[lttng-dev] [PATCH lttng-tools] Fix: tests: skip UST perf tests if not root

[Jérémie Galarneau]

Merged in master and stable-2.7.
I have also moved the test from the "fast_regression" to
"root_regression" test list.

Thanks!
Jérémie

On Thu, Sep 17, 2015 at 2:10 PM, Mathieu Desnoyers
<mathieu.desnoyers at efficios.com> wrote:
> Some distributions like Debian (e.g. Debian kernel 4.1.0-2-amd64) have
> some grsecurity options enabled, such as CONFIG_GRKERNSEC_PERF_HARDEN.
>
> Unfortunately, this option makes it impossible to use the SW page-fault
> perf event as a normal user. It only leaves some HW events. However, we
> can only use SW events within virtual machines.
>
> Therefore, only run this test as root for now until we find a better
> approach.
>
> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers at efficios.com>
> ---
>  tests/regression/ust/test_event_perf | 15 ++++++++++++---
>  1 file changed, 12 insertions(+), 3 deletions(-)
>
> diff --git a/tests/regression/ust/test_event_perf b/tests/regression/ust/test_event_perf
> index 7fb37ed..7dc2168 100755
> --- a/tests/regression/ust/test_event_perf
> +++ b/tests/regression/ust/test_event_perf
> @@ -90,8 +90,17 @@ plan_tests $NUM_TESTS
>
>  print_test_banner "$TEST_DESC"
>
> -start_lttng_sessiond
> +if [ "$(id -u)" == "0" ]; then
> +        isroot=1
> +else
> +        isroot=0
> +fi
> +
> +skip $isroot "Root access is needed. Skipping UST perf tests." ${NUM_TESTS} ||
> +{
> +       start_lttng_sessiond
>
> -test_event_basic
> +       test_event_basic
>
> -stop_lttng_sessiond
> +       stop_lttng_sessiond
> +}
> --
> 2.1.4
>



-- 
Jérémie Galarneau
EfficiOS Inc.
http://www.efficios.com