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radv: dump last 60 lines of dmesg when a hang occured

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Copied from dd_dump_dmesg().

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset
2017-09-11 22:02:54 +02:00
parent 26bc664ca0
commit 302e34d24b
1 changed files with 20 additions and 0 deletions
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20
src/amd/vulkan/radv_debug.c
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@@ -563,6 +563,24 @@ radv_get_saved_compute_pipeline(struct radv_device *device)
return (struct radv_pipeline *)ptr[2]; return (struct radv_pipeline *)ptr[2];
} }
static void
radv_dump_dmesg(FILE *f)
{
char line[2000];
FILE *p;
p = popen("dmesg | tail -n60", "r");
if (!p)
return;
fprintf(f, "\nLast 60 lines of dmesg:\n\n");
while (fgets(line, sizeof(line), p))
fputs(line, f);
fprintf(f, "\n");
pclose(p);
}
static bool static bool
radv_gpu_hang_occured(struct radv_queue *queue, enum ring_type ring) radv_gpu_hang_occured(struct radv_queue *queue, enum ring_type ring)
{ {
@@ -595,6 +613,8 @@ radv_check_gpu_hangs(struct radv_queue *queue, struct radeon_winsys_cs *cs)
graphics_pipeline = radv_get_saved_graphics_pipeline(device); graphics_pipeline = radv_get_saved_graphics_pipeline(device);
compute_pipeline = radv_get_saved_compute_pipeline(device); compute_pipeline = radv_get_saved_compute_pipeline(device);
radv_dump_dmesg(stderr);
if (vm_fault_occurred) { if (vm_fault_occurred) {
fprintf(stderr, "VM fault report.\n\n"); fprintf(stderr, "VM fault report.\n\n");
fprintf(stderr, "Failing VM page: 0x%08"PRIx64"\n\n", addr); fprintf(stderr, "Failing VM page: 0x%08"PRIx64"\n\n", addr);