Commit-ID: 50a9b8680613a2708ca882d982dcfa4fd9a66673
Gitweb: http://git.kernel.org/tip/50a9b8680613a2708ca882d982dcfa4fd9a66673
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Fri, 22 Nov 2013 13:11:24 +0100
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Thu, 19 Dec 2013 14:22:44 -0300
perf record: Use perf_data_file__write for output file
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@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-record.c | 23 +++++++++--------------
1 file changed, 9 insertions(+), 14 deletions(-)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index c1c1200..8eed3d7 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -76,24 +76,19 @@ 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) {
+ pr_err("failed to write perf data, error: %m\n");
+ return -1;
}
+ rec->bytes_written += ret;
return 0;
}
--
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