05ade19302
* dashboard: footer, deep state update * dashboard: resolve asset path * dashboard: prevent state update on every reconnection * dashboard: fix linter issue * dashboard, cmd: minor UI fix, include commit hash * dashboard: gitCommit renamed to commit * dashboard: move the geth version to the right, make commit optional * dashboard: memory, traffic and CPU on footer * dashboard: fix merge * dashboard: CPU, diskIO on footer * dashboard: rename variables, use group declaration * dashboard: docs
419 lines
10 KiB
Go
419 lines
10 KiB
Go
// Copyright (c) 2016 Jasper Lievisse Adriaanse <j@jasper.la>.
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// +build openbsd
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package gosigar
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/*
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#include <sys/mount.h>
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#include <sys/sched.h>
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#include <sys/swap.h>
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#include <stdlib.h>
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#include <unistd.h>
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*/
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import "C"
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//import "github.com/davecgh/go-spew/spew"
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import (
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"runtime"
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"syscall"
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"time"
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"unsafe"
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)
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type Uvmexp struct {
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pagesize uint32
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pagemask uint32
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pageshift uint32
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npages uint32
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free uint32
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active uint32
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inactive uint32
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paging uint32
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wired uint32
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zeropages uint32
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reserve_pagedaemon uint32
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reserve_kernel uint32
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anonpages uint32
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vnodepages uint32
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vtextpages uint32
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freemin uint32
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freetarg uint32
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inactarg uint32
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wiredmax uint32
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anonmin uint32
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vtextmin uint32
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vnodemin uint32
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anonminpct uint32
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vtextmi uint32
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npct uint32
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vnodeminpct uint32
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nswapdev uint32
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swpages uint32
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swpginuse uint32
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swpgonly uint32
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nswget uint32
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nanon uint32
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nanonneeded uint32
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nfreeanon uint32
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faults uint32
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traps uint32
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intrs uint32
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swtch uint32
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softs uint32
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syscalls uint32
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pageins uint32
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obsolete_swapins uint32
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obsolete_swapouts uint32
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pgswapin uint32
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pgswapout uint32
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forks uint32
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forks_ppwait uint32
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forks_sharevm uint32
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pga_zerohit uint32
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pga_zeromiss uint32
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zeroaborts uint32
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fltnoram uint32
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fltnoanon uint32
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fltpgwait uint32
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fltpgrele uint32
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fltrelck uint32
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fltrelckok uint32
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fltanget uint32
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fltanretry uint32
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fltamcopy uint32
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fltnamap uint32
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fltnomap uint32
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fltlget uint32
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fltget uint32
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flt_anon uint32
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flt_acow uint32
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flt_obj uint32
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flt_prcopy uint32
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flt_przero uint32
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pdwoke uint32
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pdrevs uint32
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pdswout uint32
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pdfreed uint32
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pdscans uint32
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pdanscan uint32
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pdobscan uint32
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pdreact uint32
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pdbusy uint32
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pdpageouts uint32
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pdpending uint32
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pddeact uint32
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pdreanon uint32
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pdrevnode uint32
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pdrevtext uint32
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fpswtch uint32
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kmapent uint32
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}
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type Bcachestats struct {
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numbufs uint64
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numbufpages uint64
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numdirtypages uint64
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numcleanpages uint64
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pendingwrites uint64
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pendingreads uint64
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numwrites uint64
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numreads uint64
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cachehits uint64
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busymapped uint64
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dmapages uint64
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highpages uint64
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delwribufs uint64
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kvaslots uint64
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kvaslots_avail uint64
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}
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type Swapent struct {
