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                 if (value <= 9)
  66                         fprintf(file, "%u\n", value);
  67                 else
  68                         fprintf(file, "%u (0x%0*x)\n", value, bits / 4, value);
  69         } else {
  70                 float f = uif(value);
  71
  72                 if (fabs(f) < 100000 && f*10 == floor(f*10))
  73                         fprintf(file, "%.1ff (0x%0*x)\n", f, bits / 4, value);
  74                 else
  75                         /* Don't print more leading zeros than there are bits. */
  76                         fprintf(file, "0x%0*x\n", bits / 4, value);
  77         }
  78 }
  79
  80 static void print_named_value(FILE *file, const char *name, uint32_t value,
  81                               int bits)
  82 {
  83         print_spaces(file, INDENT_PKT);
  84         fprintf(file, COLOR_YELLOW "%s" COLOR_RESET " <- ", name);
  85         print_value(file, value, bits);
  86 }
  87
  88 static void si_dump_reg(FILE *file, unsigned offset, uint32_t value,
  89                         uint32_t field_mask)
  90 {
  91         int r, f;
  92
  93         for (r = 0; r < ARRAY_SIZE(reg_table); r++) {
  94                 const struct si_reg *reg = &reg_table[r];
  95
  96                 if (reg->offset == offset) {
  97                         bool first_field = true;
  98
  99                         print_spaces(file, INDENT_PKT);
 100                         fprintf(file, COLOR_YELLOW "%s" COLOR_RESET " <- ",
 101                                 reg->name);
 102
 103                         if (!reg->num_fields) {
 104                                 print_value(file, value, 32);
 105                                 return;
 106                         }
 107
 108                         for (f = 0; f < reg->num_fields; f++) {
 109                                 const struct si_field *field = &reg->fields[f];
 110                                 uint32_t val = (value & field->mask) >>
 111                                                (ffs(field->mask) - 1);
 112
 113                                 if (!(field->mask & field_mask))
 114                                         continue;
 115
 116                                 /* Indent the field. */
 117                                 if (!first_field)
 118                                         print_spaces(file,
 119                                                      INDENT_PKT + strlen(reg->name) + 4);
 120
 121                                 /* Print the field. */
 122                                 fprintf(file, "%s = ", field->name);
 123
 124                                 if (val < field->num_values && field->values[val])
 125                                         fprintf(file, "%s\n", field->values[val]);
 126                                 else
 127                                         print_value(file, val,
 128                                                     util_bitcount(field->mask));
 129
 130                                 first_field = false;
 131                         }
 132                         return;
 133                 }
 134         }
 135
 136         fprintf(file, COLOR_YELLOW "0x%05x" COLOR_RESET " = 0x%08x", offset, value);
 137 }
 138
 139 static void si_parse_set_reg_packet(FILE *f, uint32_t *ib, unsigned count,
 140                                     unsigned reg_offset)
 141 {
 142         unsigned reg = (ib[1] << 2) + reg_offset;
 143         int i;
 144
 145         for (i = 0; i < count; i++)
 146                 si_dump_reg(f, reg + i*4, ib[2+i], ~0);
 147 }
 148
 149 static uint32_t *si_parse_packet3(FILE *f, uint32_t *ib, int *num_dw,
 150                                   int trace_id)
 151 {
 152         unsigned count = PKT_COUNT_G(ib[0]);
 153         unsigned op = PKT3_IT_OPCODE_G(ib[0]);
 154         const char *predicate = PKT3_PREDICATE(ib[0]) ? "(predicate)" : "";
 155         int i;
 156
