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Commit e17613c3 authored by KOSAKI Motohiro's avatar KOSAKI Motohiro Committed by Linus Torvalds
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vmscan: convert mm_vmscan_lru_isolate to DEFINE_EVENT 



Mel Gorman recently added some vmscan tracepoints.  Unfortunately they are
covered only global reclaim.  But we want to trace memcg reclaim too.

Thus, this patch convert them to DEFINE_TRACE macro.  it help to reuse
tracepoint definition for other similar usage (i.e.  memcg).  This patch
have no functionally change.

Signed-off-by: default avatarKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: default avatarKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: default avatarBalbir Singh <balbir@linux.vnet.ibm.com>
Acked-by: default avatarMel Gorman <mel@csn.ul.ie>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent bdce6d9e

include/trace/events/vmscan.h

+16 −1
Original line number Diff line number Diff line
@@ -170,7 +170,7 @@ DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_re 
);





TRACE_EVENT(mm_vmscan_lru_isolate,

DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,



	TP_PROTO(int order,

		unsigned long nr_requested,
@@ -216,6 +216,21 @@ TRACE_EVENT(mm_vmscan_lru_isolate, 
		__entry->nr_lumpy_failed)

);



DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,



	TP_PROTO(int order,

		unsigned long nr_requested,

		unsigned long nr_scanned,

		unsigned long nr_taken,

		unsigned long nr_lumpy_taken,

		unsigned long nr_lumpy_dirty,

		unsigned long nr_lumpy_failed,

		int isolate_mode),



	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)



);



TRACE_EVENT(mm_vmscan_writepage,



	TP_PROTO(struct page *page,