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KemoNine 2020-08-30 19:46:07 -04:00
parent 55459e42f0
commit 494ac4a1e3
11 changed files with 342 additions and 572 deletions
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3
go.mod
View file

@ -11,7 +11,8 @@ require (
github.com/eiannone/keyboard v0.0.0-20200508000154-caf4b762e807 github.com/eiannone/keyboard v0.0.0-20200508000154-caf4b762e807
github.com/fsnotify/fsnotify v1.4.9 // indirect github.com/fsnotify/fsnotify v1.4.9 // indirect
github.com/gdamore/tcell v1.4.0 github.com/gdamore/tcell v1.4.0
github.com/mackerelio/go-osstat v0.1.0 github.com/guillermo/go.procmeminfo v0.0.0-20131127224636-be4355a9fb0e
github.com/mackerelio/go-osstat v0.1.0 // indirect
github.com/rivo/tview v0.0.0-20200818120338-53d50e499bf9 github.com/rivo/tview v0.0.0-20200818120338-53d50e499bf9
gopkg.in/fsnotify.v1 v1.4.7 // indirect gopkg.in/fsnotify.v1 v1.4.7 // indirect
) )

2
go.sum
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@ -18,6 +18,8 @@ github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo
github.com/gdamore/tcell v1.3.0/go.mod h1:Hjvr+Ofd+gLglo7RYKxxnzCBmev3BzsS67MebKS4zMM= github.com/gdamore/tcell v1.3.0/go.mod h1:Hjvr+Ofd+gLglo7RYKxxnzCBmev3BzsS67MebKS4zMM=
github.com/gdamore/tcell v1.4.0 h1:vUnHwJRvcPQa3tzi+0QI4U9JINXYJlOz9yiaiPQ2wMU= github.com/gdamore/tcell v1.4.0 h1:vUnHwJRvcPQa3tzi+0QI4U9JINXYJlOz9yiaiPQ2wMU=
github.com/gdamore/tcell v1.4.0/go.mod h1:vxEiSDZdW3L+Uhjii9c3375IlDmR05bzxY404ZVSMo0= github.com/gdamore/tcell v1.4.0/go.mod h1:vxEiSDZdW3L+Uhjii9c3375IlDmR05bzxY404ZVSMo0=
github.com/guillermo/go.procmeminfo v0.0.0-20131127224636-be4355a9fb0e h1:/6/OurM62Ddm8CR8PveE0a+ql2mL+ycAhOwd563kpdg=
github.com/guillermo/go.procmeminfo v0.0.0-20131127224636-be4355a9fb0e/go.mod h1:TQrLAmkOSnZ4g1eFORtCfTEbFuVZD0Zm55vdnrilBaw=
github.com/lucasb-eyer/go-colorful v1.0.2/go.mod h1:0MS4r+7BZKSJ5mw4/S5MPN+qHFF1fYclkSPilDOKW0s= github.com/lucasb-eyer/go-colorful v1.0.2/go.mod h1:0MS4r+7BZKSJ5mw4/S5MPN+qHFF1fYclkSPilDOKW0s=
github.com/lucasb-eyer/go-colorful v1.0.3 h1:QIbQXiugsb+q10B+MI+7DI1oQLdmnep86tWFlaaUAac= github.com/lucasb-eyer/go-colorful v1.0.3 h1:QIbQXiugsb+q10B+MI+7DI1oQLdmnep86tWFlaaUAac=
github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0= github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=

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vendor/github.com/guillermo/go.procmeminfo/README.md generated vendored Normal file
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@ -0,0 +1,28 @@
# procmeminfo
[![GoDoc](http://godoc.org/github.com/guillermo/go.procmeminfo?status.png)](http://godoc.org/github.com/guillermo/go.procmeminfo)
Package procmeminfo provides an interface for /proc/meminfo
```golang
import "github.com/guillermo/go.procmeminfo"
meminfo := &procmeminfo.MemInfo{}
meminfo.Update()
(*meminfo)['Cached'] // Get cached memory
(*meminfo)['Buffers'] // Get buffers size
(*meminfo)['...'] // Any field in /proc/meminfo
meminfo.Total() // Total memory size in bytes
meminfo.Free() // Free Memory (Free + Cached + Buffers)
meminfo.Used() // Total - Used
```
## Docs
Visit: http://godoc.org/github.com/guillermo/go.procmeminfo
## LICENSE
BSD

