From: Andrew Morton <akpm@osdl.org>
To: "David S. Miller" <davem@davemloft.net>
Cc: jasonuhl@sgi.com, tony.luck@intel.com, linux-kernel@vger.kernel.org
Subject: Re: CONFIG_PRINTK_TIME woes
Date: Mon, 22 Aug 2005 14:15:55 -0700 [thread overview]
Message-ID: <20050822141555.55276f3a.akpm@osdl.org> (raw)
In-Reply-To: <20050822.134226.35468933.davem@davemloft.net>
"David S. Miller" <davem@davemloft.net> wrote:
>
> I really do need sub-microsecond timings when I put a lot of
> printk tracing into the stack.
How fast is printk? I haven't looked.
ie: if you do back-to-back printk's, what's the timestamp increment?
next prev parent reply other threads:[~2005-08-22 21:13 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-18 18:47 Luck, Tony
2005-08-21 9:13 ` Andrew Morton
2005-08-21 9:16 ` Andrew Morton
2005-08-21 9:27 ` Nick Piggin
2005-08-21 9:32 ` Andrew Morton
2005-08-21 11:25 ` Nick Piggin
2005-08-21 18:01 ` Andrew Morton
2005-08-24 0:04 ` Tim Bird
2005-08-22 17:42 ` tony.luck
2005-08-22 17:50 ` Andrew Morton
2005-08-22 20:52 ` tony.luck
2005-08-22 20:20 ` David S. Miller
2005-08-22 20:33 ` Jason Uhlenkott
2005-08-22 20:42 ` David S. Miller
2005-08-22 21:10 ` tony.luck
2005-08-22 21:15 ` Andrew Morton [this message]
2005-08-22 22:33 ` tony.luck
2005-08-22 22:38 ` Andrew Morton
2005-08-22 23:27 ` tony.luck
2005-08-23 1:52 ` Paul Mackerras
2005-08-23 15:01 ` Nick Piggin
2005-08-24 0:36 ` Tim Bird
2005-08-23 7:18 ` Tony Lindgren
2005-08-23 14:07 Luck, Tony
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