[POWERPC] spufs: Add spu stats in sysfs
Export spu statistics in sysfs.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h
index 5957fcd..eedc828 100644
--- a/include/asm-powerpc/spu.h
+++ b/include/asm-powerpc/spu.h
@@ -106,6 +106,14 @@
struct spu_runqueue;
struct device_node;
+enum spu_utilization_state {
+ SPU_UTIL_SYSTEM,
+ SPU_UTIL_USER,
+ SPU_UTIL_IOWAIT,
+ SPU_UTIL_IDLE,
+ SPU_UTIL_MAX
+};
+
struct spu {
const char *name;
unsigned long local_store_phys;
@@ -159,8 +167,17 @@
struct {
/* protected by interrupt reentrancy */
+ enum spu_utilization_state utilization_state;
+ unsigned long tstamp; /* time of last ctx switch */
+ unsigned long times[SPU_UTIL_MAX];
+ unsigned long long vol_ctx_switch;
+ unsigned long long invol_ctx_switch;
+ unsigned long long min_flt;
+ unsigned long long maj_flt;
+ unsigned long long hash_flt;
unsigned long long slb_flt;
unsigned long long class2_intr;
+ unsigned long long libassist;
} stats;
};