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-rw-r--r--tools/testing/selftests/sync/.gitignore2
-rw-r--r--tools/testing/selftests/sync/Makefile38
-rw-r--r--tools/testing/selftests/sync/config2
-rw-r--r--tools/testing/selftests/sync/sw_sync.h46
-rw-r--r--tools/testing/selftests/sync/sync.c221
-rw-r--r--tools/testing/selftests/sync/sync.h40
-rw-r--r--tools/testing/selftests/sync/sync_alloc.c74
-rw-r--r--tools/testing/selftests/sync/sync_fence.c132
-rw-r--r--tools/testing/selftests/sync/sync_merge.c60
-rw-r--r--tools/testing/selftests/sync/sync_stress_consumer.c185
-rw-r--r--tools/testing/selftests/sync/sync_stress_merge.c115
-rw-r--r--tools/testing/selftests/sync/sync_stress_parallelism.c111
-rw-r--r--tools/testing/selftests/sync/sync_test.c114
-rw-r--r--tools/testing/selftests/sync/sync_wait.c91
-rw-r--r--tools/testing/selftests/sync/synctest.h67
15 files changed, 1298 insertions, 0 deletions
diff --git a/tools/testing/selftests/sync/.gitignore b/tools/testing/selftests/sync/.gitignore
new file mode 100644
index 000000000..f11523577
--- /dev/null
+++ b/tools/testing/selftests/sync/.gitignore
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
+sync_test
diff --git a/tools/testing/selftests/sync/Makefile b/tools/testing/selftests/sync/Makefile
new file mode 100644
index 000000000..df0f91bf6
--- /dev/null
+++ b/tools/testing/selftests/sync/Makefile
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: GPL-2.0
+CFLAGS += -O2 -g -std=gnu89 -pthread -Wall -Wextra
+CFLAGS += $(KHDR_INCLUDES)
+LDFLAGS += -pthread
+
+.PHONY: all clean
+
+include ../lib.mk
+
+# lib.mk TEST_CUSTOM_PROGS var is for custom tests that need special
+# build rules. lib.mk will run and install them.
+
+TEST_CUSTOM_PROGS := $(OUTPUT)/sync_test
+all: $(TEST_CUSTOM_PROGS)
+
+OBJS = sync_test.o sync.o
+
+TESTS += sync_alloc.o
+TESTS += sync_fence.o
+TESTS += sync_merge.o
+TESTS += sync_wait.o
+TESTS += sync_stress_parallelism.o
+TESTS += sync_stress_consumer.o
+TESTS += sync_stress_merge.o
+
+OBJS := $(patsubst %,$(OUTPUT)/%,$(OBJS))
+TESTS := $(patsubst %,$(OUTPUT)/%,$(TESTS))
+
+$(TEST_CUSTOM_PROGS): $(TESTS) $(OBJS)
+ $(CC) -o $(TEST_CUSTOM_PROGS) $(OBJS) $(TESTS) $(CFLAGS) $(LDFLAGS)
+
+$(OBJS): $(OUTPUT)/%.o: %.c
+ $(CC) -c $^ -o $@ $(CFLAGS)
+
+$(TESTS): $(OUTPUT)/%.o: %.c
+ $(CC) -c $^ -o $@
+
+EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(OBJS) $(TESTS)
diff --git a/tools/testing/selftests/sync/config b/tools/testing/selftests/sync/config
new file mode 100644
index 000000000..64c60f38b
--- /dev/null
+++ b/tools/testing/selftests/sync/config
@@ -0,0 +1,2 @@
+CONFIG_STAGING=y
+CONFIG_SW_SYNC=y
diff --git a/tools/testing/selftests/sync/sw_sync.h b/tools/testing/selftests/sync/sw_sync.h
new file mode 100644
index 000000000..e2cfc6bad
--- /dev/null
+++ b/tools/testing/selftests/sync/sw_sync.h
@@ -0,0 +1,46 @@
+/*
+ * sw_sync abstraction
+ *
+ * Copyright 2015-2016 Collabora Ltd.
