From 302e34d24bdac1abf5b14aadf7a3857f033e01b2 Mon Sep 17 00:00:00 2001 From: Samuel Pitoiset Date: Mon, 11 Sep 2017 22:02:54 +0200 Subject: radv: dump last 60 lines of dmesg when a hang occured Copied from dd_dump_dmesg(). Signed-off-by: Samuel Pitoiset Reviewed-by: Bas Nieuwenhuizen --- src/amd/vulkan/radv_debug.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'src/amd/vulkan/radv_debug.c') diff --git a/src/amd/vulkan/radv_debug.c b/src/amd/vulkan/radv_debug.c index c93ebf1c77a..ec43366de7d 100644 --- a/src/amd/vulkan/radv_debug.c +++ b/src/amd/vulkan/radv_debug.c @@ -563,6 +563,24 @@ radv_get_saved_compute_pipeline(struct radv_device *device) 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 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); compute_pipeline = radv_get_saved_compute_pipeline(device); + radv_dump_dmesg(stderr); + if (vm_fault_occurred) { fprintf(stderr, "VM fault report.\n\n"); fprintf(stderr, "Failing VM page: 0x%08"PRIx64"\n\n", addr); -- cgit v1.2.3