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Commit 6a5b7d2c authored by Emilio López's avatar Emilio López Committed by Shuah Khan
Browse files

selftest: sync: fence tests for sw_sync framework 



These tests are based on the libsync test suite from Android.
This commit includes tests for basic fence creation.

Signed-off-by: default avatarEmilio López <emilio.lopez@collabora.co.uk>
Signed-off-by: default avatarShuah Khan <shuahkh@osg.samsung.com>
parent 82208160

tools/testing/selftests/sync/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ include ../lib.mk 
OBJS = sync_test.o sync.o



TESTS += sync_alloc.o

TESTS += sync_fence.o



sync_test: $(OBJS) $(TESTS)

tools/testing/selftests/sync/sync_fence.c

0 → 100644
+132 −0
Original line number Diff line number Diff line 
/*

 *  sync fence tests with one timeline

 *  Copyright 2015-2016 Collabora Ltd.

 *

 *  Based on the implementation from the Android Open Source Project,

 *

 *  Copyright 2012 Google, Inc

 *

 *  Permission is hereby granted, free of charge, to any person obtaining a

 *  copy of this software and associated documentation files (the "Software"),

 *  to deal in the Software without restriction, including without limitation

 *  the rights to use, copy, modify, merge, publish, distribute, sublicense,

 *  and/or sell copies of the Software, and to permit persons to whom the

 *  Software is furnished to do so, subject to the following conditions:

 *

 *  The above copyright notice and this permission notice shall be included in

 *  all copies or substantial portions of the Software.

 *

 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR

 *  OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

 *  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 *  OTHER DEALINGS IN THE SOFTWARE.

 */



#include "sync.h"

#include "sw_sync.h"

#include "synctest.h"



int test_fence_one_timeline_wait(void)

{

	int fence, valid, ret;

	int timeline = sw_sync_timeline_create();



	valid = sw_sync_timeline_is_valid(timeline);

	ASSERT(valid, "Failure allocating timeline\n");



	fence = sw_sync_fence_create(timeline, "allocFence", 5);

	valid = sw_sync_fence_is_valid(fence);

	ASSERT(valid, "Failure allocating fence\n");



	/* Wait on fence until timeout */

	ret = sync_wait(fence, 0);

	ASSERT(ret == 0, "Failure waiting on fence until timeout\n");



	/* Advance timeline from 0 -> 1 */

	ret = sw_sync_timeline_inc(timeline, 1);

	ASSERT(ret == 0, "Failure advancing timeline\n");



	/* Wait on fence until timeout */

	ret = sync_wait(fence, 0);

	ASSERT(ret == 0, "Failure waiting on fence until timeout\n");



	/* Signal the fence */

	ret = sw_sync_timeline_inc(timeline, 4);

	ASSERT(ret == 0, "Failure signaling the fence\n");



	/* Wait successfully */

	ret = sync_wait(fence, 0);

	ASSERT(ret > 0, "Failure waiting on fence\n");



	/* Go even further, and confirm wait still succeeds */

	ret = sw_sync_timeline_inc(timeline, 10);

	ASSERT(ret == 0, "Failure going further\n");

	ret = sync_wait(fence, 0);

	ASSERT(ret > 0, "Failure waiting ahead\n");



	sw_sync_fence_destroy(fence);

	sw_sync_timeline_destroy(timeline);



	return 0;

}



int test_fence_one_timeline_merge(void)

{

	int a, b, c, d, valid;

	int timeline = sw_sync_timeline_create();



	/* create fence a,b,c and then merge them all into fence d */

	a = sw_sync_fence_create(timeline, "allocFence", 1);

	b = sw_sync_fence_create(timeline, "allocFence", 2);

	c = sw_sync_fence_create(timeline, "allocFence", 3);



	valid = sw_sync_fence_is_valid(a) &&

		sw_sync_fence_is_valid(b) &&

		sw_sync_fence_is_valid(c);

	ASSERT(valid, "Failure allocating fences\n");



	d = sync_merge("mergeFence", b, a);

	d = sync_merge("mergeFence", c, d);

	valid = sw_sync_fence_is_valid(d);

	ASSERT(valid, "Failure merging fences\n");



	/* confirm all fences have one active point (even d) */

	ASSERT(sync_fence_count_with_status(a, FENCE_STATUS_ACTIVE) == 1,

	       "a has too many active fences!\n");

	ASSERT(sync_fence_count_with_status(a, FENCE_STATUS_ACTIVE) == 1,

	       "b has too many active fences!\n");

	ASSERT(sync_fence_count_with_status(a, FENCE_STATUS_ACTIVE) == 1,

	       "c has too many active fences!\n");

	ASSERT(sync_fence_count_with_status(a, FENCE_STATUS_ACTIVE) == 1,

	       "d has too many active fences!\n");



	/* confirm that d is not signaled until the max of a,b,c */

	sw_sync_timeline_inc(timeline, 1);

	ASSERT(sync_fence_count_with_status(a, FENCE_STATUS_SIGNALED) == 1,

	       "a did not signal!\n");

	ASSERT(sync_fence_count_with_status(d, FENCE_STATUS_ACTIVE) == 1,

	       "d signaled too early!\n");



	sw_sync_timeline_inc(timeline, 1);

	ASSERT(sync_fence_count_with_status(b, FENCE_STATUS_SIGNALED) == 1,

	       "b did not signal!\n");

	ASSERT(sync_fence_count_with_status(d, FENCE_STATUS_ACTIVE) == 1,

	       "d signaled too early!\n");



	sw_sync_timeline_inc(timeline, 1);

	ASSERT(sync_fence_count_with_status(c, FENCE_STATUS_SIGNALED) == 1,

	       "c did not signal!\n");

	ASSERT(sync_fence_count_with_status(d, FENCE_STATUS_ACTIVE) == 0 &&

	       sync_fence_count_with_status(d, FENCE_STATUS_SIGNALED) == 1,

	       "d did not signal!\n");



	sw_sync_fence_destroy(d);

	sw_sync_fence_destroy(c);

	sw_sync_fence_destroy(b);

	sw_sync_fence_destroy(a);

	sw_sync_timeline_destroy(timeline);

	return 0;

}

tools/testing/selftests/sync/sync_test.c

+3 −0
Original line number Diff line number Diff line
@@ -62,6 +62,9 @@ int main(void) 
	err += RUN_TEST(test_alloc_fence);

	err += RUN_TEST(test_alloc_fence_negative);



	err += RUN_TEST(test_fence_one_timeline_wait);

	err += RUN_TEST(test_fence_one_timeline_merge);



	if (err)

		printf("[FAIL]\tsync errors: %d\n", err);

	else

tools/testing/selftests/sync/synctest.h

+4 −0
Original line number Diff line number Diff line
@@ -44,4 +44,8 @@ int test_alloc_timeline(void); 
int test_alloc_fence(void);

int test_alloc_fence_negative(void);



/* Fence tests with one timeline */

int test_fence_one_timeline_wait(void);

int test_fence_one_timeline_merge(void);



#endif