# HG changeset patch # User Dan Smith <danms(a)us.ibm.com&gt; # Date 1201101678 28800 # Node ID 8a5a12f5003b1e564fe21f29001a2843139614c3 # Parent 47438edf32be70e65bdb814ab609a70304fad2f4 (#2) Add dynamic VCPU adjustments Changes: - Removed stupidity from last patch Signed-off-by: Dan Smith <danms(a)us.ibm.com&gt; diff -r 47438edf32be -r 8a5a12f5003b libxkutil/device_parsing.c --- a/libxkutil/device_parsing.c Tue Jan 22 10:55:59 2008 -0800 +++ b/libxkutil/device_parsing.c Wed Jan 23 07:21:18 2008 -0800 @@ -897,11 +897,40 @@ static int change_memory(virDomainPtr do return 1; } +static int change_vcpus(virDomainPtr dom, int delta) +{ + int ret; + virDomainInfo info; + + ret = virDomainGetInfo(dom, &info); + if (ret == -1) { + CU_DEBUG("Failed to get domain info for %s", + virDomainGetName(dom)); + return 0; + } + + ret = virDomainSetVcpus(dom, info.nrVirtCpu + delta); + if (ret == -1) { + CU_DEBUG("Failed to set domain vcpus to %i", + info.nrVirtCpu + delta); + return 0; + } + + CU_DEBUG("Changed %s vcpus from %i to %i", + virDomainGetName(dom), + info.nrVirtCpu, + info.nrVirtCpu + delta); + + return 1; +} + int attach_device(virDomainPtr dom, struct virt_device *dev) { if ((dev->type == VIRT_DEV_NET) || (dev->type == VIRT_DEV_DISK)) return _change_device(dom, dev, true); + else if (dev->type == VIRT_DEV_VCPU) + return change_vcpus(dom, 1); CU_DEBUG("Unhandled device type %i", dev->type); @@ -913,6 +942,8 @@ int detach_device(virDomainPtr dom, stru if ((dev->type == VIRT_DEV_NET) || (dev->type == VIRT_DEV_DISK)) return _change_device(dom, dev, false); + else if (dev->type == VIRT_DEV_VCPU) + return change_vcpus(dom, -1); CU_DEBUG("Unhandled device type %i", dev->type);