76 lines
1.7 KiB
Go
76 lines
1.7 KiB
Go
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// +build aix
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package perfstat
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/*
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#cgo LDFLAGS: -lperfstat
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#include <libperfstat.h>
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#include <string.h>
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#include <stdlib.h>
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#include "c_helpers.h"
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*/
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import "C"
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import (
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"fmt"
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"unsafe"
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)
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func ProcessStat() ([]Process, error) {
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var proc *C.perfstat_process_t
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var first C.perfstat_id_t
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numproc := C.perfstat_process(nil, nil, C.sizeof_perfstat_process_t, 0)
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if numproc < 1 {
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return nil, fmt.Errorf("perfstat_process() error")
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}
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plen := C.sizeof_perfstat_process_t * C.ulong(numproc)
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proc = (*C.perfstat_process_t)(C.malloc(plen))
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defer C.free(unsafe.Pointer(proc))
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C.strcpy(&first.name[0], C.CString(""))
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r := C.perfstat_process(&first, proc, C.sizeof_perfstat_process_t, numproc)
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if r < 0 {
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return nil, fmt.Errorf("perfstat_process() error")
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}
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ps := make([]Process, r)
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for i := 0; i < int(r); i++ {
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p := C.get_process_stat(proc, C.int(i))
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if p != nil {
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ps[i] = perfstatprocess2process(p)
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}
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}
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return ps, nil
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}
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func ThreadStat() ([]Thread, error) {
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var thread *C.perfstat_thread_t
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var first C.perfstat_id_t
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numthr := C.perfstat_thread(nil, nil, C.sizeof_perfstat_thread_t, 0)
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if numthr < 1 {
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return nil, fmt.Errorf("perfstat_thread() error")
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}
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thlen := C.sizeof_perfstat_thread_t * C.ulong(numthr)
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thread = (*C.perfstat_thread_t)(C.malloc(thlen))
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defer C.free(unsafe.Pointer(thread))
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C.strcpy(&first.name[0], C.CString(""))
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r := C.perfstat_thread(&first, thread, C.sizeof_perfstat_thread_t, numthr)
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if r < 0 {
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return nil, fmt.Errorf("perfstat_thread() error")
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}
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th := make([]Thread, r)
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for i := 0; i < int(r); i++ {
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t := C.get_thread_stat(thread, C.int(i))
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if t != nil {
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th[i] = perfstatthread2thread(t)
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}
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}
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return th, nil
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}
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