Add v16.7.2

vendor/github.com/power-devops/perfstat/memstat.go

@@ -0,0 +1,84 @@
+// +build aix
+
+package perfstat
+
+/*
+#cgo LDFLAGS: -lperfstat
+
+#include <libperfstat.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "c_helpers.h"
+*/
+import "C"
+
+import (
+	"fmt"
+	"unsafe"
+)
+
+func MemoryTotalStat() (*MemoryTotal, error) {
+	var memory C.perfstat_memory_total_t
+
+	rc := C.perfstat_memory_total(nil, &memory, C.sizeof_perfstat_memory_total_t, 1)
+	if rc != 1 {
+		return nil, fmt.Errorf("perfstat_memory_total() error")
+	}
+	m := perfstatmemorytotal2memorytotal(memory)
+	return &m, nil
+}
+
+func MemoryPageStat() ([]MemoryPage, error) {
+	var mempage *C.perfstat_memory_page_t
+	var fps C.perfstat_psize_t
+
+	numps := C.perfstat_memory_page(nil, nil, C.sizeof_perfstat_memory_page_t, 0)
+	if numps < 1 {
+		return nil, fmt.Errorf("perfstat_memory_page() error")
+	}
+
+	mp_len := C.sizeof_perfstat_memory_page_t * C.ulong(numps)
+	mempage = (*C.perfstat_memory_page_t)(C.malloc(mp_len))
+	defer C.free(unsafe.Pointer(mempage))
+	fps.psize = C.FIRST_PSIZE
+	r := C.perfstat_memory_page(&fps, mempage, C.sizeof_perfstat_memory_page_t, numps)
+	if r < 1 {
+		return nil, fmt.Errorf("perfstat_memory_page() error")
+	}
+	ps := make([]MemoryPage, r)
+	for i := 0; i < int(r); i++ {
+		p := C.get_memory_page_stat(mempage, C.int(i))
+		if p != nil {
+			ps[i] = perfstatmemorypage2memorypage(p)
+		}
+	}
+	return ps, nil
+}
+
+func PagingSpaceStat() ([]PagingSpace, error) {
+	var pspace *C.perfstat_pagingspace_t
+	var fps C.perfstat_id_t
+
+	numps := C.perfstat_pagingspace(nil, nil, C.sizeof_perfstat_pagingspace_t, 0)
+	if numps <= 0 {
+		return nil, fmt.Errorf("perfstat_pagingspace() error")
+	}
+
+	ps_len := C.sizeof_perfstat_pagingspace_t * C.ulong(numps)
+	pspace = (*C.perfstat_pagingspace_t)(C.malloc(ps_len))
+	defer C.free(unsafe.Pointer(pspace))
+	C.strcpy(&fps.name[0], C.CString(C.FIRST_PAGINGSPACE))
+	r := C.perfstat_pagingspace(&fps, pspace, C.sizeof_perfstat_pagingspace_t, numps)
+	if r < 1 {
+		return nil, fmt.Errorf("perfstat_pagingspace() error")
+	}
+	ps := make([]PagingSpace, r)
+	for i := 0; i < int(r); i++ {
+		p := C.get_pagingspace_stat(pspace, C.int(i))
+		if p != nil {
+			ps[i] = perfstatpagingspace2pagingspace(p)
+		}
+	}
+	return ps, nil
+}