 157         /* Print the name first. */
 158         for (i = 0; i < ARRAY_SIZE(packet3_table); i++)
 159                 if (packet3_table[i].op == op)
 160                         break;
 161
 162         if (i < ARRAY_SIZE(packet3_table))
 163                 if (op == PKT3_SET_CONTEXT_REG ||
 164                     op == PKT3_SET_CONFIG_REG ||
 165                     op == PKT3_SET_UCONFIG_REG ||
 166                     op == PKT3_SET_SH_REG)
 167                         fprintf(f, COLOR_CYAN "%s%s" COLOR_CYAN ":\n",
 168                                 packet3_table[i].name, predicate);
 169                 else
 170                         fprintf(f, COLOR_GREEN "%s%s" COLOR_RESET ":\n",
 171                                 packet3_table[i].name, predicate);
 172         else
 173                 fprintf(f, COLOR_RED "PKT3_UNKNOWN 0x%x%s" COLOR_RESET ":\n",
 174                         op, predicate);
 175
 176         /* Print the contents. */
 177         switch (op) {
 178         case PKT3_SET_CONTEXT_REG:
 179                 si_parse_set_reg_packet(f, ib, count, SI_CONTEXT_REG_OFFSET);
 180                 break;
 181         case PKT3_SET_CONFIG_REG:
 182                 si_parse_set_reg_packet(f, ib, count, SI_CONFIG_REG_OFFSET);
 183                 break;
 184         case PKT3_SET_UCONFIG_REG:
 185                 si_parse_set_reg_packet(f, ib, count, CIK_UCONFIG_REG_OFFSET);
 186                 break;
 187         case PKT3_SET_SH_REG:
 188                 si_parse_set_reg_packet(f, ib, count, SI_SH_REG_OFFSET);
 189                 break;
 190         case PKT3_DRAW_PREAMBLE:
 191                 si_dump_reg(f, R_030908_VGT_PRIMITIVE_TYPE, ib[1], ~0);
 192                 si_dump_reg(f, R_028AA8_IA_MULTI_VGT_PARAM, ib[2], ~0);
 193                 si_dump_reg(f, R_028B58_VGT_LS_HS_CONFIG, ib[3], ~0);
 194                 break;
 195         case PKT3_ACQUIRE_MEM:
 196                 si_dump_reg(f, R_0301F0_CP_COHER_CNTL, ib[1], ~0);
 197                 si_dump_reg(f, R_0301F4_CP_COHER_SIZE, ib[2], ~0);
 198                 si_dump_reg(f, R_030230_CP_COHER_SIZE_HI, ib[3], ~0);
 199                 si_dump_reg(f, R_0301F8_CP_COHER_BASE, ib[4], ~0);
 200                 si_dump_reg(f, R_0301E4_CP_COHER_BASE_HI, ib[5], ~0);
 201                 print_named_value(f, "POLL_INTERVAL", ib[6], 16);
 202                 break;
 203         case PKT3_SURFACE_SYNC:
 204                 si_dump_reg(f, R_0085F0_CP_COHER_CNTL, ib[1], ~0);
 205                 si_dump_reg(f, R_0085F4_CP_COHER_SIZE, ib[2], ~0);
 206                 si_dump_reg(f, R_0085F8_CP_COHER_BASE, ib[3], ~0);
 207                 print_named_value(f, "POLL_INTERVAL", ib[4], 16);
 208                 break;
 209         case PKT3_EVENT_WRITE:
 210                 si_dump_reg(f, R_028A90_VGT_EVENT_INITIATOR, ib[1],
 211                             S_028A90_EVENT_TYPE(~0));
 212                 print_named_value(f, "EVENT_INDEX", (ib[1] >> 8) & 0xf, 4);
 213                 print_named_value(f, "INV_L2", (ib[1] >> 20) & 0x1, 1);
 214                 if (count > 0) {
 215                         print_named_value(f, "ADDRESS_LO", ib[2], 32);
 216                         print_named_value(f, "ADDRESS_HI", ib[3], 16);
 217                 }
 218                 break;
 219         case PKT3_DRAW_INDEX_AUTO:
 220                 si_dump_reg(f, R_030930_VGT_NUM_INDICES, ib[1], ~0);
 221                 si_dump_reg(f, R_0287F0_VGT_DRAW_INITIATOR, ib[2], ~0);
 222                 break;
 223         case PKT3_DRAW_INDEX_2:
 224                 si_dump_reg(f, R_028A78_VGT_DMA_MAX_SIZE, ib[1], ~0);
 225                 si_dump_reg(f, R_0287E8_VGT_DMA_BASE, ib[2], ~0);
 226                 si_dump_reg(f, R_0287E4_VGT_DMA_BASE_HI, ib[3], ~0);
 227                 si_dump_reg(f, R_030930_VGT_NUM_INDICES, ib[4], ~0);
 228                 si_dump_reg(f, R_0287F0_VGT_DRAW_INITIATOR, ib[5], ~0);
 229                 break;
 230         case PKT3_INDEX_TYPE:
