Messages in this thread | | | From | SeongJae Park <> | Subject | Re: [PATCH] mm/damon: Add option to monitor only writes | Date | Mon, 7 Feb 2022 08:16:25 +0000 |
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On Fri, 4 Feb 2022 12:11:44 -0300 Pedro Gomes <pedrodemargomes@gmail.com> wrote:
> On Thu, Feb 3, 2022 at 10:39 AM SeongJae Park <sj@kernel.org> wrote: > > > I think this would be better to be implemented as another monitoring primitive > > based on the virtual address space monitoring primitives, e.g., vaddr-writes? > > Then the implementation would be simpler and changes to other files will be > > minimized. For the user space interface, we could use a prefix to target_ids > > debugfs file. For example, > > > > # echo "vaddr-writes $(pidof workload)" > $debugfs/damon/target_ids > > I will do that.
Thanks!
> > > > This patch also adds the actions mergeable and unmergeable to damos schemes. > > > These actions are used by KSM as explained in [1]. > > > > Please do that in a separate patch, and also update the document > > (Documentation/admin-guide/mm/damon/usage.rst). And, what's the expected usage > > of the action and benefits? > > The idea is to use this action to all areas that are not written too frequently, > this way KSM can save more memory without too much overhead. > But I have to test it better and collect some data to see if it really > makes sense, > perhaps it is better to leave this patch for later. > I would like to know your opinion on this, do you think it makes sense?
Yes, that idea makes sense to me :)
Thanks, SJ
> > > -- > Atenciosamente, > Pedro Demarchi Gomes.
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