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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
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}
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
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};
55
56void amdgpu_show_fdinfo(struct seq_file *m, struct file *f)
57{
58 struct drm_file *file = f->private_data;
59 struct amdgpu_device *adev = drm_to_adev(file->minor->dev);
60 struct amdgpu_fpriv *fpriv = file->driver_priv;
61 struct amdgpu_vm *vm = &fpriv->vm;
62
63 uint64_t vram_mem = 0, gtt_mem = 0, cpu_mem = 0;
64 ktime_t usage[AMDGPU_HW_IP_NUM];
65 uint32_t bus, dev, fn, domain;
66 unsigned int hw_ip;
67 int ret;
68
69 bus = adev->pdev->bus->number;
70 domain = pci_domain_nr(adev->pdev->bus);
71 dev = PCI_SLOT(adev->pdev->devfn);
72 fn = PCI_FUNC(adev->pdev->devfn);
73
74 ret = amdgpu_bo_reserve(vm->root.bo, false);
75 if (ret)
76 return;
77
78 amdgpu_vm_get_memory(vm, &vram_mem, >t_mem, &cpu_mem);
79 amdgpu_bo_unreserve(vm->root.bo);
80
81 amdgpu_ctx_mgr_usage(&fpriv->ctx_mgr, usage);
82
83 /*
84 * ******************************************************************
85 * For text output format description please see drm-usage-stats.rst!
86 * ******************************************************************
87 */
88
89 seq_printf(m, "pasid:\t%u\n", fpriv->vm.pasid);
90 seq_printf(m, "drm-driver:\t%s\n", file->minor->dev->driver->name);
91 seq_printf(m, "drm-pdev:\t%04x:%02x:%02x.%d\n", domain, bus, dev, fn);
92 seq_printf(m, "drm-client-id:\t%Lu\n", vm->immediate.fence_context);
93 seq_printf(m, "drm-memory-vram:\t%llu KiB\n", vram_mem/1024UL);
94 seq_printf(m, "drm-memory-gtt: \t%llu KiB\n", gtt_mem/1024UL);
95 seq_printf(m, "drm-memory-cpu: \t%llu KiB\n", cpu_mem/1024UL);
96 for (hw_ip = 0; hw_ip < AMDGPU_HW_IP_NUM; ++hw_ip) {
97 if (!usage[hw_ip])
98 continue;
99
100 seq_printf(m, "drm-engine-%s:\t%Ld ns\n", amdgpu_ip_name[hw_ip],
101 ktime_to_ns(usage[hw_ip]));
102 }
103}