From: Jiri Olsa <jolsa@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: Jiri Olsa <jolsa@redhat.com>, Ingo Molnar <mingo@kernel.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
Namhyung Kim <namhyung@kernel.org>,
Mike Galbraith <efault@gmx.de>, David Ahern <dsahern@gmail.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: [PATCH 6/7] perf record: Use perf_data_file__write for output file
Date: Thu, 28 Nov 2013 11:30:18 +0100 [thread overview]
Message-ID: <1385634619-8129-7-git-send-email-jolsa@redhat.com> (raw)
In-Reply-To: <1385634619-8129-1-git-send-email-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, 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
next prev parent reply other threads:[~2013-11-28 10:32 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-28 10:30 [PATCHv2 0/7] perf tools: Add data file write interface Jiri Olsa
2013-11-28 10:30 ` [PATCH 1/7] perf record: Unify data output code into perf_record__write function Jiri Olsa
2013-12-04 15:40 ` [tip:perf/core] " tip-bot for Jiri Olsa
2013-11-28 10:30 ` [PATCH 2/7] perf tools: Use correct return type for readn function Jiri Olsa
2013-12-04 15:40 ` [tip:perf/core] " tip-bot for Jiri Olsa
2013-11-28 10:30 ` [PATCH 3/7] perf tools: Fine tune " Jiri Olsa
2013-11-28 15:19 ` David Ahern
2013-11-28 15:43 ` [PATCHv3 " Jiri Olsa
2013-11-28 16:03 ` David Ahern
2013-12-04 15:40 ` [tip:perf/core] " tip-bot for Jiri Olsa
2013-11-28 10:30 ` [PATCH 4/7] perf tools: Add writen function Jiri Olsa
2013-12-04 15:40 ` [tip:perf/core] " tip-bot for Jiri Olsa
2013-11-28 10:30 ` [PATCH 5/7] perf tools: Add perf_data_file__write interface Jiri Olsa
2013-12-04 15:40 ` [tip:perf/core] " tip-bot for Jiri Olsa
2013-11-28 10:30 ` Jiri Olsa [this message]
2013-11-28 14:03 ` [PATCH 6/7] perf record: Use perf_data_file__write for output file Arnaldo Carvalho de Melo
2013-11-28 15:21 ` [PATCHv3 " Jiri Olsa
2013-11-28 10:30 ` [PATCH 7/7] perf inject: Handle output file via perf_data_file object Jiri Olsa
2013-11-28 14:14 ` Arnaldo Carvalho de Melo
2013-11-28 15:30 ` Jiri Olsa
2013-11-28 10:36 ` [PATCHv2 0/7] perf tools: Add data file write interface Jiri Olsa
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