diff options
Diffstat (limited to 'src/amd/vulkan/radv_debug.c')
| -rw-r--r-- | src/amd/vulkan/radv_debug.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/src/amd/vulkan/radv_debug.c b/src/amd/vulkan/radv_debug.c index 14971341b7d..733374cbb7c 100644 --- a/src/amd/vulkan/radv_debug.c +++ b/src/amd/vulkan/radv_debug.c @@ -36,6 +36,12 @@ #define TRACE_BO_SIZE 4096 +#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" + /* Trace BO layout (offsets are 4 bytes): * * [0]: primary trace ID @@ -136,6 +142,168 @@ radv_dump_debug_registers(struct radv_device *device, FILE *f) fprintf(f, "\n"); } +struct radv_shader_inst { + char text[160]; /* one disasm line */ + unsigned offset; /* instruction offset */ + unsigned size; /* instruction size = 4 or 8 */ +}; + +/* Split a disassembly string into lines and add them to the array pointed + * to by "instructions". */ +static void si_add_split_disasm(const char *disasm, + uint64_t start_addr, + unsigned *num, + struct radv_shader_inst *instructions) +{ + struct radv_shader_inst *last_inst = *num ? &instructions[*num - 1] : NULL; + char *next; + + while ((next = strchr(disasm, '\n'))) { + struct radv_shader_inst *inst = &instructions[*num]; + unsigned len = next - disasm; + + assert(len < ARRAY_SIZE(inst->text)); + memcpy(inst->text, disasm, len); + inst->text[len] = 0; + inst->offset = last_inst ? last_inst->offset + last_inst->size : 0; + + const char *semicolon = strchr(disasm, ';'); + assert(semicolon); + /* More than 16 chars after ";" means the instruction is 8 bytes long. */ + inst->size = next - semicolon > 16 ? 8 : 4; + + snprintf(inst->text + len, ARRAY_SIZE(inst->text) - len, + " [PC=0x%"PRIx64", off=%u, size=%u]", + start_addr + inst->offset, inst->offset, inst->size); + + last_inst = inst; + (*num)++; + disasm = next + 1; + } +} + +static void +radv_dump_annotated_shader(struct radv_pipeline *pipeline, + struct radv_shader_variant *shader, + gl_shader_stage stage, + struct ac_wave_info *waves, unsigned num_waves, + FILE *f) +{ + struct radv_device *device = pipeline->device; + uint64_t start_addr, end_addr; + unsigned i; + + if (!shader) + return; + + start_addr = device->ws->buffer_get_va(shader->bo) + shader->bo_offset; + end_addr = start_addr + shader->code_size; + + /* See if any wave executes the shader. */ + for (i = 0; i < num_waves; i++) { + if (start_addr <= waves[i].pc && waves[i].pc <= end_addr) + break; + } + + if (i == num_waves) + return; /* the shader is not being executed */ + + /* Remember the first found wave. The waves are sorted according to PC. */ + waves = &waves[i]; + num_waves -= i; + + /* Get the list of instructions. + * Buffer size / 4 is the upper bound of the instruction count. + */ + unsigned num_inst = 0; + struct radv_shader_inst *instructions = + calloc(shader->code_size / 4, sizeof(struct radv_shader_inst)); + + si_add_split_disasm(shader->disasm_string, + start_addr, &num_inst, instructions); + + fprintf(f, COLOR_YELLOW "%s - annotated disassembly:" COLOR_RESET "\n", + radv_get_shader_name(shader, stage)); + + /* Print instructions with annotations. */ + for (i = 0; i < num_inst; i++) { + struct radv_shader_inst *inst = &instructions[i]; + + fprintf(f, "%s\n", inst->text); + + /* Print which waves execute the instruction right now. */ + while (num_waves && start_addr + inst->offset == waves->pc) { + fprintf(f, + " " COLOR_GREEN "^ SE%u SH%u CU%u " + "SIMD%u WAVE%u EXEC=%016"PRIx64 " ", + waves->se, waves->sh, waves->cu, waves->simd, + waves->wave, waves->exec); + + if (inst->size == 4) { + fprintf(f, "INST32=%08X" COLOR_RESET "\n", + waves->inst_dw0); + } else { + fprintf(f, "INST64=%08X %08X" COLOR_RESET "\n", + waves->inst_dw0, waves->inst_dw1); + } + + waves->matched = true; + waves = &waves[1]; + num_waves--; + } + } + + fprintf(f, "\n\n"); + free(instructions); +} + +static void +radv_dump_annotated_shaders(struct radv_pipeline *pipeline, + struct radv_shader_variant *compute_shader, + FILE *f) +{ + struct ac_wave_info waves[AC_MAX_WAVES_PER_CHIP]; + unsigned num_waves = ac_get_wave_info(waves); + unsigned mask; + + fprintf(f, COLOR_CYAN "The number of active waves = %u" COLOR_RESET + "\n\n", num_waves); + + /* Dump annotated active graphics shaders. */ + mask = pipeline->active_stages; + while (mask) { + int stage = u_bit_scan(&mask); + + radv_dump_annotated_shader(pipeline, pipeline->shaders[stage], + stage, waves, num_waves, f); + } + + radv_dump_annotated_shader(pipeline, compute_shader, + MESA_SHADER_COMPUTE, waves, num_waves, f); + + /* Print waves executing shaders that are not currently bound. */ + unsigned i; + bool found = false; + for (i = 0; i < num_waves; i++) { + if (waves[i].matched) + continue; + + if (!found) { + fprintf(f, COLOR_CYAN + "Waves not executing currently-bound shaders:" + COLOR_RESET "\n"); + found = true; + } + fprintf(f, " SE%u SH%u CU%u SIMD%u WAVE%u EXEC=%016"PRIx64 + " INST=%08X %08X PC=%"PRIx64"\n", + waves[i].se, waves[i].sh, waves[i].cu, waves[i].simd, + waves[i].wave, waves[i].exec, waves[i].inst_dw0, + waves[i].inst_dw1, waves[i].pc); + } + if (found) + fprintf(f, "\n\n"); +} + static void radv_dump_shader(struct radv_pipeline *pipeline, struct radv_shader_variant *shader, gl_shader_stage stage, @@ -178,6 +346,7 @@ radv_dump_graphics_state(struct radv_pipeline *graphics_pipeline, return; radv_dump_shaders(graphics_pipeline, compute_shader, f); + radv_dump_annotated_shaders(graphics_pipeline, compute_shader, f); } static void @@ -188,6 +357,9 @@ radv_dump_compute_state(struct radv_pipeline *compute_pipeline, FILE *f) radv_dump_shaders(compute_pipeline, compute_pipeline->shaders[MESA_SHADER_COMPUTE], f); + radv_dump_annotated_shaders(compute_pipeline, + compute_pipeline->shaders[MESA_SHADER_COMPUTE], + f); } static struct radv_pipeline * |