On Tue, Sep 29, 2020 at 06:05:00PM +0200, Michal Koutný wrote: > On Mon, Sep 28, 2020 at 02:29:07PM -0700, Vito Caputo <vcap...@pengaru.com> > wrote: > > Is it possible to either add a reclaimable field the total memory line > > of `systemctl status` output? > > > > Or perhaps a separate line like Memory-Reclaimable: ? > What would be the use of such an output? >
Having some sense of how much memory is really free for application use including what's reclaimable is particularly valuable WRT understanding a service's proximity to OOM thresholds. > > Is additional kernel memcg support required to make this possible? > I think you can get a reasonable picture by checking memory.stat of > the given memory cgroup, however, I'm not sure it can be losslessly > translated into a single value like that. > Something approximate could be sufficient, even if it is lossy/racy. Cheers, Vito Caputo _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/systemd-devel
