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ac: Add rudimentary implementation of printing SDMA IBs.

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This isn't meant to be exhaustive and only prints the packets
and fields which were interesting to me during debugging the
RADV transfer queue implementation.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25769>
This commit is contained in:
Timur Kristóf
2023-10-06 02:49:42 +02:00
committed by Marge Bot
parent 90455ac864
commit d7f5ff402a
1 changed files with 173 additions and 1 deletions
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src/amd/common/ac_debug.c
+173 -1
View File
@@ -723,6 +723,171 @@ static void format_ib_output(FILE *f, char *out)
}
}
static void parse_sdma_ib(FILE *f, struct ac_ib_parser *ib)
{
while (ib->cur_dw < ib->num_dw) {
const uint32_t header = ac_ib_get(ib);
const uint32_t opcode = header & 0xff;
const uint32_t sub_op = (header >> 8) & 0xff;
switch (opcode) {
case CIK_SDMA_OPCODE_NOP: {
fprintf(f, "NOP\n");
const uint32_t count = header >> 16;
for (unsigned i = 0; i < count; ++i) {
ac_ib_get(ib);
fprintf(f, "\n");
}
break;
}
case CIK_SDMA_OPCODE_CONSTANT_FILL: {
fprintf(f, "CONSTANT_FILL\n");
ac_ib_get(ib);
fprintf(f, "\n");
ac_ib_get(ib);
fprintf(f, "\n");
uint32_t value = ac_ib_get(ib);
fprintf(f, " fill value = %u\n", value);
uint32_t byte_count = ac_ib_get(ib) + 1;
fprintf(f, " fill byte count = %u\n", byte_count);
unsigned dwords = byte_count / 4;
for (unsigned i = 0; i < dwords; ++i) {
ac_ib_get(ib);
fprintf(f, "\n");
}
break;
}
case CIK_SDMA_OPCODE_WRITE: {
fprintf(f, "WRITE\n");
/* VA */
ac_ib_get(ib);
fprintf(f, "\n");
ac_ib_get(ib);
fprintf(f, "\n");
uint32_t dwords = ac_ib_get(ib) + 1;
fprintf(f, " written dword count = %u\n", dwords);
for (unsigned i = 0; i < dwords; ++i) {
ac_ib_get(ib);
fprintf(f, "\n");
}
break;
}
case CIK_SDMA_OPCODE_COPY: {
switch (sub_op) {
case CIK_SDMA_COPY_SUB_OPCODE_LINEAR: {
fprintf(f, "COPY LINEAR\n");
uint32_t copy_bytes = ac_ib_get(ib) + (ib->gfx_level >= GFX9 ? 1 : 0);
fprintf(f, " copy bytes: %u\n", copy_bytes);
ac_ib_get(ib);
fprintf(f, "\n");
ac_ib_get(ib);
fprintf(f, " src VA low\n");
ac_ib_get(ib);
fprintf(f, " src VA high\n");
ac_ib_get(ib);
fprintf(f, " dst VA low\n");
ac_ib_get(ib);
fprintf(f, " dst VA high\n");
break;
}
case CIK_SDMA_COPY_SUB_OPCODE_LINEAR_SUB_WINDOW: {
fprintf(f, "COPY LINEAR_SUB_WINDOW\n");
for (unsigned i = 0; i < 12; ++i) {
ac_ib_get(ib);
fprintf(f, "\n");
}
break;
}
case CIK_SDMA_COPY_SUB_OPCODE_TILED_SUB_WINDOW: {
fprintf(f, "COPY TILED_SUB_WINDOW %s\n", header >> 31 ? "t2l" : "l2t");
uint32_t dcc = (header >> 19) & 1;
/* Tiled VA */
ac_ib_get(ib);
fprintf(f, " tiled VA low\n");
ac_ib_get(ib);
fprintf(f, " tiled VA high\n");
uint32_t dw3 = ac_ib_get(ib);
fprintf(f, " tiled offset x = %u, y=%u\n", dw3 & 0xffff, dw3 >> 16);
uint32_t dw4 = ac_ib_get(ib);
fprintf(f, " tiled offset z = %u, tiled width = %u\n", dw4 & 0xffff, (dw4 >> 16) + 1);
uint32_t dw5 = ac_ib_get(ib);
fprintf(f, " tiled height = %u, tiled depth = %u\n", (dw5 & 0xffff) + 1, (dw5 >> 16) + 1);
/* Tiled image info */
ac_ib_get(ib);
fprintf(f, " (tiled image info)\n");
/* Linear VA */
ac_ib_get(ib);
fprintf(f, " linear VA low\n");
ac_ib_get(ib);
fprintf(f, " linear VA high\n");
uint32_t dw9 = ac_ib_get(ib);
fprintf(f, " linear offset x = %u, y=%u\n", dw9 & 0xffff, dw9 >> 16);
uint32_t dw10 = ac_ib_get(ib);
fprintf(f, " linear offset z = %u, linear pitch = %u\n", dw10 & 0xffff, (dw10 >> 16) + 1);
uint32_t dw11 = ac_ib_get(ib);
fprintf(f, " linear slice pitch = %u\n", dw11 + 1);
uint32_t dw12 = ac_ib_get(ib);
fprintf(f, " copy width = %u, copy height = %u\n", (dw12 & 0xffff) + 1, (dw12 >> 16) + 1);
uint32_t dw13 = ac_ib_get(ib);
fprintf(f, " copy depth = %u\n", dw13 + 1);
if (dcc) {
ac_ib_get(ib);
fprintf(f, " metadata VA low\n");
ac_ib_get(ib);
fprintf(f, " metadata VA high\n");
ac_ib_get(ib);
fprintf(f, " (metadata config)\n");
}
break;
}
case CIK_SDMA_COPY_SUB_OPCODE_T2T_SUB_WINDOW: {
fprintf(f, "COPY T2T_SUB_WINDOW\n");
uint32_t dcc = (header >> 19) & 1;
for (unsigned i = 0; i < 14; ++i) {
ac_ib_get(ib);
fprintf(f, "\n");
}
if (dcc) {
ac_ib_get(ib);
fprintf(f, " metadata VA low\n");
ac_ib_get(ib);
fprintf(f, " metadata VA high\n");
ac_ib_get(ib);
fprintf(f, " (metadata config)\n");
}
break;
}
default:
fprintf(f, "(unrecognized COPY sub op)\n");
break;
}
break;
}
default:
fprintf(f, " (unrecognized opcode)\n");
break;
}
}
}
/**
* Parse and print an IB into a file.
*
@@ -760,7 +925,14 @@ void ac_parse_ib_chunk(FILE *f, uint32_t *ib_ptr, int num_dw, const int *trace_i
u_memstream_open(&mem, &out, &outsize);
FILE *const memf = u_memstream_get(&mem);
ib.f = memf;
parse_gfx_compute_ib(memf, &ib);
if (ip_type == AMD_IP_GFX || ip_type == AMD_IP_COMPUTE)
parse_gfx_compute_ib(memf, &ib);
else if (ip_type == AMD_IP_SDMA)
parse_sdma_ib(memf, &ib);
else
unreachable("unsupported IP type");
u_memstream_close(&mem);
if (out) {