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Modify interrupt load balancing policy on reboot/stop

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When rebooting:
1. Stop irqbalance
2. Modify /proc/irq/*/smp_affinity so that McKernel cores are not
   included
3. Start irqbalance with McKernel cores and IHK IRQ banned from
   load balancing

When stopping:
1. Stop irqbalance
2. Restore /proc/irq/*/smp_affinity
3. Restart irqbalance with the system default settings

refs #760
This commit is contained in:
Masamichi Takagi
2016-09-09 19:17:40 +09:00
parent e551aa17ed
commit 2f95f7cda8
7 changed files with 87 additions and 1 deletions
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6
configure.ac
View File

@ -146,6 +146,9 @@ case $WITH_TARGET in
if test "X$SBINDIR" = X; then
SBINDIR="$prefix/sbin"
fi
if test "X$ETCDIR" = X; then
ETCDIR="$prefix/etc"
fi
if test "X$KMODDIR" = X; then
KMODDIR="$prefix/kmod"
fi
@ -278,6 +281,7 @@ AC_SUBST(KDIR)
AC_SUBST(TARGET)
AC_SUBST(BINDIR)
AC_SUBST(SBINDIR)
AC_SUBST(ETCDIR)
AC_SUBST(KMODDIR)
AC_SUBST(KERNDIR)
AC_SUBST(MANDIR)
@ -307,6 +311,8 @@ AC_CONFIG_FILES([
arch/x86/tools/mcstop+release-smp-x86.sh
arch/x86/tools/mcshutdown-builtin-x86.sh
arch/x86/tools/mcreboot.1:arch/x86/tools/mcreboot.1in
arch/x86/tools/irqbalance_mck.service
arch/x86/tools/irqbalance_mck.in
])
AS_IF([test "x$enable_dcfa" = xyes], [