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Diffstat (limited to 'sys/kern/tty_outq.c')
-rw-r--r--sys/kern/tty_outq.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/sys/kern/tty_outq.c b/sys/kern/tty_outq.c
index f429a92..d5ed221 100644
--- a/sys/kern/tty_outq.c
+++ b/sys/kern/tty_outq.c
@@ -34,7 +34,6 @@ __FBSDID("$FreeBSD$");
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/queue.h>
-#include <sys/sysctl.h>
#include <sys/systm.h>
#include <sys/tty.h>
#include <sys/uio.h>
@@ -52,14 +51,6 @@ __FBSDID("$FreeBSD$");
* output.
*/
-/* Statistics. */
-static unsigned long ttyoutq_nfast = 0;
-SYSCTL_ULONG(_kern, OID_AUTO, tty_outq_nfast, CTLFLAG_RD,
- &ttyoutq_nfast, 0, "Unbuffered reads to userspace on output");
-static unsigned long ttyoutq_nslow = 0;
-SYSCTL_ULONG(_kern, OID_AUTO, tty_outq_nslow, CTLFLAG_RD,
- &ttyoutq_nslow, 0, "Buffered reads to userspace on output");
-
struct ttyoutq_block {
struct ttyoutq_block *tob_next;
char tob_data[TTYOUTQ_DATASIZE];
@@ -236,8 +227,6 @@ ttyoutq_read_uio(struct ttyoutq *to, struct tty *tp, struct uio *uio)
* the write pointer to a new block.
*/
if (cend == TTYOUTQ_DATASIZE || cend == to->to_end) {
- atomic_add_long(&ttyoutq_nfast, 1);
-
/*
* Fast path: zero copy. Remove the first block,
* so we can unlock the TTY temporarily.
@@ -258,7 +247,6 @@ ttyoutq_read_uio(struct ttyoutq *to, struct tty *tp, struct uio *uio)
TTYOUTQ_RECYCLE(to, tob);
} else {
char ob[TTYOUTQ_DATASIZE - 1];
- atomic_add_long(&ttyoutq_nslow, 1);
/*
* Slow path: store data in a temporary buffer.
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