linux-kernel - [PATCH 03/14] perf data: Move size to struct perf_data

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Date:   Sun,  3 Feb 2019 16:30:07 +0100
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Stephane Eranian <eranian@...gle.com>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>
Subject: [PATCH 03/14] perf data: Move size to struct perf_data_file

We are about to add support for multiple files,
so we need each file to keep its size.

Link: http://lkml.kernel.org/n/tip-gcf5gtwxds3ggegu6evl0jvn@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/builtin-record.c | 5 ++---
 tools/perf/util/data.c      | 2 +-
 tools/perf/util/data.h      | 4 ++--
 3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 6cb587dcb60d..1ed48b488b50 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -659,10 +659,9 @@ static int process_sample_event(struct perf_tool *tool,
 
 static int process_buildids(struct record *rec)
 {
-	struct perf_data *data = &rec->data;
 	struct perf_session *session = rec->session;
 
-	if (data->size == 0)
+	if (perf_data__size(&rec->data) == 0)
 		return 0;
 
 	/*
@@ -850,7 +849,7 @@ record__finish_output(struct record *rec)
 		return;
 
 	rec->session->header.data_size += rec->bytes_written;
-	data->size = lseek(perf_data__fd(data), 0, SEEK_CUR);
+	data->file.size = lseek(perf_data__fd(data), 0, SEEK_CUR);
 
 	if (!rec->no_buildid) {
 		process_buildids(rec);
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
index d8cfc19ddb10..09eceda17fc2 100644
--- a/tools/perf/util/data.c
+++ b/tools/perf/util/data.c
@@ -82,7 +82,7 @@ static int open_file_read(struct perf_data *data)
 		goto out_close;
 	}
 
-	data->size = st.st_size;
+	data->file.size = st.st_size;
 	return fd;
 
  out_close:
diff --git a/tools/perf/util/data.h b/tools/perf/util/data.h
index 4828f7feea89..85f9c0dbf982 100644
--- a/tools/perf/util/data.h
+++ b/tools/perf/util/data.h
@@ -12,13 +12,13 @@ enum perf_data_mode {
 struct perf_data_file {
 	const char	*path;
 	int		 fd;
+	unsigned long	 size;
 };
 
 struct perf_data {
 	struct perf_data_file	 file;
 	bool			 is_pipe;
 	bool			 force;
-	unsigned long		 size;
 	enum perf_data_mode	 mode;
 };
 
@@ -44,7 +44,7 @@ static inline int perf_data__fd(struct perf_data *data)
 
 static inline unsigned long perf_data__size(struct perf_data *data)
 {
-	return data->size;
+	return data->file.size;
 }
 
 int perf_data__open(struct perf_data *data);
-- 
2.17.2