intel/tools/error_decode: Parse HW context in Xe decoder

Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27888>
This commit is contained in:
José Roberto de Souza 2024-02-28 13:07:08 -08:00 committed by Marge Bot
parent ec3a41960b
commit 47bbd1c7ff

View file

@ -32,6 +32,8 @@ struct xe_vm {
*/
struct xe_vm_entry *entries;
uint32_t entries_len;
struct xe_vm_entry hw_context;
};
static const char *
@ -131,10 +133,61 @@ read_xe_vm_line(const char *line, uint64_t *address, const char **value_ptr)
return type;
}
/*
* similar to read_xe_vm_line() but it parses '[HWCTX].data: ...'
*/
static enum xe_vm_topic_type
read_xe_hw_sp_or_ctx_line(const char *line, const char **value_ptr, bool *is_hw_ctx)
{
enum xe_vm_topic_type type;
char text_addr[64];
bool is_hw_sp;
int i;
if (*line != '\t')
return XE_VM_TOPIC_TYPE_UNKNOWN;
line++;
if (*line != '[')
return XE_VM_TOPIC_TYPE_UNKNOWN;
for (i = 0, line++; *line != ']'; i++, line++)
text_addr[i] = *line;
text_addr[i] = 0;
*is_hw_ctx = strncmp(text_addr, "HWCTX", strlen("HWCTX")) == 0;
is_hw_sp = strncmp(text_addr, "HWSP", strlen("HWSP")) == 0;
if (*is_hw_ctx == false && is_hw_sp == false)
return XE_VM_TOPIC_TYPE_UNKNOWN;
/* at this point line points to last address digit so +3 to point to type */
line += 2;
switch (*line) {
case 'd':
type = XE_VM_TOPIC_TYPE_DATA;
break;
case 'l':
type = XE_VM_TOPIC_TYPE_LENGTH;
break;
case 'e':
type = XE_VM_TOPIC_TYPE_ERROR;
break;
default:
printf("type char: %c\n", *line);
return XE_VM_TOPIC_TYPE_UNKNOWN;
}
for (; *line != ':'; line++);
*value_ptr = line + 2;
return type;
}
static void xe_vm_init(struct xe_vm *xe_vm)
{
xe_vm->entries = NULL;
xe_vm->entries_len = 0;
memset(&xe_vm->hw_context, 0, sizeof(xe_vm->hw_context));
}
static void xe_vm_fini(struct xe_vm *xe_vm)
@ -144,9 +197,26 @@ static void xe_vm_fini(struct xe_vm *xe_vm)
for (i = 0; i < xe_vm->entries_len; i++)
free((uint32_t *)xe_vm->entries[i].data);
free((uint32_t *)xe_vm->hw_context.data);
free(xe_vm->entries);
}
static void
xe_vm_entry_set(struct xe_vm_entry *entry, const uint64_t address,
const uint32_t length, const uint32_t *data)
{
entry->address = address;
entry->length = length;
entry->data = data;
}
static void
xe_vm_hw_ctx_set(struct xe_vm *xe_vm, const uint32_t length,
const uint32_t *data)
{
xe_vm_entry_set(&xe_vm->hw_context, 0, length, data);
}
/*
* xe_vm_fini() will take care to free data
*/
@ -159,9 +229,7 @@ xe_vm_append(struct xe_vm *xe_vm, const uint64_t address, const uint32_t length,
if (!xe_vm->entries)
return false;
xe_vm->entries[xe_vm->entries_len].address = address;
xe_vm->entries[xe_vm->entries_len].length = length;
xe_vm->entries[xe_vm->entries_len].data = data;
xe_vm_entry_set(&xe_vm->entries[xe_vm->entries_len], address, length, data);
xe_vm->entries_len++;
return true;
}
@ -258,6 +326,7 @@ print_batch(struct intel_batch_decode_ctx *batch_ctx, const uint32_t *bb_data,
batch_ctx->engine = engine_class;
intel_print_batch(batch_ctx, bb_data, bb_len, bb_addr, is_ring_buffer);
batch_ctx->flags = batch_flags;
printf("\n");
}
}
@ -365,6 +434,46 @@ read_xe_data_file(FILE *file,
break;
}
case TOPIC_GUC_CT: {
enum xe_vm_topic_type type;
const char *value_ptr;
bool is_hw_ctx;
/* TODO: what to do with HWSP? */
type = read_xe_hw_sp_or_ctx_line(line, &value_ptr, &is_hw_ctx);
if (type != XE_VM_TOPIC_TYPE_UNKNOWN) {
print_line = false;
if (!is_hw_ctx)
break;
switch (type) {
case XE_VM_TOPIC_TYPE_DATA:
if (!ascii85_decode_allocated(value_ptr, vm_entry_data, vm_entry_len))
printf("Failed to parse HWCTX data\n");
break;
case XE_VM_TOPIC_TYPE_LENGTH: {
vm_entry_len = strtoul(value_ptr, NULL, 0);
vm_entry_data = calloc(1, vm_entry_len);
if (!vm_entry_data) {
printf("Out of memory to allocate a buffer to store content of HWCTX\n");
break;
}
if (is_hw_ctx)
xe_vm_hw_ctx_set(&xe_vm, vm_entry_len, vm_entry_data);
break;
}
case XE_VM_TOPIC_TYPE_ERROR:
printf("HWCTX not present in dump, content will be zeroed: %s\n", line);
break;
default:
printf("Not expected line in HWCTX: %s", line);
}
}
break;
}
case TOPIC_VM: {
enum xe_vm_topic_type type;
const char *value_ptr;
@ -392,7 +501,7 @@ read_xe_data_file(FILE *file,
break;
}
case XE_VM_TOPIC_TYPE_ERROR:
printf("VMA 0x%" PRIx64 " not present in dump, content will be zeroed. %s\n", address, line);
printf("VMA 0x%" PRIx64 " not present in dump, content will be zeroed: %s\n", address, line);
break;
default:
printf("Not expected line in VM state: %s", line);
@ -434,6 +543,21 @@ read_xe_data_file(FILE *file,
ring_wraps);
}
printf("**** HW context ****\n");
if (xe_vm.hw_context.length) {
const char *engine_name = intel_engines_class_to_string(engine_class);
const char *buffer_name = "HW Context";
const uint64_t bb_addr = 0;
const uint32_t *bb_data;
uint32_t bb_len;
bb_data = xe_vm.hw_context.data;
bb_len = xe_vm.hw_context.length;
print_batch(&batch_ctx, bb_data, bb_addr, bb_len, buffer_name,
engine_name, engine_class, batch_flags, option_print_all_bb,
ring_wraps);
}
intel_batch_decode_ctx_finish(&batch_ctx);
intel_spec_destroy(spec);
free(batch_buffers.addrs);