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Diffstat (limited to 'arch/powerpc/platforms/pseries/hvCall_inst.c')
-rw-r--r--arch/powerpc/platforms/pseries/hvCall_inst.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c
index f02ec3ab428c..957ae347b0b3 100644
--- a/arch/powerpc/platforms/pseries/hvCall_inst.c
+++ b/arch/powerpc/platforms/pseries/hvCall_inst.c
@@ -29,6 +29,16 @@
#include <asm/trace.h>
#include <asm/machdep.h>
+/* For hcall instrumentation. One structure per-hcall, per-CPU */
+struct hcall_stats {
+ unsigned long num_calls; /* number of calls (on this CPU) */
+ unsigned long tb_total; /* total wall time (mftb) of calls. */
+ unsigned long purr_total; /* total cpu time (PURR) of calls. */
+ unsigned long tb_start;
+ unsigned long purr_start;
+};
+#define HCALL_STAT_ARRAY_SIZE ((MAX_HCALL_OPCODE >> 2) + 1)
+
DEFINE_PER_CPU(struct hcall_stats[HCALL_STAT_ARRAY_SIZE], hcall_stats);
/*