307
vendor/github.com/guillermo/go.procmeminfo/meminfo.go generated vendored Normal file
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@ -0,0 +1,307 @@
/*
Package procmeminfo provides an interface for /proc/meminfo
import "github.com/guillermo/go.procmeminfo"
meminfo := &procmeminfo.MemInfo{}
meminfo.Update()
Once the info was updated you can access like a normal map[string]float64
v := (*meminfo)["MemTotal"] // 1809379328 (1766972 * 1024)
It also implement some handy methods, like:
meminfo.Total() // (*meminfo)["MemTotal"]
meminfo.Free() // MemFree + Buffers + Cached
meminfo.Used() // Total - Free
Return all the values in units, so while you get this from cat /proc/meminfo
MemTotal: 1766972 kB
MemFree: 115752 kB
Buffers: 3172 kB
Cached: 182552 kB
SwapCached: 83572 kB
Active: 1055284 kB
Inactive: 382872 kB
Active(anon): 932712 kB
Inactive(anon): 329508 kB
Active(file): 122572 kB
Inactive(file): 53364 kB
Unevictable: 10640 kB
Mlocked: 10640 kB
SwapTotal: 1808668 kB
SwapFree: 1205672 kB
Dirty: 100 kB
Writeback: 0 kB
AnonPages: 1214740 kB
Mapped: 115636 kB
Shmem: 4840 kB
Slab: 77412 kB
SReclaimable: 34344 kB
SUnreclaim: 43068 kB
KernelStack: 4328 kB
PageTables: 39428 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 2692152 kB
Committed_AS: 5448372 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 106636 kB
VmallocChunk: 34359618556 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 216236 kB
DirectMap2M: 1593344 kB
All the kB values are multiply by 1024
This is the info extracted from the man page of proc:
/proc/meminfo
This file reports statistics about memory usage on the system. It is used by free(1) to report the amount of free and used memory (both physical and swap) on the system as well as the shared memory and buffers used by the kernel. Each line of the file consists of a parameter name, followed by a colon, the value of
the parameter, and an option unit of measurement (e.g., "kB"). The list below describes the parameter names and the format specifier required to read the field value. Except as noted below, all of the fields have been present since at least Linux 2.6.0. Some fileds are displayed only if the kernel was configured
with various options; those dependencies are noted in the list.
MemTotal %lu
Total usable RAM (i.e. physical RAM minus a few reserved bits and the kernel binary code).
MemFree %lu
The sum of LowFree+HighFree.
Buffers %lu
Relatively temporary storage for raw disk blocks that shouldn't get tremendously large (20MB or so).
Cached %lu
In-memory cache for files read from the disk (the page cache). Doesn't include SwapCached.
SwapCached %lu
Memory that once was swapped out, is swapped back in but still also is in the swap file. (If memory pressure is high, these pages don't need to be swapped out again because they are already in the swap file. This saves I/O.)
Active %lu
Memory that has been used more recently and usually not reclaimed unless absolutely necessary.
Inactive %lu
Memory which has been less recently used. It is more eligible to be reclaimed for other purposes.
Active(anon) %lu (since Linux 2.6.28)
[To be documented.]
Inactive(anon) %lu (since Linux 2.6.28)
[To be documented.]
Active(file) %lu (since Linux 2.6.28)
[To be documented.]
Inactive(file) %lu (since Linux 2.6.28)
[To be documented.]
Unevictable %lu (since Linux 2.6.28)
(From Linux 2.6.28 to 2.6.30, CONFIG_UNEVICTABLE_LRU was required.) [To be documented.]
Mlocked %lu (since Linux 2.6.28)
(From Linux 2.6.28 to 2.6.30, CONFIG_UNEVICTABLE_LRU was required.) [To be documented.]
HighTotal %lu
(Starting with Linux 2.6.19, CONFIG_HIGHMEM is required.) Total amount of highmem. Highmem is all memory above ~860MB of physical memory. Highmem areas are for use by user-space programs, or for the page cache. The kernel must use tricks to access this memory, making it slower to access than lowmem.
HighFree %lu
(Starting with Linux 2.6.19, CONFIG_HIGHMEM is required.) Amount of free highmem.
LowTotal %lu
(Starting with Linux 2.6.19, CONFIG_HIGHMEM is required.) Total amount of lowmem. Lowmem is memory which can be used for everything that highmem can be used for, but it is also available for the kernel's use for its own data structures. Among many other things, it is where everything from Slab is allo‐
cated. Bad things happen when you're out of lowmem.
LowFree %lu
(Starting with Linux 2.6.19, CONFIG_HIGHMEM is required.) Amount of free lowmem.
MmapCopy %lu (since Linux 2.6.29)
(CONFIG_MMU is required.) [To be documented.]
SwapTotal %lu
Total amount of swap space available.
SwapFree %lu
Amount of swap space that is currently unused.
Dirty %lu
Memory which is waiting to get written back to the disk.
Writeback %lu
Memory which is actively being written back to the disk.
AnonPages %lu (since Linux 2.6.18)
Non-file backed pages mapped into user-space page tables.
Mapped %lu
Files which have been mmaped, such as libraries.
Shmem %lu (since Linux 2.6.32)
[To be documented.]
Slab %lu
In-kernel data structures cache.
SReclaimable %lu (since Linux 2.6.19)
Part of Slab, that might be reclaimed, such as caches.
SUnreclaim %lu (since Linux 2.6.19)
