On Tue, 2017-07-25 at 09:51 +0800, Huang, Ying wrote: > From: Huang Ying <[email protected]> > > The swap cache stats could be gotten only via sysrq, which isn't > convenient in some situation. So the sysfs interface of swap cache > stats is added for that. The added sysfs directories/files are as > follow, > > /sys/kernel/mm/swap > /sys/kernel/mm/swap/cache_find_total > /sys/kernel/mm/swap/cache_find_success > /sys/kernel/mm/swap/cache_add > /sys/kernel/mm/swap/cache_del > /sys/kernel/mm/swap/cache_pages > What is the advantage of this vs new fields in /proc/vmstat, which is where most of the VM statistics seem to live?
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