Signed-off-by: Francis Deslauriers <[email protected]>
Reviewed-by: Raphaël Beamonte <[email protected]>
---
arch/x86/mm/fault.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 2b97525..f41a5a0 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -20,6 +20,9 @@
#include <asm/fixmap.h> /* VSYSCALL_START
*/
#include <asm/context_tracking.h> /* exception_enter(), ... */
+#define CREATE_TRACE_POINTS
+#include <trace/events/fault.h> /* trace_page_fault_*(), ...
*/
+
/*
* Page fault error code bits:
*
@@ -1183,7 +1186,9 @@ good_area:
* make sure we exit gracefully rather than endlessly redo
* the fault:
*/
+ trace_page_fault_entry(regs, address, write);
fault = handle_mm_fault(mm, vma, address, flags);
+ trace_page_fault_exit(fault);
if (unlikely(fault & (VM_FAULT_RETRY|VM_FAULT_ERROR))) {
if (mm_fault_error(regs, error_code, address, fault))
--
1.7.10.4
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