Add low latency per-cpu power management

Refactor low latency compute per-cpu power management
out of stx-nova into libvirt qemu hook

Story: 2004610
Task: 28508

Change-Id: I80432b36c4e71d957db51f1742ef87fb519acce2
Signed-off-by: Daniel Chavolla <daniel.chavolla@windriver.com>
This commit is contained in:
Daniel Chavolla 2019-01-24 10:51:36 -05:00
parent 5d7ebb734c
commit 1e9f9ff1f4
5 changed files with 81 additions and 33 deletions

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@ -1,2 +1,2 @@
COPY_LIST="$PKG_BASE/files/* $CGCS_BASE/downloads/swtpm-0.1.0-253eac5.tar.gz"
TIS_PATCH_VER=0
TIS_PATCH_VER=1

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@ -2,12 +2,12 @@
%define name swtpm
%define version 0.1.0
#WRS
#STX
#%define release 1
%define release 2%{?_tis_dist}.%{tis_patch_ver}
# Valid crypto subsystems are 'freebl' and 'openssl'
#WRS
#STX
#%if "%{crypto_subsystem}" == ""
%define crypto_subsystem openssl
#%endif
@ -15,7 +15,7 @@
Summary: TPM Emulator
Name: %{name}
Version: %{version}
#WRS
#STX
#Release: %{release}.dev2%{?dist}
Release: %{release}
License: BSD
@ -23,9 +23,8 @@ Group: Applications/Emulators
Source: %{name}-%{version}-253eac5.tar.gz
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
#WRS
Source1: qemu
Source2: setup_vtpm
#STX
Source1: setup_vtpm
# due to gnutls backlevel API:
@ -49,11 +48,11 @@ BuildRequires: libtasn1-tools
BuildRequires: kernel-modules-extra
%endif
#WRS
#STX
BuildRequires: openssl-devel
Requires: openssl
#WRS
#STX
Requires: seabios-bin >= 1.10.2-3
Requires: fuse expect libtpms >= 0.6.0
@ -94,7 +93,7 @@ Summary: Tools for the TPM emulator
License: BSD
Group: Applications/Emulators
Requires: swtpm fuse
#WRS
#STX
#Requires: trousers >= 0.3.9 tpm-tools >= 1.3.8-6 expect bash net-tools gnutls-utils
Requires: trousers >= 0.3.9 expect bash net-tools gnutls-utils
@ -106,9 +105,8 @@ Tools for the TPM emulator from the swtpm package
%attr( 755, root, root) %{_bindir}/swtpm
%{_mandir}/man8/swtpm.8*
#WRS
#STX
/etc/libvirt/setup_vtpm
/etc/libvirt/hooks/qemu
%files cuse
@ -158,7 +156,7 @@ Tools for the TPM emulator from the swtpm package
%build
#WRS
#STX
./bootstrap.sh
%configure \
--prefix=/usr \
@ -180,13 +178,12 @@ make %{?_smp_mflags} check
make %{?_smp_mflags} install DESTDIR=${RPM_BUILD_ROOT}
rm -f ${RPM_BUILD_ROOT}%{_libdir}/*.a ${RPM_BUILD_ROOT}%{_libdir}/*.la
#WRS
mkdir -p $RPM_BUILD_ROOT/etc/libvirt/hooks
#STX
mkdir -p $RPM_BUILD_ROOT/etc/libvirt
install -m 0500 %{SOURCE1} $RPM_BUILD_ROOT/etc/libvirt/hooks/qemu
install -m 0500 %{SOURCE2} $RPM_BUILD_ROOT/etc/libvirt/setup_vtpm
install -m 0500 %{SOURCE1} $RPM_BUILD_ROOT/etc/libvirt/setup_vtpm
# WRS: Don't set (or remove on uninstall): SELINUX Policy and contexts
# STX: Don't set (or remove on uninstall): SELINUX Policy and contexts
#%post cuse
#if [ -n "$(type -p semodule)" ]; then
# for pp in /usr/share/swtpm/*.pp ; do

