Re: CONFIG_PRINTK_TIME woes

[Andrew Morton <akpm@osdl.org>]

Andrew Morton <akpm@osdl.org> wrote:
>
> How about we give each arch a printk_clock()?

Which might be as simple as this..


--- devel/kernel/printk.c~printk_clock	2005-08-21 02:14:05.000000000 -0700
+++ devel-akpm/kernel/printk.c	2005-08-21 02:15:14.000000000 -0700
@@ -488,6 +488,11 @@ static int __init printk_time_setup(char
 
 __setup("time", printk_time_setup);
 
+__attribute__((weak)) unsigned long long printk_clock(void)
+{
+	return sched_clock();
+}
+
 /*
  * This is printk.  It can be called from any context.  We want it to work.
  * 
@@ -558,7 +563,7 @@ asmlinkage int vprintk(const char *fmt, 
 					loglev_char = default_message_loglevel
 						+ '0';
 				}
-				t = sched_clock();
+				t = printk_clock();
 				nanosec_rem = do_div(t, 1000000000);
 				tlen = sprintf(tbuf,
 						"<%c>[%5lu.%06lu] ",
_