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| author | KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> | 2010-08-09 17:19:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-09 20:45:03 -0700 |
| commit | cc8e970c3ce4d98afa8eb02dbd2526ce57f7611a (patch) | |
| tree | 621ce988444b6df6eb67058b05ca5ddef23f6103 | |
| parent | e17613c39b8894c164df782d0508c27ca559c24b (diff) | |
| download | lwn-cc8e970c3ce4d98afa8eb02dbd2526ce57f7611a.tar.gz lwn-cc8e970c3ce4d98afa8eb02dbd2526ce57f7611a.zip | |
memcg: add mm_vmscan_memcg_isolate tracepoint
Memcg also need to trace page isolation information as global reclaim.
This patch does it.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/trace/events/vmscan.h | 15 | ||||
| -rw-r--r-- | mm/memcontrol.c | 6 |
2 files changed, 21 insertions, 0 deletions
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h index d9656444a7ca..370aa5a87322 100644 --- a/include/trace/events/vmscan.h +++ b/include/trace/events/vmscan.h @@ -231,6 +231,21 @@ DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate, ); +DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_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, diff --git a/mm/memcontrol.c b/mm/memcontrol.c index de54ea0094a1..0576e9e64586 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -51,6 +51,8 @@ #include <asm/uaccess.h> +#include <trace/events/vmscan.h> + struct cgroup_subsys mem_cgroup_subsys __read_mostly; #define MEM_CGROUP_RECLAIM_RETRIES 5 struct mem_cgroup *root_mem_cgroup __read_mostly; @@ -1007,6 +1009,10 @@ unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan, } *scanned = scan; + + trace_mm_vmscan_memcg_isolate(0, nr_to_scan, scan, nr_taken, + 0, 0, 0, mode); + return nr_taken; } |