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@ -1,6 +1,7 @@
SRC_DIR="$CGCS_BASE/git/libvirt"
COPY_LIST="\
libvirt/* \
libvirt/hooks/* \
$CGCS_BASE/downloads/gnulib-ffc927e.tar.gz \
$CGCS_BASE/downloads/keycodemapdb-16e5b07.tar.gz"
TIS_BASE_SRCREV=ab58260efaa712650c63bb1917122f270070fa4b

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@ -16,7 +16,7 @@
# Always run autoreconf
%{!?enable_autotools:%global enable_autotools 1}
# WRS: Custom build config. Based on the R2/bitbake configure line.
# STX: Custom build config. Based on the R2/bitbake configure line.
%define _without_esx 1
%define _without_hyperv 1
%define _without_libxl 1
@ -258,13 +258,14 @@ URL: https://libvirt.org/
Source0: http://libvirt.org/sources/%{?mainturl}libvirt-%{version}.tar.gz
#Source1: symlinks
# WRS
# STX
Source2: libvirt.logrotate
Source3: libvirt.lxc
Source4: libvirt.qemu
Source5: libvirt.uml
Source6: gnulib-ffc927e.tar.gz
Source7: keycodemapdb-16e5b07.tar.gz
Source8: qemu
Requires: libvirt-daemon = %{version}-%{release}
Requires: libvirt-daemon-config-network = %{version}-%{release}
@ -461,9 +462,9 @@ BuildRequires: wireshark-devel >= 1.12.1
BuildRequires: libssh-devel >= 0.7.0
%endif
# WRS: For generating configure
# STX: For generating configure
BuildRequires: gnulib
# WRS: Needed by bootstrap
# STX: Needed by bootstrap
BuildRequires: perl-XML-XPath
Provides: bundled(gnulib)
@ -1304,7 +1305,7 @@ rm -rf .git
# place macros above and build commands below this comment
# WRS: Generate configure script. Default is to do a "git clone" of gnulib.
# STX: Generate configure script. Default is to do a "git clone" of gnulib.
# Use the tar ball gnulib tarball instead.
tar zxf %{SOURCE6}
./bootstrap --no-git --gnulib-srcdir=gnulib-ffc927e --copy
@ -1379,7 +1380,7 @@ rm -f po/stamp-po
--without-dtrace \
%{arg_init_script}
#WRS: Avoid doing a 'config.status --recheck' (./configure executed twice).
#STX: Avoid doing a 'config.status --recheck' (./configure executed twice).
touch -r config.status configure
make %{?_smp_mflags}
@ -1470,7 +1471,7 @@ rm -rf $RPM_BUILD_ROOT%{_sysconfdir}/logrotate.d/libvirtd.uml
# Copied into libvirt-docs subpackage eventually
mv $RPM_BUILD_ROOT%{_datadir}/doc/libvirt-%{version} libvirt-docs
# WRS: Disable dtrace
# STX: Disable dtrace
# %ifarch %{power64} s390x x86_64 ia64 alpha sparc64
# mv $RPM_BUILD_ROOT%{_datadir}/systemtap/tapset/libvirt_probes.stp \
# $RPM_BUILD_ROOT%{_datadir}/systemtap/tapset/libvirt_probes-64.stp
@ -1478,7 +1479,7 @@ mv $RPM_BUILD_ROOT%{_datadir}/doc/libvirt-%{version} libvirt-docs
# $RPM_BUILD_ROOT%{_datadir}/systemtap/tapset/libvirt_qemu_probes-64.stp
# %endif
# WRS: Begin custom install
# STX: Begin custom install
## Enable syslog for libvirtd ( /var/log/libvirtd.log )
echo "log_outputs=\"3:syslog:libvirtd\"" >> %{buildroot}/etc/libvirt/libvirtd.conf
@ -1493,12 +1494,15 @@ install -p -D -m 644 %{SOURCE2} %{buildroot}/etc/logrotate.d/libvirtd
install -p -D -m 644 %{SOURCE3} %{buildroot}/etc/logrotate.d/libvirtd.lxc
install -p -D -m 644 %{SOURCE4} %{buildroot}/etc/logrotate.d/libvirtd.qemu
install -p -D -m 644 %{SOURCE5} %{buildroot}/etc/logrotate.d/libvirtd.uml
# WRS: End custom install
## Install hooks
mkdir -p $RPM_BUILD_ROOT/etc/libvirt/hooks
install -m 0500 %{SOURCE8} $RPM_BUILD_ROOT/etc/libvirt/hooks/qemu
# STX: End custom install
%clean
rm -fr %{buildroot}
# WRS: We are not maintaining the unit tests.
# STX: We are not maintaining the unit tests.
# %check
# cd tests
# # These tests don't current work in a mock build root
@ -1631,7 +1635,7 @@ if [ $1 -ge 1 ] ; then
fi
%post daemon-config-network
# WRS: The 'with_network' flag doesn't work properly. There are some packaging
# STX: The 'with_network' flag doesn't work properly. There are some packaging
# errors when using it. Disable default.xml manually ...
# We don't want 'virbr0' and 'virbr0-nic' interfaces created.
@ -1777,11 +1781,11 @@ exit 0
%files
# WRS: Customization
# STX: Customization
%dir /data/images/
%files docs
# TODO(WRS): NEWS is not present in git source repo.
# TODO(STX): NEWS is not present in git source repo.
%doc AUTHORS ChangeLog.gz README
%doc libvirt-docs/*
@ -1874,8 +1878,9 @@ exit 0
%doc examples/polkit/*.rules
# WRS: Customization
# STX: Customization
/etc/logrotate.d/*
/etc/libvirt/hooks/qemu
%files daemon-config-network
%dir %{_datadir}/libvirt/networks/
@ -2061,7 +2066,7 @@ exit 0
%{_bindir}/virt-pki-validate
%{_bindir}/virt-host-validate
# WRS: Disable dtrace
# STX: Disable dtrace
# %{_datadir}/systemtap/tapset/libvirt_probes*.stp
# %{_datadir}/systemtap/tapset/libvirt_qemu_probes*.stp
# %{_datadir}/systemtap/tapset/libvirt_functions.stp