Part of Slab, that cannot be reclaimed on memory pressure.
KernelStack %lu (since Linux 2.6.32)
Amount of memory allocated to kernel stacks.
PageTables %lu (since Linux 2.6.18)
Amount of memory dedicated to the lowest level of page tables.
Quicklists %lu (since Linux 2.6.27)
(CONFIG_QUICKLIST is required.) [To be documented.]
NFS_Unstable %lu (since Linux 2.6.18)
NFS pages sent to the server, but not yet committed to stable storage.
Bounce %lu (since Linux 2.6.18)
Memory used for block device "bounce buffers".
WritebackTmp %lu (since Linux 2.6.26)
Memory used by FUSE for temporary writeback buffers.
CommitLimit %lu (since Linux 2.6.10)
Based on the overcommit ratio ('vm.overcommit_ratio'), this is the total amount of memory currently available to be allocated on the system. This limit is adhered to only if strict overcommit accounting is enabled (mode 2 in /proc/sys/vm/overcommit_ratio). The CommitLimit is calculated using the following
formula:
CommitLimit = (overcommit_ratio * Physical RAM) + Swap
For example, on a system with 1GB of physical RAM and 7GB of swap with a overcommit_ratio of 30, this formula yields a CommitLimit of 7.3GB. For more details, see the memory overcommit documentation in the kernel source file Documentation/vm/overcommit-accounting.
Committed_AS %lu
The amount of memory presently allocated on the system. The committed memory is a sum of all of the memory which has been allocated by processes, even if it has not been "used" by them as of yet. A process which allocates 1GB of memory (using malloc(3) or similar), but touches only 300MB of that memory will
show up as using only 300MB of memory even if it has the address space allocated for the entire 1GB. This 1GB is memory which has been "committed" to by the VM and can be used at any time by the allocating application. With strict overcommit enabled on the system (mode 2 /proc/sys/vm/overcommit_memory),
allocations which would exceed the CommitLimit (detailed above) will not be permitted. This is useful if one needs to guarantee that processes will not fail due to lack of memory once that memory has been successfully allocated.
VmallocTotal %lu
Total size of vmalloc memory area.
VmallocUsed %lu
Amount of vmalloc area which is used.
VmallocChunk %lu
Largest contiguous block of vmalloc area which is free.
HardwareCorrupted %lu (since Linux 2.6.32)
(CONFIG_MEMORY_FAILURE is required.) [To be documented.]
AnonHugePages %lu (since Linux 2.6.38)
(CONFIG_TRANSPARENT_HUGEPAGE is required.) Non-file backed huge pages mapped into user-space page tables.
HugePages_Total %lu
(CONFIG_HUGETLB_PAGE is required.) The size of the pool of huge pages.
HugePages_Free %lu
(CONFIG_HUGETLB_PAGE is required.) The number of huge pages in the pool that are not yet allocated.
HugePages_Rsvd %lu (since Linux 2.6.17)
(CONFIG_HUGETLB_PAGE is required.) This is the number of huge pages for which a commitment to allocate from the pool has been made, but no allocation has yet been made. These reserved huge pages guarantee that an application will be able to allocate a huge page from the pool of huge pages at fault time.
HugePages_Surp %lu (since Linux 2.6.24)
(CONFIG_HUGETLB_PAGE is required.) This is the number of huge pages in the pool above the value in /proc/sys/vm/nr_hugepages. The maximum number of surplus huge pages is controlled by /proc/sys/vm/nr_overcommit_hugepages.
Hugepagesize %lu
(CONFIG_HUGETLB_PAGE is required.) The size of huge pages.
*/
package procmeminfo
import (
"bufio"
"os"
"path/filepath"
"strconv"
"strings"
)
// MemInfo is a map[string]uint64 with all the values found in /proc/meminfo
type MemInfo map[string]uint64
// Update s with current values, usign the pid stored in the Stat
func (m *MemInfo) Update() error {
var err error
path := filepath.Join("/proc/meminfo")
file, err := os.Open(path)
if err != nil {
return err
}
defer file.Close()
scanner := bufio.NewScanner(file)
for scanner.Scan() {
text := scanner.Text()
n := strings.Index(text, ":")
if n == -1 {
continue
}
key := text[:n] // metric
data := strings.Split(strings.Trim(text[(n+1):], " "), " ")
if len(data) == 1 {
value, err := strconv.ParseUint(data[0], 10, 64)
if err != nil {
continue
}
(*m)[key] = value
} else if len(data) == 2 {
if data[1] == "kB" {
value, err := strconv.ParseUint(data[0], 10, 64)
if err != nil {
continue
}
(*m)[key] = value * 1024
}
}
}
return nil
}
// Total return the size of the memory in bytes.
// It is an alias of (*m)["MemInfo"]
func (m *MemInfo) Total() uint64 {
return (*m)["MemTotal"]
}
// Available return the available memory following this formula:
//
// Available = Free + Buffers + Cached
func (m *MemInfo) Available() uint64 {
d := *m
return d["MemFree"] + d["Buffers"] + d["Cached"]
}
// Used is a generic way of reporting used memory. It follows the next formula:
//
// Used = Total - Available
func (m *MemInfo) Used() uint64 {
return m.Total() - m.Available()
}
// Swap returns the % of swap used
func (m *MemInfo) Swap() int {
total := (*m)["SwapTotal"]
free := (*m)["SwapFree"]
if total == 0 {
return 0
}
return int((100 * (total - free)) / total)
}

