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mesa/src/intel/tools/aubinator.c
Eric Engestrom 7f3cb7db08 intel/aubinator: drop unused functions 
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
2018-06-20 15:17:26 +01:00

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/*
* Copyright © 2016 Intel Corporation
*
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <getopt.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <signal.h>
#include <errno.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/mman.h>
#include "util/macros.h"
#include "common/gen_decoder.h"
#include "common/gen_disasm.h"
#include "intel_aub.h"
/* Below is the only command missing from intel_aub.h in libdrm
* So, reuse intel_aub.h from libdrm and #define the
* AUB_MI_BATCH_BUFFER_END as below
*/
#define AUB_MI_BATCH_BUFFER_END (0x0500 << 16)
#define CSI "\e["
#define BLUE_HEADER CSI "0;44m"
#define GREEN_HEADER CSI "1;42m"
#define NORMAL CSI "0m"
/* options */
static int option_full_decode = true;
static int option_print_offsets = true;
static int max_vbo_lines = -1;
static enum { COLOR_AUTO, COLOR_ALWAYS, COLOR_NEVER } option_color;
/* state */
uint16_t pci_id = 0;
char *input_file = NULL, *xml_path = NULL;
struct gen_device_info devinfo;
struct gen_batch_decode_ctx batch_ctx;
uint64_t gtt_size, gtt_end;
void *gtt;
uint64_t general_state_base;
uint64_t surface_state_base;
uint64_t dynamic_state_base;
uint64_t instruction_base;
uint64_t instruction_bound;
FILE *outfile;
struct brw_instruction;
#define GEN_ENGINE_RENDER 1
#define GEN_ENGINE_BLITTER 2
static void
handle_trace_block(uint32_t *p)
{
int operation = p[1] & AUB_TRACE_OPERATION_MASK;
int type = p[1] & AUB_TRACE_TYPE_MASK;
int address_space = p[1] & AUB_TRACE_ADDRESS_SPACE_MASK;
uint64_t offset = p[3];
uint32_t size = p[4];
int header_length = p[0] & 0xffff;
uint32_t *data = p + header_length + 2;
int engine = GEN_ENGINE_RENDER;
if (devinfo.gen >= 8)
offset += (uint64_t) p[5] << 32;
switch (operation) {
case AUB_TRACE_OP_DATA_WRITE:
if (address_space != AUB_TRACE_MEMTYPE_GTT)
break;
if (gtt_size < offset + size) {
fprintf(stderr, "overflow gtt space: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
memcpy((char *) gtt + offset, data, size);
if (gtt_end < offset + size)
gtt_end = offset + size;
break;
case AUB_TRACE_OP_COMMAND_WRITE:
switch (type) {
case AUB_TRACE_TYPE_RING_PRB0:
engine = GEN_ENGINE_RENDER;
break;
case AUB_TRACE_TYPE_RING_PRB2:
engine = GEN_ENGINE_BLITTER;
break;
default:
fprintf(outfile, "command write to unknown ring %d\n", type);
break;
}
(void)engine; /* TODO */
gen_print_batch(&batch_ctx, data, size, 0);
gtt_end = 0;
break;
}
}
static struct gen_batch_decode_bo
get_gen_batch_bo(void *user_data, uint64_t address)
{
if (address > gtt_end)
return (struct gen_batch_decode_bo) { .map = NULL };
/* We really only have one giant address range */
return (struct gen_batch_decode_bo) {
.addr = 0,
.map = gtt,
.size = gtt_size
};
}
static void
aubinator_init(uint16_t aub_pci_id, const char *app_name)
{
if (!gen_get_device_info(pci_id, &devinfo)) {
fprintf(stderr, "can't find device information: pci_id=0x%x\n", pci_id);
exit(EXIT_FAILURE);
}
enum gen_batch_decode_flags batch_flags = 0;
if (option_color == COLOR_ALWAYS)
batch_flags |= GEN_BATCH_DECODE_IN_COLOR;
if (option_full_decode)
batch_flags |= GEN_BATCH_DECODE_FULL;
if (option_print_offsets)
batch_flags |= GEN_BATCH_DECODE_OFFSETS;
batch_flags |= GEN_BATCH_DECODE_FLOATS;
gen_batch_decode_ctx_init(&batch_ctx, &devinfo, outfile, batch_flags,
xml_path, get_gen_batch_bo, NULL, NULL);
batch_ctx.max_vbo_decoded_lines = max_vbo_lines;
char *color = GREEN_HEADER, *reset_color = NORMAL;
if (option_color == COLOR_NEVER)
color = reset_color = "";
fprintf(outfile, "%sAubinator: Intel AUB file decoder.%-80s%s\n",
color, "", reset_color);
if (input_file)
fprintf(outfile, "File name: %s\n", input_file);
if (aub_pci_id)
fprintf(outfile, "PCI ID: 0x%x\n", aub_pci_id);
fprintf(outfile, "Application name: %s\n", app_name);
fprintf(outfile, "Decoding as: %s\n", gen_get_device_name(pci_id));
/* Throw in a new line before the first batch */
fprintf(outfile, "\n");
}
static void
handle_trace_header(uint32_t *p)
{
/* The intel_aubdump tool from IGT is kind enough to put a PCI-ID= tag in
* the AUB header comment. If the user hasn't specified a hardware
* generation, try to use the one from the AUB file.
