update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / rocksdb / tools / block_cache_analyzer / block_cache_trace_analyzer_tool.cc

diff --git a/ceph/src/rocksdb/tools/block_cache_analyzer/block_cache_trace_analyzer_tool.cc b/ceph/src/rocksdb/tools/block_cache_analyzer/block_cache_trace_analyzer_tool.cc
new file mode 100644 (file)
index 0000000..44fec55
--- /dev/null
+++ b/ceph/src/rocksdb/tools/block_cache_analyzer/block_cache_trace_analyzer_tool.cc
@@ -0,0 +1,25 @@
+//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+//
+#ifndef ROCKSDB_LITE
+#ifndef GFLAGS
+#include <cstdio>
+int main() {
+  fprintf(stderr, "Please install gflags to run rocksdb tools\n");
+  return 1;
+}
+#else  // GFLAGS
+#include "tools/block_cache_analyzer/block_cache_trace_analyzer.h"
+int main(int argc, char** argv) {
+  return ROCKSDB_NAMESPACE::block_cache_trace_analyzer_tool(argc, argv);
+}
+#endif  // GFLAGS
+#else   // ROCKSDB_LITE
+#include <stdio.h>
+int main(int /*argc*/, char** /*argv*/) {
+  fprintf(stderr, "Not supported in lite mode.\n");
+  return 1;
+}
+#endif  // ROCKSDB_LITE