From 741bf7064c467df725c14cc0b3b8b50436f9ee09 Mon Sep 17 00:00:00 2001 From: Arkadiusz Hiler Date: Thu, 18 Oct 2018 14:06:42 +0300 Subject: tests: Introduce i915 directory We can already move all the tests with distinct prefixes: gem_, gen3_ and i915_. pm_ and drv_ tests will follow in batches, so we can do the adjustments in the reporting/filtering layer of the CI system. v2: Fix test-list.txt generation with meson v3: Fix docs build (Petri) Cc: Chris Wilson Cc: Petri Latvala Cc: Martin Peres Signed-off-by: Arkadiusz Hiler Reviewed-by: Petri Latvala Tested-by: Petri Latvala Acked-by: Daniel Vetter Acked-by: Chris Wilson --- tests/i915/gem_pwrite_pread.c | 410 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 410 insertions(+) create mode 100644 tests/i915/gem_pwrite_pread.c (limited to 'tests/i915/gem_pwrite_pread.c') diff --git a/tests/i915/gem_pwrite_pread.c b/tests/i915/gem_pwrite_pread.c new file mode 100644 index 00000000..f91fc7c4 --- /dev/null +++ b/tests/i915/gem_pwrite_pread.c @@ -0,0 +1,410 @@ +/* + * 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 + * + */ + +#include "igt.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "drm.h" +#include "intel_bufmgr.h" + +#define OBJECT_SIZE 16384 + +#define COPY_BLT_CMD (2<<29|0x53<<22) +#define BLT_WRITE_ALPHA (1<<21) +#define BLT_WRITE_RGB (1<<20) +#define BLT_SRC_TILED (1<<15) +#define BLT_DST_TILED (1<<11) + +uint32_t is_64bit; +uint32_t exec_flags; + +static inline void build_batch(uint32_t *batch, int len, uint32_t *batch_len) +{ + unsigned int i = 0; + + batch[i++] = COPY_BLT_CMD | BLT_WRITE_ALPHA | BLT_WRITE_RGB | (is_64bit ? 8 : 6); + batch[i++] = 0xcc << 16 | 1 << 25 | 1 << 24 | len; + batch[i++] = 0; + batch[i++] = 1 << 16 | (len / 4); + batch[i++] = 0; /* dst */ + if (is_64bit) + batch[i++] = 0; + batch[i++] = 0; + batch[i++] = len; + batch[i++] = 0; /* src */ + if (is_64bit) + batch[i++] = 0; + batch[i++] = MI_BATCH_BUFFER_END; + batch[i++] = 0; + + *batch_len = i * 4; +} + +#define BUILD_EXEC \ + uint32_t batch[12]; \ + struct drm_i915_gem_relocation_entry reloc[] = { \ + { dst, 0, 4*sizeof(uint32_t), 0, I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER }, \ + { src, 0, (is_64bit ? 8 : 7)*sizeof(uint32_t), 0, I915_GEM_DOMAIN_RENDER, 0 }, \ + }; \ + struct drm_i915_gem_exec_object2 exec[] = { \ + { src }, \ + { dst }, \ + { gem_create(fd, 4096), 2, to_user_pointer(reloc) } \ + }; \ + struct drm_i915_gem_execbuffer2 execbuf = { \ + to_user_pointer(exec), 3, \ + 0, 0, \ + 0, 0, 0, 0, \ + exec_flags, \ + }; \ + build_batch(batch, len, &execbuf.batch_len); \ + gem_write(fd, exec[2].handle, 0, batch, execbuf.batch_len); + + +static void copy(int fd, uint32_t src, uint32_t dst, void *buf, int len, int loops) +{ + BUILD_EXEC; + + while (loops--) { + gem_write(fd, src, 0, buf, len); + gem_execbuf(fd, &execbuf); + gem_read(fd, dst, 0, buf, len); + } + + gem_close(fd, exec[2].handle); +} + +static void as_gtt_mmap(int fd, uint32_t src, uint32_t dst, void *buf, int len, int loops) +{ + uint32_t *src_ptr, *dst_ptr; + BUILD_EXEC; + + src_ptr = gem_mmap__gtt(fd, src, OBJECT_SIZE, PROT_WRITE); + dst_ptr = gem_mmap__gtt(fd, dst, OBJECT_SIZE, PROT_READ); + + while (loops--) { + gem_set_domain(fd, src, + I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); + memcpy(src_ptr, buf, len); + + gem_execbuf(fd, &execbuf); + gem_set_domain(fd, dst, + I915_GEM_DOMAIN_GTT, 0); + memcpy(buf, dst_ptr, len); + } + + munmap(dst_ptr, len); + munmap(src_ptr, len); + gem_close(fd, exec[2].handle); +} + + +static