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Date: Wed, 24 Dec 2008 16:06:57 -0800 From: Randy Dunlap <randy.dunlap@...cle.com> To: lkml <linux-kernel@...r.kernel.org> Cc: akpm <akpm@...ux-foundation.org>, Steven Rostedt <rostedt@...dmis.org>, Ingo Molnar <mingo@...e.hu> Subject: [PATCH] sysrq: fix ftrace help msg & doc. From: Randy Dunlap <randy.dunlap@...cle.com> We have a conventional method of explicitly stating the sysrq action key in a sysrq help message, so change dump-ftrace-buffer to use that method and add it to Documentation/sysrq.txt. Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com> cc: Steven Rostedt <rostedt@...dmis.org> cc: Ingo Molnar <mingo@...e.hu> --- Documentation/sysrq.txt | 2 ++ drivers/char/sysrq.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) --- mmotm-2008-1224-0120.orig/drivers/char/sysrq.c +++ mmotm-2008-1224-0120/drivers/char/sysrq.c @@ -283,7 +283,7 @@ static void sysrq_ftrace_dump(int key, s } static struct sysrq_key_op sysrq_ftrace_dump_op = { .handler = sysrq_ftrace_dump, - .help_msg = "dumpZ-ftrace-buffer", + .help_msg = "dump-ftrace-buffer(Z)", .action_msg = "Dump ftrace buffer", .enable_mask = SYSRQ_ENABLE_DUMP, }; --- mmotm-2008-1224-0120.orig/Documentation/sysrq.txt +++ mmotm-2008-1224-0120/Documentation/sysrq.txt @@ -114,6 +114,8 @@ On all - write a character to /proc/sys 'x' - Used by xmon interface on ppc/powerpc platforms. +'z' - Dump the ftrace buffer + '0'-'9' - Sets the console log level, controlling which kernel messages will be printed to your console. ('0', for example would make it so that only emergency messages like PANICs or OOPSes would -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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