1 files changed, 8 insertions, 2 deletions

diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index e543ecc129f1..004b6e162b96 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -130,7 +130,11 @@ struct perf_counter_hw_event {
          */
         __u64                   config;
 
-        __u64                   irq_period;
+        union {
+                __u64           irq_period;
+                __u64           irq_freq;
+        };
+
         __u32                   record_type;
         __u32                   read_format;
 
@@ -146,8 +150,9 @@ struct perf_counter_hw_event {
                                 mmap           :  1, /* include mmap data     */
                                 munmap         :  1, /* include munmap data   */
                                 comm           :  1, /* include comm data     */
+                                freq           :  1, /* use freq, not period  */
 
-                                __reserved_1   : 52;
+                                __reserved_1   : 51;
 
         __u32                   extra_config_len;
         __u32                   wakeup_events;  /* wakeup every n events */
@@ -337,6 +342,7 @@ struct hw_perf_counter {
         atomic64_t                      prev_count;
         u64                             irq_period;
         atomic64_t                      period_left;
+        u64                             interrupts;
 #endif
 };