+ *
+ * Based on the implementation from the Android Open Source Project,
+ *
+ * Copyright 2013 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.
+ */
+
+#ifndef SELFTESTS_SW_SYNC_H
+#define SELFTESTS_SW_SYNC_H
+
+/*
+ * sw_sync is mainly intended for testing and should not be compiled into
+ * production kernels
+ */
+
+int sw_sync_timeline_create(void);
+int sw_sync_timeline_is_valid(int fd);
+int sw_sync_timeline_inc(int fd, unsigned int count);
+void sw_sync_timeline_destroy(int fd);
+
+int sw_sync_fence_create(int fd, const char *name, unsigned int value);
+int sw_sync_fence_is_valid(int fd);
+void sw_sync_fence_destroy(int fd);
+
+#endif
diff --git a/tools/testing/selftests/sync/sync.c b/tools/testing/selftests/sync/sync.c
new file mode 100644
index 000000000..7741c0518
--- /dev/null
+++ b/tools/testing/selftests/sync/sync.c
@@ -0,0 +1,221 @@
+/*
+ * sync / sw_sync abstraction
+ * 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 <fcntl.h>
+#include <malloc.h>
+#include <poll.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "sync.h"
+#include "sw_sync.h"
+
+#include <linux/sync_file.h>
+
+
+/* SW_SYNC ioctls */
+struct sw_sync_create_fence_data {
+ __u32 value;
+ char name[32];
+ __s32 fence;
+};
+
+#define SW_SYNC_IOC_MAGIC 'W'
+#define SW_SYNC_IOC_CREATE_FENCE _IOWR(SW_SYNC_IOC_MAGIC, 0,\
+ struct sw_sync_create_fence_data)
+#define SW_SYNC_IOC_INC _IOW(SW_SYNC_IOC_MAGIC, 1, __u32)
+
+
+int sync_wait(int fd, int timeout)
+{
+ struct pollfd fds;
+
+ fds.fd = fd;
+ fds.events = POLLIN | POLLERR;
+
+ return poll(&fds, 1, timeout);
+}
+
+int sync_merge(const char *name, int fd1, int fd2)
+{
+ struct sync_merge_data data = {};
+ int err;
+
+ data.fd2 = fd2;
+ strncpy(data.name, name, sizeof(data.name) - 1);
+ data.name[sizeof(data.name) - 1] = '\0';
+
+ err = ioctl(fd1, SYNC_IOC_MERGE, &data);
+ if (err < 0)
+ return err;
+
+ return data.fence;
+}
+
+static struct sync_file_info *sync_file_info(int fd)
+{
+ struct sync_file_info *info;
+ struct sync_fence_info *fence_info;
+ int err, num_fences;
+
+ info = calloc(1, sizeof(*info));
+ if (info == NULL)
+ return NULL;
+
+ err = ioctl(fd, SYNC_IOC_FILE_INFO, info);
+ if (err < 0) {
+ free(info);
+ return NULL;
+ }
+
+ num_fences = info->num_fences;
+
+ if (num_fences) {
+ info->flags = 0;
+ info->num_fences = num_fences;
+
+ fence_info = calloc(num_fences, sizeof(*fence_info));
+ if (!fence_info) {
+ free(info);
+ return NULL;
+ }
+
+ info->sync_fence_info = (uint64_t)(unsigned long)fence_info;
+
+ err = ioctl(fd, SYNC_IOC_FILE_INFO, info);
+ if (err < 0) {
+ free(fence_info);
+ free(info);
+ return NULL;
+ }
+ }
+
+ return info;
+}
+
+static void sync_file_info_free(struct sync_file_info *info)
+{
+ free((void *)(unsigned long)info->sync_fence_info);
+ free(info);
+}
+
+int sync_fence_size(int fd)
+{
+ int count;
+ struct sync_file_info *info = sync_file_info(fd);
+
+ if (!info)
+ return 0;
+
+ count = info->num_fences;
+
+ sync_file_info_free(info);
+
+ return count;
+}
+
+int sync_fence_count_with_status(int fd, int status)
+{
+ unsigned int i, count = 0;
+ struct sync_fence_info *fence_info = NULL;
+ struct sync_file_info *info = sync_file_info(fd);
+
+ if (!info)
+ return -1;
+
+ fence_info = (struct sync_fence_info *)(unsigned long)info->sync_fence_info;
