/* * Copyright 2015 Advanced Micro Devices, Inc. * * 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 * on 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHOR(S) AND/OR THEIR 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. * * Authors: * Marek Olšák */ #include "si_pipe.h" #include "si_shader.h" #include "sid.h" #include "sid_tables.h" #include "ddebug/dd_util.h" static void si_dump_shader(struct si_shader_ctx_state *state, const char *name, FILE *f) { if (!state->cso || !state->current) return; fprintf(f, "%s shader disassembly:\n", name); si_dump_shader_key(state->cso->type, &state->current->key, f); fprintf(f, "%s\n\n", state->current->binary.disasm_string); } /* Parsed IBs are difficult to read without colors. Use "less -R file" to * read them, or use "aha -b -f file" to convert them to html. */ #define COLOR_RESET "\033[0m" #define COLOR_RED "\033[31m" #define COLOR_GREEN "\033[1;32m" #define COLOR_YELLOW "\033[1;33m" #define COLOR_CYAN "\033[1;36m" #define INDENT_PKT 8 static void print_spaces(FILE *f, unsigned num) { fprintf(f, "%*s", num, ""); } static void print_value(FILE *file, uint32_t value, int bits) { /* Guess if it's int or float */ if (value <= (1 << 15)) { if (value <= 9) fprintf(file, "%u\n", value); else fprintf(file, "%u (0x%0*x)\n", value, bits / 4, value); } else { float f = uif(value); if (fabs(f) < 100000 && f*10 == floor(f*10)) fprintf(file, "%.1ff (0x%0*x)\n", f, bits / 4, value); else /* Don't print more leading zeros than there are bits. */ fprintf(file, "0x%0*x\n", bits / 4, value); } } static void print_named_value(FILE *file, const char *name, uint32_t value, int bits) { print_spaces(file, INDENT_PKT); fprintf(file, COLOR_YELLOW "%s" COLOR_RESET " <- ", name); print_value(file, value, bits); } static void si_dump_reg(FILE *file, unsigned offset, uint32_t value, uint32_t field_mask) { int r, f; for (r = 0; r < ARRAY_SIZE(reg_table); r++) { const struct si_reg *reg = ®_table[r]; if (reg->offset == offset) { bool first_field = true; print_spaces(file, INDENT_PKT); fprintf(file, COLOR_YELLOW "%s" COLOR_RESET " <- ", reg->name); if (!reg->num_fields) { print_value(file, value, 32); return; } for (f = 0; f < reg->num_fields; f++) { const struct si_field *field = ®->fields[f]; uint32_t val = (value & field->mask) >> (ffs(field->mask) - 1); if (!(field->mask & field_mask)) continue; /* Indent the field. */ if (!first_field) print_spaces(file, INDENT_PKT + strlen(reg->name) + 4); /* Print the field. */ fprintf(file, "%s = ", field->name); if (val < field->num_values && field->values[val]) fprintf(file, "%s\n", field->values[val]); else print_value(file, val, util_bitcount(field->mask)); first_field = false; } return; } } fprintf(file, COLOR_YELLOW "0x%05x" COLOR_RESET " = 0x%08x", offset, value); } static void si_parse_set_reg_packet(FILE *f, uint32_t *ib, unsigned count, unsigned reg_offset) { unsigned reg = (ib[1] << 2) + reg_offset; int i; for (i = 0; i < count; i++) si_dump_reg(f, reg + i*4, ib[2+i], ~0); } static uint32_t *si_parse_packet3(FILE *f, uint32_t *ib, int *num_dw, int trace_id) { unsigned count = PKT_COUNT_G(ib[0]); unsigned op = PKT3_IT_OPCODE_G(ib[0]); const char *predicate = PKT3_PREDICATE(ib[0]) ? "(predicate)" : ""; int i; /* Print the name first. */ for (i = 0; i < ARRAY_SIZE(packet3_table); i++) if (packet3_table[i].op == op) break; if (i < ARRAY_SIZE(packet3_table)) if (op == PKT3_SET_CONTEXT_REG || op == PKT3_SET_CONFIG_REG || op == PKT3_SET_UCONFIG_REG || op == PKT3_SET_SH_REG) fprintf(f, COLOR_CYAN "%s%s" COLOR_CYAN ":\n", packet3_table[i].name, predicate); else fprintf(f, COLOR_GREEN "%s%s" COLOR_RESET ":\n", packet3_table[i].name, predicate); else fprintf(f, COLOR_RED "PKT3_UNKNOWN 0x%x%s" COLOR_RESET ":\n", op, predicate); /* Print the contents. */ switch (op) { case PKT3_SET_CONTEXT_REG: si_parse_set_reg_packet(f, ib, count, SI_CONTEXT_REG_OFFSET); break; case PKT3_SET_CONFIG_REG: si_parse_set_reg_packet(f, ib, count, SI_CONFIG_REG_OFFSET); break; case PKT3_SET_UCONFIG_REG: si_parse_set_reg_packet(f, ib, count, CIK_UCONFIG_REG_OFFSET); break; case PKT3_SET_SH_REG: si_parse_set_reg_packet(f, ib, count, SI_SH_REG_OFFSET); break; case PKT3_DRAW_PREAMBLE: si_dump_reg(f, R_030908_VGT_PRIMITIVE_TYPE, ib[1], ~0); si_dump_reg(f, R_028AA8_IA_MULTI_VGT_PARAM, ib[2], ~0); si_dump_reg(f, R_028B58_VGT_LS_HS_CONFIG, ib[3], ~0); break; case PKT3_ACQUIRE_MEM: si_dump_reg(f, R_0301F0_CP_COHER_CNTL, ib[1], ~0); si_dump_reg(f, R_0301F4_CP_COHER_SIZE, ib[2], ~0); si_dump_reg(f, R_030230_CP_COHER_SIZE_HI, ib[3], ~0); si_dump_reg(f, R_0301F8_CP_COHER_BASE, ib[4], ~0); si_dump_reg(f, R_0301E4_CP_COHER_BASE_HI, ib[5], ~0); print_named_value(f, "POLL_INTERVAL", ib[6], 16); break; case PKT3_SURFACE_SYNC: si_dump_reg(f, R_0085F0_CP_COHER_CNTL, ib[1], ~0); si_dump_reg(f, R_0085F4_CP_COHER_SIZE, ib[2], ~0); si_dump_reg(f, R_0085F8_CP_COHER_BASE, ib[3], ~0); print_named_value(f, "POLL_INTERVAL", ib[4], 16); break; case PKT3_EVENT_WRITE: si_dump_reg(f, R_028A90_VGT_EVENT_INITIATOR, ib[1], S_028A90_EVENT_TYPE(~0)); print_named_value(f, "EVENT_INDEX", (ib[1] >> 8) & 0xf, 4); print_named_value(f, "INV_L2", (ib[1] >> 20) & 0x1, 1); if (count > 0) { print_named_value(f, "ADDRESS_LO", ib[2], 32); print_named_value(f, "ADDRESS_HI", ib[3], 16); } break; case PKT3_DRAW_INDEX_AUTO: si_dump_reg(f, R_030930_VGT_NUM_INDICES, ib[1], ~0); si_dump_reg(f, R_0287F0_VGT_DRAW_INITIATOR, ib[2], ~0); break; case PKT3_DRAW_INDEX_2: si_dump_reg(f, R_028A78_VGT_DMA_MAX_SIZE, ib[1], ~0); si_dump_reg(f, R_0287E8_VGT_DMA_BASE, ib[2], ~0); si_dump_reg(f, R_0287E4_VGT_DMA_BASE_HI, ib[3], ~0); si_dump_reg(f, R_030930_VGT_NUM_INDICES, ib[4], ~0); si_dump_reg(f, R_0287F0_VGT_DRAW_INITIATOR, ib[5], ~0); break; case PKT3_INDEX_TYPE: si_dump_reg(f, R_028A7C_VGT_DMA_INDEX_TYPE, ib[1], ~0); break; case PKT3_NUM_INSTANCES: si_dump_reg(f, R_030934_VGT_NUM_INSTANCES, ib[1], ~0); break; case