src/amd/vulkan/radv_debug.c

   1 /*
   2  * Copyright © 2016 Red Hat.
   3  * Copyright © 2016 Bas Nieuwenhuizen
   4  *
   5  * based in part on anv driver which is:
   6  * Copyright © 2015 Intel Corporation
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the next
  16  * paragraph) shall be included in all copies or substantial portions of the
  17  * Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  24  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  25  * IN THE SOFTWARE.
  26  */
  27
  28 #include <stdlib.h>
  29 #include <stdio.h>
  30
  31 #include "ac_debug.h"
  32 #include "radv_debug.h"
  33 #include "radv_shader.h"
  34
  35 #define TRACE_BO_SIZE 4096
  36
  37 bool
  38 radv_init_trace(struct radv_device *device)
  39 {
  40         struct radeon_winsys *ws = device->ws;
  41
  42         device->trace_bo = ws->buffer_create(ws, TRACE_BO_SIZE, 8,
  43                                              RADEON_DOMAIN_VRAM,
  44                                              RADEON_FLAG_CPU_ACCESS);
  45         if (!device->trace_bo)
  46                 return false;
  47
  48         device->trace_id_ptr = ws->buffer_map(device->trace_bo);
  49         if (!device->trace_id_ptr)
  50                 return false;
  51
  52         memset(device->trace_id_ptr, 0, TRACE_BO_SIZE);
  53
  54         ac_vm_fault_occured(device->physical_device->rad_info.chip_class,
  55                             &device->dmesg_timestamp, NULL);
  56
  57         return true;
  58 }
  59
  60 static void
  61 radv_dump_trace(struct radv_device *device, struct radeon_winsys_cs *cs)
  62 {
  63         const char *filename = getenv("RADV_TRACE_FILE");
  64         FILE *f = fopen(filename, "w");
  65
  66         if (!f) {
  67                 fprintf(stderr, "Failed to write trace dump to %s\n", filename);
  68                 return;
  69         }
  70
  71         fprintf(f, "Trace ID: %x\n", *device->trace_id_ptr);
  72         device->ws->cs_dump(cs, f, (const int*)device->trace_id_ptr, 2);
  73         fclose(f);
  74 }
  75
  76 static bool
  77 radv_gpu_hang_occured(struct radv_queue *queue)
  78 {
  79         struct radeon_winsys *ws = queue->device->ws;
  80         enum ring_type ring;
  81
  82         ring = radv_queue_family_to_ring(queue->queue_family_index);
  83
  84         if (!ws->ctx_wait_idle(queue->hw_ctx, ring, queue->queue_idx))
  85                 return true;
  86
  87         return false;
  88 }
  89
  90 void
  91 radv_check_gpu_hangs(struct radv_queue *queue, struct radeon_winsys_cs *cs)
  92 {
  93         struct radv_device *device = queue->device;
  94         uint64_t addr;
  95
  96         bool hang_occurred = radv_gpu_hang_occured(queue);
  97         bool vm_fault_occurred = false;
  98         if (queue->device->instance->debug_flags & RADV_DEBUG_VM_FAULTS)
  99                 vm_fault_occurred = ac_vm_fault_occured(device->physical_device->rad_info.chip_class,
 100                                                         &device->dmesg_timestamp, &addr);
 101         if (!hang_occurred && !vm_fault_occurred)
 102                 return;
 103
 104         if (vm_fault_occurred) {
 105                 fprintf(stderr, "VM fault report.\n\n");
 106                 fprintf(stderr, "Failing VM page: 0x%08"PRIx64"\n\n", addr);
 107         }
 108
 109         radv_dump_trace(queue->device, cs);
 110         abort();
 111 }
 112
 113 void
 114 radv_print_spirv(struct radv_shader_module *module, FILE *fp)
 115 {
 116         char path[] = "/tmp/fileXXXXXX";
 117         char line[2048], command[128];
 118         FILE *p;
 119         int fd;
 120
 121         /* Dump the binary into a temporary file. */
 122         fd = mkstemp(path);
 123         if (fd < 0)
 124                 return;
 125
 126         if (write(fd, module->data, module->size) == -1)
 127                 goto fail;
 128
 129         sprintf(command, "spirv-dis %s", path);
 130
 131         /* Disassemble using spirv-dis if installed. */
 132         p = popen(command, "r");
 133         if (p) {
 134                 while (fgets(line, sizeof(line), p))
 135                         fprintf(fp, "%s", line);
 136                 pclose(p);
 137         }
 138
 139 fail:
 140         close(fd);
 141         unlink(path);
 142 }