*/
uint32_t *end = p + (p[0] & 0xffff) + 2;
int aub_pci_id = 0;
if (end > &p[12] && p[12] > 0)
sscanf((char *)&p[13], "PCI-ID=%i", &aub_pci_id);
if (pci_id == 0)
pci_id = aub_pci_id;
char app_name[33];
strncpy(app_name, (char *)&p[2], 32);
app_name[32] = 0;
aubinator_init(aub_pci_id, app_name);
}
static void
handle_memtrace_version(uint32_t *p)
{
int header_length = p[0] & 0xffff;
char app_name[64];
int app_name_len = MIN2(4 * (header_length + 1 - 5), ARRAY_SIZE(app_name) - 1);
int pci_id_len = 0;
int aub_pci_id = 0;
strncpy(app_name, (char *)&p[5], app_name_len);
app_name[app_name_len] = 0;
sscanf(app_name, "PCI-ID=%i %n", &aub_pci_id, &pci_id_len);
if (pci_id == 0)
pci_id = aub_pci_id;
aubinator_init(aub_pci_id, app_name + pci_id_len);
}
static void
handle_memtrace_reg_write(uint32_t *p)
{
uint32_t offset = p[1];
uint32_t value = p[5];
int engine;
static int render_elsp_writes = 0;
static int blitter_elsp_writes = 0;
static int render_elsq0 = 0;
static int blitter_elsq0 = 0;
uint8_t *pphwsp;
if (offset == 0x2230) {
render_elsp_writes++;
engine = GEN_ENGINE_RENDER;
} else if (offset == 0x22230) {
blitter_elsp_writes++;
engine = GEN_ENGINE_BLITTER;
} else if (offset == 0x2510) {
render_elsq0 = value;
} else if (offset == 0x22510) {
blitter_elsq0 = value;
} else if (offset == 0x2550 || offset == 0x22550) {
/* nothing */;
} else {
return;
}
if (render_elsp_writes > 3 || blitter_elsp_writes > 3) {
render_elsp_writes = blitter_elsp_writes = 0;
pphwsp = (uint8_t*)gtt + (value & 0xfffff000);
} else if (offset == 0x2550) {
engine = GEN_ENGINE_RENDER;
pphwsp = (uint8_t*)gtt + (render_elsq0 & 0xfffff000);
} else if (offset == 0x22550) {
engine = GEN_ENGINE_BLITTER;
pphwsp = (uint8_t*)gtt + (blitter_elsq0 & 0xfffff000);
} else {
return;
}
const uint32_t pphwsp_size = 4096;
uint32_t *context = (uint32_t*)(pphwsp + pphwsp_size);
uint32_t ring_buffer_head = context[5];
uint32_t ring_buffer_tail = context[7];
uint32_t ring_buffer_start = context[9];
uint32_t *commands = (uint32_t*)((uint8_t*)gtt + ring_buffer_start + ring_buffer_head);
(void)engine; /* TODO */
gen_print_batch(&batch_ctx, commands, ring_buffer_tail - ring_buffer_head, 0);
}
static void
handle_memtrace_mem_write(uint32_t *p)
{
uint64_t address = *(uint64_t*)&p[1];
uint32_t address_space = p[3] >> 28;
uint32_t size = p[4];
uint32_t *data = p + 5;
if (address_space != 1)
return;
if (gtt_size < address + size) {
fprintf(stderr, "overflow gtt space: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
memcpy((char *) gtt + address, data, size);
if (gtt_end < address + size)
gtt_end = address + size;
}
struct aub_file {
FILE *stream;
uint32_t *map, *end, *cursor;
uint32_t *mem_end;
};
static struct aub_file *
aub_file_open(const char *filename)
{
struct aub_file *file;
struct stat sb;
int fd;
file = calloc(1, sizeof *file);
fd = open(filename, O_RDONLY);
if (fd == -1) {
fprintf(stderr, "open %s failed: %s\n", filename, strerror(errno));
exit(EXIT_FAILURE);
}
if (fstat(fd, &sb) == -1) {
fprintf(stderr, "stat failed: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
file->map = mmap(NULL, sb.st_size,
PROT_READ, MAP_SHARED, fd, 0);
if (file->map == MAP_FAILED) {
fprintf(stderr, "mmap failed: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
close(fd);
file->cursor = file->map;
file->end = file->map + sb.st_size / 4;
return file;
}
static struct aub_file *
aub_file_stdin(void)
{
struct aub_file *file;
file = calloc(1, sizeof *file);
file->stream = stdin;
return file;
}
#define TYPE(dw) (((dw) >> 29) & 7)
#define OPCODE(dw) (((dw) >> 23) & 0x3f)
