src/gallium/drivers/radeonsi/si_debug.c

   1 /*
   2  * Copyright 2015 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *      Marek Olšák <maraeo@gmail.com>
  25  */
  26
  27 #include "si_pipe.h"
  28 #include "si_shader.h"
  29 #include "sid.h"
  30 #include "sid_tables.h"
  31 #include "ddebug/dd_util.h"
  32
  33
  34 static void si_dump_shader(struct si_shader_ctx_state *state, const char *name,
  35                            FILE *f)
  36 {
  37         if (!state->cso || !state->current)
  38                 return;
  39
  40         fprintf(f, "%s shader disassembly:\n", name);
  41         si_dump_shader_key(state->cso->type, &state->current->key, f);
  42         fprintf(f, "%s\n\n", state->current->binary.disasm_string);
  43 }
  44
  45 /* Parsed IBs are difficult to read without colors. Use "less -R file" to
  46  * read them, or use "aha -b -f file" to convert them to html.
  47  */
  48 #define COLOR_RESET     "\033[0m"
  49 #define COLOR_RED       "\033[31m"
  50 #define COLOR_GREEN     "\033[1;32m"
  51 #define COLOR_YELLOW    "\033[1;33m"
  52 #define COLOR_CYAN      "\033[1;36m"
  53
  54 #define INDENT_PKT 8
  55
  56 static void print_spaces(FILE *f, unsigned num)
  57 {
  58         fprintf(f, "%*s", num, "");
  59 }
  60
  61 static void print_value(FILE *file, uint32_t value, int bits)
  62 {
  63         /* Guess if it's int or float */
  64         if (value <= (1 << 15))
  65                 fprintf(file, "%u\n", value);
  66         else {
  67                 float f = uif(value);
  68
  69                 if (fabs(f) < 100000 && f*10 == floor(f*10))
  70                         fprintf(file, "%.1ff\n", f);
  71                 else
  72                         /* Don't print more leading zeros than there are bits. */
  73                         fprintf(file, "0x%0*x\n", bits / 4, value);
  74         }
  75 }
  76
  77 static void print_named_value(FILE *file, const char *name, uint32_t value,
  78                               int bits)
  79 {
  80         print_spaces(file, INDENT_PKT);
  81         fprintf(file, COLOR_YELLOW "%s" COLOR_RESET " <- ", name);
  82         print_value(file, value, bits);
  83 }
  84
  85 static void si_dump_reg(FILE *file, unsigned offset, uint32_t value,
  86                         uint32_t field_mask)
  87 {
  88         int r, f;
  89
  90         for (r = 0; r < ARRAY_SIZE(reg_table); r++) {
  91                 const struct si_reg *reg = &reg_table[r];
  92
  93                 if (reg->offset == offset) {
  94                         bool first_field = true;
  95
  96                         print_spaces(file, INDENT_PKT);
  97                         fprintf(file, COLOR_YELLOW "%s" COLOR_RESET " <- ",
  98                                 reg->name);
  99
 100                         if (!reg->num_fields) {
 101                                 print_value(file, value, 32);
 102                                 return;
 103                         }
 104
 105                         for (f = 0; f < reg->num_fields; f++) {
 106                                 const struct si_field *field = &reg->fields[f];
 107                                 uint32_t val = (value & field->mask) >>
 108                                                (ffs(field->mask) - 1);
 109
 110                                 if (!(field->mask & field_mask))
 111                                         continue;
 112
 113                                 /* Indent the field. */
 114                                 if (!first_field)
 115                                         print_spaces(file,
 116                                                      INDENT_PKT + strlen(reg->name) + 4);
 117
 118                                 /* Print the field. */
 119                                 fprintf(file, "%s = ", field->name);
 120
