diff options
Diffstat (limited to 'drivers/gpu/nvgpu/common/linux/debug_sched.c')
-rw-r--r-- | drivers/gpu/nvgpu/common/linux/debug_sched.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/common/linux/debug_sched.c b/drivers/gpu/nvgpu/common/linux/debug_sched.c new file mode 100644 index 00000000..5b7cbddf --- /dev/null +++ b/drivers/gpu/nvgpu/common/linux/debug_sched.c | |||
@@ -0,0 +1,80 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2017 NVIDIA Corporation. All rights reserved. | ||
3 | * | ||
4 | * This software is licensed under the terms of the GNU General Public | ||
5 | * License version 2, as published by the Free Software Foundation, and | ||
6 | * may be copied, distributed, and modified under those terms. | ||
7 | * | ||
8 | * This program is distributed in the hope that it will be useful, | ||
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
11 | * GNU General Public License for more details. | ||
12 | * | ||
13 | */ | ||
14 | |||
15 | #include "debug_sched.h" | ||
16 | #include "os_linux.h" | ||
17 | |||
18 | #include <linux/debugfs.h> | ||
19 | #include <linux/seq_file.h> | ||
20 | |||
21 | static int gk20a_sched_debugfs_show(struct seq_file *s, void *unused) | ||
22 | { | ||
23 | struct gk20a *g = s->private; | ||
24 | struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g); | ||
25 | struct gk20a_sched_ctrl *sched = &l->sched_ctrl; | ||
26 | bool sched_busy = true; | ||
27 | |||
28 | int n = sched->bitmap_size / sizeof(u64); | ||
29 | int i; | ||
30 | int err; | ||
31 | |||
32 | err = gk20a_busy(g); | ||
33 | if (err) | ||
34 | return err; | ||
35 | |||
36 | if (nvgpu_mutex_tryacquire(&sched->busy_lock)) { | ||
37 | sched_busy = false; | ||
38 | nvgpu_mutex_release(&sched->busy_lock); | ||
39 | } | ||
40 | |||
41 | seq_printf(s, "control_locked=%d\n", sched->control_locked); | ||
42 | seq_printf(s, "busy=%d\n", sched_busy); | ||
43 | seq_printf(s, "bitmap_size=%zu\n", sched->bitmap_size); | ||
44 | |||
45 | nvgpu_mutex_acquire(&sched->status_lock); | ||
46 | |||
47 | seq_puts(s, "active_tsg_bitmap\n"); | ||
48 | for (i = 0; i < n; i++) | ||
49 | seq_printf(s, "\t0x%016llx\n", sched->active_tsg_bitmap[i]); | ||
50 | |||
51 | seq_puts(s, "recent_tsg_bitmap\n"); | ||
52 | for (i = 0; i < n; i++) | ||
53 | seq_printf(s, "\t0x%016llx\n", sched->recent_tsg_bitmap[i]); | ||
54 | |||
55 | nvgpu_mutex_release(&sched->status_lock); | ||
56 | |||
57 | gk20a_idle(g); | ||
58 | |||
59 | return 0; | ||
60 | } | ||
61 | |||
62 | static int gk20a_sched_debugfs_open(struct inode *inode, struct file *file) | ||
63 | { | ||
64 | return single_open(file, gk20a_sched_debugfs_show, inode->i_private); | ||
65 | } | ||
66 | |||
67 | static const struct file_operations gk20a_sched_debugfs_fops = { | ||
68 | .open = gk20a_sched_debugfs_open, | ||
69 | .read = seq_read, | ||
70 | .llseek = seq_lseek, | ||
71 | .release = single_release, | ||
72 | }; | ||
73 | |||
74 | void gk20a_sched_debugfs_init(struct gk20a *g) | ||
75 | { | ||
76 | struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g); | ||
77 | |||
78 | debugfs_create_file("sched_ctrl", S_IRUGO, l->debugfs, | ||
79 | g, &gk20a_sched_debugfs_fops); | ||
80 | } | ||