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authorJiri Olsa <jolsa@redhat.com>2009-10-23 19:36:19 -0400
committerIngo Molnar <mingo@elte.hu>2009-10-24 05:07:51 -0400
commit6d3f1e12f46a2f9a1bb7e7aa433df8dd31ce5647 (patch)
tree0c08371aefcf53b976d61e6a74667bcb21db3251
parent67b394f7f26d84edb7294cc6528ab7ca6daa2ad1 (diff)
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>
-rw-r--r--include/linux/trace_seq.h2
-rw-r--r--kernel/trace/ring_buffer.c10
2 files changed, 6 insertions, 6 deletions
diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h
index c134dd1fe6b6..09077f6ed128 100644
--- a/include/linux/trace_seq.h
+++ b/include/linux/trace_seq.h
@@ -7,7 +7,7 @@
7 7
8/* 8/*
9 * Trace sequences are used to allow a function to call several other functions 9 * Trace sequences are used to allow a function to call several other functions
10 * to create a string of data to use (up to a max of PAGE_SIZE. 10 * to create a string of data to use (up to a max of PAGE_SIZE).
11 */ 11 */
12 12
13struct trace_seq { 13struct trace_seq {
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 217f6991184f..3ffa502fb243 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -483,7 +483,7 @@ struct ring_buffer_iter {
483/* Up this if you want to test the TIME_EXTENTS and normalization */ 483/* Up this if you want to test the TIME_EXTENTS and normalization */
484#define DEBUG_SHIFT 0 484#define DEBUG_SHIFT 0
485 485
486static inline u64 rb_time_stamp(struct ring_buffer *buffer, int cpu) 486static inline u64 rb_time_stamp(struct ring_buffer *buffer)
487{ 487{
488 /* shift to debug/test normalization and TIME_EXTENTS */ 488 /* shift to debug/test normalization and TIME_EXTENTS */
489 return buffer->clock() << DEBUG_SHIFT; 489 return buffer->clock() << DEBUG_SHIFT;
@@ -494,7 +494,7 @@ u64 ring_buffer_time_stamp(struct ring_buffer *buffer, int cpu)
494 u64 time; 494 u64 time;
495 495
496 preempt_disable_notrace(); 496 preempt_disable_notrace();
497 time = rb_time_stamp(buffer, cpu); 497 time = rb_time_stamp(buffer);
498 preempt_enable_no_resched_notrace(); 498 preempt_enable_no_resched_notrace();
499 499
500 return time; 500 return time;
@@ -599,7 +599,7 @@ static struct list_head *rb_list_head(struct list_head *list)
599} 599}
600 600
601/* 601/*
602 * rb_is_head_page - test if the give page is the head page 602 * rb_is_head_page - test if the given page is the head page
603 * 603 *
604 * Because the reader may move the head_page pointer, we can 604 * Because the reader may move the head_page pointer, we can
605 * not trust what the head page is (it may be pointing to 605 * 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,
1868 * Nested commits always have zero deltas, so 1868 * Nested commits always have zero deltas, so
1869 * just reread the time stamp 1869 * just reread the time stamp
1870 */ 1870 */
1871 *ts = rb_time_stamp(buffer, cpu_buffer->cpu); 1871 *ts = rb_time_stamp(buffer);
1872 next_page->page->time_stamp = *ts; 1872 next_page->page->time_stamp = *ts;
1873 } 1873 }
1874 1874
@@ -2111,7 +2111,7 @@ rb_reserve_next_event(struct ring_buffer *buffer,
2111 if (RB_WARN_ON(cpu_buffer, ++nr_loops > 1000)) 2111 if (RB_WARN_ON(cpu_buffer, ++nr_loops > 1000))
2112 goto out_fail; 2112 goto out_fail;
2113 2113
2114 ts = rb_time_stamp(cpu_buffer->buffer, cpu_buffer->cpu); 2114 ts = rb_time_stamp(cpu_buffer->buffer);
2115 2115
2116 /* 2116 /*
2117 * Only the first commit can update the timestamp. 2117 * Only the first commit can update the timestamp.