 231                 si_dump_reg(f, R_028A7C_VGT_DMA_INDEX_TYPE, ib[1], ~0);
 232                 break;
 233         case PKT3_NUM_INSTANCES:
 234                 si_dump_reg(f, R_030934_VGT_NUM_INSTANCES, ib[1], ~0);
 235                 break;
 236         case PKT3_WRITE_DATA:
 237                 si_dump_reg(f, R_370_CONTROL, ib[1], ~0);
 238                 si_dump_reg(f, R_371_DST_ADDR_LO, ib[2], ~0);
 239                 si_dump_reg(f, R_372_DST_ADDR_HI, ib[3], ~0);
 240                 for (i = 2; i < count; i++) {
 241                         print_spaces(f, INDENT_PKT);
 242                         fprintf(f, "0x%08x\n", ib[2+i]);
 243                 }
 244                 break;
 245         case PKT3_CP_DMA:
 246                 si_dump_reg(f, R_410_CP_DMA_WORD0, ib[1], ~0);
 247                 si_dump_reg(f, R_411_CP_DMA_WORD1, ib[2], ~0);
 248                 si_dump_reg(f, R_412_CP_DMA_WORD2, ib[3], ~0);
 249                 si_dump_reg(f, R_413_CP_DMA_WORD3, ib[4], ~0);
 250                 si_dump_reg(f, R_414_COMMAND, ib[5], ~0);
 251                 break;
 252         case PKT3_DMA_DATA:
 253                 si_dump_reg(f, R_500_DMA_DATA_WORD0, ib[1], ~0);
 254                 si_dump_reg(f, R_501_SRC_ADDR_LO, ib[2], ~0);
 255                 si_dump_reg(f, R_502_SRC_ADDR_HI, ib[3], ~0);
 256                 si_dump_reg(f, R_503_DST_ADDR_LO, ib[4], ~0);
 257                 si_dump_reg(f, R_504_DST_ADDR_HI, ib[5], ~0);
 258                 si_dump_reg(f, R_414_COMMAND, ib[6], ~0);
 259                 break;
 260         case PKT3_NOP:
 261                 if (ib[0] == 0xffff1000) {
 262                         count = -1; /* One dword NOP. */
 263                         break;
 264                 } else if (count == 0 && SI_IS_TRACE_POINT(ib[1])) {
 265                         unsigned packet_id = SI_GET_TRACE_POINT_ID(ib[1]);
 266
 267                         print_spaces(f, INDENT_PKT);
 268                         fprintf(f, COLOR_RED "Trace point ID: %u\n", packet_id);
 269
 270                         if (trace_id == -1)
 271                                 break; /* tracing was disabled */
 272
 273                         print_spaces(f, INDENT_PKT);
 274                         if (packet_id < trace_id)
 275                                 fprintf(f, COLOR_RED
 276                                         "This trace point was reached by the CP."
 277                                         COLOR_RESET "\n");
 278                         else if (packet_id == trace_id)
 279                                 fprintf(f, COLOR_RED
 280                                         "!!!!! This is the last trace point that "
 281                                         "was reached by the CP !!!!!"
 282                                         COLOR_RESET "\n");
 283                         else if (packet_id+1 == trace_id)
 284                                 fprintf(f, COLOR_RED
 285                                         "!!!!! This is the first trace point that "
 286                                         "was NOT been reached by the CP !!!!!"
 287                                         COLOR_RESET "\n");
 288                         else
 289                                 fprintf(f, COLOR_RED
 290                                         "!!!!! This trace point was NOT reached "
 291                                         "by the CP !!!!!"
 292                                         COLOR_RESET "\n");
 293                         break;
 294                 }
 295                 /* fall through, print all dwords */
 296         default:
 297                 for (i = 0; i < count+1; i++) {
 298                         print_spaces(f, INDENT_PKT);
 299                         fprintf(f, "0x%08x\n", ib[1+i]);
 300                 }
 301         }
 302
 303         ib += count + 2;
 304         *num_dw -= count + 2;
 305         return ib;
 306 }
 307
 308 /**
 309  * Parse and print an IB into a file.
