Comment # 5
on bug 105712
from Chris Wilson
Add a couple of printfs,
diff --git a/overlay/power.c b/overlay/power.c
index 9ac90fde..e6ac728a 100644
--- a/overlay/power.c
+++ b/overlay/power.c
@@ -117,8 +117,12 @@ int power_init(struct power *power)
memset(power, 0, sizeof(*power));
power->fd = igt_perf_open(rapl_type_id(), rapl_gpu_power());
+ fprintf(stderr, "rapl_type_id()=%"PRIx64",
rapl_gpu_power()=%"PRIx64"\n",
+ rapl_type_id(), rapl_gpu_power());
if (power->fd >= 0) {
power->rapl_scale = rapl_gpu_power_scale();
+ fprintf(stderr, "rapl_gpu_power_scale()=%f\n",
+ rapl_gpu_power_scale());
if (power->rapl_scale != NAN) {
power->rapl_scale *= 1e3; /* from nano to micro */
and run with -f (so that it doesn't detach and we can see the output).
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