Re: [libvirt] [PATCH 1/3] cgroup: read more data from cgroup cpuacct.usage_percpu

On 2012年08月31日 17:22, Guannan Ren wrote: > On NUMA machine, the length of string got from file > cpuacct.usage_percpu is quite large, so expand the > limit of 1024 bytes. > > errors like: > Failed to read file \ > '/cgroup/cpuacct/libvirt/qemu/rhel6q/cpuacct.usage_percpu': \ > Value too large for defined data type > --- > src/util/cgroup.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/src/util/cgroup.c b/src/util/cgroup.c > index 8541c7f..5dc0764 100644 > --- a/src/util/cgroup.c > +++ b/src/util/cgroup.c > @@ -360,7 +360,7 @@ static int virCgroupGetValueStr(virCgroupPtr group, > > VIR_DEBUG("Get value %s", keypath); > > - rc = virFileReadAll(keypath, 1024, value); > + rc = virFileReadAll(keypath, 1024*1024, value); Can it be that large?