void as_cpu_mmap(int fd, uint32_t src, uint32_t dst, void *buf, int len, int loops) +{ + uint32_t *src_ptr, *dst_ptr; + BUILD_EXEC; + + src_ptr = gem_mmap__cpu(fd, src, 0, OBJECT_SIZE, PROT_WRITE); + dst_ptr = gem_mmap__cpu(fd, dst, 0, OBJECT_SIZE, PROT_READ); + + while (loops--) { + gem_set_domain(fd, src, + I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU); + memcpy(src_ptr, buf, len); + + gem_execbuf(fd, &execbuf); + gem_set_domain(fd, dst, + I915_GEM_DOMAIN_CPU, 0); + memcpy(buf, dst_ptr, len); + } + + munmap(dst_ptr, len); + munmap(src_ptr, len); + gem_close(fd, exec[2].handle); +} + +static void test_copy(int fd, uint32_t src, uint32_t dst, uint32_t *buf, int len) +{ + int i; + BUILD_EXEC; + + for (i = 0; i < len/4; i++) + buf[i] = i; + + gem_write(fd, src, 0, buf, len); + memset(buf, 0, len); + + gem_execbuf(fd, &execbuf); + gem_read(fd, dst, 0, buf, len); + + gem_close(fd, exec[2].handle); + + for (i = 0; i < len/4; i++) + igt_assert(buf[i] == i); +} + +static void test_as_gtt_mmap(int fd, uint32_t src, uint32_t dst, int len) +{ + uint32_t *src_ptr, *dst_ptr; + int i; + BUILD_EXEC; + + src_ptr = gem_mmap__gtt(fd, src, OBJECT_SIZE, PROT_WRITE); + dst_ptr = gem_mmap__gtt(fd, dst, OBJECT_SIZE, PROT_READ); + + gem_set_domain(fd, src, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); + for (i = 0; i < len/4; i++) + src_ptr[i] = i; + + gem_execbuf(fd, &execbuf); + gem_close(fd, exec[2].handle); + + gem_set_domain(fd, dst, I915_GEM_DOMAIN_GTT, 0); + for (i = 0; i < len/4; i++) + igt_assert(dst_ptr[i] == i); + + munmap(dst_ptr, len); + munmap(src_ptr, len); +} + +static void test_as_cpu_mmap(int fd, uint32_t src, uint32_t dst, int len) +{ + uint32_t *src_ptr, *dst_ptr; + int i; + BUILD_EXEC; + + src_ptr = gem_mmap__cpu(fd, src, 0, OBJECT_SIZE, PROT_WRITE); + dst_ptr = gem_mmap__cpu(fd, dst, 0, OBJECT_SIZE, PROT_READ); + + gem_set_domain(fd, src, I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU); + for (i = 0; i < len/4; i++) + src_ptr[i] = i; + + gem_execbuf(fd, &execbuf); + gem_close(fd, exec[2].handle); + + gem_set_domain(fd, dst, I915_GEM_DOMAIN_CPU, 0); + for (i = 0; i < len/4; i++) + igt_assert(dst_ptr[i] == i); + + munmap(dst_ptr, len); + munmap(src_ptr, len); +} + +static double elapsed(const struct timeval *start, + const struct timeval *end, + int loop) +{ + return (1e6*(end->tv_sec - start->tv_sec) + (end->tv_usec - start->tv_usec))/loop; +} + +static const char *bytes_per_sec(char *buf, double v) +{ + const char *order[] = { + "", + "KiB", + "MiB", + "GiB", + "TiB", + NULL, + }, **o = order; + + while (v > 1000 && o[1]) { + v /= 1000; + o++; + } + sprintf(buf, "%.1f%s/s", v, *o); + return buf; +} + +uint32_t *tmp, src, dst; +int fd; + +int main(int argc, char **argv) +{ + int object_size = 0; + uint32_t buf[20]; + int count; + + igt_subtest_init(argc, argv); + igt_skip_on_simulation(); + + if (argc > 1) + object_size = atoi(argv[1]); + if (object_size == 0) + object_size = OBJECT_SIZE; + object_size = (object_size + 3) & -4; + + igt_fixture { + uint32_t devid; + + fd = drm_open_driver(DRIVER_INTEL); + igt_require_gem(fd); + + dst = gem_create(fd, object_size); + src = gem_create(fd, object_size); + tmp = malloc(object_size); + + gem_set_caching(fd, src, 0); + gem_set_caching(fd, dst, 0); + + devid = intel_get_drm_devid(fd); + is_64bit = intel_gen(devid) >= 8; + exec_flags = HAS_BLT_RING(devid) ? I915_EXEC_BLT : 