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-rw-r--r--toys/dmesg.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/toys/dmesg.c b/toys/dmesg.c
index 82fa0c39..a16b8d01 100644
--- a/toys/dmesg.c
+++ b/toys/dmesg.c
@@ -1,11 +1,23 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* dmesg.c - display/control kernel ring buffer.
*
* Copyright 2006, 2007 Rob Landley <rob@landley.net>
*
* Not in SUSv3.
- */
+
+config DMESG
+ bool "dmesg"
+ default y
+ help
+ usage: dmesg [-n level] [-s bufsize] | -c
+
+ Print or control the kernel ring buffer.
+
+ -n Set kernel logging level (1-9).
+ -s Size of buffer to read (in bytes), default 16384.
+ -c Clear the ring buffer after printing.
+*/
#include "toys.h"
#include <sys/klog.h>