178
vendor/github.com/mackerelio/go-osstat/LICENSE.txt generated vendored
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@ -1,178 +0,0 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
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"Legal Entity" shall mean the union of the acting entity and all
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control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
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"Work" shall mean the work of authorship, whether in Source or
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126
vendor/github.com/mackerelio/go-osstat/memory/memory_darwin.go generated vendored
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@ -1,126 +0,0 @@
// +build darwin
package memory
import (
"bufio"
"context"
"fmt"
"io"
"os/exec"
"strconv"
"strings"
"time"
"unsafe"
"golang.org/x/sys/unix"
)
// Get memory statistics
func Get() (*Stats, error) {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
// Reference: man 1 vm_stat
cmd := exec.CommandContext(ctx, "vm_stat")
out, err := cmd.StdoutPipe()
if err != nil {
return nil, err
}
if err := cmd.Start(); err != nil {
return nil, err
}
memory, err := collectMemoryStats(out)
if err != nil {
go cmd.Wait()
return nil, err
}
if err := cmd.Wait(); err != nil {
return nil, err
}
// Reference: sys/sysctl.h, man 3 sysctl, sysctl vm.swapusage
ret, err := unix.SysctlRaw("vm.swapusage")
if err != nil {
return nil, fmt.Errorf("failed in sysctl vm.swapusage: %s", err)
}
swap, err := collectSwapStats(ret)
if err != nil {
return nil, err
}
memory.SwapTotal = swap.Total
memory.SwapUsed = swap.Used
memory.SwapFree = swap.Avail
return memory, nil
}
// Stats represents memory statistics for darwin
type Stats struct {
Total, Used, Cached, Free, Active, Inactive, SwapTotal, SwapUsed, SwapFree uint64
}
// References:
// - https://support.apple.com/en-us/HT201464#memory
// - https://developer.apple.com/library/content/documentation/Performance/Conceptual/ManagingMemoryStats/Articles/AboutMemoryStats.html
// - https://opensource.apple.com/source/system_cmds/system_cmds-790/vm_stat.tproj/
func collectMemoryStats(out io.Reader) (*Stats, error) {
scanner := bufio.NewScanner(out)
if !scanner.Scan() {
return nil, fmt.Errorf("failed to scan output of vm_stat")
}
line := scanner.Text()
if !strings.HasPrefix(line, "Mach Virtual Memory Statistics:") {
return nil, fmt.Errorf("unexpected output of vm_stat: %s", line)
}
var memory Stats
var speculative, wired, purgeable, fileBacked, compressed uint64
memStats := map[string]*uint64{
"Pages free": &memory.Free,
"Pages active": &memory.Active,
"Pages inactive": &memory.Inactive,
"Pages speculative": &speculative,
"Pages wired down": &wired,
"Pages purgeable": &purgeable,
"File-backed pages": &fileBacked,
"Pages occupied by compressor": &compressed,
}
for scanner.Scan() {
line := scanner.Text()
i := strings.IndexRune(line, ':')
if i < 0 {
continue
}
if ptr := memStats[line[:i]]; ptr != nil {
val := strings.TrimRight(strings.TrimSpace(line[i+1:]), ".")
if v, err := strconv.ParseUint(val, 10, 64); err == nil {
*ptr = v * 4096
}
}
}
if err := scanner.Err(); err != nil {
return nil, fmt.Errorf("scan error for vm_stat: %s", err)
}
memory.Cached = purgeable + fileBacked
memory.Used = wired + compressed + memory.Active + memory.Inactive + speculative - memory.Cached
memory.Total = memory.Used + memory.Cached + memory.Free
return &memory, nil
}
// xsw_usage in sys/sysctl.h
type swapUsage struct {
Total uint64
Avail uint64
Used uint64
Pagesize int32
Encrypted bool
}
func collectSwapStats(out []byte) (*swapUsage, error) {
if len(out) != 32 {
return nil, fmt.Errorf("unexpected output of sysctl vm.swapusage: %v (len: %d)", out, len(out))
}
return (*swapUsage)(unsafe.Pointer(&out[0])), nil
}

