struct job {
27    struct anv_state_pool *pool;
28    unsigned id;
29    pthread_t thread;
30 } jobs[NUM_THREADS];
31 
32 pthread_barrier_t barrier;
33 
alloc_states(void * void_job)34 static void *alloc_states(void *void_job)
35 {
36    struct job *job = void_job;
37 
38    const unsigned chunk_size = 1 << (job->id % STATES_PER_THREAD_LOG2);
39    const unsigned num_chunks = STATES_PER_THREAD / chunk_size;
40 
41    struct anv_state states[chunk_size];
42 
43    pthread_barrier_wait(&barrier);
44 
45    for (unsigned c = 0; c < num_chunks; c++) {
46       for (unsigned i = 0; i < chunk_size; i++) {
47          states[i] = anv_state_pool_alloc(job->pool, 16, 16);
48          memset(states[i].map, 139, 16);
49          assert(states[i].offset != 0);
50       }
51 
52       for (unsigned i = 0; i < chunk_size; i++)
53          anv_state_pool_free(job->pool, states[i]);
54    }
55 
56    return NULL;
57 }
58 
run_state_pool_test(struct anv_state_pool * state_pool)59 static void run_state_pool_test(struct anv_state_pool *state_pool)
60 {
61    pthread_barrier_init(&barrier, NULL, NUM_THREADS);
62 
63    for (unsigned i = 0; i < NUM_THREADS; i++) {
64       jobs[i].pool = state_pool;
65       jobs[i].id = i;
66       pthread_create(&jobs[i].thread, NULL, alloc_states, &jobs[i]);
67    }
68 
69    for (unsigned i = 0; i < NUM_THREADS; i++)
70       pthread_join(jobs[i].thread, NULL);
71 }
72