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852717ccc1
Bug 3384871 Change-Id: Ibc7be6d0a8985a87f70b352f2d9e5c233015c2a2 Signed-off-by: srajum <srajum@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2632438 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com> Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com> Reviewed-by: Ankur Kishore <ankkishore@nvidia.com> GVS: Gerrit_Virtual_Submit
78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
/*
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* Copyright (c) 2017-2022, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "debug_allocator.h"
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#include "os_linux.h"
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#include <linux/debugfs.h>
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#include <linux/seq_file.h>
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#include <nvgpu/allocator.h>
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static int __alloc_show(struct seq_file *s, void *unused)
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{
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struct nvgpu_allocator *a = s->private;
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nvgpu_alloc_print_stats(a, s, 1);
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return 0;
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}
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static int __alloc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, __alloc_show, inode->i_private);
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}
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static const struct file_operations __alloc_fops = {
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.open = __alloc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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void nvgpu_init_alloc_debug(struct gk20a *g, struct nvgpu_allocator *a)
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{
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struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
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if (!l->debugfs_allocators)
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return;
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a->debugfs_entry = debugfs_create_file(a->name, S_IRUGO,
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l->debugfs_allocators,
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a, &__alloc_fops);
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}
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void nvgpu_fini_alloc_debug(struct nvgpu_allocator *a)
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{
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struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(a->g);
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if (!l->debugfs_allocators)
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return;
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debugfs_remove(a->debugfs_entry);
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}
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void nvgpu_alloc_debugfs_init(struct gk20a *g)
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{
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struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
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l->debugfs_allocators = debugfs_create_dir("allocators", l->debugfs);
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if (IS_ERR_OR_NULL(l->debugfs_allocators)) {
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l->debugfs_allocators = NULL;
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return;
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}
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}
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