 121                                 if (val < field->num_values && field->values[val])
 122                                         fprintf(file, "%s\n", field->values[val]);
 123                                 else
 124                                         print_value(file, val,
 125                                                     util_bitcount(field->mask));
 126
 127                                 first_field = false;
 128                         }
 129                         return;
 130                 }
 131         }
 132
 133         fprintf(file, COLOR_YELLOW "0x%05x" COLOR_RESET " = 0x%08x", offset, value);
 134 }
 135
 136 static void si_parse_set_reg_packet(FILE *f, uint32_t *ib, unsigned count,
 137                                     unsigned reg_offset)
 138 {
 139         unsigned reg = (ib[1] << 2) + reg_offset;
 140         int i;
 141
 142         for (i = 0; i < count; i++)
 143                 si_dump_reg(f, reg + i*4, ib[2+i], ~0);
 144 }
 145
 146 static uint32_t *si_parse_packet3(FILE *f, uint32_t *ib, int *num_dw,
 147                                   int trace_id)
 148 {
 149         unsigned count = PKT_COUNT_G(ib[0]);
 150         unsigned op = PKT3_IT_OPCODE_G(ib[0]);
 151         const char *predicate = PKT3_PREDICATE(ib[0]) ? "(predicate)" : "";
 152         int i;
 153
 154         /* Print the name first. */
 155         for (i = 0; i < ARRAY_SIZE(packet3_table); i++)
 156                 if (packet3_table[i].op == op)
 157                         break;
 158
 159         if (i < ARRAY_SIZE(packet3_table))
 160                 if (op == PKT3_SET_CONTEXT_REG ||
 161                     op == PKT3_SET_CONFIG_REG ||
 162                     op == PKT3_SET_UCONFIG_REG ||
 163                     op == PKT3_SET_SH_REG)
 164                         fprintf(f, COLOR_CYAN "%s%s" COLOR_CYAN ":\n",
 165                                 packet3_table[i].name, predicate);
 166                 else
 167                         fprintf(f, COLOR_GREEN "%s%s" COLOR_RESET ":\n",
 168                                 packet3_table[i].name, predicate);
 169         else
 170                 fprintf(f, COLOR_RED "PKT3_UNKNOWN 0x%x%s" COLOR_RESET ":\n",
 171                         op, predicate);
 172
 173         /* Print the contents. */
 174         switch (op) {
 175         case PKT3_SET_CONTEXT_REG:
 176                 si_parse_set_reg_packet(f, ib, count, SI_CONTEXT_REG_OFFSET);
 177                 break;
 178         case PKT3_SET_CONFIG_REG:
 179                 si_parse_set_reg_packet(f, ib, count, SI_CONFIG_REG_OFFSET);
 180                 break;
 181         case PKT3_SET_UCONFIG_REG:
 182                 si_parse_set_reg_packet(f, ib, count, CIK_UCONFIG_REG_OFFSET);
 183                 break;
 184         case PKT3_SET_SH_REG:
 185                 si_parse_set_reg_packet(f, ib, count, SI_SH_REG_OFFSET);
 186                 break;
 187         case PKT3_DRAW_PREAMBLE:
 188                 si_dump_reg(f, R_030908_VGT_PRIMITIVE_TYPE, ib[1], ~0);
 189                 si_dump_reg(f, R_028AA8_IA_MULTI_VGT_PARAM, ib[2], ~0);
 190                 si_dump_reg(f, R_028B58_VGT_LS_HS_CONFIG, ib[3], ~0);
 191                 break;
 192         case PKT3_ACQUIRE_MEM:
 193                 si_dump_reg(f, R_0301F0_CP_COHER_CNTL, ib[1], ~0);
 194                 si_dump_reg(f, R_0301F4_CP_COHER_SIZE, ib[2], ~0);
 195                 si_dump_reg(f, R_030230_CP_COHER_SIZE_HI, ib[3], ~0);
 196                 si_dump_reg(f, R_0301F8_CP_COHER_BASE, ib[4], ~0);
 197                 si_dump_reg(f, R_0301E4_CP_COHER_BASE_HI, ib[5], ~0);
 198                 print_named_value(f, "POLL_INTERVAL", ib[6], 16);
 199                 break;
 200         case PKT3_SURFACE_SYNC:
 201                 si_dump_reg(f, R_0085F0_CP_COHER_CNTL, ib[1], ~0);
 202                 si_dump_reg(f, R_0085F4_CP_COHER_SIZE, ib[2], ~0);