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se_dev C.dev_t
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se_flags int32
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se_nblks int32
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se_inuse int32
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se_priority int32
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sw_path []byte
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}
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func (self *FileSystemList) Get() error {
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num, err := syscall.Getfsstat(nil, C.MNT_NOWAIT)
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if err != nil {
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return err
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}
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buf := make([]syscall.Statfs_t, num)
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_, err = syscall.Getfsstat(buf, C.MNT_NOWAIT)
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if err != nil {
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return err
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}
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fslist := make([]FileSystem, 0, num)
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for i := 0; i < num; i++ {
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fs := FileSystem{}
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fs.DirName = bytePtrToString(&buf[i].F_mntonname[0])
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fs.DevName = bytePtrToString(&buf[i].F_mntfromname[0])
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fs.SysTypeName = bytePtrToString(&buf[i].F_fstypename[0])
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fslist = append(fslist, fs)
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}
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self.List = fslist
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return err
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}
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func (self *FileSystemUsage) Get(path string) error {
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stat := syscall.Statfs_t{}
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err := syscall.Statfs(path, &stat)
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if err != nil {
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return err
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}
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self.Total = uint64(stat.F_blocks) * uint64(stat.F_bsize)
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self.Free = uint64(stat.F_bfree) * uint64(stat.F_bsize)
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self.Avail = uint64(stat.F_bavail) * uint64(stat.F_bsize)
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self.Used = self.Total - self.Free
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self.Files = stat.F_files
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self.FreeFiles = stat.F_ffree
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return nil
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}
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func (self *FDUsage) Get() error {
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return ErrNotImplemented{runtime.GOOS}
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}
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func (self *LoadAverage) Get() error {
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avg := []C.double{0, 0, 0}
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C.getloadavg(&avg[0], C.int(len(avg)))
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self.One = float64(avg[0])
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self.Five = float64(avg[1])
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self.Fifteen = float64(avg[2])
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return nil
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}
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func (self *Uptime) Get() error {
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tv := syscall.Timeval{}
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mib := [2]int32{C.CTL_KERN, C.KERN_BOOTTIME}
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n := uintptr(0)
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// First we determine how much memory we'll need to pass later on (via `n`)
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_, _, errno := syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 2, 0, uintptr(unsafe.Pointer(&n)), 0, 0)
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if errno != 0 || n == 0 {
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return nil
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}
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// Now perform the actual sysctl(3) call, storing the result in tv
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_, _, errno = syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 2, uintptr(unsafe.Pointer(&tv)), uintptr(unsafe.Pointer(&n)), 0, 0)
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if errno != 0 || n == 0 {
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return nil
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}
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self.Length = time.Since(time.Unix(int64(tv.Sec), int64(tv.Usec)*1000)).Seconds()
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return nil
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}
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func (self *Mem) Get() error {
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n := uintptr(0)
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var uvmexp Uvmexp
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mib := [2]int32{C.CTL_VM, C.VM_UVMEXP}
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n = uintptr(0)
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// First we determine how much memory we'll need to pass later on (via `n`)
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_, _, errno := syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 2, 0, uintptr(unsafe.Pointer(&n)), 0, 0)
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if errno != 0 || n == 0 {
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return nil
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}
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_, _, errno = syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 2, uintptr(unsafe.Pointer(&uvmexp)), uintptr(unsafe.Pointer(&n)), 0, 0)
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if errno != 0 || n == 0 {
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return nil
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}
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var bcachestats Bcachestats
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mib3 := [3]int32{C.CTL_VFS, C.VFS_GENERIC, C.VFS_BCACHESTAT}
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n = uintptr(0)
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_, _, errno = syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib3[0])), 3, 0, uintptr(unsafe.Pointer(&n)), 0, 0)
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if errno != 0 || n == 0 {
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return nil
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}
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_, _, errno = syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib3[0])), 3, uintptr(unsafe.Pointer(&bcachestats)), uintptr(unsafe.Pointer(&n)), 0, 0)
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if errno != 0 || n == 0 {
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return nil
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}
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self.Total = uint64(uvmexp.npages) << uvmexp.pageshift
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self.Used = uint64(uvmexp.npages-uvmexp.free) << uvmexp.pageshift
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self.Free = uint64(uvmexp.free) << uvmexp.pageshift
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self.ActualFree = self.Free + (uint64(bcachestats.numbufpages) << uvmexp.pageshift)
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self.ActualUsed = self.Used - (uint64(bcachestats.numbufpages) << uvmexp.pageshift)
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return nil
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}
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func (self *Swap) Get() error {
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nswap := C.swapctl(C.SWAP_NSWAP, unsafe.Pointer(uintptr(0)), 0)
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// If there are no swap devices, nothing to do here.
