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cgroup: read more data from cgroup cpuacct.usage_percpu

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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
This commit is contained in:
Guannan Ren 2012-08-31 16:31:30 +08:00
parent b10ec38d52
commit c402eebc71
1 changed files with 1 additions and 1 deletions
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2
src/util/cgroup.c
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@ -360,7 +360,7 @@ static int virCgroupGetValueStr(virCgroupPtr group,
VIR_DEBUG("Get value %s", keypath); VIR_DEBUG("Get value %s", keypath);
rc = virFileReadAll(keypath, 1024, value); rc = virFileReadAll(keypath, 1024*1024, value);
if (rc < 0) { if (rc < 0) {
rc = -errno; rc = -errno;
VIR_DEBUG("Failed to read %s: %m\n", keypath); VIR_DEBUG("Failed to read %s: %m\n", keypath);