 203                 si_dump_reg(f, R_0085F8_CP_COHER_BASE, ib[3], ~0);
 204                 print_named_value(f, "POLL_INTERVAL", ib[4], 16);
 205                 break;
 206         case PKT3_EVENT_WRITE:
 207                 si_dump_reg(f, R_028A90_VGT_EVENT_INITIATOR, ib[1],
 208                             S_028A90_EVENT_TYPE(~0));
 209                 print_named_value(f, "EVENT_INDEX", (ib[1] >> 8) & 0xf, 4);
 210                 print_named_value(f, "INV_L2", (ib[1] >> 20) & 0x1, 1);
 211                 if (count > 0) {
 212                         print_named_value(f, "ADDRESS_LO", ib[2], 32);
 213                         print_named_value(f, "ADDRESS_HI", ib[3], 16);
 214                 }
 215                 break;
 216         case PKT3_DRAW_INDEX_AUTO:
 217                 si_dump_reg(f, R_030930_VGT_NUM_INDICES, ib[1], ~0);
 218                 si_dump_reg(f, R_0287F0_VGT_DRAW_INITIATOR, ib[2], ~0);
 219                 break;
 220         case PKT3_DRAW_INDEX_2:
 221                 si_dump_reg(f, R_028A78_VGT_DMA_MAX_SIZE, ib[1], ~0);
 222                 si_dump_reg(f, R_0287E8_VGT_DMA_BASE, ib[2], ~0);
 223                 si_dump_reg(f, R_0287E4_VGT_DMA_BASE_HI, ib[3], ~0);
 224                 si_dump_reg(f, R_030930_VGT_NUM_INDICES, ib[4], ~0);
 225                 si_dump_reg(f, R_0287F0_VGT_DRAW_INITIATOR, ib[5], ~0);
 226                 break;
 227         case PKT3_INDEX_TYPE:
 228                 si_dump_reg(f, R_028A7C_VGT_DMA_INDEX_TYPE, ib[1], ~0);
 229                 break;
 230         case PKT3_NUM_INSTANCES:
 231                 si_dump_reg(f, R_030934_VGT_NUM_INSTANCES, ib[1], ~0);
 232                 break;
 233         case PKT3_WRITE_DATA:
 234                 si_dump_reg(f, R_370_CONTROL, ib[1], ~0);
 235                 si_dump_reg(f, R_371_DST_ADDR_LO, ib[2], ~0);
 236                 si_dump_reg(f, R_372_DST_ADDR_HI, ib[3], ~0);
 237                 for (i = 2; i < count; i++) {
 238                         print_spaces(f, INDENT_PKT);
 239                         fprintf(f, "0x%08x\n", ib[2+i]);
 240                 }
 241                 break;
 242         case PKT3_CP_DMA:
 243                 si_dump_reg(f, R_410_CP_DMA_WORD0, ib[1], ~0);
 244                 si_dump_reg(f, R_411_CP_DMA_WORD1, ib[2], ~0);
 245                 si_dump_reg(f, R_412_CP_DMA_WORD2, ib[3], ~0);
 246                 si_dump_reg(f, R_413_CP_DMA_WORD3, ib[4], ~0);
 247                 si_dump_reg(f, R_414_COMMAND, ib[5], ~0);
 248                 break;
 249         case PKT3_DMA_DATA:
 250                 si_dump_reg(f, R_500_DMA_DATA_WORD0, ib[1], ~0);
 251                 si_dump_reg(f, R_501_SRC_ADDR_LO, ib[2], ~0);
 252                 si_dump_reg(f, R_502_SRC_ADDR_HI, ib[3], ~0);
 253                 si_dump_reg(f, R_503_DST_ADDR_LO, ib[4], ~0);
 254                 si_dump_reg(f, R_504_DST_ADDR_HI, ib[5], ~0);
 255                 si_dump_reg(f, R_414_COMMAND, ib[6], ~0);
 256                 break;
 257         case PKT3_NOP:
 258                 if (ib[0] == 0xffff1000) {
 259                         count = -1; /* One dword NOP. */
 260                         break;
 261                 } else if (count == 0 && SI_IS_TRACE_POINT(ib[1])) {
 262                         unsigned packet_id = SI_GET_TRACE_POINT_ID(ib[1]);
 263
 264                         print_spaces(f, INDENT_PKT);
 265                         fprintf(f, COLOR_RED "Trace point ID: %u\n", packet_id);
 266
 267                         if (trace_id == -1)
 268                                 break; /* tracing was disabled */
 269
 270                         print_spaces(f, INDENT_PKT);
 271                         if (packet_id < trace_id)
 272                                 fprintf(f, COLOR_RED
 273                                         "This trace point was reached by the CP."
