diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c | 104 | 
1 files changed, 104 insertions, 0 deletions
| diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c new file mode 100644 index 000000000000..dbebbe16e3b3 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fdinfo.c @@ -0,0 +1,104 @@ +// 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); +	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); + +	ret = amdgpu_bo_reserve(fpriv->vm.root.base.bo, false); +	if (ret) { +		DRM_ERROR("Fail to reserve bo\n"); +		return; +	} +	amdgpu_vm_get_memory(&fpriv->vm, &vram_mem, >t_mem, &cpu_mem); +	amdgpu_bo_unreserve(fpriv->vm.root.base.bo); +	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); +		} +	} +} |