On Thu, Oct 18, 2012 at 10:25 AM, Zheng Liu <gnehzuil....@gmail.com> wrote: > On Wed, Oct 17, 2012 at 02:34:15PM +0800, Zhi Yong Wu wrote: >> >> diff --git a/fs/hot_tracking.h b/fs/hot_tracking.h >> >> index d19e64a..7a79a6d 100644 >> >> --- a/fs/hot_tracking.h >> >> +++ b/fs/hot_tracking.h >> >> @@ -36,6 +36,9 @@ >> >> */ >> >> #define TIME_TO_KICK 400 >> >> >> >> +/* set how often to update temperatures (seconds) */ >> >> +#define HEAT_UPDATE_DELAY 400 >> > >> > FWIW, 400 seconds is an unusual time period. It's expected that >> > periodic work might take place at intervals of 5 minutes, 10 >> > minutes, etc, not 6m40s. It's much easier to predict and understand >> > behaviour if it's at a interval of whole units like minutes, >> > especially when looking at timestamped event traces. Hence 300s (5 >> > minutes) makes a lot more sense as a period for updates... >> got it. thanks. > > Hi Zhi Yong, > > IMHO we'd better to make this value parameterized, and then the user > can adjust this value dynamically. Yeah, this has been in my TODO list. But i want to make the core function can work at first.
> > Regards, > Zheng -- Regards, Zhi Yong Wu -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
