From 24bdeb4598b9560c8ffecb8ba5cefa01f3a12a54 Mon Sep 17 00:00:00 2001
From: Andi Kleen <andi@firstfloor.org>
Date: Sat, 18 Oct 2008 20:27:27 -0700
Subject: [PATCH] Fix documentation of sysrq-q
I fell into the trap recently that it only dumps hrtimers instead of
all timers. Fix the documentation.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: torvalds@linux-foundation.org
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
Documentation/sysrq.txt | 3 ++-
drivers/char/sysrq.c | 2 +-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/Documentation/sysrq.txt b/Documentation/sysrq.txt
index 5ce0952aa065..49378a9f2b5f 100644
--- a/Documentation/sysrq.txt
+++ b/Documentation/sysrq.txt
@@ -95,7 +95,8 @@ On all - write a character to /proc/sysrq-trigger. e.g.:
'p' - Will dump the current registers and flags to your console.
-'q' - Will dump a list of all running timers.
+'q' - Will dump a list of all running hrtimers.
+ WARNING: Does not cover any other timers
'r' - Turns off keyboard raw mode and sets it to XLATE.
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index dce4cc0e6953..d0c0d64ed366 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -168,7 +168,7 @@ static void sysrq_handle_show_timers(int key, struct tty_struct *tty)
static struct sysrq_key_op sysrq_show_timers_op = {
.handler = sysrq_handle_show_timers,
.help_msg = "show-all-timers(Q)",
- .action_msg = "Show Pending Timers",
+ .action_msg = "Show pending hrtimers (no others)",
};
static void sysrq_handle_mountro(int key, struct tty_struct *tty)
--
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