#define SUBOPCODE(dw) (((dw) >> 16) & 0x7f)
#define MAKE_HEADER(type, opcode, subopcode) \
(((type) << 29) | ((opcode) << 23) | ((subopcode) << 16))
#define TYPE_AUB 0x7
/* Classic AUB opcodes */
#define OPCODE_AUB 0x01
#define SUBOPCODE_HEADER 0x05
#define SUBOPCODE_BLOCK 0x41
#define SUBOPCODE_BMP 0x1e
/* Newer version AUB opcode */
#define OPCODE_NEW_AUB 0x2e
#define SUBOPCODE_REG_POLL 0x02
#define SUBOPCODE_REG_WRITE 0x03
#define SUBOPCODE_MEM_POLL 0x05
#define SUBOPCODE_MEM_WRITE 0x06
#define SUBOPCODE_VERSION 0x0e
#define MAKE_GEN(major, minor) ( ((major) << 8) | (minor) )
enum {
AUB_ITEM_DECODE_OK,
AUB_ITEM_DECODE_FAILED,
AUB_ITEM_DECODE_NEED_MORE_DATA,
};
static int
aub_file_decode_batch(struct aub_file *file)
{
uint32_t *p, h, *new_cursor;
int header_length, bias;
if (file->end - file->cursor < 1)
return AUB_ITEM_DECODE_NEED_MORE_DATA;
p = file->cursor;
h = *p;
header_length = h & 0xffff;
switch (OPCODE(h)) {
case OPCODE_AUB:
bias = 2;
break;
case OPCODE_NEW_AUB:
bias = 1;
break;
default:
fprintf(outfile, "unknown opcode %d at %td/%td\n",
OPCODE(h), file->cursor - file->map,
file->end - file->map);
return AUB_ITEM_DECODE_FAILED;
}
new_cursor = p + header_length + bias;
if ((h & 0xffff0000) == MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BLOCK)) {
if (file->end - file->cursor < 4)
return AUB_ITEM_DECODE_NEED_MORE_DATA;
new_cursor += p[4] / 4;
}
if (new_cursor > file->end)
return AUB_ITEM_DECODE_NEED_MORE_DATA;
switch (h & 0xffff0000) {
case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_HEADER):
handle_trace_header(p);
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BLOCK):
handle_trace_block(p);
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BMP):
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_VERSION):
handle_memtrace_version(p);
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_REG_WRITE):
handle_memtrace_reg_write(p);
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_MEM_WRITE):
handle_memtrace_mem_write(p);
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_MEM_POLL):
fprintf(outfile, "memory poll block (dwords %d):\n", h & 0xffff);
break;
case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_REG_POLL):
break;
default:
fprintf(outfile, "unknown block type=0x%x, opcode=0x%x, "
"subopcode=0x%x (%08x)\n", TYPE(h), OPCODE(h), SUBOPCODE(h), h);
break;
}
file->cursor = new_cursor;
return AUB_ITEM_DECODE_OK;
}
static int
aub_file_more_stuff(struct aub_file *file)
{
return file->cursor < file->end || (file->stream && !feof(file->stream));
}
#define AUB_READ_BUFFER_SIZE (4096)
#define MAX(a, b) ((a) < (b) ? (b) : (a))
static void
aub_file_data_grow(struct aub_file *file)
{
size_t old_size = (file->mem_end - file->map) * 4;
size_t new_size = MAX(old_size * 2, AUB_READ_BUFFER_SIZE);
uint32_t *new_start = realloc(file->map, new_size);
file->cursor = new_start + (file->cursor - file->map);
file->end = new_start + (file->end - file->map);
file->map = new_start;
file->mem_end = file->map + (new_size / 4);
}
static bool
aub_file_data_load(struct aub_file *file)
{
size_t r;
if (file->stream == NULL)
return false;
/* First remove any consumed data */
if (file->cursor > file->map) {
memmove(file->map, file->cursor,
(file->end - file->cursor) * 4);
file->end -= file->cursor - file->map;
file->cursor = file->map;
}
/* Then load some new data in */
if ((file->mem_end - file->end) < (AUB_READ_BUFFER_SIZE / 4))
aub_file_data_grow(file);
r = fread(file->end, 1, (file->mem_end - file->end) * 4, file->stream);
file->end += r / 4;
return r != 0;
}
static void
setup_pager(void)
{
