On Tue, Nov 06, 2012 at 02:07:19PM +0800, Gao feng wrote:
> virCgroupGetMemSwapUsage is used to get container's swap usage,
> with this interface,we can get swap usage in fuse filesystem.
>
> Signed-off-by: Gao feng <gaofeng@xxxxxxxxxxxxxx>
> ---
> src/libvirt_private.syms | 1 +
> src/util/cgroup.c | 20 ++++++++++++++++++++
> src/util/cgroup.h | 1 +
> 3 files changed, 22 insertions(+), 0 deletions(-)
>
> diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
> index e94b478..2608072 100644
> --- a/src/libvirt_private.syms
> +++ b/src/libvirt_private.syms
> @@ -98,6 +98,7 @@ virCgroupGetCpuacctUsage;
> virCgroupGetCpusetCpus;
> virCgroupGetCpusetMems;
> virCgroupGetFreezerState;
> +virCgroupGetMemSwapUsage;
> virCgroupGetMemSwapHardLimit;
> virCgroupGetMemoryHardLimit;
> virCgroupGetMemorySoftLimit;
> diff --git a/src/util/cgroup.c b/src/util/cgroup.c
> index 3f7b5f7..4aae70d 100644
> --- a/src/util/cgroup.c
> +++ b/src/util/cgroup.c
> @@ -1371,6 +1371,26 @@ int virCgroupGetMemSwapHardLimit(virCgroupPtr group, unsigned long long *kb)
> }
>
> /**
> + * virCgroupGetMemSwapUsage:
> + *
> + * @group: The cgroup to get mem+swap usage for
> + * @kb: The mem+swap amount in kilobytes
> + *
> + * Returns: 0 on success
> + */
> +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;
> +}
> +
> +/**
> * virCgroupSetCpusetMems:
> *
> * @group: The cgroup to set cpuset.mems for
> diff --git a/src/util/cgroup.h b/src/util/cgroup.h
> index 38fa4b7..0c11eb1 100644
> --- a/src/util/cgroup.h
> +++ b/src/util/cgroup.h
> @@ -92,6 +92,7 @@ int virCgroupSetMemorySoftLimit(virCgroupPtr group, unsigned long long kb);
> int virCgroupGetMemorySoftLimit(virCgroupPtr group, unsigned long long *kb);
> int virCgroupSetMemSwapHardLimit(virCgroupPtr group, unsigned long long kb);
> int virCgroupGetMemSwapHardLimit(virCgroupPtr group, unsigned long long *kb);
> +int virCgroupGetMemSwapUsage(virCgroupPtr group, unsigned long long *kb);
>
> enum {
> VIR_CGROUP_DEVICE_READ = 1,
> --
> 1.7.7.6
ACK.
Rich.
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