drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c

   1 // SPDX-License-Identifier: MIT
   2 /* Copyright 2021 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: David Nieto
  23  *          Roy Sun
  24  */
  25
  26 #include <linux/debugfs.h>
  27 #include <linux/list.h>
  28 #include <linux/module.h>
  29 #include <linux/uaccess.h>
  30 #include <linux/reboot.h>
  31 #include <linux/syscalls.h>
  32
  33 #include <drm/amdgpu_drm.h>
  34 #include <drm/drm_debugfs.h>
  35 #include <drm/drm_drv.h>
  36
  37 #include "amdgpu.h"
  38 #include "amdgpu_vm.h"
  39 #include "amdgpu_gem.h"
  40 #include "amdgpu_ctx.h"
  41 #include "amdgpu_fdinfo.h"
  42
  43
  44 static const char *amdgpu_ip_name[AMDGPU_HW_IP_NUM] = {
  45         [AMDGPU_HW_IP_GFX]      =       "gfx",
  46         [AMDGPU_HW_IP_COMPUTE]  =       "compute",
  47         [AMDGPU_HW_IP_DMA]      =       "dma",
  48         [AMDGPU_HW_IP_UVD]      =       "dec",
  49         [AMDGPU_HW_IP_VCE]      =       "enc",
  50         [AMDGPU_HW_IP_UVD_ENC]  =       "enc_1",
  51         [AMDGPU_HW_IP_VCN_DEC]  =       "dec",
  52         [AMDGPU_HW_IP_VCN_ENC]  =       "enc",
  53         [AMDGPU_HW_IP_VCN_JPEG] =       "jpeg",
  54         [AMDGPU_HW_IP_VPE]      =       "vpe",
  55 };
  56
  57 void amdgpu_show_fdinfo(struct drm_printer *p, struct drm_file *file)
  58 {
  59         struct amdgpu_fpriv *fpriv = file->driver_priv;
  60         struct amdgpu_vm *vm = &fpriv->vm;
  61
  62         struct amdgpu_mem_stats stats;
  63         ktime_t usage[AMDGPU_HW_IP_NUM];
  64         unsigned int hw_ip;
  65         int ret;
  66
  67         memset(&stats, 0, sizeof(stats));
  68
  69         ret = amdgpu_bo_reserve(vm->root.bo, false);
  70         if (ret)
  71                 return;
  72
  73         amdgpu_vm_get_memory(vm, &stats);
  74         amdgpu_bo_unreserve(vm->root.bo);
  75
  76         amdgpu_ctx_mgr_usage(&fpriv->ctx_mgr, usage);
  77
  78         /*
  79          * ******************************************************************
  80          * For text output format description please see drm-usage-stats.rst!
  81          * ******************************************************************
  82          */
  83
  84         drm_printf(p, "pasid:\t%u\n", fpriv->vm.pasid);
  85         drm_printf(p, "drm-memory-vram:\t%llu KiB\n", stats.vram/1024UL);
  86         drm_printf(p, "drm-memory-gtt: \t%llu KiB\n", stats.gtt/1024UL);
  87         drm_printf(p, "drm-memory-cpu: \t%llu KiB\n", stats.cpu/1024UL);
  88         drm_printf(p, "amd-memory-visible-vram:\t%llu KiB\n",
  89                    stats.visible_vram/1024UL);
  90         drm_printf(p, "amd-evicted-vram:\t%llu KiB\n",
  91                    stats.evicted_vram/1024UL);
  92         drm_printf(p, "amd-evicted-visible-vram:\t%llu KiB\n",
  93                    stats.evicted_visible_vram/1024UL);
  94         drm_printf(p, "amd-requested-vram:\t%llu KiB\n",
  95                    stats.requested_vram/1024UL);
  96         drm_printf(p, "amd-requested-visible-vram:\t%llu KiB\n",
  97                    stats.requested_visible_vram/1024UL);
  98         drm_printf(p, "amd-requested-gtt:\t%llu KiB\n",
  99                    stats.requested_gtt/1024UL);
 100         for (hw_ip = 0; hw_ip < AMDGPU_HW_IP_NUM; ++hw_ip) {
 101                 if (!usage[hw_ip])
 102                         continue;
 103
 104                 drm_printf(p, "drm-engine-%s:\t%lld ns\n", amdgpu_ip_name[hw_ip],
 105                            ktime_to_ns(usage[hw_ip]));
 106         }
 107 }