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if nswap == 0 {
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return nil
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}
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swdev := make([]Swapent, nswap)
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rnswap := C.swapctl(C.SWAP_STATS, unsafe.Pointer(&swdev[0]), nswap)
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if rnswap == 0 {
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return nil
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}
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for i := 0; i < int(nswap); i++ {
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if swdev[i].se_flags&C.SWF_ENABLE == 2 {
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self.Used = self.Used + uint64(swdev[i].se_inuse/(1024/C.DEV_BSIZE))
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self.Total = self.Total + uint64(swdev[i].se_nblks/(1024/C.DEV_BSIZE))
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}
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}
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self.Free = self.Total - self.Used
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return nil
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}
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func (self *Cpu) Get() error {
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load := [C.CPUSTATES]C.long{C.CP_USER, C.CP_NICE, C.CP_SYS, C.CP_INTR, C.CP_IDLE}
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mib := [2]int32{C.CTL_KERN, C.KERN_CPTIME}
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n := uintptr(0)
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// First we determine how much memory we'll need to pass later on (via `n`)
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_, _, errno := syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 2, 0, uintptr(unsafe.Pointer(&n)), 0, 0)
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if errno != 0 || n == 0 {
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return nil
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}
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_, _, errno = syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 2, uintptr(unsafe.Pointer(&load)), uintptr(unsafe.Pointer(&n)), 0, 0)
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if errno != 0 || n == 0 {
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return nil
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}
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self.User = uint64(load[0])
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self.Nice = uint64(load[1])
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self.Sys = uint64(load[2])
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self.Irq = uint64(load[3])
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self.Idle = uint64(load[4])
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return nil
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}
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func (self *CpuList) Get() error {
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mib := [2]int32{C.CTL_HW, C.HW_NCPU}
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var ncpu int
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n := uintptr(0)
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// First we determine how much memory we'll need to pass later on (via `n`)
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_, _, errno := syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 2, 0, uintptr(unsafe.Pointer(&n)), 0, 0)
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if errno != 0 || n == 0 {
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return nil
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}
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// Now perform the actual sysctl(3) call, storing the result in ncpu
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_, _, errno = syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), 2, uintptr(unsafe.Pointer(&ncpu)), uintptr(unsafe.Pointer(&n)), 0, 0)
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if errno != 0 || n == 0 {
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return nil
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}
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load := [C.CPUSTATES]C.long{C.CP_USER, C.CP_NICE, C.CP_SYS, C.CP_INTR, C.CP_IDLE}
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self.List = make([]Cpu, ncpu)
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for curcpu := range self.List {
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sysctlCptime(ncpu, curcpu, &load)
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fillCpu(&self.List[curcpu], load)
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}
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return nil
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}
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func (self *ProcList) Get() error {
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return nil
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}
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func (self *ProcArgs) Get(pid int) error {
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return nil
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}
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func (self *ProcEnv) Get(pid int) error {
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return ErrNotImplemented{runtime.GOOS}
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}
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func (self *ProcState) Get(pid int) error {
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return nil
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}
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func (self *ProcMem) Get(pid int) error {
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return nil
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}
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func (self *ProcTime) Get(pid int) error {
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return ErrNotImplemented{runtime.GOOS}
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}
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func (self *ProcExe) Get(pid int) error {
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return nil
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}
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func (self *ProcFDUsage) Get(pid int) error {
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return ErrNotImplemented{runtime.GOOS}
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}
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func fillCpu(cpu *Cpu, load [C.CPUSTATES]C.long) {
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cpu.User = uint64(load[0])
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cpu.Nice = uint64(load[1])
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cpu.Sys = uint64(load[2])
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cpu.Irq = uint64(load[3])
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cpu.Idle = uint64(load[4])
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}
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func sysctlCptime(ncpu int, curcpu int, load *[C.CPUSTATES]C.long) error {
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var mib []int32
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// Use the correct mib based on the number of CPUs and fill out the
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// current CPU number in case of SMP. (0 indexed cf. self.List)
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if ncpu == 0 {
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mib = []int32{C.CTL_KERN, C.KERN_CPTIME}
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} else {
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mib = []int32{C.CTL_KERN, C.KERN_CPTIME2, int32(curcpu)}
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}
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len := len(mib)
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n := uintptr(0)
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// First we determine how much memory we'll need to pass later on (via `n`)
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_, _, errno := syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), uintptr(len), 0, uintptr(unsafe.Pointer(&n)), 0, 0)
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if errno != 0 || n == 0 {
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return nil
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}
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_, _, errno = syscall.Syscall6(syscall.SYS___SYSCTL, uintptr(unsafe.Pointer(&mib[0])), uintptr(len), uintptr(unsafe.Pointer(load)), uintptr(unsafe.Pointer(&n)), 0, 0)
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if errno != 0 || n == 0 {
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return nil
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}
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return nil
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}
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