Hi Masami, On Tue, 2018-10-02 at 16:53 +0900, Masami Hiramatsu wrote: > On Mon, 1 Oct 2018 11:18:07 -0500 > Tom Zanussi <zanussi@xxxxxxxxxx> wrote: > > > From: Tom Zanussi <tom.zanussi@xxxxxxxxxxxxxxx> > > > > Add support for a hist:onchange($var) handler, similar to the > > onmax() > > handler but triggering whenever there's any change in $var, not > > just a > > max. > > > > Also, add a testcase for it. > > Could you separate the testcase and document update from this patch, > since those are maintained in different trees? > OK, will do. > And also, could you update <tracefs>/README so that the testcase can > ensure the kernel supports this feature? Since the testcase > (kselftest) > will be used for stable kernels, it should check the kernel carefully > and exit with "unsupported" instead of failure. > Yeah, makes sense, will add that check. Thanks, Tom