memcg: show reclaim stat

[net-next-2.6.git] / mm / memcontrol.c

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index b8c1e5acc25a18ecec7f2676d85c383c370a0cc2..af28e128b749ea9ca42b36cc816d4b608b016c14 100644 (file)
--- 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;
 }