page_pool: Add recycle stats

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Add per-cpu stats tracking page pool recycling events:
	- cached: recycling placed page in the page pool cache
	- cache_full: page pool cache was full
	- ring: page placed into the ptr ring
	- ring_full: page released from page pool because the ptr ring was full
	- released_refcnt: page released (and not recycled) because refcnt > 1

Signed-off-by: Joe Damato <jdamato@fastly.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Joe Damato 2022-03-01 23:55:48 -08:00 • committed by David S. Miller

parent 8610037e81

commit ad6fa1e1ab

2 changed files with 44 additions and 2 deletions

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16

include/net/page_pool.h

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30

net/core/page_pool.c

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