From: Jerone Young <jyoung5@us.ibm.com>
To: kvm-devel@lists.sourceforge.net
Cc: kvm-ppc-devel@lists.sourceforge.net
Subject: [PATCH 0 of 2] [v2] Fix guest eating 100% cpu when guest is idle on PowerPC
Date: Fri, 25 Apr 2008 14:18:58 -0500 [thread overview]
Message-ID: <patchbomb.1209151138@thinkpadL> (raw)
* This update consolidates patches, adds more explicit comments, and add wait check when rfi instruction is emulated.
This set of patches fixes 100% CPU usage when a guest is idle on PowerPC. Idle CPU usage is now at ~15-16% CPU time. An improvment.
Signed-off-by: Jeorne Young <jyoung5@us.ibm.com>
4 files changed, 91 insertions(+), 4 deletions(-)
arch/powerpc/kvm/emulate.c | 14 +++++++
arch/powerpc/kvm/powerpc.c | 12 ++++--
arch/powerpc/platforms/44x/Makefile | 2 -
arch/powerpc/platforms/44x/idle.c | 67 +++++++++++++++++++++++++++++++++++
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next reply other threads:[~2008-04-25 19:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-25 19:18 Jerone Young [this message]
2008-04-25 19:18 ` [PATCH 1 of 2] Add idle wait support for 44x platforms Jerone Young
2008-04-25 19:19 ` [PATCH 2 of 2] Add PowerPC KVM guest wait handling support Jerone Young
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