 274                                         COLOR_RESET "\n");
 275                         else if (packet_id == trace_id)
 276                                 fprintf(f, COLOR_RED
 277                                         "!!!!! This is the last trace point that "
 278                                         "was reached by the CP !!!!!"
 279                                         COLOR_RESET "\n");
 280                         else if (packet_id+1 == trace_id)
 281                                 fprintf(f, COLOR_RED
 282                                         "!!!!! This is the first trace point that "
 283                                         "was NOT been reached by the CP !!!!!"
 284                                         COLOR_RESET "\n");
 285                         else
 286                                 fprintf(f, COLOR_RED
 287                                         "!!!!! This trace point was NOT reached "
 288                                         "by the CP !!!!!"
 289                                         COLOR_RESET "\n");
 290                         break;
 291                 }
 292                 /* fall through, print all dwords */
 293         default:
 294                 for (i = 0; i < count+1; i++) {
 295                         print_spaces(f, INDENT_PKT);
 296                         fprintf(f, "0x%08x\n", ib[1+i]);
 297                 }
 298         }
 299
 300         ib += count + 2;
 301         *num_dw -= count + 2;
 302         return ib;
 303 }
 304
 305 /**
 306  * Parse and print an IB into a file.
 307  *
 308  * \param f             file
 309  * \param ib            IB
 310  * \param num_dw        size of the IB
 311  * \param chip_class    chip class
 312  * \param trace_id      the last trace ID that is known to have been reached
 313  *                      and executed by the CP, typically read from a buffer
 314  */
 315 static void si_parse_ib(FILE *f, uint32_t *ib, int num_dw, int trace_id,
 316                         const char *name)
 317 {
 318         fprintf(f, "------------------ %s begin ------------------\n", name);
 319
 320         while (num_dw > 0) {
 321                 unsigned type = PKT_TYPE_G(ib[0]);
 322
 323                 switch (type) {
 324                 case 3:
 325                         ib = si_parse_packet3(f, ib, &num_dw, trace_id);
 326                         break;
 327                 case 2:
 328                         /* type-2 nop */
 329                         if (ib[0] == 0x80000000) {
 330                                 fprintf(f, COLOR_GREEN "NOP (type 2)" COLOR_RESET "\n");
 331                                 ib++;
 332                                 break;
 333                         }
 334                         /* fall through */
 335                 default:
 336                         fprintf(f, "Unknown packet type %i\n", type);
 337                         return;
 338                 }
 339         }
 340
 341         fprintf(f, "------------------- %s end -------------------\n", name);
