(2011/05/24 15:26), Ying Han wrote: > Signed-off-by: Ying Han <yinghan@xxxxxxxxxx> > --- > Documentation/cgroups/memory.txt | 10 ++++++++++ > 1 files changed, 10 insertions(+), 0 deletions(-) > > diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt > index 2d7e527..b81be08 100644 > --- a/Documentation/cgroups/memory.txt > +++ b/Documentation/cgroups/memory.txt > @@ -71,6 +71,7 @@ Brief summary of control files. > memory.move_charge_at_immigrate # set/show controls of moving charges > memory.oom_control # set/show oom controls. > memory.async_control # set control for asynchronous memory reclaim > + memory.numa_stat # show the number of memory usage per numa node > > 1. History > > @@ -477,6 +478,15 @@ value for efficient access. (Of course, when necessary, it's synchronized.) > If you want to know more exact memory usage, you should use RSS+CACHE(+SWAP) > value in memory.stat(see 5.2). > > +5.6 numa_stat > + > +This is similar to numa_maps but per-memcg basis. This is useful to add visibility > +of numa locality information in memcg since the pages are allowed to be allocated > +at any physical node. One of the usecase is evaluating application performance by > +combining this information with the cpu allocation to the application. > + > +We export "total", "file", "anon" and "unevictable" pages per-node for each memcg. > + This assume reader know numa_maps. The beter explanation is to write example output and explain its meanings. Thanks. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx 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: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>