summaryrefslogtreecommitdiffstats
path: root/kernel/rcu/tiny_plugin.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/rcu/tiny_plugin.h')
-rw-r--r--kernel/rcu/tiny_plugin.h45
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;