diff options
Diffstat (limited to 'kernel/rcu/tiny_plugin.h')
| -rw-r--r-- | kernel/rcu/tiny_plugin.h | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/kernel/rcu/tiny_plugin.h b/kernel/rcu/tiny_plugin.h index 371034e77f87..c642f23f1582 100644 --- a/kernel/rcu/tiny_plugin.h +++ b/kernel/rcu/tiny_plugin.h @@ -24,8 +24,6 @@ #include <linux/kthread.h> #include <linux/init.h> -#include <linux/debugfs.h> -#include <linux/seq_file.h> /* Global control variables for rcupdate callback mechanism. */ struct rcu_ctrlblk { @@ -87,49 +85,6 @@ static void rcu_trace_sub_qlen(struct rcu_ctrlblk *rcp, int n) local_irq_restore(flags); } -/* - * Dump statistics for TINY_RCU, such as they are. - */ -static int show_tiny_stats(struct seq_file *m, void *unused) -{ - seq_printf(m, "rcu_sched: qlen: %ld\n", rcu_sched_ctrlblk.qlen); - seq_printf(m, "rcu_bh: qlen: %ld\n", rcu_bh_ctrlblk.qlen); - return 0; -} - -static int show_tiny_stats_open(struct inode *inode, struct file *file) -{ - return single_open(file, show_tiny_stats, NULL); -} - -static const struct file_operations show_tiny_stats_fops = { - .owner = THIS_MODULE, - .open = show_tiny_stats_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static struct dentry *rcudir; - -static int __init rcutiny_trace_init(void) -{ - struct dentry *retval; - - rcudir = debugfs_create_dir("rcu", NULL); - if (!rcudir) - goto free_out; - retval = debugfs_create_file("rcudata", 0444, rcudir, - NULL, &show_tiny_stats_fops); - if (!retval) - goto free_out; - return 0; -free_out: - debugfs_remove_recursive(rcudir); - return 1; -} -device_initcall(rcutiny_trace_init); - static void check_cpu_stall(struct rcu_ctrlblk *rcp) { unsigned long j; |