Michal Hocko wrote: > On Tue 30-05-17 13:05:32, Roman Gushchin wrote: > > Add tracepoints to simplify the debugging of the oom reaper code. > > > > Trace the following events: > > 1) a process is marked as an oom victim, > > 2) a process is added to the oom reaper list, > > 3) the oom reaper starts reaping process's mm, > > 4) the oom reaper finished reaping, > > 5) the oom reaper skips reaping. > > I am not against but could you explain why the current printks are not > sufficient? We do not have any explicit printk for the 2) and 3) but > are those really necessary? > > In other words could you describe the situation when you found these > tracepoints more useful than what the kernel log offers already?
Guessing from "to simplify the debugging of the oom reaper code", Roman is facing some unknown bugs or problems?
