Comment # 3 on bug 105712 from Chris Wilson

Ok, try changing intel-gpu-tools:

diff --git a/overlay/power.c b/overlay/power.c
index 9ac90fde..e02edec8 100644
--- a/overlay/power.c
+++ b/overlay/power.c
@@ -116,7 +116,8 @@ int power_init(struct power *power)

        memset(power, 0, sizeof(*power));

-       power->fd = igt_perf_open(rapl_type_id(), rapl_gpu_power());
+       power->fd = -1;
+       //power->fd = igt_perf_open(rapl_type_id(), rapl_gpu_power());
        if (power->fd >= 0) {
                power->rapl_scale = rapl_gpu_power_scale();