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@ -34,6 +34,51 @@ OPERATION=$*
logger -p info -t $0 "hook qemu file guest $GUEST_NAME with operation $OPERATION"
# CPU Low latency setup:
#
# A cpu is set to low latency when:
# 1) host is set to subfunction=lowlatency in platform.conf and
# 2) domain has dedicated pinning
#
# example of <cputune> section when domain has dedicated pinning:
# <cputune>
# <vcpupin vcpu='0' cpuset='5'/>
# <vcpupin vcpu='1' cpuset='6'/>
# <vcpupin vcpu='2' cpuset='7'/>
# <emulatorpin cpuset='5'/>
# </cputune>
#
# example of <cputune> section when domain has shared pinning:
# <cputune>
# <shares>4096</shares>
# <vcpupin vcpu='0' cpuset='5-21'/>
# <vcpupin vcpu='1' cpuset='5-21'/>
# <vcpupin vcpu='2' cpuset='5-21'/>
# <vcpupin vcpu='3' cpuset='5-21'/>
# <emulatorpin cpuset='5-21'/>
# </cputune>
if [ "${OPERATION}" == "prepare begin -" ] || [ "${OPERATION}" == "stopped end -" ]; then
# verify this host is set as lowlatency
lowlat=$(cat /etc/platform/platform.conf 2>/dev/null | grep -E 'subfunction.*lowlatency')
if [ -n "${lowlat}" ]; then
# grab the <cputune> settings and remove single quotes
CPUTUNE=$(echo ${XML_DATA} | grep -oP '(?<=<cputune).*?(?=</cputune>)' | sed "s/'//g")
# grab all cpuset pinned to a unique CPU. Treat them as dedicated
CPUSET=($(echo ${CPUTUNE} | grep -oP '(?<=cpuset=)[^/]+(?=.+emulator)' | grep -vP '[^0-9]'))
if [ ${#CPUSET[@]} -ne 0 ]; then
# convert to a comma separated list
CPUS=$(IFS=, ; echo "${CPUSET[*]}")
if [ "${OPERATION}" == "prepare begin -" ]; then
/usr/bin/set-cpu-wakeup-latency.sh "low" "${CPUS}"
else
/usr/bin/set-cpu-wakeup-latency.sh "high" "${CPUS}"
fi
fi
fi
fi
VTPM_OPER=""
if [ "$OPERATION" == "prepare begin -" ]; then