From: Kan Liang <kan.li...@intel.com>
copyfile_offset could be used to merge per thread file to perf.data in
the following patch.
Signed-off-by: Kan Liang <kan.li...@intel.com>
---
tools/perf/util/util.c | 2 +-
tools/perf/util/util.h | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 97e0c8e..a003ce4 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -188,7 +188,7 @@ static int slow_copyfile(const char *from, const char *to,
struct nsinfo *nsi)
return err;
}
-static int copyfile_offset(int ifd, loff_t off_in, int ofd, loff_t off_out,
u64 size)
+int copyfile_offset(int ifd, loff_t off_in, int ofd, loff_t off_out, u64 size)
{
void *ptr;
loff_t pgoff;
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 6c7e6cc..0e1358f 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -5,6 +5,7 @@
/* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */
#define _DEFAULT_SOURCE 1
+#include <fcntl.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
@@ -34,6 +35,7 @@ bool lsdir_no_dot_filter(const char *name, struct dirent *d);
int copyfile(const char *from, const char *to);
int copyfile_mode(const char *from, const char *to, mode_t mode);
int copyfile_ns(const char *from, const char *to, struct nsinfo *nsi);
+int copyfile_offset(int fromfd, loff_t from_ofs, int tofd, loff_t to_ofs, u64
size);
ssize_t readn(int fd, void *buf, size_t n);
ssize_t writen(int fd, const void *buf, size_t n);
--
2.7.4