+ for (i = 0 ; i < info->num_fences ; i++) {
+ if (fence_info[i].status == status)
+ count++;
+ }
+
+ sync_file_info_free(info);
+
+ return count;
+}
+
+int sw_sync_timeline_create(void)
+{
+ return open("/sys/kernel/debug/sync/sw_sync", O_RDWR);
+}
+
+int sw_sync_timeline_inc(int fd, unsigned int count)
+{
+ __u32 arg = count;
+
+ return ioctl(fd, SW_SYNC_IOC_INC, &arg);
+}
+
+int sw_sync_timeline_is_valid(int fd)
+{
+ int status;
+
+ if (fd == -1)
+ return 0;
+
+ status = fcntl(fd, F_GETFD, 0);
+ return (status >= 0);
+}
+
+void sw_sync_timeline_destroy(int fd)
+{
+ if (sw_sync_timeline_is_valid(fd))
+ close(fd);
+}
+
+int sw_sync_fence_create(int fd, const char *name, unsigned int value)
+{
+ struct sw_sync_create_fence_data data = {};
+ int err;
+
+ data.value = value;
+ strncpy(data.name, name, sizeof(data.name) - 1);
+ data.name[sizeof(data.name) - 1] = '\0';
+
+ err = ioctl(fd, SW_SYNC_IOC_CREATE_FENCE, &data);
+ if (err < 0)
+ return err;
+
+ return data.fence;
+}
+
+int sw_sync_fence_is_valid(int fd)
+{
+ /* Same code! */
+ return sw_sync_timeline_is_valid(fd);
+}
+
+void sw_sync_fence_destroy(int fd)
+{
+ if (sw_sync_fence_is_valid(fd))
+ close(fd);
+}
diff --git a/tools/testing/selftests/sync/sync.h b/tools/testing/selftests/sync/sync.h
new file mode 100644
index 000000000..fb7156148
--- /dev/null
+++ b/tools/testing/selftests/sync/sync.h
@@ -0,0 +1,40 @@
+/*
+ * sync abstraction
+ * 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.
+ */
+
+#ifndef SELFTESTS_SYNC_H
+#define SELFTESTS_SYNC_H
+
+#define FENCE_STATUS_ERROR (-1)
+#define FENCE_STATUS_ACTIVE (0)
+#define FENCE_STATUS_SIGNALED (1)
+
+int sync_wait(int fd, int timeout);
+int sync_merge(const char *name, int fd1, int fd2);
+int sync_fence_size(int fd);
+int sync_fence_count_with_status(int fd, int status);
+
+#endif
diff --git a/tools/testing/selftests/sync/sync_alloc.c b/tools/testing/selftests/sync/sync_alloc.c
new file mode 100644
index 000000000..66a28afc0
--- /dev/null
+++ b/tools/testing/selftests/sync/sync_alloc.c
@@ -0,0 +1,74 @@
+/*
+ * sync allocation tests
+ * 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_alloc_timeline(void)
+{
+ int timeline, valid;
+
+ timeline = sw_sync_timeline_create();
+ valid = sw_sync_timeline_is_valid(timeline);
+ ASSERT(valid, "Failure allocating timeline\n");
+
+ sw_sync_timeline_destroy(timeline);
+ return 0;
+}
+
+int test_alloc_fence(void)
+{
+ int timeline, fence, valid;
+
+ 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", 1);
+ valid = sw_sync_fence_is_valid(fence);
+ ASSERT(valid, "Failure allocating fence\n");
+
+ sw_sync_fence_destroy(fence);
+ sw_sync_timeline_destroy(timeline);
+ return 0;
+}
+
+int test_alloc_fence_negative(void)
+{
+ int fence, timeline;
+
+ timeline = sw_sync_timeline_create();
+ ASSERT(timeline > 0, "Failure allocating timeline\n");
+
+ fence = sw_sync_fence_create(-1, "fence", 1);
+ ASSERT(fence < 0, "Success allocating negative fence\n");
+
+ sw_sync_fence_destroy(fence);
+ sw_sync_timeline_destroy(timeline);
+ return 0;
+}
diff --git a/tools/testing/selftests/sync/sync_fence.c b/tools/testing/selftests/sync/sync_fence.c
new file mode 100644
index 000000000..13f175287
--- /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_merge.c b/tools/testing/selftests/sync/sync_merge.c
new file mode 100644
