Messages in this thread Patch in this message |  | | From | Jiri Olsa <> | Subject | [PATCH 6/7] perf record: Use perf_data_file__write for output file | Date | Thu, 28 Nov 2013 11:30:18 +0100 |
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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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