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Re: [libvirt] [PATCH 07/12] [v2] virNodeGetMemoryStats: Expose new API



On Tue, Jun 07, 2011 at 10:03:36AM +0900, Minoru Usui wrote:
> virNodeGetMemoryStats: Expose new API
> 
> Signed-off-by: Minoru Usui <usui mxm nes nec co jp>
> ---
>  include/libvirt/libvirt.h.in |   78 ++++++++++++++++++++++++++++++++++++++++++
>  src/libvirt_public.syms      |    1 +
>  2 files changed, 79 insertions(+), 0 deletions(-)
> 
> diff --git a/include/libvirt/libvirt.h.in b/include/libvirt/libvirt.h.in
> index 43e59a7..885db25 100644
> --- a/include/libvirt/libvirt.h.in
> +++ b/include/libvirt/libvirt.h.in
> @@ -339,6 +339,70 @@ struct _virCPUStats {
>      unsigned long long value;
>  };
>  
> +/**
> + * VIR_MEMORY_STATS_FIELD_LENGTH:
> + *
> + * Macro providing the field length of virMemoryStats
> + */
> +#define VIR_MEMORY_STATS_FIELD_LENGTH 80
> +
> +/**
> + * VIR_MEMORY_STATS_ALL_CELLS:
> + *
> + * Macro for the total memory of all cells.
> + */
> +#define VIR_MEMORY_STATS_ALL_CELLS -1
> +
> +/**
> + * VIR_MEMORY_STATS_TOTAL:
> + *
> + * Macro for the total memory of specified cell:
> + * it represents the maximum memory.
> + */
> +
> +#define VIR_MEMORY_STATS_TOTAL "total"
> +
> +/**
> + * VIR_MEMORY_STATS_FREE:
> + *
> + * Macro for the free memory of specified cell:
> + * On linux, it includes buffer and cached memory, in case of
> + * VIR_MEMORY_STATS_ALL_CELLS.
> + */
> +
> +#define VIR_MEMORY_STATS_FREE "free"
> +
> +/**
> + * VIR_MEMORY_STATS_BUFFERS:
> + *
> + * Macro for the buffer memory: On linux, it only returns in case of
> + * VIR_MEMORY_STATS_ALL_CELLS.
> + */
> +
> +#define VIR_MEMORY_STATS_BUFFERS "buffers"
> +
> +/**
> + * VIR_MEMORY_STATS_CACHED:
> + *
> + * Macro for the cached memory: On linux, it only returns in case of
> + * VIR_MEMORY_STATS_ALL_CELLS.
> + */
> +
> +#define VIR_MEMORY_STATS_CACHED "cached"
> +
> +/**
> + * virMemoryStats:
> + *
> + * a virMemoryStats is a structure filled by virNodeGetMemoryStats()
> + * and providing the information of the memory of the Node.
> + */
> +
> +typedef struct _virMemoryStats virMemoryStats;
> +
> +struct _virMemoryStats {
> +    char field[VIR_MEMORY_STATS_FIELD_LENGTH];
> +    unsigned long long value;
> +};
>  
>  /* Common data types shared among interfaces with name/type/value lists.  */
>  
> @@ -611,6 +675,14 @@ typedef virNodeInfo *virNodeInfoPtr;
>  typedef virCPUStats *virCPUStatsPtr;
>  
>  /**
> + * virMemoryStatsPtr:
> + *
> + * a virMemoryStatsPtr is a pointer to a virMemoryStats structure.
> + */
> +
> +typedef virMemoryStats *virMemoryStatsPtr;
> +
> +/**
>   * virConnectFlags
>   *
>   * Flags when opening a connection to a hypervisor
> @@ -750,6 +822,12 @@ int                     virNodeGetCPUStats (virConnectPtr conn,
>                                              int *nparams,
>                                              unsigned int flags);
>  
> +int                     virNodeGetMemoryStats (virConnectPtr conn,
> +                                               int cellNum,
> +                                               virCPUStatsPtr params,
> +                                               int *nparams,
> +                                               unsigned int flags);
> +
>  unsigned long long      virNodeGetFreeMemory    (virConnectPtr conn);
>  
>  int                     virNodeGetSecurityModel (virConnectPtr conn,
> diff --git a/src/libvirt_public.syms b/src/libvirt_public.syms
> index 271b8e3..3aadc6f 100644
> --- a/src/libvirt_public.syms
> +++ b/src/libvirt_public.syms
> @@ -453,6 +453,7 @@ LIBVIRT_0.9.2 {
>  LIBVIRT_0.9.3 {
>      global:
>          virNodeGetCPUStats;
> +	virNodeGetMemoryStats;
>  } LIBVIRT_0.9.2;

Indentation went wrong here, but ACK if that is fixed


Daniel
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