Re: [PATCH] mm: introduce clear all vm events counters

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On Mon, Mar 01, 2021 at 04:19:26PM +0530, Pintu Kumar wrote:
> At times there is a need to regularly monitor vm counters while we
> reproduce some issue, or it could be as simple as gathering some system
> statistics when we run some scenario and every time we like to start from
> beginning.
> The current steps are:
> Dump /proc/vmstat
> Run some scenario
> Dump /proc/vmstat again
> Generate some data or graph
> reboot and repeat again

You can subtract the first vmstat dump from the second to get the
event delta for the scenario run. That's what I do, and I'd assume
most people are doing. Am I missing something?



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