 342         if (num_dw < 0) {
 343                 printf("Packet ends after the end of IB.\n");
 344                 exit(0);
 345         }
 346         fprintf(f, "\n");
 347 }
 348
 349 static void si_dump_mmapped_reg(struct si_context *sctx, FILE *f,
 350                                 unsigned offset)
 351 {
 352         struct radeon_winsys *ws = sctx->b.ws;
 353         uint32_t value;
 354
 355         if (ws->read_registers(ws, offset, 1, &value))
 356                 si_dump_reg(f, offset, value, ~0);
 357 }
 358
 359 static void si_dump_debug_registers(struct si_context *sctx, FILE *f)
 360 {
 361         if (sctx->screen->b.info.drm_major == 2 &&
 362             sctx->screen->b.info.drm_minor < 42)
 363                 return; /* no radeon support */
 364
 365         fprintf(f, "Memory-mapped registers:\n");
 366         si_dump_mmapped_reg(sctx, f, R_008010_GRBM_STATUS);
 367
 368         /* No other registers can be read on DRM < 3.1.0. */
 369         if (sctx->screen->b.info.drm_major < 3 ||
 370             sctx->screen->b.info.drm_minor < 1) {
 371                 fprintf(f, "\n");
 372                 return;
 373         }
 374
 375         si_dump_mmapped_reg(sctx, f, R_008008_GRBM_STATUS2);
 376         si_dump_mmapped_reg(sctx, f, R_008014_GRBM_STATUS_SE0);
 377         si_dump_mmapped_reg(sctx, f, R_008018_GRBM_STATUS_SE1);
 378         si_dump_mmapped_reg(sctx, f, R_008038_GRBM_STATUS_SE2);
 379         si_dump_mmapped_reg(sctx, f, R_00803C_GRBM_STATUS_SE3);
 380         si_dump_mmapped_reg(sctx, f, R_00D034_SDMA0_STATUS_REG);
 381         si_dump_mmapped_reg(sctx, f, R_00D834_SDMA1_STATUS_REG);
 382         si_dump_mmapped_reg(sctx, f, R_000E50_SRBM_STATUS);
 383         si_dump_mmapped_reg(sctx, f, R_000E4C_SRBM_STATUS2);
 384         si_dump_mmapped_reg(sctx, f, R_000E54_SRBM_STATUS3);
 385         si_dump_mmapped_reg(sctx, f, R_008680_CP_STAT);
 386         si_dump_mmapped_reg(sctx, f, R_008674_CP_STALLED_STAT1);
 387         si_dump_mmapped_reg(sctx, f, R_008678_CP_STALLED_STAT2);
 388         si_dump_mmapped_reg(sctx, f, R_008670_CP_STALLED_STAT3);
 389         si_dump_mmapped_reg(sctx, f, R_008210_CP_CPC_STATUS);
 390         si_dump_mmapped_reg(sctx, f, R_008214_CP_CPC_BUSY_STAT);
 391         si_dump_mmapped_reg(sctx, f, R_008218_CP_CPC_STALLED_STAT1);
 392         si_dump_mmapped_reg(sctx, f, R_00821C_CP_CPF_STATUS);
 393         si_dump_mmapped_reg(sctx, f, R_008220_CP_CPF_BUSY_STAT);
 394         si_dump_mmapped_reg(sctx, f, R_008224_CP_CPF_STALLED_STAT1);
 395         fprintf(f, "\n");
 396 }
 397
 398 static void si_dump_last_ib(struct si_context *sctx, FILE *f)
 399 {
 400         int last_trace_id = -1;
 401
 402         if (!sctx->last_ib)
 403                 return;
 404
 405         if (sctx->last_trace_buf) {
 406                 /* We are expecting that the ddebug pipe has already
 407                  * waited for the context, so this buffer should be idle.
 408                  * If the GPU is hung, there is no point in waiting for it.
