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Subject[PATCH 6/7] perf record: Use perf_data_file__write for output file
Date
Changing the file output code to use the newly
added perf_data_file__write interface.

No functional change intended.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-record.c | 23 ++++++++---------------
1 file changed, 8 insertions(+), 15 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index d93e2ee..1be39e2 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -76,24 +76,17 @@ struct perf_record {
long samples;
};

-static int perf_record__write(struct perf_record *rec, void *buf, size_t size)
+static ssize_t perf_record__write(struct perf_record *rec,
+ void *buf, size_t size)
{
- struct perf_data_file *file = &rec->file;
-
- while (size) {
- ssize_t ret = write(file->fd, buf, size);
-
- if (ret < 0) {
- pr_err("failed to write perf data, error: %m\n");
- return -1;
- }
-
- size -= ret;
- buf += ret;
+ struct perf_session *session = rec->session;
+ ssize_t ret;

- rec->bytes_written += ret;
- }
+ ret = perf_data_file__write(session->file, buf, size);
+ if (ret < 0)
+ return -1;

+ rec->bytes_written += ret;
return 0;
}

--
1.8.3.1


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