// 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 <drm/drm_file.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" ,
[AMDGPU_HW_IP_VPE] = "vpe" ,
};
void amdgpu_show_fdinfo(struct drm_printer *p, struct drm_file *file)
{
struct amdgpu_fpriv *fpriv = file->driver_priv;
struct amdgpu_vm *vm = &fpriv->vm;
struct amdgpu_mem_stats stats[__AMDGPU_PL_NUM];
ktime_t usage[AMDGPU_HW_IP_NUM];
const char *pl_name[] = {
[TTM_PL_VRAM] = "vram" ,
[TTM_PL_TT] = "gtt" ,
[TTM_PL_SYSTEM] = "cpu" ,
[AMDGPU_PL_GDS] = "gds" ,
[AMDGPU_PL_GWS] = "gws" ,
[AMDGPU_PL_OA] = "oa" ,
[AMDGPU_PL_DOORBELL] = "doorbell" ,
};
unsigned int hw_ip, i;
amdgpu_vm_get_memory(vm, stats);
amdgpu_ctx_mgr_usage(&fpriv->ctx_mgr, usage);
/*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* For text output format description please see drm - usage - stats . rst !
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*/
drm_printf(p, "pasid:\t%u\n" , fpriv->vm.pasid);
for (i = 0 ; i < ARRAY_SIZE(pl_name); i++) {
if (!pl_name[i])
continue ;
drm_print_memory_stats(p,
&stats[i].drm,
DRM_GEM_OBJECT_RESIDENT |
DRM_GEM_OBJECT_PURGEABLE,
pl_name[i]);
}
/* Legacy amdgpu keys, alias to drm-resident-memory-: */
drm_printf(p, "drm-memory-vram:\t%llu KiB\n" ,
stats[TTM_PL_VRAM].drm.resident/1024 UL);
drm_printf(p, "drm-memory-gtt: \t%llu KiB\n" ,
stats[TTM_PL_TT].drm.resident/1024 UL);
drm_printf(p, "drm-memory-cpu: \t%llu KiB\n" ,
stats[TTM_PL_SYSTEM].drm.resident/1024 UL);
/* Amdgpu specific memory accounting keys: */
drm_printf(p, "amd-evicted-vram:\t%llu KiB\n" ,
stats[TTM_PL_VRAM].evicted/1024 UL);
drm_printf(p, "amd-requested-vram:\t%llu KiB\n" ,
(stats[TTM_PL_VRAM].drm.shared +
stats[TTM_PL_VRAM].drm.private ) / 1024 UL);
drm_printf(p, "amd-requested-gtt:\t%llu KiB\n" ,
(stats[TTM_PL_TT].drm.shared +
stats[TTM_PL_TT].drm.private ) / 1024 UL);
for (hw_ip = 0 ; hw_ip < AMDGPU_HW_IP_NUM; ++hw_ip) {
if (!usage[hw_ip])
continue ;
drm_printf(p, "drm-engine-%s:\t%lld ns\n" , amdgpu_ip_name[hw_ip],
ktime_to_ns(usage[hw_ip]));
}
}
Messung V0.5 in Prozent C=96 H=81 G=88
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-02)
¤
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