index 000000000..8914d4339
--- /dev/null
+++ b/tools/testing/selftests/sync/sync_merge.c
@@ -0,0 +1,60 @@
+/*
+ * sync fence merge tests
+ * 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_merge_same_fence(void)
+{
+ int fence, valid, merged;
+ 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");
+
+ merged = sync_merge("mergeFence", fence, fence);
+ valid = sw_sync_fence_is_valid(fence);
+ ASSERT(valid, "Failure merging fence\n");
+
+ ASSERT(sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED) == 0,
+ "fence signaled too early!\n");
+
+ sw_sync_timeline_inc(timeline, 5);
+ ASSERT(sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED) == 1,
+ "fence did not signal!\n");
+
+ sw_sync_fence_destroy(merged);
+ sw_sync_fence_destroy(fence);
+ sw_sync_timeline_destroy(timeline);
+
+ return 0;
+}
diff --git a/tools/testing/selftests/sync/sync_stress_consumer.c b/tools/testing/selftests/sync/sync_stress_consumer.c
new file mode 100644
index 000000000..d9eff8d52
--- /dev/null
+++ b/tools/testing/selftests/sync/sync_stress_consumer.c
@@ -0,0 +1,185 @@
+/*
+ * sync stress test: producer/consumer
+ * 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 <pthread.h>
+
+#include "sync.h"
+#include "sw_sync.h"
+#include "synctest.h"
+
+/* IMPORTANT NOTE: if you see this test failing on your system, it may be
+ * due to a shortage of file descriptors. Please ensure your system has
+ * a sensible limit for this test to finish correctly.
+ */
+
+/* Returns 1 on error, 0 on success */
+static int busy_wait_on_fence(int fence)
+{
+ int error, active;
+
+ do {
+ error = sync_fence_count_with_status(fence, FENCE_STATUS_ERROR);
+ ASSERT(error == 0, "Error occurred on fence\n");
+ active = sync_fence_count_with_status(fence,
+ FENCE_STATUS_ACTIVE);
+ } while (active);
+
+ return 0;
+}
+
+static struct {
+ int iterations;
+ int threads;
+ int counter;
+ int consumer_timeline;
+ int *producer_timelines;
+ pthread_mutex_t lock;
+} test_data_mpsc;
+
+static int mpsc_producer_thread(void *d)
+{
+ int id = (long)d;
+ int fence, valid, i;
+ int *producer_timelines = test_data_mpsc.producer_timelines;
+ int consumer_timeline = test_data_mpsc.consumer_timeline;
+ int iterations = test_data_mpsc.iterations;
+
+ for (i = 0; i < iterations; i++) {
+ fence = sw_sync_fence_create(consumer_timeline, "fence", i);
+ valid = sw_sync_fence_is_valid(fence);
+ ASSERT(valid, "Failure creating fence\n");
+
+ /*
+ * Wait for the consumer to finish. Use alternate
+ * means of waiting on the fence
+ */
+
+ if ((iterations + id) % 8 != 0) {
+ ASSERT(sync_wait(fence, -1) > 0,
+ "Failure waiting on fence\n");
+ } else {
+ ASSERT(busy_wait_on_fence(fence) == 0,
+ "Failure waiting on fence\n");
+ }
+
+ /*
+ * Every producer increments the counter, the consumer
+ * checks and erases it
+ */
+ pthread_mutex_lock(&test_data_mpsc.lock);
+ test_data_mpsc.counter++;
+ pthread_mutex_unlock(&test_data_mpsc.lock);
+
+ ASSERT(sw_sync_timeline_inc(producer_timelines[id], 1) == 0,
+ "Error advancing producer timeline\n");
+
+ sw_sync_fence_destroy(fence);
+ }
+
+ return 0;
+}
+
+static int mpcs_consumer_thread(void)
+{
+ int fence, merged, tmp, valid, it, i;
+ int *producer_timelines = test_data_mpsc.producer_timelines;
+ int consumer_timeline = test_data_mpsc.consumer_timeline;