 310  *
 311  * \param f             file
 312  * \param ib            IB
 313  * \param num_dw        size of the IB
 314  * \param chip_class    chip class
 315  * \param trace_id      the last trace ID that is known to have been reached
 316  *                      and executed by the CP, typically read from a buffer
 317  */
 318 static void si_parse_ib(FILE *f, uint32_t *ib, int num_dw, int trace_id,
 319                         const char *name)
 320 {
 321         fprintf(f, "------------------ %s begin ------------------\n", name);
 322
 323         while (num_dw > 0) {
 324                 unsigned type = PKT_TYPE_G(ib[0]);
 325
 326                 switch (type) {
 327                 case 3:
 328                         ib = si_parse_packet3(f, ib, &num_dw, trace_id);
 329                         break;
 330                 case 2:
 331                         /* type-2 nop */
 332                         if (ib[0] == 0x80000000) {
 333                                 fprintf(f, COLOR_GREEN "NOP (type 2)" COLOR_RESET "\n");
 334                                 ib++;
 335                                 break;
 336                         }
 337                         /* fall through */
 338                 default:
 339                         fprintf(f, "Unknown packet type %i\n", type);
 340                         return;
 341                 }
 342         }
 343
 344         fprintf(f, "------------------- %s end -------------------\n", name);
 345         if (num_dw < 0) {
 346                 printf("Packet ends after the end of IB.\n");
 347                 exit(0);
 348         }
 349         fprintf(f, "\n");
 350 }
 351
 352 static void si_dump_mmapped_reg(struct si_context *sctx, FILE *f,
 353                                 unsigned offset)
 354 {
 355         struct radeon_winsys *ws = sctx->b.ws;
 356         uint32_t value;
 357
 358         if (ws->read_registers(ws, offset, 1, &value))
 359                 si_dump_reg(f, offset, value, ~0);
 360 }
 361
 362 static void si_dump_debug_registers(struct si_context *sctx, FILE *f)
 363 {
 364         if (sctx->screen->b.info.drm_major == 2 &&
 365             sctx->screen->b.info.drm_minor < 42)
 366                 return; /* no radeon support */
 367
 368         fprintf(f, "Memory-mapped registers:\n");
 369         si_dump_mmapped_reg(sctx, f, R_008010_GRBM_STATUS);
 370
 371         /* No other registers can be read on DRM < 3.1.0. */
 372         if (sctx->screen->b.info.drm_major < 3 ||
 373             sctx->screen->b.info.drm_minor < 1) {
 374                 fprintf(f, "\n");
 375                 return;
 376         }
 377
 378         si_dump_mmapped_reg(sctx, f, R_008008_GRBM_STATUS2);
 379         si_dump_mmapped_reg(sctx, f, R_008014_GRBM_STATUS_SE0);
 380         si_dump_mmapped_reg(sctx, f, R_008018_GRBM_STATUS_SE1);
 381         si_dump_mmapped_reg(sctx, f, R_008038_GRBM_STATUS_SE2);
 382         si_dump_mmapped_reg(sctx, f, R_00803C_GRBM_STATUS_SE3);
 383         si_dump_mmapped_reg(sctx, f, R_00D034_SDMA0_STATUS_REG);
 384         si_dump_mmapped_reg(sctx, f, R_00D834_SDMA1_STATUS_REG);
 385         si_dump_mmapped_reg(sctx, f, R_000E50_SRBM_STATUS);
 386         si_dump_mmapped_reg(sctx, f, R_000E4C_SRBM_STATUS2);
 387         si_dump_mmapped_reg(sctx, f, R_000E54_SRBM_STATUS3);
 388         si_dump_mmapped_reg(sctx, f, R_008680_CP_STAT);
 389         si_dump_mmapped_reg(sctx, f, R_008674_CP_STALLED_STAT1);
 390         si_dump_mmapped_reg(sctx, f, R_008678_CP_STALLED_STAT2);
 391         si_dump_mmapped_reg(sctx, f, R_008670_CP_STALLED_STAT3);
 392         si_dump_mmapped_reg(sctx, f, R_008210_CP_CPC_STATUS);
 393         si_dump_mmapped_reg(sctx, f, R_008214_CP_CPC_BUSY_STAT);
 394         si_dump_mmapped_reg(sctx, f, R_008218_CP_CPC_STALLED_STAT1);
 395         si_dump_mmapped_reg(sctx, f, R_00821C_CP_CPF_STATUS);
 396         si_dump_mmapped_reg(sctx, f, R_008220_CP_CPF_BUSY_STAT);
 397         si_dump_mmapped_reg(sctx, f, R_008224_CP_CPF_STALLED_STAT1);
 398         fprintf(f, "\n");
 399 }
 400
 401 static void si_dump_last_ib(struct si_context *sctx, FILE *f)
 402 {
 403         int last_trace_id = -1;
 404
 405         if (!sctx->last_ib)
 406                 return;
 407
 408         if (sctx->last_trace_buf) {
 409                 /* We are expecting that the ddebug pipe has already
 410                  * waited for the context, so this buffer should be idle.
