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/*
* Copyright (C) 2017 NVIDIA Corporation. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include "debug_allocator.h"
#include "gk20a/platform_gk20a.h"
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <nvgpu/allocator.h>
u32 nvgpu_alloc_tracing_on;
void nvgpu_alloc_print_stats(struct nvgpu_allocator *__a,
struct seq_file *s, int lock)
{
__a->ops->print_stats(__a, s, lock);
}
static int __alloc_show(struct seq_file *s, void *unused)
{
struct nvgpu_allocator *a = s->private;
nvgpu_alloc_print_stats(a, s, 1);
return 0;
}
static int __alloc_open(struct inode *inode, struct file *file)
{
return single_open(file, __alloc_show, inode->i_private);
}
static const struct file_operations __alloc_fops = {
.open = __alloc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
void nvgpu_init_alloc_debug(struct gk20a *g, struct nvgpu_allocator *a)
{
if (!g->debugfs_allocators)
return;
a->debugfs_entry = debugfs_create_file(a->name, S_IRUGO,
g->debugfs_allocators,
a, &__alloc_fops);
}
void nvgpu_fini_alloc_debug(struct nvgpu_allocator *a)
{
if (!IS_ERR_OR_NULL(a->debugfs_entry))
debugfs_remove(a->debugfs_entry);
}
void nvgpu_alloc_debugfs_init(struct gk20a *g)
{
struct gk20a_platform *platform = dev_get_drvdata(g->dev);
g->debugfs_allocators = debugfs_create_dir("allocators", platform->debugfs);
if (IS_ERR_OR_NULL(g->debugfs_allocators)) {
g->debugfs_allocators = NULL;
return;
}
debugfs_create_u32("tracing", 0664, g->debugfs_allocators,
&nvgpu_alloc_tracing_on);
}
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