_IA64_PERFMON_INFO

Metadatacopy
struct _IA64_PERFMON_INFO {
    unsigned __int64 Status;/* 0x0  8 */
    union {
        unsigned __int64 Ulong64;/* 0x8  8 */
        struct {
            unsigned __int64 PerfMonGenericPairs : 8;/* 0x8:0  8 */
            unsigned __int64 ImplementedCounterWidth : 8;/* 0x8:8  8 */
            unsigned __int64 ProcessorCyclesEventType : 8;/* 0x8:16  8 */
            unsigned __int64 RetiredInstructionBundlesEventType : 8;/* 0x8:24  8 */
            unsigned __int64 Reserved : 32;/* 0x8:32  8 */
        };/* 0x8  8 */
    };/* 0x8  8 */
    unsigned char PerfMonCnfgMask[32];/* 0x10  32 */
    unsigned char PerfMonDataMask[32];/* 0x30  32 */
    /* ── cacheline 1 boundary (64 bytes) ── */
    unsigned char ProcessorCyclesMask[32];/* 0x50  32 */
    unsigned char RetiredInstructionBundlesMask[32];/* 0x70  32 */
};