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intel_error_decode: Fix decode headers for HW context

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As we didn't recognise the different buffer type, we confused it with
whatever we last decoded (i.e. the render ring buffer).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-11-05 11:24:49 +00:00
parent d4c3cd4d04
commit 8f9df28a82
1 changed files with 56 additions and 27 deletions
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83
tools/intel_error_decode.c
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@ -434,26 +434,23 @@ print_fault_data(unsigned devid, uint32_t data1, uint32_t data0)
} }
#define MAX_RINGS 10 /* I really hope this never... */ #define MAX_RINGS 10 /* I really hope this never... */
uint32_t head[MAX_RINGS];
int head_ndx = 0;
int num_rings = 0;
static void print_batch(int is_batch, const char *ring_name, uint32_t gtt_offset)
{
const char *buffer_type[2] = { "ringbuffer", "batchbuffer" };
if (is_batch || !num_rings)
printf("%s (%s) at 0x%08x\n", buffer_type[is_batch], ring_name, gtt_offset);
else
printf("%s (%s) at 0x%08x; HEAD points to: 0x%08x\n", buffer_type[is_batch], ring_name, gtt_offset, head[head_ndx++ % num_rings] + gtt_offset);
}
static void decode(struct drm_intel_decode *ctx, bool is_batch, static void decode(struct drm_intel_decode *ctx,
const char *ring_name, uint32_t gtt_offset, uint32_t *data, const char *buffer_name,
const char *ring_name,
uint32_t gtt_offset,
uint32_t head_offset,
uint32_t *data,
int *count) int *count)
{ {
if (!*count) if (!*count)
return; return;
print_batch(is_batch, ring_name, gtt_offset); printf("%s (%s) at 0x%08x", buffer_name, ring_name, gtt_offset);
if (head_offset != -1)
printf("; HEAD points to: 0x%08x", head_offset+ gtt_offset);
printf("\n");
drm_intel_decode_set_batch_pointer(ctx, data, gtt_offset, *count); drm_intel_decode_set_batch_pointer(ctx, data, gtt_offset, *count);
drm_intel_decode(ctx); drm_intel_decode(ctx);
*count = 0; *count = 0;
@ -546,14 +543,18 @@ read_data_file(FILE *file)
struct drm_intel_decode *decode_ctx = NULL; struct drm_intel_decode *decode_ctx = NULL;
uint32_t devid = PCI_CHIP_I855_GM; uint32_t devid = PCI_CHIP_I855_GM;
uint32_t *data = NULL; uint32_t *data = NULL;
uint32_t head[MAX_RINGS];
int head_idx = 0;
int num_rings = 0;
long long unsigned fence; long long unsigned fence;
int data_size = 0, count = 0, line_number = 0, matched; int data_size = 0, count = 0, line_number = 0, matched;
char *line = NULL; char *line = NULL;
size_t line_size; size_t line_size;
uint32_t offset, value, ring_length = 0; uint32_t offset, value, ring_length = 0;
uint32_t gtt_offset = 0, new_gtt_offset; uint32_t gtt_offset = 0, new_gtt_offset;
uint32_t head_offset = -1;
const char *buffer_name = "batch buffer";
char *ring_name = NULL; char *ring_name = NULL;
int is_batch = 1;
while (getline(&line, &line_size, file) > 0) { while (getline(&line, &line_size, file) > 0) {
char *dashes; char *dashes;
@ -565,30 +566,51 @@ read_data_file(FILE *file)
strncpy(new_ring_name, line, dashes - line); strncpy(new_ring_name, line, dashes - line);
new_ring_name[dashes - line - 1] = '\0'; new_ring_name[dashes - line - 1] = '\0';
if (num_rings == -1)
num_rings = head_ndx;
matched = sscanf(dashes, "--- gtt_offset = 0x%08x\n", matched = sscanf(dashes, "--- gtt_offset = 0x%08x\n",
&new_gtt_offset); &new_gtt_offset);
if (matched == 1) { if (matched == 1) {
decode(decode_ctx, is_batch, ring_name, decode(decode_ctx,
gtt_offset, data, &count); buffer_name, ring_name,
gtt_offset, head_offset,
data, &count);
gtt_offset = new_gtt_offset; gtt_offset = new_gtt_offset;
is_batch = 1; head_offset = -1;
free(ring_name); free(ring_name);
ring_name = new_ring_name; ring_name = new_ring_name;
buffer_name = "batch buffer";
continue; continue;
} }
matched = sscanf(dashes, "--- ringbuffer = 0x%08x\n", matched = sscanf(dashes, "--- ringbuffer = 0x%08x\n",
&new_gtt_offset); &new_gtt_offset);
if (matched == 1) { if (matched == 1) {
decode(decode_ctx, is_batch, ring_name, decode(decode_ctx,
gtt_offset, data, &count); buffer_name, ring_name,
gtt_offset, head_offset,
data, &count);
gtt_offset = new_gtt_offset; gtt_offset = new_gtt_offset;
is_batch = 0; if (head_idx < num_rings)
head_offset = head[head_idx++];
else
head_offset = -1;
free(ring_name); free(ring_name);
ring_name = new_ring_name; ring_name = new_ring_name;
buffer_name = "ring buffer";
continue;
}
matched = sscanf(dashes, "--- HW Context = 0x%08x\n",
&new_gtt_offset);
if (matched == 1) {
decode(decode_ctx,
buffer_name, ring_name,
gtt_offset, head_offset,
data, &count);
gtt_offset = new_gtt_offset;
head_offset = -1;
free(ring_name);
ring_name = new_ring_name;
buffer_name = "HW Context";
continue; continue;
} }
} }
@ -599,7 +621,9 @@ read_data_file(FILE *file)
fprintf(stderr, "ASCII85 decode failed.\n"); fprintf(stderr, "ASCII85 decode failed.\n");
exit(1); exit(1);
} }
decode(decode_ctx, is_batch, ring_name, gtt_offset, decode(decode_ctx,
buffer_name, ring_name,
gtt_offset, head_offset,
data, &count); data, &count);
continue; continue;
} }
@ -609,7 +633,9 @@ read_data_file(FILE *file)
unsigned int reg, reg2; unsigned int reg, reg2;
/* display reg section is after the ringbuffers, don't mix them */ /* display reg section is after the ringbuffers, don't mix them */
decode(decode_ctx, is_batch, ring_name, gtt_offset, decode(decode_ctx,
buffer_name, ring_name,
gtt_offset, head_offset,
data, &count); data, &count);
printf("%s", line); printf("%s", line);
@ -690,7 +716,10 @@ read_data_file(FILE *file)
data[count-1] = value; data[count-1] = value;
} }
decode(decode_ctx, is_batch, ring_name, gtt_offset, data, &count); decode(decode_ctx,
buffer_name, ring_name,
gtt_offset, head_offset,
data, &count);
free(data); free(data);
free(line); free(line);