 411                  * If the GPU is hung, there is no point in waiting for it.
 412                  */
 413                 uint32_t *map = sctx->b.ws->buffer_map(sctx->last_trace_buf->buf,
 414                                                        NULL,
 415                                                        PIPE_TRANSFER_UNSYNCHRONIZED |
 416                                                        PIPE_TRANSFER_READ);
 417                 if (map)
 418                         last_trace_id = *map;
 419         }
 420
 421         if (sctx->init_config)
 422                 si_parse_ib(f, sctx->init_config->pm4, sctx->init_config->ndw,
 423                             -1, "IB2: Init config");
 424
 425         if (sctx->init_config_gs_rings)
 426                 si_parse_ib(f, sctx->init_config_gs_rings->pm4,
 427                             sctx->init_config_gs_rings->ndw,
 428                             -1, "IB2: Init GS rings");
 429
 430         si_parse_ib(f, sctx->last_ib, sctx->last_ib_dw_size,
 431                     last_trace_id, "IB");
 432         free(sctx->last_ib); /* dump only once */
 433         sctx->last_ib = NULL;
 434         r600_resource_reference(&sctx->last_trace_buf, NULL);
 435 }
 436
 437 static const char *priority_to_string(enum radeon_bo_priority priority)
 438 {
 439 #define ITEM(x) [RADEON_PRIO_##x] = #x
 440         static const char *table[64] = {
 441                 ITEM(FENCE),
 442                 ITEM(TRACE),
 443                 ITEM(SO_FILLED_SIZE),
 444                 ITEM(QUERY),
 445                 ITEM(IB1),
 446                 ITEM(IB2),
 447                 ITEM(DRAW_INDIRECT),
 448                 ITEM(INDEX_BUFFER),
 449                 ITEM(CP_DMA),
 450                 ITEM(VCE),
 451                 ITEM(UVD),
 452                 ITEM(SDMA_BUFFER),
 453                 ITEM(SDMA_TEXTURE),
 454                 ITEM(USER_SHADER),
 455                 ITEM(INTERNAL_SHADER),
 456                 ITEM(CONST_BUFFER),
 457                 ITEM(DESCRIPTORS),
 458                 ITEM(BORDER_COLORS),
 459                 ITEM(SAMPLER_BUFFER),
 460                 ITEM(VERTEX_BUFFER),
 461                 ITEM(SHADER_RW_BUFFER),
 462                 ITEM(RINGS_STREAMOUT),
 463                 ITEM(SCRATCH_BUFFER),
 464                 ITEM(COMPUTE_GLOBAL),
 465                 ITEM(SAMPLER_TEXTURE),
 466                 ITEM(SHADER_RW_IMAGE),
 467                 ITEM(SAMPLER_TEXTURE_MSAA),
 468                 ITEM(COLOR_BUFFER),
 469                 ITEM(DEPTH_BUFFER),
 470                 ITEM(COLOR_BUFFER_MSAA),
 471                 ITEM(DEPTH_BUFFER_MSAA),
 472                 ITEM(CMASK),
 473                 ITEM(DCC),
 474                 ITEM(HTILE),
 475         };
 476 #undef ITEM
 477
 478         assert(priority < ARRAY_SIZE(table));
 479         return table[priority];
 480 }
 481
 482 static int bo_list_compare_va(const struct radeon_bo_list_item *a,
 483                                    const struct radeon_bo_list_item *b)
 484 {
 485         return a->vm_address < b->vm_address ? -1 :
 486                a->vm_address > b->vm_address ? 1 : 0;
 487 }
 488
 489 static void si_dump_last_bo_list(struct si_context *sctx, FILE *f)
 490 {
 491         unsigned i,j;
 492
 493         if (!sctx->last_bo_list)
 494                 return;
 495
 496         /* Sort the list according to VM adddresses first. */
 497         qsort(sctx->last_bo_list, sctx->last_bo_count,
 498               sizeof(sctx->last_bo_list[0]), (void*)bo_list_compare_va);
 499
 500         fprintf(f, "Buffer list (in units of pages = 4kB):\n"
 501                 COLOR_YELLOW "        Size    VM start page         "
 502                 "VM end page           Usage" COLOR_RESET "\n");
 503
 504         for (i = 0; i < sctx->last_bo_count; i++) {
 505                 /* Note: Buffer sizes are expected to be aligned to 4k by the winsys. */
 506                 const unsigned page_size = 4096;
