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 #include <drm/drm_file.h>
37
38 #include "amdgpu.h"
39 #include "amdgpu_vm.h"
40 #include "amdgpu_gem.h"
41 #include "amdgpu_ctx.h"
42 #include "amdgpu_fdinfo.h"
43
44
45 static const char *amdgpu_ip_name[AMDGPU_HW_IP_NUM] = {
46 [AMDGPU_HW_IP_GFX] = "gfx",
47 [AMDGPU_HW_IP_COMPUTE] = "compute",
48 [AMDGPU_HW_IP_DMA] = "dma",
49 [AMDGPU_HW_IP_UVD] = "dec",
50 [AMDGPU_HW_IP_VCE] = "enc",
51 [AMDGPU_HW_IP_UVD_ENC] = "enc_1",
52 [AMDGPU_HW_IP_VCN_DEC] = "dec",
53 [AMDGPU_HW_IP_VCN_ENC] = "enc",
54 [AMDGPU_HW_IP_VCN_JPEG] = "jpeg",
55 [AMDGPU_HW_IP_VPE] = "vpe",
56 };
57
amdgpu_show_fdinfo(struct drm_printer * p,struct drm_file * file)58 void amdgpu_show_fdinfo(struct drm_printer *p, struct drm_file *file)
59 {
60 struct amdgpu_fpriv *fpriv = file->driver_priv;
61 struct amdgpu_vm *vm = &fpriv->vm;
62
63 struct amdgpu_mem_stats stats[__AMDGPU_PL_NUM];
64 ktime_t usage[AMDGPU_HW_IP_NUM];
65 const char *pl_name[] = {
66 [TTM_PL_VRAM] = "vram",
67 [TTM_PL_TT] = "gtt",
68 [TTM_PL_SYSTEM] = "cpu",
69 [AMDGPU_PL_GDS] = "gds",
70 [AMDGPU_PL_GWS] = "gws",
71 [AMDGPU_PL_OA] = "oa",
72 [AMDGPU_PL_DOORBELL] = "doorbell",
73 };
74 unsigned int hw_ip, i;
75
76 amdgpu_vm_get_memory(vm, stats);
77 amdgpu_ctx_mgr_usage(&fpriv->ctx_mgr, usage);
78
79 /*
80 * ******************************************************************
81 * For text output format description please see drm-usage-stats.rst!
82 * ******************************************************************
83 */
84
85 drm_printf(p, "pasid:\t%u\n", fpriv->vm.pasid);
86
87 for (i = 0; i < ARRAY_SIZE(pl_name); i++) {
88 if (!pl_name[i])
89 continue;
90
91 drm_print_memory_stats(p,
92 &stats[i].drm,
93 DRM_GEM_OBJECT_RESIDENT |
94 DRM_GEM_OBJECT_PURGEABLE,
95 pl_name[i]);
96 }
97
98 /* Legacy amdgpu keys, alias to drm-resident-memory-: */
99 drm_printf(p, "drm-memory-vram:\t%llu KiB\n",
100 stats[TTM_PL_VRAM].drm.resident/1024UL);
101 drm_printf(p, "drm-memory-gtt: \t%llu KiB\n",
102 stats[TTM_PL_TT].drm.resident/1024UL);
103 drm_printf(p, "drm-memory-cpu: \t%llu KiB\n",
104 stats[TTM_PL_SYSTEM].drm.resident/1024UL);
105
106 /* Amdgpu specific memory accounting keys: */
107 drm_printf(p, "amd-evicted-vram:\t%llu KiB\n",
108 stats[TTM_PL_VRAM].evicted/1024UL);
109 drm_printf(p, "amd-requested-vram:\t%llu KiB\n",
110 (stats[TTM_PL_VRAM].drm.shared +
111 stats[TTM_PL_VRAM].drm.private) / 1024UL);
112 drm_printf(p, "amd-requested-gtt:\t%llu KiB\n",
113 (stats[TTM_PL_TT].drm.shared +
114 stats[TTM_PL_TT].drm.private) / 1024UL);
115
116 for (hw_ip = 0; hw_ip < AMDGPU_HW_IP_NUM; ++hw_ip) {
117 if (!usage[hw_ip])
118 continue;
119
120 drm_printf(p, "drm-engine-%s:\t%lld ns\n", amdgpu_ip_name[hw_ip],
121 ktime_to_ns(usage[hw_ip]));
122 }
123 }
124