On Mon 06-08-18 13:19:07, Tejun Heo wrote: > Hello, Michal. > > On Mon, Aug 06, 2018 at 10:06:37PM +0200, Michal Hocko wrote: > > Is there really any reason to have each couner on a seprate line? This > > is just too much of an output for a single oom report. I do get why you > > are not really thrilled by the hierarchical numbers but can we keep > > counters in a single line please? > > Hmm... maybe, but can you please consider the followings? > > * It's the same information as memory.stat but would be in a different > format and will likely be a bit of an eyeful. > > * It can easily become a really long line. Each kernel log can be ~1k > in length and there can be other limits in the log pipeline > (e.g. netcons). Are we getting close to those limits? > * The information is already multi-line and cgroup oom kills don't > take down the system, so there's no need to worry about scroll back > that much. Also, not printing recursive info means the output is > well-bound. Well, on the other hand you can have a lot of memcgs under OOM and then swamp the log a lot. -- Michal Hocko SUSE Labs
