powerpc: tracing: Add hypervisor call tracepoints

[deliverable/linux.git] / arch / powerpc / include / asm / trace.h

diff --git a/arch/powerpc/include/asm/trace.h b/arch/powerpc/include/asm/trace.h
index b558c31d409edc2ff31e9846537253283a185e6e..9b01c0e43b55a14bc4fa48304a756b16e0076450 100644 (file)
--- 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