Re: [PATCH] writeback: trace global_dirty_state

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Jun 13, 2011 at 10:33:56PM +0800, Jan Kara wrote:
> On Fri 10-06-11 22:48:05, Wu Fengguang wrote:
> > [It seems beneficial to queue this simple trace event for
> >  next/upstream after the review?]
> > 
> > Add trace event balance_dirty_state for showing the global dirty page
> > counts and thresholds at each global_dirty_limits() invocation.  This
> > will cover the callers throttle_vm_writeout(), over_bground_thresh()
> > and each balance_dirty_pages() loop.
>   OK, this might be useful. But shouldn't we also add similar trace point
> for bdi limits? Otherwise the information is of limited use...

Good point. The bdi limits will be exported in another
balance_dirty_pages trace point.

Thanks,
Fengguang

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxxx  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>


[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]