118
vendor/github.com/mackerelio/go-osstat/memory/memory_freebsd.go generated vendored
View file

@ -1,118 +0,0 @@
// +build freebsd
package memory
import (
"bufio"
"context"
"fmt"
"io"
"os/exec"
"strconv"
"strings"
"time"
"unsafe"
"golang.org/x/sys/unix"
)
// Get memory statistics
func Get() (*Stats, error) {
return collectMemoryStats()
}
// Stats represents memory statistics for freebsd
type Stats struct {
Total, Used, Cached, Free, Active, Inactive, Wired,
SwapTotal, SwapUsed, SwapFree uint64
}
type memStat struct {
name string
ptr *uint64
scale *uint64
}
func collectMemoryStats() (*Stats, error) {
var pageSize uint64
one := uint64(1)
var memory Stats
memStats := []memStat{
{"vm.stats.vm.v_page_size", &pageSize, &one},
{"hw.physmem", &memory.Total, &one},
{"vm.stats.vm.v_cache_count", &memory.Cached, &pageSize},
{"vm.stats.vm.v_free_count", &memory.Free, &pageSize},
{"vm.stats.vm.v_active_count", &memory.Active, &pageSize},
{"vm.stats.vm.v_inactive_count", &memory.Inactive, &pageSize},
{"vm.stats.vm.v_wire_count", &memory.Wired, &pageSize},
}
for _, stat := range memStats {
ret, err := unix.SysctlRaw(stat.name)
if err != nil {
return nil, fmt.Errorf("failed in sysctl %s: %s", stat.name, err)
}
if len(ret) == 8 {
*stat.ptr = *(*uint64)(unsafe.Pointer(&ret[0])) * *stat.scale
} else if len(ret) == 4 {
*stat.ptr = uint64(*(*uint32)(unsafe.Pointer(&ret[0]))) * *stat.scale
} else {
return nil, fmt.Errorf("failed in sysctl %s: %s", stat.name, err)
}
}
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
// collect swap statistics from swapinfo command
cmd := exec.CommandContext(ctx, "swapinfo", "-k")
out, err := cmd.StdoutPipe()
if err != nil {
return nil, err
}
if err := cmd.Start(); err != nil {
return nil, err
}
memory.SwapTotal, memory.SwapUsed, err = collectSwapStats(out)
if err != nil {
go cmd.Wait()
return nil, err
}
if err := cmd.Wait(); err != nil {
return nil, err
}
memory.Used = memory.Total - memory.Free - memory.Cached - memory.Inactive
memory.SwapFree = memory.SwapTotal - memory.SwapUsed
return &memory, nil
}
func collectSwapStats(out io.Reader) (uint64, uint64, error) {
scanner := bufio.NewScanner(out)
if !scanner.Scan() {
return 0, 0, fmt.Errorf("failed to scan output of swapinfo")
}
line := scanner.Text()
if !strings.HasPrefix(line, "Device") {
return 0, 0, fmt.Errorf("unexpected output of swapinfo: %s", line)
}
var total, used uint64
for scanner.Scan() {
line := scanner.Text()
fields := strings.Fields(line)
if len(fields) < 5 {
continue
}
if v, err := strconv.ParseUint(fields[1], 10, 64); err == nil {
total += v * 1024
}
if v, err := strconv.ParseUint(fields[2], 10, 64); err == nil {
used += v * 1024
}
}
return total, used, nil
}

