overlay: Parse gem objects

Condense the information and begin graphing it. Remaining todo for
memory is to measure bind/evict flux, and perhaps clflush.

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

1 files changed, 17 insertions, 1 deletions

diff --git a/overlay/gem-objects.h b/overlay/gem-objects.h
index 898d18f0..b0c4519e 100644
--- a/overlay/gem-objects.h
+++ b/overlay/gem-objects.h
@@ -1 +1,17 @@
-int gem_objects_update(char *buf, int buflen);
+#include <stdint.h>
+
+struct gem_objects {
+	uint64_t total_bytes;
+	uint32_t total_count;
+	uint64_t total_gtt, total_aperture;
+	uint64_t max_gtt, max_aperture;
+	struct gem_objects_comm {
+		struct gem_objects_comm *next;
+		char name[256];
+		uint64_t bytes;
+		uint32_t count;
+	} *comm;
+};
+
+int gem_objects_init(struct gem_objects *obj);
+int gem_objects_update(struct gem_objects *obj);