On Mon, 17 Dec 2007 15:29:43 +0100 Eric Dumazet <[EMAIL PROTECTED]> wrote:
> On Mon, 17 Dec 2007 09:55:04 +0100 > Eric Dumazet <[EMAIL PROTECTED]> wrote: > > > On Sun, 16 Dec 2007 22:00:23 -0500 (EST) > > Parag Warudkar <[EMAIL PROTECTED]> wrote: > > > > > In my quest to get the wake-ups from idle per second down to bare > > > minimum, > > > I noticed 3 places in the kernel that could benefit from > > > using init_timer_deferrable() instead of init_timer() - > > > > > > a) drivers/net/sky2.c - watchdog_timer. This was showing up high on > > > Powertop's list of things that cause routine wakeups from idle. After > > > converting to init_timer_deferrable() the wakeups went down and this one > > > no longer shows up in powertop's list. 25% reduction. This surprises me because it is a 1 hz timer and uses round_jiffies() in the current kernel. -- Stephen Hemminger <[EMAIL PROTECTED]> -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
