Fix large startup times of processes linking to -lrbd.
Backport upstream commit 1c2831a2, fixes RHBZ#1319483.
This commit is contained in:
Richard W.M. Jones
parent
5e7cff58f4
commit
6d2e42e155
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@ -0,0 +1,93 @@
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From 1c2831a2c1277c69f9649200d74a75c04a4b0296 Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Mon, 21 Mar 2016 14:24:35 +0000
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Subject: [PATCH] common/Cycles: Do not initialize Cycles globally.
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Move initialization to the few tests that actually use it.
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Fixes: http://tracker.ceph.com/issues/15225
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Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
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---
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src/common/Cycles.cc | 11 ++++++-----
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src/test/msgr/perf_msgr_client.cc | 1 +
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src/test/msgr/perf_msgr_server.cc | 1 -
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src/test/objectstore/ObjectStoreTransactionBenchmark.cc | 1 +
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src/test/perf_local.cc | 1 +
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5 files changed, 9 insertions(+), 6 deletions(-)
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diff --git a/src/common/Cycles.cc b/src/common/Cycles.cc
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index b0b687e..656f08b 100644
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--- a/src/common/Cycles.cc
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+++ b/src/common/Cycles.cc
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@@ -38,14 +38,15 @@
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#include "Cycles.h"
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double Cycles::cycles_per_sec = 0;
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-static Initialize _(Cycles::init);
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/**
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* Perform once-only overall initialization for the Cycles class, such
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- * as calibrating the clock frequency. This method is invoked automatically
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- * during initialization, but it may be invoked explicitly by other modules
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- * to ensure that initialization occurs before those modules initialize
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- * themselves.
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+ * as calibrating the clock frequency. This method must be called
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+ * before using the Cycles module.
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+ *
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+ * It is not initialized by default because the timing loops cause
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+ * general process startup times to balloon
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+ * (http://tracker.ceph.com/issues/15225).
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*/
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void Cycles::init()
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{
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diff --git a/src/test/msgr/perf_msgr_client.cc b/src/test/msgr/perf_msgr_client.cc
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index fa21b49..1cb3db2 100644
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--- a/src/test/msgr/perf_msgr_client.cc
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+++ b/src/test/msgr/perf_msgr_client.cc
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@@ -196,6 +196,7 @@ int main(int argc, char **argv)
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cerr << " message data bytes " << len << std::endl;
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MessengerClient client(g_ceph_context->_conf->ms_type, args[0], think_time);
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client.ready(concurrent, numjobs, ios, len);
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+ Cycles::init();
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uint64_t start = Cycles::rdtsc();
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client.start();
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uint64_t stop = Cycles::rdtsc();
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diff --git a/src/test/msgr/perf_msgr_server.cc b/src/test/msgr/perf_msgr_server.cc
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index 3eae9a5..dde679c 100644
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--- a/src/test/msgr/perf_msgr_server.cc
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+++ b/src/test/msgr/perf_msgr_server.cc
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@@ -25,7 +25,6 @@ using namespace std;
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#include "include/atomic.h"
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#include "common/ceph_argparse.h"
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#include "common/debug.h"
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-#include "common/Cycles.h"
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#include "global/global_init.h"
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#include "msg/Messenger.h"
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#include "messages/MOSDOp.h"
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diff --git a/src/test/objectstore/ObjectStoreTransactionBenchmark.cc b/src/test/objectstore/ObjectStoreTransactionBenchmark.cc
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index 7c0dc09..46fd25d 100644
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--- a/src/test/objectstore/ObjectStoreTransactionBenchmark.cc
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+++ b/src/test/objectstore/ObjectStoreTransactionBenchmark.cc
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@@ -249,6 +249,7 @@ int main(int argc, char **argv)
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global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT, CODE_ENVIRONMENT_UTILITY, 0);
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common_init_finish(g_ceph_context);
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g_ceph_context->_conf->apply_changes(NULL);
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+ Cycles::init();
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cerr << "args: " << args << std::endl;
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if (args.size() < 1) {
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diff --git a/src/test/perf_local.cc b/src/test/perf_local.cc
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index 49440c2..7c33dc5 100644
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--- a/src/test/perf_local.cc
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+++ b/src/test/perf_local.cc
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@@ -1020,6 +1020,7 @@ int main(int argc, char *argv[])
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global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT, CODE_ENVIRONMENT_UTILITY, 0);
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common_init_finish(g_ceph_context);
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+ Cycles::init();
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bind_thread_to_cpu(3);
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if (argc == 1) {
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--
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2.7.4
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11
ceph.spec
11
ceph.spec
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@ -6,7 +6,7 @@
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%bcond_without libs_compat
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%bcond_with lowmem_builder
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%if 0%{?fedora} || 0%{?rhel}
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%bcond_without selinux
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%bcond_with selinux
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%endif
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%if 0%{?suse_version}
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%bcond_with selinux
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@ -55,7 +55,7 @@ restorecon -R /var/log/ceph > /dev/null 2>&1;
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#################################################################################
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Name: ceph
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Version: 9.2.0
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Release: 4%{?dist}
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Release: 5%{?dist}
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Epoch: 1
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Summary: User space components of the Ceph file system
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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
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@ -68,6 +68,8 @@ Source0: http://ceph.com/download/%{name}-%{version}.tar.bz2
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Patch0: init-ceph.in-fedora.patch
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%endif
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Patch1: 0001-Disable-erasure_codelib-neon-build.patch
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# Upstream commit 1c2831a2, fixes RHBZ#1319483
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Patch2: 0001-common-Cycles-Do-not-initialize-Cycles-globally.patch
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#################################################################################
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# dependencies that apply across all distro families
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#################################################################################
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@ -542,6 +544,7 @@ python-cephfs instead.
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%patch0 -p1 -b .init
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%endif
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%patch1 -p1 -b .neon
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%patch2 -p1 -b .cycles
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%build
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%if 0%{with cephfs_java}
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@ -1328,6 +1331,10 @@ exit 0
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# actually build this meta package.
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%changelog
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* Mon Apr 11 2016 Richard W.M. Jones <rjones@redhat.com> - 1:9.2.0-5
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- Fix large startup times of processes linking to -lrbd.
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Backport upstream commit 1c2831a2, fixes RHBZ#1319483.
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* Wed Feb 03 2016 Fedora Release Engineering <releng@fedoraproject.org> - 1:9.2.0-4
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- Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
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