Messages in this thread | | | Date | Mon, 2 Feb 2009 12:37:54 -0800 (PST) | From | David Rientjes <> | Subject | Re: [-mm patch] Show memcg information during OOM |
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On Mon, 2 Feb 2009, Balbir Singh wrote:
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c > index 8e4be9c..954b0d5 100644 > --- a/mm/memcontrol.c > +++ b/mm/memcontrol.c > @@ -813,6 +813,25 @@ bool mem_cgroup_oom_called(struct task_struct *task) > rcu_read_unlock(); > return ret; > } > + > +void mem_cgroup_print_mem_info(struct mem_cgroup *memcg) > +{ > + if (!memcg) > + return; > + > + printk(KERN_WARNING "Memory cgroups's name %s\n", > + memcg->css.cgroup->dentry->d_name.name); > + printk(KERN_WARNING "Cgroup memory: usage %llu, limit %llu" > + " failcnt %llu\n", res_counter_read_u64(&memcg->res, RES_USAGE), > + res_counter_read_u64(&memcg->res, RES_LIMIT), > + res_counter_read_u64(&memcg->res, RES_FAILCNT)); > + printk(KERN_WARNING "Cgroup memory+swap: usage %llu, limit %llu " > + "failcnt %llu\n", > + res_counter_read_u64(&memcg->memsw, RES_USAGE), > + res_counter_read_u64(&memcg->memsw, RES_LIMIT), > + res_counter_read_u64(&memcg->memsw, RES_FAILCNT)); > +} > + > /* > * Unlike exported interface, "oom" parameter is added. if oom==true, > * oom-killer can be invoked.
I think you'd want a less critical log level for these messages such as KERN_INFO.
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