+ int iterations = test_data_mpsc.iterations;
+ int n = test_data_mpsc.threads;
+
+ for (it = 1; it <= iterations; it++) {
+ fence = sw_sync_fence_create(producer_timelines[0], "name", it);
+ for (i = 1; i < n; i++) {
+ tmp = sw_sync_fence_create(producer_timelines[i],
+ "name", it);
+ merged = sync_merge("name", tmp, fence);
+ sw_sync_fence_destroy(tmp);
+ sw_sync_fence_destroy(fence);
+ fence = merged;
+ }
+
+ valid = sw_sync_fence_is_valid(fence);
+ ASSERT(valid, "Failure merging fences\n");
+
+ /*
+ * Make sure we see an increment from every producer thread.
+ * Vary the means by which we wait.
+ */
+ if (iterations % 8 != 0) {
+ ASSERT(sync_wait(fence, -1) > 0,
+ "Producers did not increment as expected\n");
+ } else {
+ ASSERT(busy_wait_on_fence(fence) == 0,
+ "Producers did not increment as expected\n");
+ }
+
+ ASSERT(test_data_mpsc.counter == n * it,
+ "Counter value mismatch!\n");
+
+ /* Release the producer threads */
+ ASSERT(sw_sync_timeline_inc(consumer_timeline, 1) == 0,
+ "Failure releasing producer threads\n");
+
+ sw_sync_fence_destroy(fence);
+ }
+
+ return 0;
+}
+
+int test_consumer_stress_multi_producer_single_consumer(void)
+{
+ int iterations = 1 << 12;
+ int n = 5;
+ long i, ret;
+ int producer_timelines[n];
+ int consumer_timeline;
+ pthread_t threads[n];
+
+ consumer_timeline = sw_sync_timeline_create();
+ for (i = 0; i < n; i++)
+ producer_timelines[i] = sw_sync_timeline_create();
+
+ test_data_mpsc.producer_timelines = producer_timelines;
+ test_data_mpsc.consumer_timeline = consumer_timeline;
+ test_data_mpsc.iterations = iterations;
+ test_data_mpsc.threads = n;
+ test_data_mpsc.counter = 0;
+ pthread_mutex_init(&test_data_mpsc.lock, NULL);
+
+ for (i = 0; i < n; i++) {
+ pthread_create(&threads[i], NULL, (void * (*)(void *))
+ mpsc_producer_thread, (void *)i);
+ }
+
+ /* Consumer thread runs here */
+ ret = mpcs_consumer_thread();
+
+ for (i = 0; i < n; i++)
+ pthread_join(threads[i], NULL);
+
+ return ret;
+}
diff --git a/tools/testing/selftests/sync/sync_stress_merge.c b/tools/testing/selftests/sync/sync_stress_merge.c
new file mode 100644
index 000000000..99e83ef45
--- /dev/null
+++ b/tools/testing/selftests/sync/sync_stress_merge.c
@@ -0,0 +1,115 @@
+/*
+ * sync stress test: merging
+ * 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 <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include "sync.h"
+#include "sw_sync.h"
+#include "synctest.h"
+
+int test_merge_stress_random_merge(void)
+{
+ int i, size, ret;
+ int timeline_count = 32;
+ int merge_count = 1024 * 32;
+ int timelines[timeline_count];
+ int fence_map[timeline_count];
+ int fence, tmpfence, merged, valid;
+ int timeline, timeline_offset, sync_point;
+
+ srand(time(NULL));
+
+ for (i = 0; i < timeline_count; i++)
+ timelines[i] = sw_sync_timeline_create();
+
+ fence = sw_sync_fence_create(timelines[0], "fence", 0);
+ valid = sw_sync_fence_is_valid(fence);
+ ASSERT(valid, "Failure creating fence\n");
+
+ memset(fence_map, -1, sizeof(fence_map));
+ fence_map[0] = 0;
+
+ /*
+ * Randomly create sync_points out of a fixed set of timelines,
+ * and merge them together
+ */
+ for (i = 0; i < merge_count; i++) {
+ /* Generate sync_point. */
+ timeline_offset = rand() % timeline_count;
+ timeline = timelines[timeline_offset];
+ sync_point = rand();