PKT3_WRITE_DATA: si_dump_reg(f, R_370_CONTROL, ib[1], ~0); si_dump_reg(f, R_371_DST_ADDR_LO, ib[2], ~0); si_dump_reg(f, R_372_DST_ADDR_HI, ib[3], ~0); for (i = 2; i < count; i++) { print_spaces(f, INDENT_PKT); fprintf(f, "0x%08x\n", ib[2+i]); } break; case PKT3_CP_DMA: si_dump_reg(f, R_410_CP_DMA_WORD0, ib[1], ~0); si_dump_reg(f, R_411_CP_DMA_WORD1, ib[2], ~0); si_dump_reg(f, R_412_CP_DMA_WORD2, ib[3], ~0); si_dump_reg(f, R_413_CP_DMA_WORD3, ib[4], ~0); si_dump_reg(f, R_414_COMMAND, ib[5], ~0); break; case PKT3_DMA_DATA: si_dump_reg(f, R_500_DMA_DATA_WORD0, ib[1], ~0); si_dump_reg(f, R_501_SRC_ADDR_LO, ib[2], ~0); si_dump_reg(f, R_502_SRC_ADDR_HI, ib[3], ~0); si_dump_reg(f, R_503_DST_ADDR_LO, ib[4], ~0); si_dump_reg(f, R_504_DST_ADDR_HI, ib[5], ~0); si_dump_reg(f, R_414_COMMAND, ib[6], ~0); break; case PKT3_NOP: if (ib[0] == 0xffff1000) { count = -1; /* One dword NOP. */ break; } else if (count == 0 && SI_IS_TRACE_POINT(ib[1])) { unsigned packet_id = SI_GET_TRACE_POINT_ID(ib[1]); print_spaces(f, INDENT_PKT); fprintf(f, COLOR_RED "Trace point ID: %u\n", packet_id); if (trace_id == -1) break; /* tracing was disabled */ print_spaces(f, INDENT_PKT); if (packet_id < trace_id) fprintf(f, COLOR_RED "This trace point was reached by the CP." COLOR_RESET "\n"); else if (packet_id == trace_id) fprintf(f, COLOR_RED "!!!!! This is the last trace point that " "was reached by the CP !!!!!" COLOR_RESET "\n"); else if (packet_id+1 == trace_id) fprintf(f, COLOR_RED "!!!!! This is the first trace point that " "was NOT been reached by the CP !!!!!" COLOR_RESET "\n"); else fprintf(f, COLOR_RED "!!!!! This trace point was NOT reached " "by the CP !!!!!" COLOR_RESET "\n"); break; } /* fall through, print all dwords */ default: for (i = 0; i < count+1; i++) { print_spaces(f, INDENT_PKT); fprintf(f, "0x%08x\n", ib[1+i]); } } ib += count + 2; *num_dw -= count + 2; return ib; } /** * Parse and print an IB into a file. * * \param f file * \param ib IB * \param num_dw size of the IB * \param chip_class chip class * \param trace_id the last trace ID that is known to have been reached * and executed by the CP, typically read from a buffer */ static void si_parse_ib(FILE *f, uint32_t *ib, int num_dw, int trace_id, const char *name) { fprintf(f, "------------------ %s begin ------------------\n", name); while (num_dw > 0) { unsigned type = PKT_TYPE_G(ib[0]); switch (type) { case 3: ib = si_parse_packet3(f, ib, &num_dw, trace_id); break; case 2: /* type-2 nop */ if (ib[0] == 0x80000000) { fprintf(f, COLOR_GREEN "NOP (type 2)" COLOR_RESET "\n"); ib++; break; } /* fall through */ default: fprintf(f, "Unknown packet type %i\n", type); return; } } fprintf(f, "------------------- %s end -------------------\n", name); if (num_dw < 0) { printf("Packet ends after the end of IB.