On Fri, Oct 19, 2012 at 12:36:00PM -0700, Tejun Heo wrote:
> Hello, Vivek.
>
> On Fri, Oct 19, 2012 at 11:00:11AM -0400, Vivek Goyal wrote:
> > > That way we can stick to the usual stats facility.
> >
> > So how does this help? Because it is a monotonically increasing value
> > we can use per cpu
Hello, Vivek.
On Fri, Oct 19, 2012 at 11:00:11AM -0400, Vivek Goyal wrote:
> > That way we can stick to the usual stats facility.
>
> So how does this help? Because it is a monotonically increasing value
> we can use per cpu stats without extra locking? Or somthing else?
It's generally much simp
On Thu, Oct 18, 2012 at 04:24:04PM -0700, Tejun Heo wrote:
> Hello, Vivek.
>
> On Wed, Oct 17, 2012 at 09:49:45AM -0400, Vivek Goyal wrote:
> > Can you explain a bit more. Whe do you mean by "total number queued". I
> > think throttle.io_queued will total number of bios queued in the cgroup
> > at
Hello, Vivek.
On Wed, Oct 17, 2012 at 09:49:45AM -0400, Vivek Goyal wrote:
> Can you explain a bit more. Whe do you mean by "total number queued". I
> think throttle.io_queued will total number of bios queued in the cgroup
> at the time of query.
Instead of exposing the number that blk-throttle c
On Tue, Oct 16, 2012 at 04:27:06PM -0700, Tejun Heo wrote:
[..]
> > Changelog from v2:
> > Use nr-queued[] of struct throtl_grp for stats instaed of adding new
> > blkg_rwstat.
>
> As I wrote last time, I would prefer exposing the total number queued
> to blk-throttle rather than exposing th
Hello, Robin.
On Tue, Oct 09, 2012 at 02:53:45PM +0800, Robin Dong wrote:
> Currently, if the IO is throttled by io-throttle, the SA has no idea of
> the situation and can't report it to the real application user about
Please don't use "SA" in the commit message. Just write it out as
"system adm
On Tue, Oct 09, 2012 at 02:53:45PM +0800, Robin Dong wrote:
> From: Robin Dong
>
> Currently, if the IO is throttled by io-throttle, the SA has no idea of
> the situation and can't report it to the real application user about
> that he/she has to do something. So this patch adds a new interface
>
From: Robin Dong
Currently, if the IO is throttled by io-throttle, the SA has no idea of
the situation and can't report it to the real application user about
that he/she has to do something. So this patch adds a new interface
named blkio.throttle.io_queued which indicates how many IOs are
current
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