Messages in this thread Patch in this message | | | From | kan.liang@intel ... | Subject | [PATCH V2 3/5] perf tools: expose copyfile_offset() | Date | Wed, 18 Oct 2017 07:29:31 -0700 |
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From: Kan Liang <Kan.liang@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.liang@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
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