On Thu, Aug 31, 2017 at 11:35:08AM +0100, Lionel Landwerlin wrote:
> Signed-off-by: Lionel Landwerlin <[email protected]>
> ---
> tests/perf.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/tests/perf.c b/tests/perf.c
> index bd139bde..5fe0a332 100644
> --- a/tests/perf.c
> +++ b/tests/perf.c
> @@ -3463,6 +3463,17 @@
> gen8_test_single_ctx_render_target_writes_a_counter(void)
> } while (WEXITSTATUS(child_ret) == EAGAIN);
> }
>
> +static bool
> +rc6_enabled(void)
> +{
> + char *rc6_status = read_debugfs_record(drm_fd, "i915_drpc_info",
> + "RC6 Enabled");
> + bool enabled = strcmp(rc6_status, "yes") == 0;
> +
> + free(rc6_status);
> + return enabled;
> +}
Could we do some helper with that functionality?
We are checking RC6 state in many places so maybe some global helper?
I am just wondering could be that useful :)
--
Ewelina
> +
> static void
> test_rc6_disable(void)
> {
> @@ -3482,6 +3493,8 @@ test_rc6_disable(void)
> };
> uint64_t n_events_start, n_events_end;
>
> + igt_skip_on(!rc6_enabled());
> +
> stream_fd = __perf_open(drm_fd, ¶m);
>
> n_events_start = read_debugfs_u64_record(drm_fd, "i915_drpc_info",
> --
> 2.14.1
>
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