radv: dump the list of enabled options when a hang occured

Useful to know which debug/perftest options were enabled when
a hang report is generated.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

src/amd/vulkan/radv_debug.c

@@ -581,6 +581,30 @@ radv_dump_dmesg(FILE *f)
 	pclose(p);
 }
 
+static void
+radv_dump_enabled_options(struct radv_device *device, FILE *f)
+{
+	uint64_t mask;
+
+	fprintf(f, "Enabled debug options: ");
+
+	mask = device->debug_flags;
+	while (mask) {
+		int i = u_bit_scan64(&mask);
+		fprintf(f, "%s, ", radv_get_debug_option_name(i));
+	}
+	fprintf(f, "\n");
+
+	fprintf(f, "Enabled perftest options: ");
+
+	mask = device->instance->perftest_flags;
+	while (mask) {
+		int i = u_bit_scan64(&mask);
+		fprintf(f, "%s, ", radv_get_perftest_option_name(i));
+	}
+	fprintf(f, "\n");
+}
+
 static bool
 radv_gpu_hang_occured(struct radv_queue *queue, enum ring_type ring)
 {
@@ -613,6 +637,7 @@ 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_enabled_options(device, stderr);
 	radv_dump_dmesg(stderr);
 
 	if (vm_fault_occurred) {

src/amd/vulkan/radv_device.c

@@ -417,12 +417,26 @@ static const struct debug_control radv_debug_options[] = {
 	{NULL, 0}
 };
 
+const char *
+radv_get_debug_option_name(int id)
+{
+	assert(id < ARRAY_SIZE(radv_debug_options) - 1);
+	return radv_debug_options[id].string;
+}
+
 static const struct debug_control radv_perftest_options[] = {
 	{"nobatchchain", RADV_PERFTEST_NO_BATCHCHAIN},
 	{"sisched", RADV_PERFTEST_SISCHED},
 	{NULL, 0}
 };
 
+const char *
+radv_get_perftest_option_name(int id)
+{
+	assert(id < ARRAY_SIZE(radv_debug_options) - 1);
+	return radv_perftest_options[id].string;
+}
+
 VkResult radv_CreateInstance(
 	const VkInstanceCreateInfo*                 pCreateInfo,
 	const VkAllocationCallbacks*                pAllocator,

src/amd/vulkan/radv_private.h

@@ -744,6 +744,13 @@ extern const struct radv_dynamic_state default_dynamic_state;
 void radv_dynamic_state_copy(struct radv_dynamic_state *dest,
 			     const struct radv_dynamic_state *src,
 			     uint32_t copy_mask);
+
+const char *
+radv_get_debug_option_name(int id);
+
+const char *
+radv_get_perftest_option_name(int id);
+
 /**
  * Attachment state when recording a renderpass instance.
  *