 409                  */
 410                 uint32_t *map = sctx->b.ws->buffer_map(sctx->last_trace_buf->cs_buf,
 411                                                        NULL,
 412                                                        PIPE_TRANSFER_UNSYNCHRONIZED |
 413                                                        PIPE_TRANSFER_READ);
 414                 if (map)
 415                         last_trace_id = *map;
 416         }
 417
 418         if (sctx->init_config)
 419                 si_parse_ib(f, sctx->init_config->pm4, sctx->init_config->ndw,
 420                             -1, "IB2: Init config");
 421
 422         if (sctx->init_config_gs_rings)
 423                 si_parse_ib(f, sctx->init_config_gs_rings->pm4,
 424                             sctx->init_config_gs_rings->ndw,
 425                             -1, "IB2: Init GS rings");
 426
 427         si_parse_ib(f, sctx->last_ib, sctx->last_ib_dw_size,
 428                     last_trace_id, "IB");
 429         free(sctx->last_ib); /* dump only once */
 430         sctx->last_ib = NULL;
 431         r600_resource_reference(&sctx->last_trace_buf, NULL);
 432 }
 433
 434 static const char *priority_to_string(enum radeon_bo_priority priority)
 435 {
 436 #define ITEM(x) [RADEON_PRIO_##x] = #x
 437         static const char *table[64] = {
 438                 ITEM(FENCE),
 439                 ITEM(TRACE),
 440                 ITEM(SO_FILLED_SIZE),
 441                 ITEM(QUERY),
 442                 ITEM(IB1),
 443                 ITEM(IB2),
 444                 ITEM(DRAW_INDIRECT),
 445                 ITEM(INDEX_BUFFER),
 446                 ITEM(CP_DMA),
 447                 ITEM(VCE),
 448                 ITEM(UVD),
 449                 ITEM(SDMA_BUFFER),
 450                 ITEM(SDMA_TEXTURE),
 451                 ITEM(USER_SHADER),
 452                 ITEM(INTERNAL_SHADER),
 453                 ITEM(CONST_BUFFER),
 454                 ITEM(DESCRIPTORS),
 455                 ITEM(BORDER_COLORS),
 456                 ITEM(SAMPLER_BUFFER),
 457                 ITEM(VERTEX_BUFFER),
 458                 ITEM(SHADER_RW_BUFFER),
 459                 ITEM(RINGS_STREAMOUT),
 460                 ITEM(SCRATCH_BUFFER),
 461                 ITEM(COMPUTE_GLOBAL),
 462                 ITEM(SAMPLER_TEXTURE),
 463                 ITEM(SHADER_RW_IMAGE),
 464                 ITEM(SAMPLER_TEXTURE_MSAA),
 465                 ITEM(COLOR_BUFFER),
 466                 ITEM(DEPTH_BUFFER),
 467                 ITEM(COLOR_BUFFER_MSAA),
 468                 ITEM(DEPTH_BUFFER_MSAA),
 469                 ITEM(CMASK),
 470                 ITEM(DCC),
 471                 ITEM(HTILE),
 472         };
 473 #undef ITEM
 474
 475         assert(priority < ARRAY_SIZE(table));
 476         return table[priority];
 477 }
 478
 479 static int bo_list_compare_va(const struct radeon_bo_list_item *a,
 480                                    const struct radeon_bo_list_item *b)
 481 {
 482         return a->vm_address < b->vm_address ? -1 :
 483                a->vm_address > b->vm_address ? 1 : 0;
 484 }
 485
 486 static void si_dump_last_bo_list(struct si_context *sctx, FILE *f)
 487 {
 488         unsigned i,j;
 489
 490         if (!sctx->last_bo_list)
 491                 return;
 492
 493         /* Sort the list according to VM adddresses first. */
 494         qsort(sctx->last_bo_list, sctx->last_bo_count,
 495               sizeof(sctx->last_bo_list[0]), (void*)bo_list_compare_va);
 496
 497         fprintf(f, "Buffer list (in units of pages = 4kB):\n"
 498                 COLOR_YELLOW "        Size    VM start page         "
 499                 "VM end page           Usage" COLOR_RESET "\n");
 500
 501         for (i = 0; i < sctx->last_bo_count; i++) {
 502                 /* Note: Buffer sizes are expected to be aligned to 4k by the winsys. */
 503                 const unsigned page_size = 4096;