77
vendor/github.com/mackerelio/go-osstat/memory/memory_linux.go generated vendored
View file

@ -1,77 +0,0 @@
// +build linux
package memory
import (
"bufio"
"fmt"
"io"
"os"
"strconv"
"strings"
)
// Get memory statistics
func Get() (*Stats, error) {
// Reference: man 5 proc, Documentation/filesystems/proc.txt in Linux source code
file, err := os.Open("/proc/meminfo")
if err != nil {
return nil, err
}
defer file.Close()
return collectMemoryStats(file)
}
// Stats represents memory statistics for linux
type Stats struct {
Total, Used, Buffers, Cached, Free, Available, Active, Inactive,
SwapTotal, SwapUsed, SwapCached, SwapFree uint64
MemAvailableEnabled bool
}
func collectMemoryStats(out io.Reader) (*Stats, error) {
scanner := bufio.NewScanner(out)
var memory Stats
memStats := map[string]*uint64{
"MemTotal": &memory.Total,
"MemFree": &memory.Free,
"MemAvailable": &memory.Available,
"Buffers": &memory.Buffers,
"Cached": &memory.Cached,
"Active": &memory.Active,
"Inactive": &memory.Inactive,
"SwapCached": &memory.SwapCached,
"SwapTotal": &memory.SwapTotal,
"SwapFree": &memory.SwapFree,
}
for scanner.Scan() {
line := scanner.Text()
i := strings.IndexRune(line, ':')
if i < 0 {
continue
}
fld := line[:i]
if ptr := memStats[fld]; ptr != nil {
val := strings.TrimSpace(strings.TrimRight(line[i+1:], "kB"))
if v, err := strconv.ParseUint(val, 10, 64); err == nil {
*ptr = v * 1024
}
if fld == "MemAvailable" {
memory.MemAvailableEnabled = true
}
}
}
if err := scanner.Err(); err != nil {
return nil, fmt.Errorf("scan error for /proc/meminfo: %s", err)
}
memory.SwapUsed = memory.SwapTotal - memory.SwapFree
if memory.MemAvailableEnabled {
memory.Used = memory.Total - memory.Available
} else {
memory.Used = memory.Total - memory.Free - memory.Buffers - memory.Cached
}
return &memory, nil
}

