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vircgroup: extract virCgroupV1GetMemSwapUsage 

Reviewed-by: Fabiano Fidêncio <fidencio@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Pavel Hrdina 2018-08-17 16:19:08 +02:00
parent 900c58b7f9
commit 87d9fc5b3b
3 changed files with 22 additions and 8 deletions
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9
src/util/vircgroup.c
View File

@ -1693,14 +1693,7 @@ virCgroupGetMemSwapHardLimit(virCgroupPtr group, unsigned long long *kb)
int
virCgroupGetMemSwapUsage(virCgroupPtr group, unsigned long long *kb)
{
long long unsigned int usage_in_bytes;
int ret;
ret = virCgroupGetValueU64(group,
VIR_CGROUP_CONTROLLER_MEMORY,
"memory.memsw.usage_in_bytes", &usage_in_bytes);
if (ret == 0)
*kb = usage_in_bytes >> 10;
return ret;
VIR_CGROUP_BACKEND_CALL(group, getMemSwapUsage, -1, kb);
}

5
src/util/vircgroupbackend.h
View File

@ -251,6 +251,10 @@ typedef int
(*virCgroupGetMemSwapHardLimitCB)(virCgroupPtr group,
unsigned long long *kb);
typedef int
(*virCgroupGetMemSwapUsageCB)(virCgroupPtr group,
unsigned long long *kb);
struct _virCgroupBackend {
virCgroupBackendType type;
@ -299,6 +303,7 @@ struct _virCgroupBackend {
virCgroupGetMemorySoftLimitCB getMemorySoftLimit;
virCgroupSetMemSwapHardLimitCB setMemSwapHardLimit;
virCgroupGetMemSwapHardLimitCB getMemSwapHardLimit;
virCgroupGetMemSwapUsageCB getMemSwapUsage;
};
typedef struct _virCgroupBackend virCgroupBackend;
typedef virCgroupBackend *virCgroupBackendPtr;

16
src/util/vircgroupv1.c
View File

@ -1655,6 +1655,21 @@ virCgroupV1GetMemSwapHardLimit(virCgroupPtr group,
}
static int
virCgroupV1GetMemSwapUsage(virCgroupPtr group,
unsigned long long *kb)
{
long long unsigned int usage_in_bytes;
int ret;
ret = virCgroupGetValueU64(group,
VIR_CGROUP_CONTROLLER_MEMORY,
"memory.memsw.usage_in_bytes", &usage_in_bytes);
if (ret == 0)
*kb = usage_in_bytes >> 10;
return ret;
}
virCgroupBackend virCgroupV1Backend = {
.type = VIR_CGROUP_BACKEND_TYPE_V1,
@ -1701,6 +1716,7 @@ virCgroupBackend virCgroupV1Backend = {
.getMemorySoftLimit = virCgroupV1GetMemorySoftLimit,
.setMemSwapHardLimit = virCgroupV1SetMemSwapHardLimit,
.getMemSwapHardLimit = virCgroupV1GetMemSwapHardLimit,
.getMemSwapUsage = virCgroupV1GetMemSwapUsage,
};