 504                 uint64_t va = sctx->last_bo_list[i].vm_address;
 505                 uint64_t size = sctx->last_bo_list[i].buf->size;
 506                 bool hit = false;
 507
 508                 /* If there's unused virtual memory between 2 buffers, print it. */
 509                 if (i) {
 510                         uint64_t previous_va_end = sctx->last_bo_list[i-1].vm_address +
 511                                                    sctx->last_bo_list[i-1].buf->size;
 512
 513                         if (va > previous_va_end) {
 514                                 fprintf(f, "  %10"PRIu64"    -- hole --\n",
 515                                         (va - previous_va_end) / page_size);
 516                         }
 517                 }
 518
 519                 /* Print the buffer. */
 520                 fprintf(f, "  %10"PRIu64"    0x%013"PRIx64"       0x%013"PRIx64"       ",
 521                         size / page_size, va / page_size, (va + size) / page_size);
 522
 523                 /* Print the usage. */
 524                 for (j = 0; j < 64; j++) {
 525                         if (!(sctx->last_bo_list[i].priority_usage & (1llu << j)))
 526                                 continue;
 527
 528                         fprintf(f, "%s%s", !hit ? "" : ", ", priority_to_string(j));
 529                         hit = true;
 530                 }
 531                 fprintf(f, "\n");
 532         }
 533         fprintf(f, "\nNote: The holes represent memory not used by the IB.\n"
 534                    "      Other buffers can still be allocated there.\n\n");
 535
 536         for (i = 0; i < sctx->last_bo_count; i++)
 537                 pb_reference(&sctx->last_bo_list[i].buf, NULL);
 538         free(sctx->last_bo_list);
 539         sctx->last_bo_list = NULL;
 540 }
 541
 542 static void si_dump_framebuffer(struct si_context *sctx, FILE *f)
 543 {
 544         struct pipe_framebuffer_state *state = &sctx->framebuffer.state;
 545         struct r600_texture *rtex;
 546         int i;
 547
 548         for (i = 0; i < state->nr_cbufs; i++) {
 549                 if (!state->cbufs[i])
 550                         continue;
 551
 552                 rtex = (struct r600_texture*)state->cbufs[i]->texture;
 553                 fprintf(f, COLOR_YELLOW "Color buffer %i:" COLOR_RESET "\n", i);
 554                 r600_print_texture_info(rtex, f);
 555                 fprintf(f, "\n");
 556         }
 557
 558         if (state->zsbuf) {
 559                 rtex = (struct r600_texture*)state->zsbuf->texture;
 560                 fprintf(f, COLOR_YELLOW "Depth-stencil buffer:" COLOR_RESET "\n");
 561                 r600_print_texture_info(rtex, f);
 562                 fprintf(f, "\n");
 563         }
 564 }
 565
 566 static void si_dump_debug_state(struct pipe_context *ctx, FILE *f,
 567                                 unsigned flags)
 568 {
 569         struct si_context *sctx = (struct si_context*)ctx;
 570
 571         if (flags & PIPE_DEBUG_DEVICE_IS_HUNG)
 572                 si_dump_debug_registers(sctx, f);
 573
 574         si_dump_framebuffer(sctx, f);
 575         si_dump_shader(&sctx->vs_shader, "Vertex", f);
 576         si_dump_shader(&sctx->tcs_shader, "Tessellation control", f);
 577         si_dump_shader(&sctx->tes_shader, "Tessellation evaluation", f);
 578         si_dump_shader(&sctx->gs_shader, "Geometry", f);
 579         si_dump_shader(&sctx->ps_shader, "Fragment", f);
 580
 581         si_dump_last_bo_list(sctx, f);
 582         si_dump_last_ib(sctx, f);
 583
 584         fprintf(f, "Done.\n");
 585 }
 586
 587 static bool si_vm_fault_occured(struct si_context *sctx, uint32_t *out_addr)
 588 {
 589         char line[2000];
 590         unsigned sec, usec;
 591         int progress = 0;
 592         uint64_t timestamp = 0;
 593         bool fault = false;
 594
 595         FILE *p = popen("dmesg", "r");
 596         if (!p)
 597                 return false;
 598
