cell: add new debug flag (cache) to report texture cache stats on exit

src/gallium/drivers/cell/common.h

@@ -117,6 +117,7 @@
 #define CELL_DEBUG_FRAGMENT_OPS         (1 << 3)
 #define CELL_DEBUG_FRAGMENT_OP_FALLBACK (1 << 4)
 #define CELL_DEBUG_CMD                  (1 << 5)
+#define CELL_DEBUG_CACHE                (1 << 6)
 
 /** Max instructions for doing per-fragment operations */
 #define SPU_MAX_FRAGMENT_OPS_INSTS 64

src/gallium/drivers/cell/ppu/cell_context.c

@@ -94,6 +94,7 @@ static const struct debug_named_value cell_debug_flags[] = {
    {"fragops", CELL_DEBUG_FRAGMENT_OPS}, /**< SPUs emit fragment ops debug messages*/
    {"fragopfallback", CELL_DEBUG_FRAGMENT_OP_FALLBACK}, /**< SPUs use reference implementation for fragment ops*/
    {"cmd", CELL_DEBUG_CMD},       /**< SPUs dump command buffer info */
+   {"cache", CELL_DEBUG_CACHE},   /**< report texture cache stats on exit */
    {NULL, 0}
 };
 

src/gallium/drivers/cell/spu/spu_command.c

@@ -720,5 +720,6 @@ command_loop(void)
 
    D_PRINTF(CELL_DEBUG_CMD, "Exit command loop\n");
 
-   spu_dcache_report();
+   if (spu.init.debug_flags & CELL_DEBUG_CACHE)
+      spu_dcache_report();
 }

src/gallium/drivers/cell/spu/spu_dcache.c

@@ -36,7 +36,9 @@
 #define CACHE_SET_TAGID(set)  (((set) & 0x03) + TAG_DCACHE0)
 #define CACHE_LOG2NNWAY       2
 #define CACHE_LOG2NSETS       6
-/*#define CACHE_STATS           1*/
+#ifdef DEBUG
+#define CACHE_STATS           1
+#endif
 #include <cache-api.h>
 
 /* Yes folks, this is ugly.