18
vendor/github.com/mackerelio/go-osstat/memory/memory_other.go generated vendored
View file

@ -1,18 +0,0 @@
// +build !linux,!darwin,!windows,!freebsd
package memory
import (
"fmt"
"runtime"
)
// Get memory statistics
func Get() (*Stats, error) {
return nil, fmt.Errorf("memory statistics not implemented for: %s", runtime.GOOS)
}
// Stats represents memory statistics
type Stats struct {
Total, Used, Cached, Free, Active, Inactive, SwapTotal, SwapUsed, SwapFree uint64
}

53
vendor/github.com/mackerelio/go-osstat/memory/memory_windows.go generated vendored
View file

@ -1,53 +0,0 @@
// +build windows
package memory
import (
"fmt"
"syscall"
"unsafe"
)
var (
kernel32 = syscall.NewLazyDLL("kernel32.dll")
globalMemoryStatusEx = kernel32.NewProc("GlobalMemoryStatusEx")
)
// Get memory statistics
func Get() (*Stats, error) {
var memoryStatus memoryStatusEx
memoryStatus.Length = uint32(unsafe.Sizeof(memoryStatus))
ret, _, err := globalMemoryStatusEx.Call(uintptr(unsafe.Pointer(&memoryStatus)))
if ret == 0 {
return nil, fmt.Errorf("failed in GlobalMemoryStatusEx: %s", err)
}
var memory Stats
memory.Free = memoryStatus.AvailPhys
memory.Total = memoryStatus.TotalPhys
memory.Used = memory.Total - memory.Free
memory.PageFileTotal = memoryStatus.TotalPageFile
memory.PageFileFree = memoryStatus.AvailPageFile
memory.VirtualTotal = memoryStatus.TotalVirtual
memory.VirtualFree = memoryStatus.AvailVirtual
return &memory, nil
}
type memoryStatusEx struct {
Length uint32
MemoryLoad uint32
TotalPhys uint64
AvailPhys uint64
TotalPageFile uint64
AvailPageFile uint64
TotalVirtual uint64
AvailVirtual uint64
AvailExtendedVirtual uint64
}
// Stats represents memory statistics for Windows
type Stats struct {
Total, Used, Free, PageFileTotal, PageFileFree, VirtualTotal, VirtualFree uint64
}

4
vendor/modules.txt vendored
View file

@ -68,11 +68,13 @@ github.com/gdamore/tcell/terminfo/x/xfce
github.com/gdamore/tcell/terminfo/x/xnuppc github.com/gdamore/tcell/terminfo/x/xnuppc
github.com/gdamore/tcell/terminfo/x/xterm github.com/gdamore/tcell/terminfo/x/xterm
github.com/gdamore/tcell/terminfo/x/xterm_kitty github.com/gdamore/tcell/terminfo/x/xterm_kitty
# github.com/guillermo/go.procmeminfo v0.0.0-20131127224636-be4355a9fb0e
## explicit
github.com/guillermo/go.procmeminfo
# github.com/lucasb-eyer/go-colorful v1.0.3 # github.com/lucasb-eyer/go-colorful v1.0.3
github.com/lucasb-eyer/go-colorful github.com/lucasb-eyer/go-colorful
# github.com/mackerelio/go-osstat v0.1.0 # github.com/mackerelio/go-osstat v0.1.0
## explicit ## explicit
github.com/mackerelio/go-osstat/memory
# github.com/mattn/go-runewidth v0.0.9 # github.com/mattn/go-runewidth v0.0.9
github.com/mattn/go-runewidth github.com/mattn/go-runewidth
# github.com/rivo/tview v0.0.0-20200818120338-53d50e499bf9 # github.com/rivo/tview v0.0.0-20200818120338-53d50e499bf9