On 06/14/2017 08:17 AM, Shuah Khan wrote: > Hi Masami, > > On 06/13/2017 10:53 PM, Masami Hiramatsu wrote: >> On Wed, 14 Jun 2017 11:12:17 +0900 >> Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote: >> >>> Hi Shuah and Steve, >>> >>> Sorry for replying so late... >>> >>> On Thu, 8 Jun 2017 17:51:44 -0400 >>> Steven Rostedt <rostedt@xxxxxxxxxxx> wrote: >>> >>>> On Thu, 8 Jun 2017 15:44:08 -0600 >>>> Shuah Khan <shuahkh@xxxxxxxxxxxxxxx> wrote: >>>> >>>>>> Also, did you see my reply about having the right config? You have >>>>>> HIST_TRIGGERS undefined but yet the histogram trigger tests all pass in >>>>>> your report. >>>>> >>>>> I did see that one. Didn't get a chance to look at that yet. Do you expect >>>>> the tests to be skipped in this case? Could it be that tests aren't run? >>>>> I will look at this and let you know what I find on my test system. >>>> >>>> Your first email showed that they passed, which would be hard to do >>>> since the feature is not even enabled. ftracetest is very much set up >>>> to look at the existing pseudo files to determine if a feature exists >>>> or not, and if it does not, it returns "UNSUPPORTED". If it returned >>>> PASSED when the feature is not enabled, that would be a big time bug in >>>> the test. >>> >>> As far as I can see, what Steve you saw was my result on the 4.9 stable >>> kernel, which had been compiled with fully ftrace enabled :). >>> >>>>> >>>>>> >>>>>> One more thing, is this 100% reproducible. That is, does it always fail? >>>>>> >>>>> Failed the two times I tried. >>> >>> I've also tried to test the latest linus tree with this series with Shuah's >>> config on qemu, and could not reproduced it. (I attached the log) >>> As you can see, with Shuah's config, histogram tests are marked UNSUPPORTED. >>> >>> Of course, that is 4.12.0-rc5+ and kconfig is a bit tweaked(attached). >>> I'll try kselftest tree too. >> >> I've tried it on linux-kselftest/next, but not able to reproduce it... >> >> Thank you, > > Hmm. Not sure what's happening on my test system. I will try it one more > time with a clean build and see what happens. > > Thanks for debugging this. > Re-tested this on my test system on 4.12-rc7. No failures. Not sure why I was seeing problems. It works now. thanks, -- Shuah -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
