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authorJiri Olsa <jolsa@redhat.com>2013-11-22 13:11:24 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-12-19 14:22:44 -0300
commit50a9b8680613a2708ca882d982dcfa4fd9a66673 (patch)
treec4627775415e68a6f38acb8588a0ebff321bbf26 /tools/perf/builtin-record.c
parent3406912cc1c631dea7ff050a9df92216e5a70e98 (diff)
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@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>
Diffstat (limited to 'tools/perf/builtin-record.c')
-rw-r--r--tools/perf/builtin-record.c23
1 files changed, 9 insertions, 14 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index c1c1200d2f0..8eed3d752c8 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;
}