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1// SPDX-License-Identifier: MIT2/* Copyright 2021 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: David Nieto23 * Roy Sun24 */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 44static 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 57void 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 drm_printf(p, "drm-shared-vram:\t%llu KiB\n", stats.vram_shared/1024UL);101 drm_printf(p, "drm-shared-gtt:\t%llu KiB\n", stats.gtt_shared/1024UL);102 drm_printf(p, "drm-shared-cpu:\t%llu KiB\n", stats.cpu_shared/1024UL);103 104 for (hw_ip = 0; hw_ip < AMDGPU_HW_IP_NUM; ++hw_ip) {105 if (!usage[hw_ip])106 continue;107 108 drm_printf(p, "drm-engine-%s:\t%lld ns\n", amdgpu_ip_name[hw_ip],109 ktime_to_ns(usage[hw_ip]));110 }111}112