| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20161019124954.29232-3-emilio.lopez@collabora.co.uk>
Date: Wed, 19 Oct 2016 09:49:49 -0300
From: Emilio López <emilio.lopez@...labora.co.uk>
To: shuah@...nel.org
Cc: devel@...verdev.osuosl.org, gustavo.padovan@...labora.co.uk,
riandrews@...roid.com, daniel.vetter@...ll.ch,
John.C.Harrison@...el.com, linux-kernel@...r.kernel.org,
dri-devel@...ts.freedesktop.org, ghackmann@...gle.com,
robdclark@...il.com, linux-kselftest@...r.kernel.org,
maarten.lankhorst@...ux.intel.com, daniels@...labora.com,
arve@...roid.com, emil.l.velikov@...il.com, mpe@...erman.id.au,
Emilio López <emilio.lopez@...labora.co.uk>
Subject: [PATCH v2 2/7] 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: Emilio López <emilio.lopez@...labora.co.uk>
---
tools/testing/selftests/sync/Makefile | 1 +
tools/testing/selftests/sync/sync_fence.c | 132 ++++++++++++++++++++++++++++++
tools/testing/selftests/sync/sync_test.c | 3 +
tools/testing/selftests/sync/synctest.h | 4 +
4 files changed, 140 insertions(+)
create mode 100644 tools/testing/selftests/sync/sync_fence.c
diff --git a/tools/testing/selftests/sync/Makefile b/tools/testing/selftests/sync/Makefile
index 620a59a..69e18b3 100644
--- a/tools/testing/selftests/sync/Makefile
+++ b/tools/testing/selftests/sync/Makefile
@@ -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)
diff --git a/tools/testing/selftests/sync/sync_fence.c b/tools/testing/selftests/sync/sync_fence.c
new file mode 100644
index 0000000..13f1752
--- /dev/null
+++ b/tools/testing/selftests/sync/sync_fence.c
@@ -0,0 +1,132 @@
+/*
+ * 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;
+}
diff --git a/tools/testing/selftests/sync/sync_test.c b/tools/testing/selftests/sync/sync_test.c
index e471ba9..b442292b 100644
--- a/tools/testing/selftests/sync/sync_test.c
+++ b/tools/testing/selftests/sync/sync_test.c
@@ -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
diff --git a/tools/testing/selftests/sync/synctest.h b/tools/testing/selftests/sync/synctest.h
index 7d2d8ce..6505c28 100644
--- a/tools/testing/selftests/sync/synctest.h
+++ b/tools/testing/selftests/sync/synctest.h
@@ -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
--
2.10.1
Powered by blists - more mailing lists