From 3104e55f298c9af087a0d07b99627aa476db6e27 Mon Sep 17 00:00:00 2001
From: zaidoon <zaidoon@cloudflare.com>
Date: Tue, 27 Feb 2024 15:07:00 -0800
Subject: [PATCH] update DB::DumpSupportInfo to log whether jemalloc is
 supported or not (#12386)

Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/12386

Reviewed By: cbi42

Differential Revision: D54231896

Pulled By: ajkr

fbshipit-source-id: 6b3357b2e97d3599955e303810088bb5d5896199
---
 db/db_impl/db_impl.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/db/db_impl/db_impl.cc b/db/db_impl/db_impl.cc
index b0465815e9..ab83e86d70 100644
--- a/db/db_impl/db_impl.cc
+++ b/db/db_impl/db_impl.cc
@@ -71,6 +71,9 @@
 #include "options/cf_options.h"
 #include "options/options_helper.h"
 #include "options/options_parser.h"
+#ifdef ROCKSDB_JEMALLOC
+#include "port/jemalloc_helper.h"
+#endif
 #include "port/port.h"
 #include "rocksdb/cache.h"
 #include "rocksdb/compaction_filter.h"
@@ -148,6 +151,12 @@ void DumpSupportInfo(Logger* logger) {
                    crc32c::IsFastCrc32Supported().c_str());
 
   ROCKS_LOG_HEADER(logger, "DMutex implementation: %s", DMutex::kName());
+
+  bool jemalloc_supported = false;
+#ifdef ROCKSDB_JEMALLOC
+  jemalloc_supported = HasJemalloc();
+#endif
+  ROCKS_LOG_HEADER(logger, "Jemalloc supported: %d", jemalloc_supported);
 }
 }  // namespace