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-rw-r--r--include/linux/oprofile.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index d68d2ed94f15..5171639ecf0f 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;
};