 507                 uint64_t va = sctx->last_bo_list[i].vm_address;
 508                 uint64_t size = sctx->last_bo_list[i].buf->size;
 509                 bool hit = false;
 510
 511                 /* If there's unused virtual memory between 2 buffers, print it. */
 512                 if (i) {
 513                         uint64_t previous_va_end = sctx->last_bo_list[i-1].vm_address +
 514                                                    sctx->last_bo_list[i-1].buf->size;
 515
 516                         if (va > previous_va_end) {
 517                                 fprintf(f, "  %10"PRIu64"    -- hole --\n",
 518                                         (va - previous_va_end) / page_size);
 519                         }
 520                 }
 521
 522                 /* Print the buffer. */
 523                 fprintf(f, "  %10"PRIu64"    0x%013"PRIx64"       0x%013"PRIx64"       ",
 524                         size / page_size, va / page_size, (va + size) / page_size);
 525
 526                 /* Print the usage. */
 527                 for (j = 0; j < 64; j++) {
 528                         if (!(sctx->last_bo_list[i].priority_usage & (1llu << j)))
 529                                 continue;
 530
 531                         fprintf(f, "%s%s", !hit ? "" : ", ", priority_to_string(j));
 532                         hit = true;
 533                 }
 534                 fprintf(f, "\n");
 535         }
 536         fprintf(f, "\nNote: The holes represent memory not used by the IB.\n"
 537                    "      Other buffers can still be allocated there.\n\n");
 538
 539         for (i = 0; i < sctx->last_bo_count; i++)
 540                 pb_reference(&sctx->last_bo_list[i].buf, NULL);
 541         free(sctx->last_bo_list);
 542         sctx->last_bo_list = NULL;
 543 }
 544
 545 static void si_dump_framebuffer(struct si_context *sctx, FILE *f)
 546 {
 547         struct pipe_framebuffer_state *state = &sctx->framebuffer.state;
 548         struct r600_texture *rtex;
 549         int i;
 550
 551         for (i = 0; i < state->nr_cbufs; i++) {
 552                 if (!state->cbufs[i])
 553                         continue;
 554
 555                 rtex = (struct r600_texture*)state->cbufs[i]->texture;
 556                 fprintf(f, COLOR_YELLOW "Color buffer %i:" COLOR_RESET "\n", i);
 557                 r600_print_texture_info(rtex, f);
 558                 fprintf(f, "\n");
 559         }
 560
 561         if (state->zsbuf) {
 562                 rtex = (struct r600_texture*)state->zsbuf->texture;
 563                 fprintf(f, COLOR_YELLOW "Depth-stencil buffer:" COLOR_RESET "\n");
 564                 r600_print_texture_info(rtex, f);
 565                 fprintf(f, "\n");
 566         }
 567 }
 568
 569 static void si_dump_debug_state(struct pipe_context *ctx, FILE *f,
 570                                 unsigned flags)
 571 {
 572         struct si_context *sctx = (struct si_context*)ctx;
 573
 574         if (flags & PIPE_DEBUG_DEVICE_IS_HUNG)
 575                 si_dump_debug_registers(sctx, f);
 576
 577         si_dump_framebuffer(sctx, f);
 578         si_dump_shader(&sctx->vs_shader, "Vertex", f);
 579         si_dump_shader(&sctx->tcs_shader, "Tessellation control", f);
 580         si_dump_shader(&sctx->tes_shader, "Tessellation evaluation", f);
 581         si_dump_shader(&sctx->gs_shader, "Geometry", f);
 582         si_dump_shader(&sctx->ps_shader, "Fragment", f);
 583
 584         si_dump_last_bo_list(sctx, f);
 585         si_dump_last_ib(sctx, f);
 586
 587         fprintf(f, "Done.\n");
 588 }
 589
 590 static bool si_vm_fault_occured(struct si_context *sctx, uint32_t *out_addr)
 591 {
 592         char line[2000];
 593         unsigned sec, usec;
 594         int progress = 0;
 595         uint64_t timestamp = 0;
 596         bool fault = false;
 597
 598         FILE *p = popen("dmesg", "r");
 599         if (!p)
 600                 return false;
