Files
linux-nvgpu/drivers/gpu/nvgpu/os/linux/debug_sched.c
srajum 852717ccc1 gpu: nvgpu: add GPLv2 license to OS-specific code for linux
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
2022-02-09 20:50:21 -08:00

83 lines
2.2 KiB
C

/*
* Copyright (c) 2017-2022, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "debug_sched.h"
#include "os_linux.h"
#include <nvgpu/nvgpu_init.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
static int gk20a_sched_debugfs_show(struct seq_file *s, void *unused)
{
struct gk20a *g = s->private;
struct nvgpu_sched_ctrl *sched = &g->sched_ctrl;
bool sched_busy = true;
int n = sched->bitmap_size / sizeof(u64);
int i;
int err;
err = gk20a_busy(g);
if (err)
return err;
if (nvgpu_mutex_tryacquire(&sched->busy_lock)) {
sched_busy = false;
nvgpu_mutex_release(&sched->busy_lock);
}
seq_printf(s, "control_locked=%d\n", sched->control_locked);
seq_printf(s, "busy=%d\n", sched_busy);
seq_printf(s, "bitmap_size=%zu\n", sched->bitmap_size);
nvgpu_mutex_acquire(&sched->status_lock);
seq_puts(s, "active_tsg_bitmap\n");
for (i = 0; i < n; i++)
seq_printf(s, "\t0x%016llx\n", sched->active_tsg_bitmap[i]);
seq_puts(s, "recent_tsg_bitmap\n");
for (i = 0; i < n; i++)
seq_printf(s, "\t0x%016llx\n", sched->recent_tsg_bitmap[i]);
nvgpu_mutex_release(&sched->status_lock);
gk20a_idle(g);
return 0;
}
static int gk20a_sched_debugfs_open(struct inode *inode, struct file *file)
{
return single_open(file, gk20a_sched_debugfs_show, inode->i_private);
}
static const struct file_operations gk20a_sched_debugfs_fops = {
.open = gk20a_sched_debugfs_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
void gk20a_sched_debugfs_init(struct gk20a *g)
{
struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
debugfs_create_file("sched_ctrl", S_IRUGO, l->debugfs,
g, &gk20a_sched_debugfs_fops);
}