+
+ /* Keep track of the latest sync_point in each timeline. */
+ if (fence_map[timeline_offset] == -1)
+ fence_map[timeline_offset] = sync_point;
+ else if (fence_map[timeline_offset] < sync_point)
+ fence_map[timeline_offset] = sync_point;
+
+ /* Merge */
+ tmpfence = sw_sync_fence_create(timeline, "fence", sync_point);
+ merged = sync_merge("merge", tmpfence, fence);
+ sw_sync_fence_destroy(tmpfence);
+ sw_sync_fence_destroy(fence);
+ fence = merged;
+
+ valid = sw_sync_fence_is_valid(merged);
+ ASSERT(valid, "Failure creating fence i\n");
+ }
+
+ size = 0;
+ for (i = 0; i < timeline_count; i++)
+ if (fence_map[i] != -1)
+ size++;
+
+ /* Confirm our map matches the fence. */
+ ASSERT(sync_fence_size(fence) == size,
+ "Quantity of elements not matching\n");
+
+ /* Trigger the merged fence */
+ for (i = 0; i < timeline_count; i++) {
+ if (fence_map[i] != -1) {
+ ret = sync_wait(fence, 0);
+ ASSERT(ret == 0,
+ "Failure waiting on fence until timeout\n");
+ /* Increment the timeline to the last sync_point */
+ sw_sync_timeline_inc(timelines[i], fence_map[i]);
+ }
+ }
+
+ /* Check that the fence is triggered. */
+ ret = sync_wait(fence, 0);
+ ASSERT(ret > 0, "Failure triggering fence\n");
+
+ sw_sync_fence_destroy(fence);
+
+ for (i = 0; i < timeline_count; i++)
+ sw_sync_timeline_destroy(timelines[i]);
+
+ return 0;
+}
diff --git a/tools/testing/selftests/sync/sync_stress_parallelism.c b/tools/testing/selftests/sync/sync_stress_parallelism.c
new file mode 100644
index 000000000..e6c9be671
--- /dev/null
+++ b/tools/testing/selftests/sync/sync_stress_parallelism.c
@@ -0,0 +1,111 @@
+/*
+ * sync stress test: parallelism
+ * 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 <pthread.h>
+
+#include "sync.h"
+#include "sw_sync.h"
+#include "synctest.h"
+
+static struct {
+ int iterations;
+ int timeline;
+ int counter;
+} test_data_two_threads;
+
+static int test_stress_two_threads_shared_timeline_thread(void *d)
+{
+ int thread_id = (long)d;
+ int timeline = test_data_two_threads.timeline;
+ int iterations = test_data_two_threads.iterations;
+ int fence, valid, ret, i;
+
+ for (i = 0; i < iterations; i++) {
+ fence = sw_sync_fence_create(timeline, "fence",
+ i * 2 + thread_id);
+ valid = sw_sync_fence_is_valid(fence);
+ ASSERT(valid, "Failure allocating fence\n");
+
+ /* Wait on the prior thread to complete */
+ ret = sync_wait(fence, -1);
+ ASSERT(ret > 0, "Problem occurred on prior thread\n");
+
+ /*
+ * Confirm the previous thread's writes are visible
+ * and then increment
+ */
+ ASSERT(test_data_two_threads.counter == i * 2 + thread_id,
+ "Counter got damaged!\n");
+ test_data_two_threads.counter++;
+
+ /* Kick off the other thread */
+ ret = sw_sync_timeline_inc(timeline, 1);
+ ASSERT(ret == 0, "Advancing timeline failed\n");
+
+ sw_sync_fence_destroy(fence);
+ }
+
+ return 0;
+}
+
+int test_stress_two_threads_shared_timeline(void)
+{
+ pthread_t a, b;
+ int valid;
+ int timeline = sw_sync_timeline_create();
+
+ valid = sw_sync_timeline_is_valid(timeline);
+ ASSERT(valid, "Failure allocating timeline\n");
+
+ test_data_two_threads.iterations = 1 << 16;
+ test_data_two_threads.counter = 0;
+ test_data_two_threads.timeline = timeline;
+
+ /*
+ * Use a single timeline to synchronize two threads
+ * hammmering on the same counter.
