On Fri, 31 Aug 2018 08:35:28 +0900 Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote: > On Thu, 30 Aug 2018 11:50:55 -0400 > Steven Rostedt <rostedt@xxxxxxxxxxx> wrote: > > > On Thu, 30 Aug 2018 16:12:18 +0900 > > Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote: > > > > > > I'm fine with this, but one day I need to port over some of my other > > > > tests. I have a test that stresses the ring buffer size (basically > > > > checks to see if it can cause an oom). I need to port that to > > > > selftests. But for now... > > > > > > Hmm, such stress test is not good for kselftest, since it can cause > > > oom and kill some test process. Maybe we should have such stresstest > > > framework (which allows test to crash kernel) > > > > The point of the test is to make sure that it doesn't kill > > everything :-) The ring buffer code is suppose to detect that it will > > cause an OOM, and if it does that's considered a failure. > > Ah, OK, so the test itself must not cause OOM. That's reasonable. :) > > > > > Just like any other test, if it fails, it can crash the kernel. But the > > ring buffer code is suppose to be able to keep the kernel from crashing > > (including triggering OOM) if the buffer size is stressed. > > > > Maybe I'll port that over today :-/ > > Looking forward it! > Unfortunately, I didn't get to it, and will be on PTO for the next 4 days. Perhaps next week. -- Steve
