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vircgroup: introduce virCgroupV2GetMemSwapUsage

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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Pavel Hrdina 2018-08-17 16:57:52 +02:00
parent df63fd1f8f
commit 3f728c720b
1 changed files with 16 additions and 0 deletions
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16
src/util/vircgroupv2.c
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@ -1289,6 +1289,21 @@ virCgroupV2GetMemSwapHardLimit(virCgroupPtr group,
}
static int
virCgroupV2GetMemSwapUsage(virCgroupPtr group,
unsigned long long *kb)
{
unsigned long long usage_in_bytes;
int ret;
ret = virCgroupGetValueU64(group,
VIR_CGROUP_CONTROLLER_MEMORY,
"memory.swap.current", &usage_in_bytes);
if (ret == 0)
*kb = (unsigned long) usage_in_bytes >> 10;
return ret;
}
virCgroupBackend virCgroupV2Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V2,
@ -1335,6 +1350,7 @@ virCgroupBackend virCgroupV2Backend = {
.getMemorySoftLimit = virCgroupV2GetMemorySoftLimit,
.setMemSwapHardLimit = virCgroupV2SetMemSwapHardLimit,
.getMemSwapHardLimit = virCgroupV2GetMemSwapHardLimit,
.getMemSwapUsage = virCgroupV2GetMemSwapUsage,
};