Messages in this thread | | | From | KOSAKI Motohiro <> | Subject | Re: [PATCH v4] [RFC] tracepoint: Add signal coredump tracepoint | Date | Thu, 10 Dec 2009 09:09:31 +0900 (JST) |
| |
> Add signal coredump tracepoint which shows signal number, > mm->flags, core file size limitation, the result of > coredump, and core file name. > > This tracepoint requirement comes mainly from the viewpoint of > administrators. Since now we have introduced many coredump > configurations (e.g. dumpable, coredump_filter, core_pattern, > etc) and some of them can be modified by users, it will be hard > to know what was actually dumped (or not dumped) after some > problem happened on the system. For example, a process didn't > generated core, coredump doesn't have some sections, etc. > In those cases, the coredump tracepoint can help us to know > why the core file is so big or small, or not generated, by > recording all configurations for all processes on the system. > That will reduce system-administration cost. > > Changes in v4: > - Rename limit trace-argument to core_size_limit, because > of user friendly output.
Looks good to me.
| |