[PATCH 3/3] powerpc perf_event: Add alignment-faults andemulation-faults software events

From: Anton Blanchard
Date: Sun Oct 18 2009 - 07:14:49 EST



Hook up the alignment-faults and emulation-faults events for powerpc.

Signed-off-by: Anton Blanchard <anton@xxxxxxxxx>
---

Index: linux.trees.git/arch/powerpc/include/asm/emulated_ops.h
===================================================================
--- linux.trees.git.orig/arch/powerpc/include/asm/emulated_ops.h 2009-09-22 13:45:07.000000000 +1000
+++ linux.trees.git/arch/powerpc/include/asm/emulated_ops.h 2009-09-22 13:45:27.000000000 +1000
@@ -19,6 +19,7 @@
#define _ASM_POWERPC_EMULATED_OPS_H

#include <asm/atomic.h>
+#include <linux/perf_event.h>


#ifdef CONFIG_PPC_EMULATED_STATS
@@ -71,7 +72,18 @@ extern void ppc_warn_emulated_print(cons

#endif /* !CONFIG_PPC_EMULATED_STATS */

-#define PPC_WARN_EMULATED(type, regs) __PPC_WARN_EMULATED(type)
-#define PPC_WARN_ALIGNMENT(type, regs) __PPC_WARN_EMULATED(type)
+#define PPC_WARN_EMULATED(type, regs) \
+ do { \
+ perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, \
+ 1, 0, regs, 0); \
+ __PPC_WARN_EMULATED(type); \
+ } while (0)
+
+#define PPC_WARN_ALIGNMENT(type, regs) \
+ do { \
+ perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, \
+ 1, 0, regs, regs->dar); \
+ __PPC_WARN_EMULATED(type); \
+ } while (0)

#endif /* _ASM_POWERPC_EMULATED_OPS_H */
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