[igt-dev] [PATCH i-g-t] i915/perf: Skip OA testing on systems too old

[Chris Wilson]

Quoting Lionel Landwerlin (2019-12-16 09:46:56)
> On 16/12/2019 11:34, Chris Wilson wrote:
> > Don't flat out fail if the system doesn't support OA, just skip.
> >
> > Closes: https://gitlab.freedesktop.org/drm/intel/issues/834
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> > ---
> >   tests/perf.c | 4 +---
> >   1 file changed, 1 insertion(+), 3 deletions(-)
> >
> > diff --git a/tests/perf.c b/tests/perf.c
> > index f5dd6051e..12f552743 100644
> > --- a/tests/perf.c
> > +++ b/tests/perf.c
> > @@ -884,11 +884,9 @@ init_sys_info(void)
> >       const char *test_set_uuid = NULL;
> >       char buf[256];
> >   
> > -     igt_assert_neq(devid, 0);
> > -
> >       timestamp_frequency = get_cs_timestamp_frequency();
> >       igt_debug("timestamp_frequency = %lu\n", timestamp_frequency);
> > -     igt_assert_neq(timestamp_frequency, 0);
> > +     igt_require(timestamp_frequency);
> 
> 
> This requires a kernel version more recent (4.16) than when perf support 
> was added (4.13).
> 
> Is this what you intended?

You have a fatal assert there. I am just changing it so that it skips
when not supported as no testing is being performed.
-Chris