+ */
+
+ pthread_create(&a, NULL, (void *(*)(void *))
+ test_stress_two_threads_shared_timeline_thread,
+ (void *)0);
+ pthread_create(&b, NULL, (void *(*)(void *))
+ test_stress_two_threads_shared_timeline_thread,
+ (void *)1);
+
+ pthread_join(a, NULL);
+ pthread_join(b, NULL);
+
+ /* make sure the threads did not trample on one another */
+ ASSERT(test_data_two_threads.counter ==
+ test_data_two_threads.iterations * 2,
+ "Counter has unexpected value\n");
+
+ 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
new file mode 100644
index 000000000..414a617db
--- /dev/null
+++ b/tools/testing/selftests/sync/sync_test.c
@@ -0,0 +1,114 @@
+/*
+ * sync test runner
+ * 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 <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <errno.h>
+#include <string.h>
+
+#include "../kselftest.h"
+#include "synctest.h"
+
+static int run_test(int (*test)(void), char *name)
+{
+ int result;
+ pid_t childpid;
+ int ret;
+
+ fflush(stdout);
+ childpid = fork();
+
+ if (childpid) {
+ waitpid(childpid, &result, 0);
+ if (WIFEXITED(result)) {
+ ret = WEXITSTATUS(result);
+ if (!ret)
+ ksft_test_result_pass("[RUN]\t%s\n", name);
+ else
+ ksft_test_result_fail("[RUN]\t%s\n", name);
+ return ret;
+ }
+ return 1;
+ }
+
+ exit(test());
+}
+
+static void sync_api_supported(void)
+{
+ struct stat sbuf;
+ int ret;
+
+ ret = stat("/sys/kernel/debug/sync/sw_sync", &sbuf);
+ if (!ret)
+ return;
+
+ if (errno == ENOENT)
+ ksft_exit_skip("Sync framework not supported by kernel\n");
+
+ if (errno == EACCES)
+ ksft_exit_skip("Run Sync test as root.\n");
+
+ ksft_exit_fail_msg("stat failed on /sys/kernel/debug/sync/sw_sync: %s",
+ strerror(errno));
+}
+
+int main(void)
+{
+ int err;
+
+ ksft_print_header();
+
+ sync_api_supported();
+ ksft_set_plan(3 + 7);
+
+ ksft_print_msg("[RUN]\tTesting sync framework\n");
+
+ RUN_TEST(test_alloc_timeline);
+ RUN_TEST(test_alloc_fence);
+ RUN_TEST(test_alloc_fence_negative);
+
+ RUN_TEST(test_fence_one_timeline_wait);
+ RUN_TEST(test_fence_one_timeline_merge);
+ RUN_TEST(test_fence_merge_same_fence);
+ RUN_TEST(test_fence_multi_timeline_wait);
+ RUN_TEST(test_stress_two_threads_shared_timeline);
+ RUN_TEST(test_consumer_stress_multi_producer_single_consumer);
+ RUN_TEST(test_merge_stress_random_merge);
+
+ err = ksft_get_fail_cnt();
+ if (err)
+ ksft_exit_fail_msg("%d out of %d sync tests failed\n",
+ err, ksft_test_num());
+
+ /* need this return to keep gcc happy */
+ return ksft_exit_pass();
+}
diff --git a/tools/testing/selftests/sync/sync_wait.c b/tools/testing/selftests/sync/sync_wait.c
new file mode 100644
index 000000000..d69b752f6
--- /dev/null
+++ b/tools/testing/selftests/sync/sync_wait.c
@@ -0,0 +1,91 @@
+/*
+ * sync fence wait tests
+ * 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_multi_timeline_wait(void)
+{
+ int timelineA, timelineB, timelineC;
+ int fenceA, fenceB, fenceC, merged;
+ int valid, active, signaled, ret;
+
+ timelineA = sw_sync_timeline_create();
