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vircgroup: introduce virCgroupV2SupportsCpuBW

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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Pavel Hrdina 2018-08-17 16:59:27 +02:00
parent 8e2c887ffa
commit 5a4d90ae6a
1 changed files with 16 additions and 0 deletions
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16
src/util/vircgroupv2.c
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@ -1440,6 +1440,21 @@ virCgroupV2GetCpuCfsQuota(virCgroupPtr group,
}
static bool
virCgroupV2SupportsCpuBW(virCgroupPtr cgroup)
{
VIR_AUTOFREE(char *) path = NULL;
if (virCgroupV2PathOfController(cgroup, VIR_CGROUP_CONTROLLER_CPU,
"cpu.max", &path) < 0) {
virResetLastError();
return false;
}
return virFileExists(path);
}
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
@ -1494,6 +1509,7 @@ virCgroupBackend virCgroupV2Backend = {
.getCpuCfsPeriod = virCgroupV2GetCpuCfsPeriod,
.setCpuCfsQuota = virCgroupV2SetCpuCfsQuota,
.getCpuCfsQuota = virCgroupV2GetCpuCfsQuota,
.supportsCpuBW = virCgroupV2SupportsCpuBW,
};