diff options
| author | KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> | 2009-01-07 18:08:22 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-08 08:31:08 -0800 |
| commit | 7f016ee8b6a9a43f768e6252021f169abec4fa1f (patch) | |
| tree | 68498191489e051a23da0d39de2b0257714e58b0 /mm | |
| parent | 9439c1c95b5c25b8031b2a7eb7e1590eb84be7f5 (diff) | |
| download | lwn-7f016ee8b6a9a43f768e6252021f169abec4fa1f.tar.gz lwn-7f016ee8b6a9a43f768e6252021f169abec4fa1f.zip | |
memcg: show reclaim stat
Add the following four fields to memory.stat file:
- inactive_ratio
- recent_rotated_anon
- recent_rotated_file
- recent_scanned_anon
- recent_scanned_file
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memcontrol.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index b8c1e5acc25a..af28e128b749 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1816,6 +1816,36 @@ static int mem_control_stat_show(struct cgroup *cont, struct cftype *cft, cb->fill(cb, "unevictable", unevictable * PAGE_SIZE); } + +#ifdef CONFIG_DEBUG_VM + cb->fill(cb, "inactive_ratio", mem_cont->inactive_ratio); + + { + int nid, zid; + struct mem_cgroup_per_zone *mz; + unsigned long recent_rotated[2] = {0, 0}; + unsigned long recent_scanned[2] = {0, 0}; + + for_each_online_node(nid) + for (zid = 0; zid < MAX_NR_ZONES; zid++) { + mz = mem_cgroup_zoneinfo(mem_cont, nid, zid); + + recent_rotated[0] += + mz->reclaim_stat.recent_rotated[0]; + recent_rotated[1] += + mz->reclaim_stat.recent_rotated[1]; + recent_scanned[0] += + mz->reclaim_stat.recent_scanned[0]; + recent_scanned[1] += + mz->reclaim_stat.recent_scanned[1]; + } + cb->fill(cb, "recent_rotated_anon", recent_rotated[0]); + cb->fill(cb, "recent_rotated_file", recent_rotated[1]); + cb->fill(cb, "recent_scanned_anon", recent_scanned[0]); + cb->fill(cb, "recent_scanned_file", recent_scanned[1]); + } +#endif + return 0; } |