overlay: Add graph for GPU power consumption

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 17 insertions, 0 deletions

diff --git a/overlay/power.h b/overlay/power.h
new file mode 100644
index 00000000..d77dbabc
--- /dev/null
+++ b/overlay/power.h
@@ -0,0 +1,17 @@
+#include <stdint.h>
+
+struct power {
+	struct power_stat {
+		uint64_t energy;
+		uint64_t timestamp;
+	} stat[2];
+
+	int error;
+	int count;
+	int new_sample;
+
+	uint64_t power_mW;
+};
+
+int power_init(struct power *power);
+int power_update(struct power *power);