0; + } + + igt_subtest("uncached-copy-correctness") + test_copy(fd, src, dst, tmp, object_size); + igt_subtest("uncached-copy-performance") { + for (count = 1; count <= 1<<17; count <<= 1) { + struct timeval start, end; + + gettimeofday(&start, NULL); + copy(fd, src, dst, tmp, object_size, count); + gettimeofday(&end, NULL); + igt_info("Time to uncached copy %d bytes x %6d: %7.3fµs, %s\n", + object_size, count, + elapsed(&start, &end, count), + bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6)); + fflush(stdout); + } + } + + igt_subtest("uncached-pwrite-blt-gtt_mmap-correctness") + test_as_gtt_mmap(fd, src, dst, object_size); + igt_subtest("uncached-pwrite-blt-gtt_mmap-performance") { + for (count = 1; count <= 1<<17; count <<= 1) { + struct timeval start, end; + + gettimeofday(&start, NULL); + as_gtt_mmap(fd, src, dst, tmp, object_size, count); + gettimeofday(&end, NULL); + igt_info("** mmap uncached copy %d bytes x %6d: %7.3fµs, %s\n", + object_size, count, + elapsed(&start, &end, count), + bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6)); + fflush(stdout); + } + } + + igt_fixture { + gem_set_caching(fd, src, 1); + gem_set_caching(fd, dst, 1); + } + + igt_subtest("snooped-copy-correctness") + test_copy(fd, src, dst, tmp, object_size); + igt_subtest("snooped-copy-performance") { + for (count = 1; count <= 1<<17; count <<= 1) { + struct timeval start, end; + + gettimeofday(&start, NULL); + copy(fd, src, dst, tmp, object_size, count); + gettimeofday(&end, NULL); + igt_info("Time to snooped copy %d bytes x %6d: %7.3fµs, %s\n", + object_size, count, + elapsed(&start, &end, count), + bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6)); + fflush(stdout); + } + } + + igt_subtest("snooped-pwrite-blt-cpu_mmap-correctness") + test_as_cpu_mmap(fd, src, dst, object_size); + igt_subtest("snooped-pwrite-blt-cpu_mmap-performance") { + for (count = 1; count <= 1<<17; count <<= 1) { + struct timeval start, end; + + gettimeofday(&start, NULL); + as_cpu_mmap(fd, src, dst, tmp, object_size, count); + gettimeofday(&end, NULL); + igt_info("** mmap snooped copy %d bytes x %6d: %7.3fµs, %s\n", + object_size, count, + elapsed(&start, &end, count), + bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6)); + fflush(stdout); + } + } + + igt_fixture { + gem_set_caching(fd, src, 2); + gem_set_caching(fd, dst, 2); + } + + igt_subtest("display-copy-correctness") + test_copy(fd, src, dst, tmp, object_size); + igt_subtest("display-copy-performance") { + for (count = 1; count <= 1<<17; count <<= 1) { + struct timeval start, end; + + gettimeofday(&start, NULL); + copy(fd, src, dst, tmp, object_size, count); + gettimeofday(&end, NULL); + igt_info("Time to display copy %d bytes x %6d: %7.3fµs, %s\n", + object_size, count, + elapsed(&start, &end, count), + bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6)); + fflush(stdout); + } + } + + igt_subtest("display-pwrite-blt-gtt_mmap-correctness") + test_as_gtt_mmap(fd, src, dst, object_size); + igt_subtest("display-pwrite-blt-gtt_mmap-performance") { + for (count = 1; count <= 1<<17; count <<= 1) { + struct timeval start, end; + + gettimeofday(&start, NULL); + as_gtt_mmap(fd, src, dst, tmp, object_size, count); + gettimeofday(&end, NULL); + igt_info("** mmap display copy %d bytes x %6d: %7.3fµs, %s\n", + object_size, count, + elapsed(&start, &end, count), + bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6)); + fflush(stdout); + } + } + + igt_fixture { + free(tmp); + gem_close(fd, src); + gem_close(fd, dst); + + close(fd); + } + + igt_exit(); +} -- cgit v1.2.3