From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx174.postini.com [74.125.245.174]) by kanga.kvack.org (Postfix) with SMTP id 8AD706B00EF for ; Sun, 22 Apr 2012 19:58:10 -0400 (EDT) From: Glauber Costa Subject: [PATCH 23/23] slub: create slabinfo file for memcg Date: Sun, 22 Apr 2012 20:53:40 -0300 Message-Id: <1335138820-26590-12-git-send-email-glommer@parallels.com> In-Reply-To: <1334959051-18203-1-git-send-email-glommer@parallels.com> References: <1334959051-18203-1-git-send-email-glommer@parallels.com> Sender: owner-linux-mm@kvack.org List-ID: To: cgroups@vger.kernel.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, devel@openvz.org, kamezawa.hiroyu@jp.fujitsu.com, Michal Hocko , Johannes Weiner , fweisbec@gmail.com, Greg Thelen , Suleiman Souhlal , Glauber Costa , Christoph Lameter , Pekka Enberg This patch implements mem_cgroup_slabinfo() for the slub. With that, we can also probe the used caches for it. Signed-off-by: Glauber Costa CC: Christoph Lameter CC: Pekka Enberg CC: Michal Hocko CC: Kamezawa Hiroyuki CC: Johannes Weiner CC: Suleiman Souhlal --- mm/slub.c | 27 +++++++++++++++++++++++++++ 1 files changed, 27 insertions(+), 0 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index 1031d4d..495a4f1 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -4150,6 +4150,33 @@ void kmem_cache_drop_ref(struct kmem_cache *s) int mem_cgroup_slabinfo(struct mem_cgroup *memcg, struct seq_file *m) { + struct kmem_cache *s; + int node; + unsigned long nr_objs = 0; + unsigned long nr_free = 0; + + seq_printf(m, "# name \n"); + + down_read(&slub_lock); + list_for_each_entry(s, &slab_caches, list) { + if (s->memcg_params.memcg != memcg) + continue; + + for_each_online_node(node) { + struct kmem_cache_node *n = get_node(s, node); + + if (!n) + continue; + + nr_objs += atomic_long_read(&n->total_objects); + nr_free += count_partial(n, count_free); + } + + seq_printf(m, "%-17s %6lu %6lu %6u\n", s->name, + nr_objs - nr_free, nr_objs, s->size); + } + up_read(&slub_lock); + return 0; } #endif -- 1.7.7.6 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org