1 files changed, 16 insertions, 9 deletions

diff --git a/kernel/trace/ring_buffer_benchmark.c b/kernel/trace/ring_buffer_benchmark.c
index 573d3cc762c3..70df73e4ff21 100644
--- a/kernel/trace/ring_buffer_benchmark.c
+++ b/kernel/trace/ring_buffer_benchmark.c
@@ -35,6 +35,10 @@ static int disable_reader;
 module_param(disable_reader, uint, 0644);
 MODULE_PARM_DESC(disable_reader, "only run producer");
 
+static int write_iteration = 50;
+module_param(write_iteration, uint, 0644);
+MODULE_PARM_DESC(write_iteration, "# of writes between timestamp readings");
+
 static int read_events;
 
 static int kill_test;
@@ -208,15 +212,18 @@ static void ring_buffer_producer(void)
         do {
                 struct ring_buffer_event *event;
                 int *entry;
-
-                event = ring_buffer_lock_reserve(buffer, 10);
-                if (!event) {
-                        missed++;
-                } else {
-                        hit++;
-                        entry = ring_buffer_event_data(event);
-                        *entry = smp_processor_id();
-                        ring_buffer_unlock_commit(buffer, event);
+                int i;
+
+                for (i = 0; i < write_iteration; i++) {
+                        event = ring_buffer_lock_reserve(buffer, 10);
+                        if (!event) {
+                                missed++;
+                        } else {
+                                hit++;
+                                entry = ring_buffer_event_data(event);
+                                *entry = smp_processor_id();
+                                ring_buffer_unlock_commit(buffer, event);
+                        }
                 }
                 do_gettimeofday(&end_tv);