\n"); exit(0); } fprintf(f, "\n"); } static void si_dump_mmapped_reg(struct si_context *sctx, FILE *f, unsigned offset) { struct radeon_winsys *ws = sctx->b.ws; uint32_t value; if (ws->read_registers(ws, offset, 1, &value)) si_dump_reg(f, offset, value, ~0); } static void si_dump_debug_registers(struct si_context *sctx, FILE *f) { if (sctx->screen->b.info.drm_major == 2 && sctx->screen->b.info.drm_minor < 42) return; /* no radeon support */ fprintf(f, "Memory-mapped registers:\n"); si_dump_mmapped_reg(sctx, f, R_008010_GRBM_STATUS); /* No other registers can be read on DRM < 3.1.0. */ if (sctx->screen->b.info.drm_major < 3 || sctx->screen->b.info.drm_minor < 1) { fprintf(f, "\n"); return; } si_dump_mmapped_reg(sctx, f, R_008008_GRBM_STATUS2); si_dump_mmapped_reg(sctx, f, R_008014_GRBM_STATUS_SE0); si_dump_mmapped_reg(sctx, f, R_008018_GRBM_STATUS_SE1); si_dump_mmapped_reg(sctx, f, R_008038_GRBM_STATUS_SE2); si_dump_mmapped_reg(sctx, f, R_00803C_GRBM_STATUS_SE3); si_dump_mmapped_reg(sctx, f, R_00D034_SDMA0_STATUS_REG); si_dump_mmapped_reg(sctx, f, R_00D834_SDMA1_STATUS_REG); si_dump_mmapped_reg(sctx, f, R_000E50_SRBM_STATUS); si_dump_mmapped_reg(sctx, f, R_000E4C_SRBM_STATUS2); si_dump_mmapped_reg(sctx, f, R_000E54_SRBM_STATUS3); si_dump_mmapped_reg(sctx, f, R_008680_CP_STAT); si_dump_mmapped_reg(sctx, f, R_008674_CP_STALLED_STAT1); si_dump_mmapped_reg(sctx, f, R_008678_CP_STALLED_STAT2); si_dump_mmapped_reg(sctx, f, R_008670_CP_STALLED_STAT3); si_dump_mmapped_reg(sctx, f, R_008210_CP_CPC_STATUS); si_dump_mmapped_reg(sctx, f, R_008214_CP_CPC_BUSY_STAT); si_dump_mmapped_reg(sctx, f, R_008218_CP_CPC_STALLED_STAT1); si_dump_mmapped_reg(sctx, f, R_00821C_CP_CPF_STATUS); si_dump_mmapped_reg(sctx, f, R_008220_CP_CPF_BUSY_STAT); si_dump_mmapped_reg(sctx, f, R_008224_CP_CPF_STALLED_STAT1); fprintf(f, "\n"); } static void si_dump_last_ib(struct si_context *sctx, FILE *f) { int last_trace_id = -1; if (!sctx->last_ib) return; if (sctx->last_trace_buf) { /* We are expecting that the ddebug pipe has already * waited for the context, so this buffer should be idle. * If the GPU is hung, there is no point in waiting for it. */ uint32_t *map = sctx->b.ws->buffer_map(sctx->last_trace_buf->buf, NULL, PIPE_TRANSFER_UNSYNCHRONIZED | PIPE_TRANSFER_READ); if (map) last_trace_id = *map; } if (sctx->init_config) si_parse_ib(f, sctx->init_config->pm4, sctx->init_config->ndw, -1, "IB2: Init config"); if (sctx->init_config_gs_rings) si_parse_ib(f, sctx->init_config_gs_rings->pm4, sctx->init_config_gs_rings->ndw, -1, "IB2: Init GS rings"); si_parse_ib(f, sctx->last_ib, sctx->last_ib_dw_size, last_trace_id, "IB"); free(sctx->last_ib); /* dump only once */ sctx->last_ib = NULL; r600_resource_reference(&sctx->last_trace_buf, NULL); } static const char *priority_to_string(enum radeon_bo_priority priority) { #define ITEM(x) [RADEON_PRIO_##x] = #x static const char *table[64] = { ITEM(FENCE), ITEM(TRACE), ITEM(SO_FILLED_SIZE), ITEM(QUERY), ITEM(IB1), ITEM(IB2), ITEM(DRAW_INDIRECT), ITEM(INDEX_BUFFER), ITEM(CP_DMA), ITEM(VCE), ITEM(UVD), ITEM(SDMA_BUFFER), ITEM(SDMA_TEXTURE), ITEM(USER_SHADER), ITEM(INTERNAL_SHADER), ITEM(CONST_BUFFER), ITEM(DESCRIPTORS), ITEM(BORDER_COLORS), ITEM(SAMPLER_BUFFER), ITEM(VERTEX_BUFFER), ITEM(SHADER_RW_BUFFER), ITEM(RINGS_STREAMOUT), ITEM(SCRATCH_BUFFER), ITEM(COMPUTE_GLOBAL), ITEM(SAMPLER_TEXTURE), ITEM(SHADER_RW_IMAGE), ITEM(SAMPLER_TEXTURE_MSAA), ITEM(COLOR_BUFFER), ITEM(DEPTH_BUFFER), ITEM(COLOR_BUFFER_MSAA), ITEM(DEPTH_BUFFER_MSAA), ITEM(CMASK), ITEM(DCC), ITEM(HTILE), }; #undef ITEM assert(priority < ARRAY_SIZE(table)); return table[priority]; } static int bo_list_compare_va(const struct radeon_bo_list_item *a, const struct radeon_bo_list_item *b) { return a->vm_address < b->vm_address ? -1 : a->vm_address > b->vm_address ? 1 : 0; } static void si_dump_last_bo_list(struct si_context *sctx, FILE *f) { unsigned i,j; if (!sctx->last_bo_list) return; /* Sort the list according to VM adddresses first. */ qsort(sctx->last_bo_list, sctx->last_bo_count, sizeof(sctx->last_bo_list[0]), (void*)bo_list_compare_va); fprintf(f, "Buffer list (in units of pages = 4kB):\n" COLOR_YELLOW " Size VM start page " "VM end page Usage" COLOR_RESET "\n"); for (i = 0; i < sctx->last_bo_count; i++) { /* Note: Buffer sizes are expected to be aligned to 4k by the winsys. */ const unsigned page_size = 4096; uint64_t va = sctx->last_bo_list[i].vm_address; uint64_t size = sctx->last_bo_list[i].buf->size; bool hit = false; /* If there's unused virtual memory between 2 buffers, print it. */ if (i) { uint64_t previous_va_end = sctx->last_bo_list[i-1].vm_address + sctx->last_bo_list[i-1].buf->size; if (va > previous_va_end) { fprintf(f, " %10"PRIu64" -- hole --\n", (va - previous_va_end) / page_size); } } /* Print the buffer. */ fprintf(f, " %10"PRIu64" 0x%013"PRIx64" 0x%013"PRIx64" ", size / page_size, va / page_size, (va + size) / page_size); /* Print the usage. */ for (j = 0; j < 64; j++) { if (!(sctx->last_bo_list[i].priority_usage & (1llu << j))) continue; fprintf(f, "%s%s", !hit ? "" : ", ", priority_to_string(j)); hit = true; } fprintf(f, "\n"); } fprintf(f, "\nNote: The holes represent memory not used by the IB.\n" " Other buffers can still be allocated there.\n\n"); for (i = 0; i < sctx->last_bo_count; i++) pb_reference(&sctx->last_bo_list[i].buf, NULL); free(sctx->last_bo_list); sctx->last_bo_list = NULL; } static void si_dump_framebuffer(struct si_context *sctx, FILE *f) { struct pipe_framebuffer_state *state = &sctx->framebuffer.state; struct r600_texture *rtex; int i; for (i = 0; i < state->nr_cbufs; i++) { if (!state->cbufs[i]) continue; rtex = (struct r600_texture*)state->cbufs[i]->texture; fprintf(f, COLOR_YELLOW "Color buffer %i:" COLOR_RESET "\n", i); r600_print_texture_info(rtex, f); fprintf(f, "\n"); } if (state->zsbuf) { rtex = (struct r600_texture*)state->zsbuf->texture; fprintf(f, COLOR_YELLOW "Depth-stencil buffer:" COLOR_RESET "\n"); r600_print_texture_info(rtex, f); fprintf(f, "\n"); } } static void