1 files changed, 45 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/trace.h b/arch/powerpc/include/asm/trace.h
index b558c31d409e..9b01c0e43b55 100644
--- a/arch/powerpc/include/asm/trace.h
+++ b/arch/powerpc/include/asm/trace.h
@@ -76,6 +76,51 @@ TRACE_EVENT(timer_interrupt_exit,
         TP_printk("pt_regs=%p", __entry->regs)
 );
 
+#ifdef CONFIG_PPC_PSERIES
+extern void hcall_tracepoint_regfunc(void);
+extern void hcall_tracepoint_unregfunc(void);
+
+TRACE_EVENT_FN(hcall_entry,
+
+        TP_PROTO(unsigned long opcode),
+
+        TP_ARGS(opcode),
+
+        TP_STRUCT__entry(
+                __field(unsigned long, opcode)
+        ),
+
+        TP_fast_assign(
+                __entry->opcode = opcode;
+        ),
+
+        TP_printk("opcode=%lu", __entry->opcode),
+
+        hcall_tracepoint_regfunc, hcall_tracepoint_unregfunc
+);
+
+TRACE_EVENT_FN(hcall_exit,
+
+        TP_PROTO(unsigned long opcode, unsigned long retval),
+
+        TP_ARGS(opcode, retval),
+
+        TP_STRUCT__entry(
+                __field(unsigned long, opcode)
+                __field(unsigned long, retval)
+        ),
+
+        TP_fast_assign(
+                __entry->opcode = opcode;
+                __entry->retval = retval;
+        ),
+
+        TP_printk("opcode=%lu retval=%lu", __entry->opcode, __entry->retval),
+
+        hcall_tracepoint_regfunc, hcall_tracepoint_unregfunc
+);
+#endif
+
 #endif /* _TRACE_POWERPC_H */
 
 #undef TRACE_INCLUDE_PATH