| From | Arnaldo Carvalho de Melo <> | Subject | [PATCH 14/35] perf record: Use perf_data_file__write for output file | Date | Fri, 20 Dec 2013 16:08:49 -0300 |
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From: Jiri Olsa <jolsa@redhat.com>
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, 9 insertions(+), 14 deletions(-)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index c1c1200d2f0a..8eed3d752c80 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; } -- 1.8.1.4
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