si_dump_debug_state(struct pipe_context *ctx, FILE *f, unsigned flags) { struct si_context *sctx = (struct si_context*)ctx; if (flags & PIPE_DEBUG_DEVICE_IS_HUNG) si_dump_debug_registers(sctx, f); si_dump_framebuffer(sctx, f); si_dump_shader(&sctx->vs_shader, "Vertex", f); si_dump_shader(&sctx->tcs_shader, "Tessellation control", f); si_dump_shader(&sctx->tes_shader, "Tessellation evaluation", f); si_dump_shader(&sctx->gs_shader, "Geometry", f); si_dump_shader(&sctx->ps_shader, "Fragment", f); si_dump_last_bo_list(sctx, f); si_dump_last_ib(sctx, f); fprintf(f, "Done.\n"); } static bool si_vm_fault_occured(struct si_context *sctx, uint32_t *out_addr) { char line[2000]; unsigned sec, usec; int progress = 0; uint64_t timestamp = 0; bool fault = false; FILE *p = popen("dmesg", "r"); if (!p) return false; while (fgets(line, sizeof(line), p)) { char *msg, len; /* Get the timestamp. */ if (sscanf(line, "[%u.%u]", &sec, &usec) != 2) { assert(0); continue; } timestamp = sec * 1000000llu + usec; /* If just updating the timestamp. */ if (!out_addr) continue; /* Process messages only if the timestamp is newer. */ if (timestamp <= sctx->dmesg_timestamp) continue; /* Only process the first VM fault. */ if (fault) continue; /* Remove trailing \n */ len = strlen(line); if (len && line[len-1] == '\n') line[len-1] = 0; /* Get the message part. */ msg = strchr(line, ']'); if (!msg) { assert(0); continue; } msg++; switch (progress) { case 0: if (strstr(msg, "GPU fault detected:")) progress = 1; break; case 1: msg = strstr(msg, "VM_CONTEXT1_PROTECTION_FAULT_ADDR"); if (msg) { msg = strstr(msg, "0x"); if (msg) { msg += 2; if (sscanf(msg, "%X", out_addr) == 1) fault = true; } } progress = 0; break; default: progress = 0; } } pclose(p); if (timestamp > sctx->dmesg_timestamp) sctx->dmesg_timestamp = timestamp; return fault; } void si_check_vm_faults(struct si_context *sctx) { struct pipe_screen *screen = sctx->b.b.screen; FILE *f; uint32_t addr; /* Use conservative timeout 800ms, after which we won't wait any * longer and assume the GPU is hung. */ sctx->b.ws->fence_wait(sctx->b.ws, sctx->last_gfx_fence, 800*1000*1000); if (!si_vm_fault_occured(sctx, &addr)) return; f = dd_get_debug_file(); if (!f) return; fprintf(f, "VM fault report.\n\n"); fprintf(f, "Driver vendor: %s\n", screen->get_vendor(screen)); fprintf(f, "Device vendor: %s\n", screen->get_device_vendor(screen)); fprintf(f, "Device name: %s\n\n", screen->get_name(screen)); fprintf(f, "Failing VM page: 0x%08x\n\n", addr); si_dump_last_bo_list(sctx, f); si_dump_last_ib(sctx, f); fclose(f); fprintf(stderr, "Detected a VM fault, exiting...\n"); exit(0); } void si_init_debug_functions(struct si_context *sctx) { sctx->b.b.dump_debug_state = si_dump_debug_state; /* Set the initial dmesg timestamp for this context, so that * only new messages will be checked for VM faults. */ if (sctx->screen->b.debug_flags & DBG_CHECK_VM) si_vm_fault_occured(sctx, NULL); }