tracing: Remove cpu arg from the rb_time_stamp() function

The cpu argument is not used inside the rb_time_stamp() function.
Plus fix a typo.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20091023233647.118547500@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h
index c134dd1..09077f6 100644 (file)
--- a/include/linux/trace_seq.h
+++ b/include/linux/trace_seq.h
@@ -7,7 +7,7 @@
 
 /*
  * Trace sequences are used to allow a function to call several other functions
- * to create a string of data to use (up to a max of PAGE_SIZE.
+ * to create a string of data to use (up to a max of PAGE_SIZE).
  */
 
 struct trace_seq {

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 217f699..3ffa502 100644 (file)
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -483,7 +483,7 @@ struct ring_buffer_iter {
 /* Up this if you want to test the TIME_EXTENTS and normalization */
 #define DEBUG_SHIFT 0
 
-static inline u64 rb_time_stamp(struct ring_buffer *buffer, int cpu)
+static inline u64 rb_time_stamp(struct ring_buffer *buffer)
 {
        /* shift to debug/test normalization and TIME_EXTENTS */
        return buffer->clock() << DEBUG_SHIFT;
@@ -494,7 +494,7 @@ u64 ring_buffer_time_stamp(struct ring_buffer *buffer, int cpu)
        u64 time;
 
        preempt_disable_notrace();
-       time = rb_time_stamp(buffer, cpu);
+       time = rb_time_stamp(buffer);
        preempt_enable_no_resched_notrace();
 
        return time;
@@ -599,7 +599,7 @@ static struct list_head *rb_list_head(struct list_head *list)
 }
 
 /*
- * rb_is_head_page - test if the give page is the head page
+ * rb_is_head_page - test if the given page is the head page
  *
  * Because the reader may move the head_page pointer, we can
  * not trust what the head page is (it may be pointing to
@@ -1868,7 +1868,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer,
                 * Nested commits always have zero deltas, so
                 * just reread the time stamp
                 */
-               *ts = rb_time_stamp(buffer, cpu_buffer->cpu);
+               *ts = rb_time_stamp(buffer);
                next_page->page->time_stamp = *ts;
        }
 
@@ -2111,7 +2111,7 @@ rb_reserve_next_event(struct ring_buffer *buffer,
        if (RB_WARN_ON(cpu_buffer, ++nr_loops > 1000))
                goto out_fail;
 
-       ts = rb_time_stamp(cpu_buffer->buffer, cpu_buffer->cpu);
+       ts = rb_time_stamp(cpu_buffer->buffer);
 
        /*
         * Only the first commit can update the timestamp.