~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/tools/testing/selftests/sync/sync_fence.c

Version: ~ [ linux-6.11-rc3 ] ~ [ linux-6.10.4 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.45 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.104 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.164 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.223 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.281 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.319 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.9 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  *  sync fence tests with one timeline
  3  *  Copyright 2015-2016 Collabora Ltd.
  4  *
  5  *  Based on the implementation from the Android Open Source Project,
  6  *
  7  *  Copyright 2012 Google, Inc
  8  *
  9  *  Permission is hereby granted, free of charge, to any person obtaining a
 10  *  copy of this software and associated documentation files (the "Software"),
 11  *  to deal in the Software without restriction, including without limitation
 12  *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
 13  *  and/or sell copies of the Software, and to permit persons to whom the
 14  *  Software is furnished to do so, subject to the following conditions:
 15  *
 16  *  The above copyright notice and this permission notice shall be included in
 17  *  all copies or substantial portions of the Software.
 18  *
 19  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 20  *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 21  *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 22  *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 23  *  OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 24  *  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 25  *  OTHER DEALINGS IN THE SOFTWARE.
 26  */
 27 
 28 #include "sync.h"
 29 #include "sw_sync.h"
 30 #include "synctest.h"
 31 
 32 int test_fence_one_timeline_wait(void)
 33 {
 34         int fence, valid, ret;
 35         int timeline = sw_sync_timeline_create();
 36 
 37         valid = sw_sync_timeline_is_valid(timeline);
 38         ASSERT(valid, "Failure allocating timeline\n");
 39 
 40         fence = sw_sync_fence_create(timeline, "allocFence", 5);
 41         valid = sw_sync_fence_is_valid(fence);
 42         ASSERT(valid, "Failure allocating fence\n");
 43 
 44         /* Wait on fence until timeout */
 45         ret = sync_wait(fence, 0);
 46         ASSERT(ret == 0, "Failure waiting on fence until timeout\n");
 47 
 48         /* Advance timeline from 0 -> 1 */
 49         ret = sw_sync_timeline_inc(timeline, 1);
 50         ASSERT(ret == 0, "Failure advancing timeline\n");
 51 
 52         /* Wait on fence until timeout */
 53         ret = sync_wait(fence, 0);
 54         ASSERT(ret == 0, "Failure waiting on fence until timeout\n");
 55 
 56         /* Signal the fence */
 57         ret = sw_sync_timeline_inc(timeline, 4);
 58         ASSERT(ret == 0, "Failure signaling the fence\n");
 59 
 60         /* Wait successfully */
 61         ret = sync_wait(fence, 0);
 62         ASSERT(ret > 0, "Failure waiting on fence\n");
 63 
 64         /* Go even further, and confirm wait still succeeds */
 65         ret = sw_sync_timeline_inc(timeline, 10);
 66         ASSERT(ret == 0, "Failure going further\n");
 67         ret = sync_wait(fence, 0);
 68         ASSERT(ret > 0, "Failure waiting ahead\n");
 69 
 70         sw_sync_fence_destroy(fence);
 71         sw_sync_timeline_destroy(timeline);
 72 
 73         return 0;
 74 }
 75 
 76 int test_fence_one_timeline_merge(void)
 77 {
 78         int a, b, c, d, valid;
 79         int timeline = sw_sync_timeline_create();
 80 
 81         /* create fence a,b,c and then merge them all into fence d */
 82         a = sw_sync_fence_create(timeline, "allocFence", 1);
 83         b = sw_sync_fence_create(timeline, "allocFence", 2);
 84         c = sw_sync_fence_create(timeline, "allocFence", 3);
 85 
 86         valid = sw_sync_fence_is_valid(a) &&
 87                 sw_sync_fence_is_valid(b) &&
 88                 sw_sync_fence_is_valid(c);
 89         ASSERT(valid, "Failure allocating fences\n");
 90 
 91         d = sync_merge("mergeFence", b, a);
 92         d = sync_merge("mergeFence", c, d);
 93         valid = sw_sync_fence_is_valid(d);
 94         ASSERT(valid, "Failure merging fences\n");
 95 
 96         /* confirm all fences have one active point (even d) */
 97         ASSERT(sync_fence_count_with_status(a, FENCE_STATUS_ACTIVE) == 1,
 98                "a has too many active fences!\n");
 99         ASSERT(sync_fence_count_with_status(a, FENCE_STATUS_ACTIVE) == 1,
100                "b has too many active fences!\n");
101         ASSERT(sync_fence_count_with_status(a, FENCE_STATUS_ACTIVE) == 1,
102                "c has too many active fences!\n");
103         ASSERT(sync_fence_count_with_status(a, FENCE_STATUS_ACTIVE) == 1,
104                "d has too many active fences!\n");
105 
106         /* confirm that d is not signaled until the max of a,b,c */
107         sw_sync_timeline_inc(timeline, 1);
108         ASSERT(sync_fence_count_with_status(a, FENCE_STATUS_SIGNALED) == 1,
109                "a did not signal!\n");
110         ASSERT(sync_fence_count_with_status(d, FENCE_STATUS_ACTIVE) == 1,
111                "d signaled too early!\n");
112 
113         sw_sync_timeline_inc(timeline, 1);
114         ASSERT(sync_fence_count_with_status(b, FENCE_STATUS_SIGNALED) == 1,
115                "b did not signal!\n");
116         ASSERT(sync_fence_count_with_status(d, FENCE_STATUS_ACTIVE) == 1,
117                "d signaled too early!\n");
118 
119         sw_sync_timeline_inc(timeline, 1);
120         ASSERT(sync_fence_count_with_status(c, FENCE_STATUS_SIGNALED) == 1,
121                "c did not signal!\n");
122         ASSERT(sync_fence_count_with_status(d, FENCE_STATUS_ACTIVE) == 0 &&
123                sync_fence_count_with_status(d, FENCE_STATUS_SIGNALED) == 1,
124                "d did not signal!\n");
125 
126         sw_sync_fence_destroy(d);
127         sw_sync_fence_destroy(c);
128         sw_sync_fence_destroy(b);
129         sw_sync_fence_destroy(a);
130         sw_sync_timeline_destroy(timeline);
131         return 0;
132 }
133 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

sflogo.php