 601
 602         while (fgets(line, sizeof(line), p)) {
 603                 char *msg, len;
 604
 605                 /* Get the timestamp. */
 606                 if (sscanf(line, "[%u.%u]", &sec, &usec) != 2) {
 607                         assert(0);
 608                         continue;
 609                 }
 610                 timestamp = sec * 1000000llu + usec;
 611
 612                 /* If just updating the timestamp. */
 613                 if (!out_addr)
 614                         continue;
 615
 616                 /* Process messages only if the timestamp is newer. */
 617                 if (timestamp <= sctx->dmesg_timestamp)
 618                         continue;
 619
 620                 /* Only process the first VM fault. */
 621                 if (fault)
 622                         continue;
 623
 624                 /* Remove trailing \n */
 625                 len = strlen(line);
 626                 if (len && line[len-1] == '\n')
 627                         line[len-1] = 0;
 628
 629                 /* Get the message part. */
 630                 msg = strchr(line, ']');
 631                 if (!msg) {
 632                         assert(0);
 633                         continue;
 634                 }
 635                 msg++;
 636
 637                 switch (progress) {
 638                 case 0:
 639                         if (strstr(msg, "GPU fault detected:"))
 640                                 progress = 1;
 641                         break;
 642                 case 1:
 643                         msg = strstr(msg, "VM_CONTEXT1_PROTECTION_FAULT_ADDR");
 644                         if (msg) {
 645                                 msg = strstr(msg, "0x");
 646                                 if (msg) {
 647                                         msg += 2;
 648                                         if (sscanf(msg, "%X", out_addr) == 1)
 649                                                 fault = true;
 650                                 }
 651                         }
 652                         progress = 0;
 653                         break;
 654                 default:
 655                         progress = 0;
 656                 }
 657         }
 658         pclose(p);
 659
 660         if (timestamp > sctx->dmesg_timestamp)
 661                 sctx->dmesg_timestamp = timestamp;
 662         return fault;
 663 }
 664
 665 void si_check_vm_faults(struct si_context *sctx)
 666 {
 667         struct pipe_screen *screen = sctx->b.b.screen;
 668         FILE *f;
 669         uint32_t addr;
 670
 671         /* Use conservative timeout 800ms, after which we won't wait any
 672          * longer and assume the GPU is hung.
 673          */
 674         sctx->b.ws->fence_wait(sctx->b.ws, sctx->last_gfx_fence, 800*1000*1000);
 675
 676         if (!si_vm_fault_occured(sctx, &addr))
 677                 return;
 678
 679         f = dd_get_debug_file();
 680         if (!f)
 681                 return;
 682
 683         fprintf(f, "VM fault report.\n\n");
 684         fprintf(f, "Driver vendor: %s\n", screen->get_vendor(screen));
 685         fprintf(f, "Device vendor: %s\n", screen->get_device_vendor(screen));
 686         fprintf(f, "Device name: %s\n\n", screen->get_name(screen));
 687         fprintf(f, "Failing VM page: 0x%08x\n\n", addr);
 688
 689         si_dump_last_bo_list(sctx, f);
 690         si_dump_last_ib(sctx, f);
 691         fclose(f);
 692
 693         fprintf(stderr, "Detected a VM fault, exiting...\n");
 694         exit(0);
 695 }
 696
 697 void si_init_debug_functions(struct si_context *sctx)
 698 {
 699         sctx->b.b.dump_debug_state = si_dump_debug_state;
 700
 701         /* Set the initial dmesg timestamp for this context, so that
 702          * only new messages will be checked for VM faults.
 703          */
 704         if (sctx->screen->b.debug_flags & DBG_CHECK_VM)
 705                 si_vm_fault_occured(sctx, NULL);
 706 }