+ timelineB = sw_sync_timeline_create();
+ timelineC = sw_sync_timeline_create();
+
+ fenceA = sw_sync_fence_create(timelineA, "fenceA", 5);
+ fenceB = sw_sync_fence_create(timelineB, "fenceB", 5);
+ fenceC = sw_sync_fence_create(timelineC, "fenceC", 5);
+
+ merged = sync_merge("mergeFence", fenceB, fenceA);
+ merged = sync_merge("mergeFence", fenceC, merged);
+
+ valid = sw_sync_fence_is_valid(merged);
+ ASSERT(valid, "Failure merging fence from various timelines\n");
+
+ /* Confirm fence isn't signaled */
+ active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
+ ASSERT(active == 3, "Fence signaled too early!\n");
+
+ ret = sync_wait(merged, 0);
+ ASSERT(ret == 0,
+ "Failure waiting on fence until timeout\n");
+
+ ret = sw_sync_timeline_inc(timelineA, 5);
+ active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
+ signaled = sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED);
+ ASSERT(active == 2 && signaled == 1,
+ "Fence did not signal properly!\n");
+
+ ret = sw_sync_timeline_inc(timelineB, 5);
+ active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
+ signaled = sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED);
+ ASSERT(active == 1 && signaled == 2,
+ "Fence did not signal properly!\n");
+
+ ret = sw_sync_timeline_inc(timelineC, 5);
+ active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
+ signaled = sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED);
+ ASSERT(active == 0 && signaled == 3,
+ "Fence did not signal properly!\n");
+
+ /* confirm you can successfully wait */
+ ret = sync_wait(merged, 100);
+ ASSERT(ret > 0, "Failure waiting on signaled fence\n");
+
+ sw_sync_fence_destroy(merged);
+ sw_sync_fence_destroy(fenceC);
+ sw_sync_fence_destroy(fenceB);
+ sw_sync_fence_destroy(fenceA);
+ sw_sync_timeline_destroy(timelineC);
+ sw_sync_timeline_destroy(timelineB);
+ sw_sync_timeline_destroy(timelineA);
+
+ return 0;
+}
diff --git a/tools/testing/selftests/sync/synctest.h b/tools/testing/selftests/sync/synctest.h
new file mode 100644
index 000000000..90a8e5369
--- /dev/null
+++ b/tools/testing/selftests/sync/synctest.h
@@ -0,0 +1,67 @@
+/*
+ * sync tests
+ * 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.
+ */
+
+#ifndef SELFTESTS_SYNCTEST_H
+#define SELFTESTS_SYNCTEST_H
+
+#include <stdio.h>
+#include "../kselftest.h"
+
+#define ASSERT(cond, msg) do { \
+ if (!(cond)) { \
+ ksft_print_msg("[ERROR]\t%s", (msg)); \
+ return 1; \
+ } \
+} while (0)
+
+#define RUN_TEST(x) run_test((x), #x)
+
+/* Allocation tests */
+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);
+
+/* Fence merge tests */
+int test_fence_merge_same_fence(void);
+
+/* Fence wait tests */
+int test_fence_multi_timeline_wait(void);
+
+/* Stress test - parallelism */
+int test_stress_two_threads_shared_timeline(void);
+
+/* Stress test - consumer */
+int test_consumer_stress_multi_producer_single_consumer(void);
+
+/* Stress test - merging */
+int test_merge_stress_random_merge(void);
+
+#endif