Re: [libvirt] [PATCH 1/6] domMemStats: Add domainMemoryStats method to struct _virDriver

Set up the types for the domainMemoryStats function and insert it into the +/** + * Memory Statistics Tags: + */ +typedef enum { + /* The total amount of data read from swap space (in bytes). */ + VIR_MEMSTAT_SWAP_IN = 0, + /* The total amount of memory written out to swap space (in bytes). */ + VIR_MEMSTAT_SWAP_OUT = 1, + + /* + * Page faults occur when a process makes a valid access to virtual memory + * that is not available. When servicing the page fault, if disk IO is + * required, it is considered a major fault. If not, it is a minor fault. + * These are expressed as the number of faults that have occurred. + */ + VIR_MEMSTAT_MAJOR_FAULT = 2, + VIR_MEMSTAT_MINOR_FAULT = 3, + + /* + * The amount of memory left completely unused by the system. Memory that + * is available but used for reclaimable caches should NOT be reported as + * free. This value is expressed in bytes. + */ + VIR_MEMSTAT_MEM_FREE = 4, + + /* + * The total amount of usable memory as seen by the domain. This value + * may be less than the amount of memory assigned to the domain if a + * balloon driver is in use or if the guest OS does not initialize all + * assigned pages. This value is expressed in bytes. + */ + VIR_MEMSTAT_MEM_TOTAL = 5, + + /* + * The number of statistics supported by this version of the interface. + * To add new statistics, add them to the enum and increase this value. + */ + VIR_MEMSTAT_NR_TAGS = 6, +} virDomainMemoryStatTags;

+ +typedef struct _virDomainMemoryStat virDomainMemoryStatStruct; + +struct _virDomainMemoryStat { + virDomainMemoryStatTags tag;

+ unsigned long long val; +}; + +typedef virDomainMemoryStatStruct *virDomainMemoryStatPtr; + /* Domain migration flags. */ typedef enum { @@ -633,6 +682,9 @@ int virDomainInterfaceStats (virDomainPtr dom, const char *path, virDomainInterfaceStatsPtr stats, size_t size); +int virDomainMemoryStats (virDomainPtr dom, + virDomainMemoryStatPtr stats, + unsigned int nr_stats); int virDomainBlockPeek (virDomainPtr dom, const char *path, unsigned long long offset,