OpenCloudOS-Kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c

112 lines
3.4 KiB
C

// 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 "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 amdgpu_fpriv *fpriv;
uint32_t bus, dev, fn, i, domain;
uint64_t vram_mem = 0, gtt_mem = 0, cpu_mem = 0;
struct drm_file *file = f->private_data;
struct amdgpu_device *adev = drm_to_adev(file->minor->dev);
struct amdgpu_bo *root;
int ret;
ret = amdgpu_file_to_fpriv(f, &fpriv);
if (ret)
return;
bus = adev->pdev->bus->number;
domain = pci_domain_nr(adev->pdev->bus);
dev = PCI_SLOT(adev->pdev->devfn);
fn = PCI_FUNC(adev->pdev->devfn);
root = amdgpu_bo_ref(fpriv->vm.root.bo);
if (!root)
return;
ret = amdgpu_bo_reserve(root, false);
if (ret) {
DRM_ERROR("Fail to reserve bo\n");
return;
}
amdgpu_vm_get_memory(&fpriv->vm, &vram_mem, &gtt_mem, &cpu_mem);
amdgpu_bo_unreserve(root);
amdgpu_bo_unref(&root);
seq_printf(m, "pdev:\t%04x:%02x:%02x.%d\npasid:\t%u\n", domain, bus,
dev, fn, fpriv->vm.pasid);
seq_printf(m, "vram mem:\t%llu kB\n", vram_mem/1024UL);
seq_printf(m, "gtt mem:\t%llu kB\n", gtt_mem/1024UL);
seq_printf(m, "cpu mem:\t%llu kB\n", cpu_mem/1024UL);
for (i = 0; i < AMDGPU_HW_IP_NUM; i++) {
uint32_t count = amdgpu_ctx_num_entities[i];
int idx = 0;
uint64_t total = 0, min = 0;
uint32_t perc, frac;
for (idx = 0; idx < count; idx++) {
total = amdgpu_ctx_mgr_fence_usage(&fpriv->ctx_mgr,
i, idx, &min);
if ((total == 0) || (min == 0))
continue;
perc = div64_u64(10000 * total, min);
frac = perc % 100;
seq_printf(m, "%s%d:\t%d.%d%%\n",
amdgpu_ip_name[i],
idx, perc/100, frac);
}
}
}