Re: [PATCH] perf test: Fix record test on KVM guests

[Arnaldo Carvalho de Melo <acme@kernel.org>]

Em Tue, Nov 22, 2022 at 09:31:49PM -0800, Ian Rogers escreveu:
> On Tue, Nov 22, 2022 at 12:33 AM Michael Petlan <mpetlan@redhat.com> wrote:
> >
> > Using precise flag with br_inst_retired.near_call causes the test fail
> > on KVM guests, even when the guests have PMU forwarding enabled and the
> > event itself is supported.
> >
> > Remove the precise flag in order to make the test work on KVM guests.
> >
> > Signed-off-by: Michael Petlan <mpetlan@redhat.com>
> 
> Acked-by: Ian Rogers <irogers@google.com>

Thanks, applied.

- Arnaldo

 
> Thanks,
> Ian
> 
> > ---
> >  tools/perf/tests/shell/record.sh | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh
> > index e93b3a8871fe..a796222288ec 100755
> > --- a/tools/perf/tests/shell/record.sh
> > +++ b/tools/perf/tests/shell/record.sh
> > @@ -134,7 +134,7 @@ test_register_capture() {
> >      echo "Register capture test [Skipped missing registers]"
> >      return
> >    fi
> > -  if ! perf record -o - --intr-regs=di,r8,dx,cx -e br_inst_retired.near_call:p \
> > +  if ! perf record -o - --intr-regs=di,r8,dx,cx -e br_inst_retired.near_call \
> >      -c 1000 --per-thread ${testprog} 2> /dev/null \
> >      | perf script -F ip,sym,iregs -i - 2> /dev/null \
> >      | grep -q "DI:"
> > --
> > 2.18.4
> >

-- 

- Arnaldo