diff --git a/0001-common-Cycles-Do-not-initialize-Cycles-globally.patch b/0001-common-Cycles-Do-not-initialize-Cycles-globally.patch
new file mode 100644
index 0000000..1ef0926
--- /dev/null
+++ b/0001-common-Cycles-Do-not-initialize-Cycles-globally.patch
@@ -0,0 +1,93 @@
+From 1c2831a2c1277c69f9649200d74a75c04a4b0296 Mon Sep 17 00:00:00 2001
+From: "Richard W.M. Jones" <rjones@redhat.com>
+Date: Mon, 21 Mar 2016 14:24:35 +0000
+Subject: [PATCH] common/Cycles: Do not initialize Cycles globally.
+
+Move initialization to the few tests that actually use it.
+
+Fixes: http://tracker.ceph.com/issues/15225
+Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
+---
+ src/common/Cycles.cc                                    | 11 ++++++-----
+ src/test/msgr/perf_msgr_client.cc                       |  1 +
+ src/test/msgr/perf_msgr_server.cc                       |  1 -
+ src/test/objectstore/ObjectStoreTransactionBenchmark.cc |  1 +
+ src/test/perf_local.cc                                  |  1 +
+ 5 files changed, 9 insertions(+), 6 deletions(-)
+
+diff --git a/src/common/Cycles.cc b/src/common/Cycles.cc
+index b0b687e..656f08b 100644
+--- a/src/common/Cycles.cc
++++ b/src/common/Cycles.cc
+@@ -38,14 +38,15 @@
+ #include "Cycles.h"
+ 
+ double Cycles::cycles_per_sec = 0;
+-static Initialize _(Cycles::init);
+ 
+ /**
+  * Perform once-only overall initialization for the Cycles class, such
+- * as calibrating the clock frequency.  This method is invoked automatically
+- * during initialization, but it may be invoked explicitly by other modules
+- * to ensure that initialization occurs before those modules initialize
+- * themselves.
++ * as calibrating the clock frequency.  This method must be called
++ * before using the Cycles module.
++ *
++ * It is not initialized by default because the timing loops cause
++ * general process startup times to balloon
++ * (http://tracker.ceph.com/issues/15225).
+  */
+ void Cycles::init()
+ {
+diff --git a/src/test/msgr/perf_msgr_client.cc b/src/test/msgr/perf_msgr_client.cc
+index fa21b49..1cb3db2 100644
+--- a/src/test/msgr/perf_msgr_client.cc
++++ b/src/test/msgr/perf_msgr_client.cc
+@@ -196,6 +196,7 @@ int main(int argc, char **argv)
+   cerr << "       message data bytes " << len << std::endl;
+   MessengerClient client(g_ceph_context->_conf->ms_type, args[0], think_time);
+   client.ready(concurrent, numjobs, ios, len);
++  Cycles::init();
+   uint64_t start = Cycles::rdtsc();
+   client.start();
+   uint64_t stop = Cycles::rdtsc();
+diff --git a/src/test/msgr/perf_msgr_server.cc b/src/test/msgr/perf_msgr_server.cc
+index 3eae9a5..dde679c 100644
+--- a/src/test/msgr/perf_msgr_server.cc
++++ b/src/test/msgr/perf_msgr_server.cc
+@@ -25,7 +25,6 @@ using namespace std;
+ #include "include/atomic.h"
+ #include "common/ceph_argparse.h"
+ #include "common/debug.h"
+-#include "common/Cycles.h"
+ #include "global/global_init.h"
+ #include "msg/Messenger.h"
+ #include "messages/MOSDOp.h"
+diff --git a/src/test/objectstore/ObjectStoreTransactionBenchmark.cc b/src/test/objectstore/ObjectStoreTransactionBenchmark.cc
+index 7c0dc09..46fd25d 100644
+--- a/src/test/objectstore/ObjectStoreTransactionBenchmark.cc
++++ b/src/test/objectstore/ObjectStoreTransactionBenchmark.cc
+@@ -249,6 +249,7 @@ int main(int argc, char **argv)
+   global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT, CODE_ENVIRONMENT_UTILITY, 0);
+   common_init_finish(g_ceph_context);
+   g_ceph_context->_conf->apply_changes(NULL);
++  Cycles::init();
+ 
+   cerr << "args: " << args << std::endl;
+   if (args.size() < 1) {
+diff --git a/src/test/perf_local.cc b/src/test/perf_local.cc
+index 49440c2..7c33dc5 100644
+--- a/src/test/perf_local.cc
++++ b/src/test/perf_local.cc
+@@ -1020,6 +1020,7 @@ int main(int argc, char *argv[])
+ 
+   global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT, CODE_ENVIRONMENT_UTILITY, 0);
+   common_init_finish(g_ceph_context);
++  Cycles::init();
+ 
+   bind_thread_to_cpu(3);
+   if (argc == 1) {
+-- 
+2.7.4
+
diff --git a/ceph.spec b/ceph.spec
index f5aaf05..dfe071e 100644
--- a/ceph.spec
+++ b/ceph.spec
@@ -6,7 +6,7 @@
 %bcond_without libs_compat
 %bcond_with lowmem_builder
 %if 0%{?fedora} || 0%{?rhel}
-%bcond_without selinux
+%bcond_with selinux
 %endif
 %if 0%{?suse_version}
 %bcond_with selinux
@@ -55,7 +55,7 @@ restorecon -R /var/log/ceph > /dev/null 2>&1;
 #################################################################################
 Name:		ceph
 Version:	9.2.0
-Release:	4%{?dist}
+Release:	5%{?dist}
 Epoch:		1
 Summary:	User space components of the Ceph file system
 License:	LGPL-2.1 and CC-BY-SA-1.0 and GPL-2.0 and BSL-1.0 and GPL-2.0-with-autoconf-exception and BSD-3-Clause and MIT
@@ -68,6 +68,8 @@ Source0:	http://ceph.com/download/%{name}-%{version}.tar.bz2
 Patch0:		init-ceph.in-fedora.patch
 %endif
 Patch1:		0001-Disable-erasure_codelib-neon-build.patch
+# Upstream commit 1c2831a2, fixes RHBZ#1319483
+Patch2:         0001-common-Cycles-Do-not-initialize-Cycles-globally.patch
 #################################################################################
 # dependencies that apply across all distro families
 #################################################################################
@@ -542,6 +544,7 @@ python-cephfs instead.
 %patch0 -p1 -b .init
 %endif
 %patch1 -p1 -b .neon
+%patch2 -p1 -b .cycles
 
 %build
 %if 0%{with cephfs_java}
@@ -1328,6 +1331,10 @@ exit 0
 # actually build this meta package.
 
 %changelog
+* Mon Apr 11 2016 Richard W.M. Jones <rjones@redhat.com> - 1:9.2.0-5
+- Fix large startup times of processes linking to -lrbd.
+  Backport upstream commit 1c2831a2, fixes RHBZ#1319483.
+
 * Wed Feb 03 2016 Fedora Release Engineering <releng@fedoraproject.org> - 1:9.2.0-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild