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authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>2010-08-09 17:19:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-09 20:45:03 -0700
commite17613c39b8894c164df782d0508c27ca559c24b (patch)
tree9d256ead495ad9ad1568fdb7763460865a24c7b6 /include/trace
parentbdce6d9ebf52c1f6c23163d1a33320ce7c007f73 (diff)
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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: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com> Acked-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/vmscan.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index 028733be4f3..d9656444a7c 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -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,