int fds[2];
pid_t pid;
if (!isatty(1))
return;
if (pipe(fds) == -1)
return;
pid = fork();
if (pid == -1)
return;
if (pid == 0) {
close(fds[1]);
dup2(fds[0], 0);
execlp("less", "less", "-FRSi", NULL);
}
close(fds[0]);
dup2(fds[1], 1);
close(fds[1]);
}
static void
print_help(const char *progname, FILE *file)
{
fprintf(file,
"Usage: %s [OPTION]... [FILE]\n"
"Decode aub file contents from either FILE or the standard input.\n\n"
"A valid --gen option must be provided.\n\n"
" --help display this help and exit\n"
" --gen=platform decode for given platform (3 letter platform name)\n"
" --headers decode only command headers\n"
" --color[=WHEN] colorize the output; WHEN can be 'auto' (default\n"
" if omitted), 'always', or 'never'\n"
" --max-vbo-lines=N limit the number of decoded VBO lines\n"
" --no-pager don't launch pager\n"
" --no-offsets don't print instruction offsets\n"
" --xml=DIR load hardware xml description from directory DIR\n",
progname);
}
int main(int argc, char *argv[])
{
struct aub_file *file;
int c, i;
bool help = false, pager = true;
const struct option aubinator_opts[] = {
{ "help", no_argument, (int *) &help, true },
{ "no-pager", no_argument, (int *) &pager, false },
{ "no-offsets", no_argument, (int *) &option_print_offsets, false },
{ "gen", required_argument, NULL, 'g' },
{ "headers", no_argument, (int *) &option_full_decode, false },
{ "color", required_argument, NULL, 'c' },
{ "xml", required_argument, NULL, 'x' },
{ "max-vbo-lines", required_argument, NULL, 'v' },
{ NULL, 0, NULL, 0 }
};
outfile = stdout;
i = 0;
while ((c = getopt_long(argc, argv, "", aubinator_opts, &i)) != -1) {
switch (c) {
case 'g': {
const int id = gen_device_name_to_pci_device_id(optarg);
if (id < 0) {
fprintf(stderr, "can't parse gen: '%s', expected ivb, byt, hsw, "
"bdw, chv, skl, kbl or bxt\n", optarg);
exit(EXIT_FAILURE);
} else {
pci_id = id;
}
break;
}
case 'c':
if (optarg == NULL || strcmp(optarg, "always") == 0)
option_color = COLOR_ALWAYS;
else if (strcmp(optarg, "never") == 0)
option_color = COLOR_NEVER;
else if (strcmp(optarg, "auto") == 0)
option_color = COLOR_AUTO;
else {
fprintf(stderr, "invalid value for --color: %s", optarg);
exit(EXIT_FAILURE);
}
break;
case 'x':
xml_path = strdup(optarg);
break;
case 'v':
max_vbo_lines = atoi(optarg);
break;
default:
break;
}
}
if (help || argc == 1) {
print_help(argv[0], stderr);
exit(0);
}
if (optind < argc)
input_file = argv[optind];
/* Do this before we redirect stdout to pager. */
if (option_color == COLOR_AUTO)
option_color = isatty(1) ? COLOR_ALWAYS : COLOR_NEVER;
if (isatty(1) && pager)
setup_pager();
if (input_file == NULL)
file = aub_file_stdin();
else
file = aub_file_open(input_file);
/* mmap a terabyte for our gtt space. */
gtt_size = 1ull << 40;
gtt = mmap(NULL, gtt_size, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0);
if (gtt == MAP_FAILED) {
fprintf(stderr, "failed to alloc gtt space: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
while (aub_file_more_stuff(file)) {
switch (aub_file_decode_batch(file)) {
case AUB_ITEM_DECODE_OK:
break;
case AUB_ITEM_DECODE_NEED_MORE_DATA:
if (!file->stream) {
file->cursor = file->end;
break;
}
if (aub_file_more_stuff(file) && !aub_file_data_load(file)) {
fprintf(stderr, "failed to load data from stdin\n");
exit(EXIT_FAILURE);
}
break;
default:
fprintf(stderr, "failed to parse aubdump data\n");
exit(EXIT_FAILURE);
}
}
fflush(stdout);
/* close the stdout which is opened to write the output */
close(1);
free(xml_path);
wait(NULL);
return EXIT_SUCCESS;
}
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