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[__AMDGPU_PL_LAST + 1] = { }; 63 ktime_t usage[AMDGPU_HW_IP_NUM]; 64 const char *pl_name[] = { 65 [TTM_PL_VRAM] = "vram", 66 [TTM_PL_TT] = "gtt", 67 [TTM_PL_SYSTEM] = "cpu", 68 }; 69 unsigned int hw_ip, i; 70 int ret; 71 72 ret = amdgpu_bo_reserve(vm->root.bo, false); 73 if (ret) 74 return; 75 76 amdgpu_vm_get_memory(vm, stats, ARRAY_SIZE(stats)); 77 amdgpu_bo_unreserve(vm->root.bo); 78 79 amdgpu_ctx_mgr_usage(&fpriv->ctx_mgr, usage); 80 81 /* 82 * ****************************************************************** 83 * For text output format description please see drm-usage-stats.rst! 84 * ****************************************************************** 85 */ 86 87 drm_printf(p, "pasid:\t%u\n", fpriv->vm.pasid); 88 89 for (i = 0; i < TTM_PL_PRIV; i++) 90 drm_print_memory_stats(p, 91 &stats[i].drm, 92 DRM_GEM_OBJECT_RESIDENT | 93 DRM_GEM_OBJECT_PURGEABLE, 94 pl_name[i]); 95 96 /* Legacy amdgpu keys, alias to drm-resident-memory-: */ 97 drm_printf(p, "drm-memory-vram:\t%llu KiB\n", 98 stats[TTM_PL_VRAM].total/1024UL); 99 drm_printf(p, "drm-memory-gtt: \t%llu KiB\n", 100 stats[TTM_PL_TT].total/1024UL); 101 drm_printf(p, "drm-memory-cpu: \t%llu KiB\n", 102 stats[TTM_PL_SYSTEM].total/1024UL); 103 104 /* Amdgpu specific memory accounting keys: */ 105 drm_printf(p, "amd-memory-visible-vram:\t%llu KiB\n", 106 stats[TTM_PL_VRAM].visible/1024UL); 107 drm_printf(p, "amd-evicted-vram:\t%llu KiB\n", 108 stats[TTM_PL_VRAM].evicted/1024UL); 109 drm_printf(p, "amd-evicted-visible-vram:\t%llu KiB\n", 110 stats[TTM_PL_VRAM].evicted_visible/1024UL); 111 drm_printf(p, "amd-requested-vram:\t%llu KiB\n", 112 stats[TTM_PL_VRAM].requested/1024UL); 113 drm_printf(p, "amd-requested-visible-vram:\t%llu KiB\n", 114 stats[TTM_PL_VRAM].requested_visible/1024UL); 115 drm_printf(p, "amd-requested-gtt:\t%llu KiB\n", 116 stats[TTM_PL_TT].requested/1024UL); 117 118 for (hw_ip = 0; hw_ip < AMDGPU_HW_IP_NUM; ++hw_ip) { 119 if (!usage[hw_ip]) 120 continue; 121 122 drm_printf(p, "drm-engine-%s:\t%lld ns\n", amdgpu_ip_name[hw_ip], 123 ktime_to_ns(usage[hw_ip])); 124 } 125 } 126