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. -- 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
