Attachment 128752 Details for Bug 99274 – test case

test case

map_gtt_hangcheck.c (text/x-csrc), 3.78 KB, created by Zhipeng Gong on 2017-01-04 13:38:46 UTC

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Creator: Zhipeng Gong

Created: 2017-01-04 13:38:46 UTC

Size: 3.78 KB

patch

obsolete

>/*
> * Copyright (c) 2016 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.
> *
> *
> */
>#include "igt.h"
>#include <stdlib.h>
>#include <string.h>
>#include <time.h>
>#include <fcntl.h>
>#include <unistd.h>
>#include <sys/types.h>
>#include <sys/wait.h>
>#include <limits.h>
>#include <signal.h>
>#include <errno.h>
>#include <sys/stat.h>
>#include <fcntl.h>
>#include <stdarg.h>
>
>#include "intel_bufmgr.h"
>
>static void trace_write(const char *fmt, ...) __attribute__ ((format (gnu_printf, 1, 2)));
>static int trace_fd = 0;
>static void trace_write(const char *fmt, ...)
>{
>	va_list ap;
>	char buf[256];
>	int n;
>	if (trace_fd < 0)
>		return;
>	if (trace_fd == 0)
>	{
>		trace_fd = open("/sys/kernel/debug/tracing/trace_marker", O_WRONLY);
>		if (trace_fd < 0) {
>			printf("###### Fail to open /sys/kernel/debug/tracing/trace_marker ######\n");
>			return;
>		}
>	}
>
>	va_start(ap, fmt);
>	n = vsnprintf(buf, 256, fmt, ap);
>	va_end(ap);
>	write(trace_fd, buf, n);
>}
>
>
>static void
>set_bo(drm_intel_bo *bo, int width, int height)
>{
>	int size, i;
>	uint8_t *vaddr;
>	
>	trace_write(">>>set_bo");
>	vaddr = bo->virtual;
>	for (size = 0; size < width * height; size += 256)
>		for (i = 0; i <= 255; i++)
>			*vaddr++ = i;
>	printf("set_bo: size=%d\n", size);
>	
>	trace_write("<<<set_bo");
>}
>
>static void
>cmp_bo(drm_intel_bo *bo, int width, int height)
>{
>	int size, i;
>	uint8_t *vaddr;
>
>	vaddr = bo->virtual;
>	trace_write(">>>cmp_bo");
>	for (size = 0; size < width * height; size += 256)
>		for (i = 0; i <= 255; i++) {
>			igt_assert_f(*vaddr == i,
>					"%lx: 0x%x differs from assumed 0x%x\n",
>					vaddr - (uint8_t *)bo->virtual, *vaddr, i);
>
>			vaddr++;
>		}
>
>	trace_write("<<<cmp_bo");
>}
>
>static drm_intel_bo *
>create_bo(drm_intel_bufmgr *bufmgr, int width, int height)
>{
>	drm_intel_bo *bo;
>	uint32_t tiling_mode = I915_TILING_Y;
>	unsigned long pitch = width;
>	bo = drm_intel_bo_alloc_tiled(bufmgr, "bo", width, height, 1, &tiling_mode, &pitch, 0);
>	igt_assert(bo);
>
>    trace_write(">>>map_gtt");
>	drm_intel_gem_bo_map_gtt(bo);
>
>	return bo;
>}
>
>static void release_bo(drm_intel_bo *bo)
>{
>	trace_write("<<<unmap_gtt");
>	drm_intel_gem_bo_unmap_gtt(bo);
>	drm_intel_bo_unreference(bo);
>}
>
>static void run_test(void)
>{
>	drm_intel_bufmgr *bufmgr;
>	drm_intel_bo *bo;
>	int width = 8192, height = 8192;
>	int fd;
>	int i;
>
>	fd = drm_open_driver(DRIVER_INTEL);
>
>	gem_quiescent_gpu(fd);
>
>	bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
>	drm_intel_bufmgr_gem_enable_reuse(bufmgr);
>	bo = create_bo(bufmgr, width, height);
>
>	igt_fork(child, 1) {
>		igt_hang_t hang;
>
>		hang = igt_hang_ring(fd, I915_EXEC_DEFAULT);
>		igt_post_hang_ring(fd, hang);
>	}
>
>	for (i = 0; i < 3; i++)
>	{
>		set_bo(bo, width, height);
>		cmp_bo(bo, width, height);
>	}
>	igt_waitchildren();
>
>	release_bo(bo);
>
>	close(fd);
>}
>
>
>int main(int argc, char **argv)
>{
>	run_test();
>	igt_exit();
>}

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Attachments on bug 99274: 128752 | 128753

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