 599         while (fgets(line, sizeof(line), p)) {
 600                 char *msg, len;
 601
 602                 /* Get the timestamp. */
 603                 if (sscanf(line, "[%u.%u]", &sec, &usec) != 2) {
 604                         assert(0);
 605                         continue;
 606                 }
 607                 timestamp = sec * 1000000llu + usec;
 608
 609                 /* If just updating the timestamp. */
 610                 if (!out_addr)
 611                         continue;
 612
 613                 /* Process messages only if the timestamp is newer. */
 614                 if (timestamp <= sctx->dmesg_timestamp)
 615                         continue;
 616
 617                 /* Only process the first VM fault. */
 618                 if (fault)
 619                         continue;
 620
 621                 /* Remove trailing \n */
 622                 len = strlen(line);
 623                 if (len && line[len-1] == '\n')
 624                         line[len-1] = 0;
 625
 626                 /* Get the message part. */
 627                 msg = strchr(line, ']');
 628                 if (!msg) {
 629                         assert(0);
 630                         continue;
 631                 }
 632                 msg++;
 633
 634                 switch (progress) {
 635                 case 0:
 636                         if (strstr(msg, "GPU fault detected:"))
 637                                 progress = 1;
 638                         break;
 639                 case 1:
 640                         msg = strstr(msg, "VM_CONTEXT1_PROTECTION_FAULT_ADDR");
 641                         if (msg) {
 642                                 msg = strstr(msg, "0x");
 643                                 if (msg) {
 644                                         msg += 2;
 645                                         if (sscanf(msg, "%X", out_addr) == 1)
 646                                                 fault = true;
 647                                 }
 648                         }
 649                         progress = 0;
 650                         break;
 651                 default:
 652                         progress = 0;
 653                 }
 654         }
 655         pclose(p);
 656
 657         if (timestamp > sctx->dmesg_timestamp)
 658                 sctx->dmesg_timestamp = timestamp;
 659         return fault;
 660 }
 661
 662 void si_check_vm_faults(struct si_context *sctx)
 663 {
 664         struct pipe_screen *screen = sctx->b.b.screen;
 665         FILE *f;
 666         uint32_t addr;
 667
 668         /* Use conservative timeout 800ms, after which we won't wait any
 669          * longer and assume the GPU is hung.
 670          */
 671         screen->fence_finish(screen, sctx->last_gfx_fence, 800*1000*1000);
 672
 673         if (!si_vm_fault_occured(sctx, &addr))
 674                 return;
 675
 676         f = dd_get_debug_file();
 677         if (!f)
 678                 return;
 679
 680         fprintf(f, "VM fault report.\n\n");
 681         fprintf(f, "Driver vendor: %s\n", screen->get_vendor(screen));
 682         fprintf(f, "Device vendor: %s\n", screen->get_device_vendor(screen));
 683         fprintf(f, "Device name: %s\n\n", screen->get_name(screen));
 684         fprintf(f, "Failing VM page: 0x%08x\n\n", addr);
 685
 686         si_dump_last_bo_list(sctx, f);
 687         si_dump_last_ib(sctx, f);
 688         fclose(f);
 689
 690         fprintf(stderr, "Detected a VM fault, exiting...\n");
 691         exit(0);
 692 }
 693
 694 void si_init_debug_functions(struct si_context *sctx)
 695 {
 696         sctx->b.b.dump_debug_state = si_dump_debug_state;
 697
 698         /* Set the initial dmesg timestamp for this context, so that
 699          * only new messages will be checked for VM faults.
 700          */
 701         if (sctx->screen->b.debug_flags & DBG_CHECK_VM)
 702                 si_vm_fault_occured(sctx, NULL);
 703 }