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-rw-r--r--tests/i915/gem_exec_create.c158
1 files changed, 158 insertions, 0 deletions
diff --git a/tests/i915/gem_exec_create.c b/tests/i915/gem_exec_create.c
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--- /dev/null
+++ b/tests/i915/gem_exec_create.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * 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 (including the next
+ * paragraph) 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.
+ *
+ * Authors:
+ * Chris Wilson <chris@chris-wilson.co.uk>
+ *
+ */
+
+#include "igt.h"
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <time.h>
+#include "drm.h"
+
+#define LOCAL_I915_EXEC_NO_RELOC (1<<11)
+#define LOCAL_I915_EXEC_HANDLE_LUT (1<<12)
+
+#define LOCAL_I915_EXEC_BSD_SHIFT (13)
+#define LOCAL_I915_EXEC_BSD_MASK (3 << LOCAL_I915_EXEC_BSD_SHIFT)
+
+#define ENGINE_FLAGS (I915_EXEC_RING_MASK | LOCAL_I915_EXEC_BSD_MASK)
+
+static double elapsed(const struct timespec *start, const struct timespec *end)
+{
+ return ((end->tv_sec - start->tv_sec) +
+ (end->tv_nsec - start->tv_nsec)*1e-9);
+}
+
+#define LEAK 0x1
+
+static void all(int fd, unsigned flags, int timeout, int ncpus)
+{
+ const uint32_t bbe = MI_BATCH_BUFFER_END;
+ struct drm_i915_gem_execbuffer2 execbuf;
+ struct drm_i915_gem_exec_object2 obj;
+ unsigned engines[16];
+ unsigned nengine;
+ unsigned engine;
+
+ nengine = 0;
+ for_each_physical_engine(fd, engine)
+ engines[nengine++] = engine;
+ igt_require(nengine);
+
+ memset(&obj, 0, sizeof(obj));
+ obj.handle = gem_create(fd, 4096);
+ gem_write(fd, obj.handle, 0, &bbe, sizeof(bbe));
+
+ memset(&execbuf, 0, sizeof(execbuf));
+ execbuf.buffers_ptr = to_user_pointer(&obj);
+ execbuf.buffer_count = 1;
+ execbuf.flags |= LOCAL_I915_EXEC_HANDLE_LUT;
+ execbuf.flags |= LOCAL_I915_EXEC_NO_RELOC;
+ if (__gem_execbuf(fd, &execbuf)) {
+ execbuf.flags = 0;
+ gem_execbuf(fd, &execbuf);
+ }
+ gem_sync(fd, obj.handle);
+ gem_close(fd, obj.handle);
+
+ intel_detect_and_clear_missed_interrupts(fd);
+ igt_fork(child, ncpus) {
+ struct timespec start, now;
+ unsigned long count;
+ double time;
+
+ count = 0;
+ clock_gettime(CLOCK_MONOTONIC, &start);
+ do {
+ for (int loop = 0; loop < 1024; loop++) {
+ for (int n = 0; n < nengine; n++) {
+ obj.handle = gem_create(fd, 4096);
+ gem_write(fd, obj.handle, 0, &bbe, sizeof(bbe));
+ execbuf.flags &= ~ENGINE_FLAGS;
+ execbuf.flags |= engines[n];
+ gem_execbuf(fd, &execbuf);
+ if (flags & LEAK)
+ gem_madvise(fd, obj.handle, I915_MADV_DONTNEED);
+ else
+ gem_close(fd, obj.handle);
+ }
+ }
+ count += nengine * 1024;
+ clock_gettime(CLOCK_MONOTONIC, &now);
+ } while (elapsed(&start, &now) < timeout); /* Hang detection ~120s */
+ obj.handle = gem_create(fd, 4096);
+ gem_write(fd, obj.handle, 0, &bbe, sizeof(bbe));
+ for (int n = 0; n < nengine; n++) {
+ execbuf.flags &= ~ENGINE_FLAGS;
+ execbuf.flags |= engines[n];
+ gem_execbuf(fd, &execbuf);
+ }
+ gem_sync(fd, obj.handle);
+ gem_close(fd, obj.handle);
+ clock_gettime(CLOCK_MONOTONIC, &now);
+
+ time = elapsed(&start, &now) / count;
+ igt_info("[%d] All (%d engines): %'lu cycles, average %.3fus per cycle\n",
+ child, nengine, count, 1e6*time);
+ }
+ igt_waitchildren();
+ igt_assert_eq(intel_detect_and_clear_missed_interrupts(fd), 0);
+}
+
+igt_main
+{
+ const int ncpus = sysconf(_SC_NPROCESSORS_ONLN);
+ int device = -1;
+
+ igt_fixture {
+ device = drm_open_driver(DRIVER_INTEL);
+ igt_require_gem(device);
+
+ igt_fork_hang_detector(device);
+ }
+
+ igt_subtest("basic")
+ all(device, 0, 5, 1);
+ igt_subtest("forked")
+ all(device, 0, 150, ncpus);
+
+ igt_subtest("madvise")
+ all(device, LEAK, 20, 1);
+
+
+ igt_fixture {
+ igt_stop_hang_detector();
+ close(device);
+ }
+}