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From:   Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
To:     Arnaldo Carvalho de Melo <acme@kernel.org>
Cc:     Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        Andi Kleen <ak@linux.intel.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Alexander Antonov <alexander.antonov@linux.intel.com>,
        Alexei Budankov <abudankov@huawei.com>,
        Riccardo Mancini <rickyman7@gmail.com>
Subject: [PATCH v11 17/24] perf session: Move reader structure to the top
Date:   Tue, 17 Aug 2021 11:23:20 +0300
Message-Id: <2bfd2c70361f581923457f430a65967e873c2a45.1629186429.git.alexey.v.bayduraev@linux.intel.com>
In-Reply-To: <cover.1629186429.git.alexey.v.bayduraev@linux.intel.com>
References: <cover.1629186429.git.alexey.v.bayduraev@linux.intel.com>
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Moving reader structure to the top of the file. This is necessary
for the further use of this structure in the decompressor.

Acked-by: Namhyung Kim <namhyung@gmail.com>
Reviewed-by: Riccardo Mancini <rickyman7@gmail.com>
Tested-by: Riccardo Mancini <rickyman7@gmail.com>
Signed-off-by: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
---
 tools/perf/util/session.c | 56 +++++++++++++++++++--------------------
 1 file changed, 28 insertions(+), 28 deletions(-)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 207edce176c4..fe7d986cb094 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -36,6 +36,34 @@
 #include "units.h"
 #include <internal/lib.h>
 
+/*
+ * On 64bit we can mmap the data file in one go. No need for tiny mmap
+ * slices. On 32bit we use 32MB.
+ */
+#if BITS_PER_LONG == 64
+#define MMAP_SIZE ULLONG_MAX
+#define NUM_MMAPS 1
+#else
+#define MMAP_SIZE (32 * 1024 * 1024ULL)
+#define NUM_MMAPS 128
+#endif
+
+struct reader;
+
+typedef s64 (*reader_cb_t)(struct perf_session *session,
+			   union perf_event *event,
+			   u64 file_offset,
+			   const char *file_path);
+
+struct reader {
+	int		 fd;
+	const char	 *path;
+	u64		 data_size;
+	u64		 data_offset;
+	reader_cb_t	 process;
+	bool		 in_place_update;
+};
+
 #ifdef HAVE_ZSTD_SUPPORT
 static int perf_session__process_compressed_event(struct perf_session *session,
 						  union perf_event *event, u64 file_offset,
@@ -2148,34 +2176,6 @@ static int __perf_session__process_decomp_events(struct perf_session *session)
 	return 0;
 }
 
-/*
- * On 64bit we can mmap the data file in one go. No need for tiny mmap
- * slices. On 32bit we use 32MB.
- */
-#if BITS_PER_LONG == 64
-#define MMAP_SIZE ULLONG_MAX
-#define NUM_MMAPS 1
-#else
-#define MMAP_SIZE (32 * 1024 * 1024ULL)
-#define NUM_MMAPS 128
-#endif
-
-struct reader;
-
-typedef s64 (*reader_cb_t)(struct perf_session *session,
-			   union perf_event *event,
-			   u64 file_offset,
-			   const char *file_path);
-
-struct reader {
-	int		 fd;
-	const char	 *path;
-	u64		 data_size;
-	u64		 data_offset;
-	reader_cb_t	 process;
-	bool		 in_place_update;
-};
-
 static int
 reader__process_events(struct reader *rd, struct perf_session *session,
 		       struct ui_progress *prog)
-- 
2.19.0