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/*
* Copyright © 2013 Jérôme Glisse
* All Rights Reserved.
*
* 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, sub license, 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 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
* NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
* AND/OR ITS SUPPLIERS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*/
/*
* Authors:
* Jérôme Glisse <jglisse@redhat.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <inttypes.h>
#include <xf86drm.h>
#include "radeon_drm_cs.h"
#include "radeon_drm_bo.h"
#define RADEON_CS_DUMP_AFTER_MS_TIMEOUT 500
void radeon_dump_cs_on_lockup(struct radeon_drm_cs *cs, struct radeon_cs_context *csc)
{
struct drm_radeon_gem_busy args;
FILE *dump;
unsigned i, lockup;
uint32_t *ptr;
char fname[32];
/* only dump the first cs to cause a lockup */
if (!csc->crelocs) {
/* can not determine if there was a lockup if no bo were use by
* the cs and most likely in such case no lockup occurs
*/
return;
}
memset(&args, 0, sizeof(args));
args.handle = csc->relocs_bo[0]->handle;
for (i = 0; i < RADEON_CS_DUMP_AFTER_MS_TIMEOUT; i++) {
usleep(1);
lockup = drmCommandWriteRead(csc->fd, DRM_RADEON_GEM_BUSY, &args, sizeof(args));
if (!lockup) {
break;
}
}
if (!lockup || i < RADEON_CS_DUMP_AFTER_MS_TIMEOUT) {
return;
}
ptr = radeon_bo_do_map(cs->trace_buf);
fprintf(stderr, "timeout on cs lockup likely happen at cs 0x%08x dw 0x%08x\n", ptr[1], ptr[0]);
if (csc->cs_trace_id != ptr[1]) {
return;
}
/* ok we are most likely facing a lockup write the standalone replay file */
snprintf(fname, sizeof(fname), "rlockup_0x%08x.c", csc->cs_trace_id);
dump = fopen(fname, "w");
if (dump == NULL) {
return;
}
fprintf(dump, "/* To build this file you will need to copy radeon_ctx.h\n");
fprintf(dump, " * in same directory. You can find radeon_ctx.h in mesa tree :\n");
fprintf(dump, " * mesa/src/gallium/winsys/radeon/drm/radeon_ctx.h\n");
fprintf(dump, " * Build with :\n");
fprintf(dump, " * gcc -O0 -g `pkg-config --cflags --libs libdrm` %s -o rlockup_0x%08x \n", fname, csc->cs_trace_id);
fprintf(dump, " */\n");
fprintf(dump, " /* timeout on cs lockup likely happen at cs 0x%08x dw 0x%08x*/\n", ptr[1], ptr[0]);
fprintf(dump, "#include <stdio.h>\n");
fprintf(dump, "#include <stdint.h>\n");
fprintf(dump, "#include \"radeon_ctx.h\"\n");
fprintf(dump, "\n");
fprintf(dump, "#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))\n");
fprintf(dump, "\n");
for (i = 0; i < csc->crelocs; i++) {
unsigned j, ndw = (csc->relocs_bo[i]->base.size + 3) >> 2;
ptr = radeon_bo_do_map(csc->relocs_bo[i]);
if (ptr) {
fprintf(dump, "static uint32_t bo_%04d_data[%d] = {\n ", i, ndw);
for (j = 0; j < ndw; j++) {
if (j && !(j % 8)) {
uint32_t offset = (j - 8) << 2;
fprintf(dump, " /* [0x%08x] va[0x%016"PRIx64"] */\n ", offset, offset + csc->relocs_bo[i]->va);
}
fprintf(dump, " 0x%08x,", ptr[j]);
}
fprintf(dump, "};\n\n");
}
}
fprintf(dump, "static uint32_t bo_relocs[%d] = {\n", csc->crelocs * 4);
for (i = 0; i < csc->crelocs; i++) {
fprintf(dump, " 0x%08x, 0x%08x, 0x%08x, 0x%08x,\n",
0, csc->relocs[i].read_domains, csc->relocs[i].write_domain, csc->relocs[i].flags);
}
fprintf(dump, "};\n\n");
fprintf(dump, "/* cs %d dw */\n", csc->chunks[0].length_dw);
fprintf(dump, "static uint32_t cs[] = {\n");
ptr = csc->buf;
for (i = 0; i < csc->chunks[0].length_dw; i++) {
fprintf(dump, " 0x%08x,\n", ptr[i]);
}
fprintf(dump, "};\n\n");
fprintf(dump, "static uint32_t cs_flags[2] = {\n");
fprintf(dump, " 0x%08x,\n", csc->flags[0]);
fprintf(dump, " 0x%08x,\n", csc->flags[1]);
fprintf(dump, "};\n\n");
fprintf(dump, "int main(int argc, char *argv[])\n");
fprintf(dump, "{\n");
fprintf(dump, " struct bo *bo[%d];\n", csc->crelocs);
fprintf(dump, " struct ctx ctx;\n");
fprintf(dump, "\n");
fprintf(dump, " ctx_init(&ctx);\n");
fprintf(dump, "\n");
for (i = 0; i < csc->crelocs; i++) {
unsigned ndw = (csc->relocs_bo[i]->base.size + 3) >> 2;
uint32_t *ptr;
ptr = radeon_bo_do_map(csc->relocs_bo[i]);
if (ptr) {
fprintf(dump, " bo[%d] = bo_new(&ctx, %d, bo_%04d_data, 0x%016"PRIx64", 0x%08x);\n",
i, ndw, i, csc->relocs_bo[i]->va, csc->relocs_bo[i]->base.alignment);
} else {
fprintf(dump, " bo[%d] = bo_new(&ctx, %d, NULL, 0x%016"PRIx64", 0x%08x);\n",
i, ndw, csc->relocs_bo[i]->va, csc->relocs_bo[i]->base.alignment);
}
}
fprintf(dump, "\n");
fprintf(dump, " ctx_cs(&ctx, cs, cs_flags, ARRAY_SIZE(cs), bo, bo_relocs, %d);\n", csc->crelocs);
fprintf(dump, "\n");
fprintf(dump, " fprintf(stderr, \"waiting for cs execution to end ....\\n\");\n");
fprintf(dump, " bo_wait(&ctx, bo[0]);\n");
fprintf(dump, "}\n");
fclose(dump);
}
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