1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index bcb8f725427c..687f2f4c36a1 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -67,6 +67,9 @@ struct oprofile_operations {
 
         /* Initiate a stack backtrace. Optional. */
         void (*backtrace)(struct pt_regs * const regs, unsigned int depth);
+
+        /* Multiplex between different events. Optional. */
+        int (*switch_events)(void);
         /* CPU identification string. */
         char * cpu_type;
 };