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 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