diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c index 7509b57fac..56e02ebd2b 100644 --- a/src/util/vircgroupv2.c +++ b/src/util/vircgroupv2.c @@ -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, };