diff options
author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-04-12 13:14:05 +0100 |
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committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-04-12 13:15:50 +0100 |
commit | 539abffc3e73b462479e2763739786c55d784a00 (patch) | |
tree | 2b95d7c7afd8b73003ee65d49977ad5dadd1e5d0 | |
parent | 8af67d1980a1251bd8efb51d4a31062084fe8e03 (diff) |
igt: Add a basic test to stress allocation of batches
Run for 20s and don't expect to crash from memory exhaustion or sillies.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
-rw-r--r-- | tests/Makefile.sources | 1 | ||||
-rw-r--r-- | tests/gem_exec_create.c | 145 |
2 files changed, 146 insertions, 0 deletions
diff --git a/tests/Makefile.sources b/tests/Makefile.sources index 03370679a3b8..c52be2c59abb 100644 --- a/tests/Makefile.sources +++ b/tests/Makefile.sources @@ -33,6 +33,7 @@ TESTS_progs_M = \ gem_exec_alignment \ gem_exec_bad_domains \ gem_exec_basic \ + gem_exec_create \ gem_exec_faulting_reloc \ gem_exec_nop \ gem_exec_params \ diff --git a/tests/gem_exec_create.c b/tests/gem_exec_create.c new file mode 100644 index 000000000000..bd0dfb507a48 --- /dev/null +++ b/tests/gem_exec_create.c @@ -0,0 +1,145 @@ +/* + * 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); +} + +static bool ignore_engine(int fd, unsigned engine) +{ + if (engine == 0) + return true; + + if (gem_has_bsd2(fd) && engine == I915_EXEC_BSD) + return true; + + return false; +} + +static void all(int fd, int timeout) +{ + const uint32_t bbe = MI_BATCH_BUFFER_END; + struct drm_i915_gem_execbuffer2 execbuf; + struct drm_i915_gem_exec_object2 obj; + struct timespec start, now; + unsigned engines[16]; + unsigned nengine; + unsigned engine; + unsigned long count; + double time; + + nengine = 0; + for_each_engine(fd, engine) { + if (ignore_engine(fd, engine)) + continue; + + 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 = (uintptr_t)&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); + + 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); + gem_close(fd, obj.handle); + } + } + count += nengine * 1024; + clock_gettime(CLOCK_MONOTONIC, &now); + } while (elapsed(&start, &now) < timeout); /* Hang detection ~120s */ + gem_quiescent_gpu(fd); + clock_gettime(CLOCK_MONOTONIC, &now); + + time = elapsed(&start, &now) / count; + igt_info("All (%d engines): %'lu cycles, average %.3fus per cycle\n", + nengine, count, 1e6*time); +} + +igt_main +{ + int device = -1; + + igt_fixture + device = drm_open_driver(DRIVER_INTEL); + + igt_fork_hang_detector(device); + + igt_subtest("basic") + all(device, 20); + + igt_stop_hang_detector(); + + igt_fixture + close(device); +} |