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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | // SPDX-License-Identifier: MIT /* Copyright 2021 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: David Nieto * Roy Sun */ #include <linux/debugfs.h> #include <linux/list.h> #include <linux/module.h> #include <linux/uaccess.h> #include <linux/reboot.h> #include <linux/syscalls.h> #include <drm/amdgpu_drm.h> #include <drm/drm_debugfs.h> #include <drm/drm_drv.h> #include "amdgpu.h" #include "amdgpu_vm.h" #include "amdgpu_gem.h" #include "amdgpu_ctx.h" #include "amdgpu_fdinfo.h" static const char *amdgpu_ip_name[AMDGPU_HW_IP_NUM] = { [AMDGPU_HW_IP_GFX] = "gfx", [AMDGPU_HW_IP_COMPUTE] = "compute", [AMDGPU_HW_IP_DMA] = "dma", [AMDGPU_HW_IP_UVD] = "dec", [AMDGPU_HW_IP_VCE] = "enc", [AMDGPU_HW_IP_UVD_ENC] = "enc_1", [AMDGPU_HW_IP_VCN_DEC] = "dec", [AMDGPU_HW_IP_VCN_ENC] = "enc", [AMDGPU_HW_IP_VCN_JPEG] = "jpeg", }; void amdgpu_show_fdinfo(struct seq_file *m, struct file *f) { struct drm_file *file = f->private_data; struct amdgpu_device *adev = drm_to_adev(file->minor->dev); struct amdgpu_fpriv *fpriv = file->driver_priv; struct amdgpu_vm *vm = &fpriv->vm; uint64_t vram_mem = 0, gtt_mem = 0, cpu_mem = 0; ktime_t usage[AMDGPU_HW_IP_NUM]; uint32_t bus, dev, fn, domain; unsigned int hw_ip; int ret; bus = adev->pdev->bus->number; domain = pci_domain_nr(adev->pdev->bus); dev = PCI_SLOT(adev->pdev->devfn); fn = PCI_FUNC(adev->pdev->devfn); ret = amdgpu_bo_reserve(vm->root.bo, false); if (ret) return; amdgpu_vm_get_memory(vm, &vram_mem, >t_mem, &cpu_mem); amdgpu_bo_unreserve(vm->root.bo); amdgpu_ctx_mgr_usage(&fpriv->ctx_mgr, usage); /* * ****************************************************************** * For text output format description please see drm-usage-stats.rst! * ****************************************************************** */ seq_printf(m, "pasid:\t%u\n", fpriv->vm.pasid); seq_printf(m, "drm-driver:\t%s\n", file->minor->dev->driver->name); seq_printf(m, "drm-pdev:\t%04x:%02x:%02x.%d\n", domain, bus, dev, fn); seq_printf(m, "drm-client-id:\t%Lu\n", vm->immediate.fence_context); seq_printf(m, "drm-memory-vram:\t%llu KiB\n", vram_mem/1024UL); seq_printf(m, "drm-memory-gtt: \t%llu KiB\n", gtt_mem/1024UL); seq_printf(m, "drm-memory-cpu: \t%llu KiB\n", cpu_mem/1024UL); for (hw_ip = 0; hw_ip < AMDGPU_HW_IP_NUM; ++hw_ip) { if (!usage[hw_ip]) continue; seq_printf(m, "drm-engine-%s:\t%Ld ns\n", amdgpu_ip_name[hw_ip], ktime_to_ns(usage[hw_ip])); } } |