perf record: Move perf_mmap__write_tail to perf.h

[deliverable/linux.git] / tools / perf / builtin-record.c

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index d89e2f106a622c8469d535bc025fc70b8aad4801..109f3b269ac5db4d605fff79fb0fb049f8007023 100644 (file)
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -80,17 +80,6 @@ static const char            *cpu_list;
 
 static struct perf_mmap                mmap_array[MAX_NR_CPUS];
 
-static void mmap_write_tail(struct perf_mmap *md, unsigned long tail)
-{
-       struct perf_event_mmap_page *pc = md->base;
-
-       /*
-        * ensure all reads are done before we write the tail out.
-        */
-       /* mb(); */
-       pc->data_tail = tail;
-}
-
 static void advance_output(size_t size)
 {
        bytes_written += size;
@@ -165,7 +154,7 @@ static void mmap_read(struct perf_mmap *md)
        write_output(buf, size);
 
        md->prev = old;
-       mmap_write_tail(md, old);
+       perf_mmap__write_tail(md, old);
 }
 
 static volatile int done = 0;