Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 23b97662 authored by Steven Rostedt (Red Hat)'s avatar Steven Rostedt (Red Hat) Committed by Steven Rostedt
Browse files

x86/tlb/trace: Export enums in used by tlb_flush tracepoint 

Have the enums used in __print_symbolic() by the trace_tlb_flush()
tracepoint exported to userpace such that they can be parsed by
userspace tools.

Link: http://lkml.kernel.org/r/20150403013802.220157513@goodmis.org



Cc: Dave Hansen <dave@sr71.net>
Reviewed-by: default avatarMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Tested-by: default avatarMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
parent 32eb3d0d

include/trace/events/tlb.h

+25 −5
Original line number Diff line number Diff line
@@ -8,10 +8,30 @@ 
#include <linux/tracepoint.h>



#define TLB_FLUSH_REASON						\

	{ TLB_FLUSH_ON_TASK_SWITCH,	"flush on task switch" },	\

	{ TLB_REMOTE_SHOOTDOWN,		"remote shootdown" },		\

	{ TLB_LOCAL_SHOOTDOWN,		"local shootdown" },		\

	{ TLB_LOCAL_MM_SHOOTDOWN,	"local mm shootdown" }

	EM(  TLB_FLUSH_ON_TASK_SWITCH,	"flush on task switch" )	\

	EM(  TLB_REMOTE_SHOOTDOWN,	"remote shootdown" )		\

	EM(  TLB_LOCAL_SHOOTDOWN,	"local shootdown" )		\

	EMe( TLB_LOCAL_MM_SHOOTDOWN,	"local mm shootdown" )



/*

 * First define the enums in TLB_FLUSH_REASON to be exported to userspace

 * via TRACE_DEFINE_ENUM().

 */

#undef EM

#undef EMe

#define EM(a,b)		TRACE_DEFINE_ENUM(a);

#define EMe(a,b)	TRACE_DEFINE_ENUM(a);



TLB_FLUSH_REASON



/*

 * Now redefine the EM() and EMe() macros to map the enums to the strings

 * that will be printed in the output.

 */

#undef EM

#undef EMe

#define EM(a,b)		{ a, b },

#define EMe(a,b)	{ a, b }



TRACE_EVENT_CONDITION(tlb_flush,