From 6fa88dd103e43e8275ddb74f9ab2b9a7df72b677 Mon Sep 17 00:00:00 2001 From: "Danilo C. L. de Paula" Date: Mon, 5 Oct 2020 11:04:44 -0400 Subject: [PATCH] * Mon Oct 05 2020 Danilo Cesar Lemes de Paula - 5.1.0-11.el8_3 - kvm-migration-increase-max-bandwidth-to-128-MiB-s-1-Gib-.patch [bz#1874004] - kvm-redhat-Make-all-generated-so-files-executable-not-on.patch [bz#1876635] - Resolves: bz#1874004 (Live migration performance is poor during guest installation process on power host) - Resolves: bz#1876635 (VM fails to start with a passthrough smartcard) --- ...se-max-bandwidth-to-128-MiB-s-1-Gib-.patch | 56 +++++++++++++++++++ qemu-kvm.spec | 18 ++++-- 2 files changed, 70 insertions(+), 4 deletions(-) create mode 100644 kvm-migration-increase-max-bandwidth-to-128-MiB-s-1-Gib-.patch diff --git a/kvm-migration-increase-max-bandwidth-to-128-MiB-s-1-Gib-.patch b/kvm-migration-increase-max-bandwidth-to-128-MiB-s-1-Gib-.patch new file mode 100644 index 0000000..64858cd --- /dev/null +++ b/kvm-migration-increase-max-bandwidth-to-128-MiB-s-1-Gib-.patch @@ -0,0 +1,56 @@ +From 60e1b84487fead757b5feaf0e55448338f2b2671 Mon Sep 17 00:00:00 2001 +From: Laurent Vivier +Date: Mon, 28 Sep 2020 11:06:48 -0400 +Subject: [PATCH 1/2] migration: increase max-bandwidth to 128 MiB/s (1 Gib/s) + +RH-Author: Laurent Vivier +Message-id: <20200928110648.342290-1-lvivier@redhat.com> +Patchwork-id: 98494 +O-Subject: [RHEL-AV-8.3.0 qemu-kvm PATCH] migration: increase max-bandwidth to 128 MiB/s (1 Gib/s) +Bugzilla: 1874004 +RH-Acked-by: Dr. David Alan Gilbert +RH-Acked-by: Daniel P. Berrange +RH-Acked-by: Greg Kurz + +max-bandwidth is set by default to 32 MiB/s (256 Mib/s) +since 2008 (5bb7910af031c). + +Most of the CPUs can dirty memory faster than that now, +and this is clearly a problem with POWER where the page +size is 64 kiB and not 4 KiB. + +Signed-off-by: Laurent Vivier +Message-Id: <20200921144957.979989-1-lvivier@redhat.com> +Reviewed-by: David Gibson +Reviewed-by: Greg Kurz +Reviewed-by: Dr. David Alan Gilbert +Signed-off-by: Dr. David Alan Gilbert +(cherry picked from commit 7590a2ae091fde8bb72d5df93977ab9707e23242) +Signed-off-by: Laurent Vivier + +BREW: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=31576368 +BZ: https://bugzilla.redhat.com/show_bug.cgi?id=1874004 +Upstream: Merged +Tested: checked a migration while an installation is running can end + before the end of installation +Signed-off-by: Danilo C. L. de Paula +--- + migration/migration.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/migration/migration.c b/migration/migration.c +index 7a89ce39a76..8193f33f768 100644 +--- a/migration/migration.c ++++ b/migration/migration.c +@@ -57,7 +57,7 @@ + #include "qemu/queue.h" + #include "multifd.h" + +-#define MAX_THROTTLE (32 << 20) /* Migration transfer speed throttling */ ++#define MAX_THROTTLE (128 << 20) /* Migration transfer speed throttling */ + + /* Amount of time to allocate to each "chunk" of bandwidth-throttled + * data. */ +-- +2.27.0 + diff --git a/qemu-kvm.spec b/qemu-kvm.spec index b871e53..fe669fc 100644 --- a/qemu-kvm.spec +++ b/qemu-kvm.spec @@ -69,7 +69,7 @@ Obsoletes: %1-rhev Summary: QEMU is a machine emulator and virtualizer Name: qemu-kvm Version: 5.1.0 -Release: 10%{?dist} +Release: 11%{?dist} # Epoch because we pushed a qemu-1.0 package. AIUI this can't ever be dropped Epoch: 15 License: GPLv2 and GPLv2+ and CC-BY @@ -197,6 +197,8 @@ Patch63: kvm-block-rbd-add-namespace-to-qemu_rbd_strong_runtime_o.patch Patch64: kvm-hw-nvram-fw_cfg-fix-FWCfgDataGeneratorClass-get_data.patch # For bz#1877209 - 'qemu-img bitmaps --merge' failed when trying to merge top volume bitmap to base volume bitmap Patch65: kvm-qemu-img-Support-bitmap-merge-into-backing-image.patch +# For bz#1874004 - Live migration performance is poor during guest installation process on power host +Patch66: kvm-migration-increase-max-bandwidth-to-128-MiB-s-1-Gib-.patch BuildRequires: wget BuildRequires: rpm-build @@ -946,9 +948,9 @@ install -m 0644 %{_sourcedir}/qemu-pr-helper.socket %{buildroot}%{_unitdir} find $RPM_BUILD_ROOT -name '*.la' -or -name '*.a' | xargs rm -f -# We need to make the block device modules executable else -# RPM won't pick up their dependencies. -chmod +x $RPM_BUILD_ROOT%{_libdir}/qemu-kvm/block-*.so +# We need to make the block device modules and other qemu SO files executable +# otherwise RPM won't pick up their dependencies. +chmod +x $RPM_BUILD_ROOT%{_libdir}/qemu-kvm/*.so # Remove buildinfo rm -rf $RPM_BUILD_ROOT%{qemudocdir}/interop/.buildinfo @@ -1162,6 +1164,14 @@ useradd -r -u 107 -g qemu -G kvm -d / -s /sbin/nologin \ %changelog +* Mon Oct 05 2020 Danilo Cesar Lemes de Paula - 5.1.0-11.el8_3 +- kvm-migration-increase-max-bandwidth-to-128-MiB-s-1-Gib-.patch [bz#1874004] +- kvm-redhat-Make-all-generated-so-files-executable-not-on.patch [bz#1876635] +- Resolves: bz#1874004 + (Live migration performance is poor during guest installation process on power host) +- Resolves: bz#1876635 + (VM fails to start with a passthrough smartcard) + * Mon Sep 28 2020 Danilo Cesar Lemes de Paula - 5.1.0-10.el8 - kvm-qemu-img-Support-bitmap-merge-into-backing-image.patch [bz#1877209] - Resolves: bz#1877209