powerpc: perf_event: Add alignment-faults and emulation-faults software events

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

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 14 insertions, 2 deletions

diff --git a/arch/powerpc/include/asm/emulated_ops.h b/arch/powerpc/include/asm/emulated_ops.h
index 640c4e456aa..f0fb4fc1f6e 100644
--- a/arch/powerpc/include/asm/emulated_ops.h
+++ b/arch/powerpc/include/asm/emulated_ops.h
@@ -19,6 +19,7 @@
 #define _ASM_POWERPC_EMULATED_OPS_H
 
 #include <asm/atomic.h>
+#include <linux/perf_event.h>
 
 
 #ifdef CONFIG_PPC_EMULATED_STATS
@@ -70,7 +71,18 @@ extern void ppc_warn_emulated_print(const char *type);
 
 #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 */