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This commit is contained in:
Michael 2019-07-18 21:36:05 +02:00 • committed by Traefiker Bot
parent 4dc448056c
commit 8e97af8dc3
121 changed files with 8364 additions and 3811 deletions
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16
vendor/github.com/prometheus/procfs/buddyinfo.go generated vendored
View file

@ -31,19 +31,9 @@ type BuddyInfo struct {
Sizes []float64
}
// NewBuddyInfo reads the buddyinfo statistics.
func NewBuddyInfo() ([]BuddyInfo, error) {
fs, err := NewFS(DefaultMountPoint)
if err != nil {
return nil, err
}
return fs.NewBuddyInfo()
}
// NewBuddyInfo reads the buddyinfo statistics from the specified `proc` filesystem.
func (fs FS) NewBuddyInfo() ([]BuddyInfo, error) {
file, err := os.Open(fs.Path("buddyinfo"))
func (fs FS) BuddyInfo() ([]BuddyInfo, error) {
file, err := os.Open(fs.proc.Path("buddyinfo"))
if err != nil {
return nil, err
}
@ -62,7 +52,7 @@ func parseBuddyInfo(r io.Reader) ([]BuddyInfo, error) {
for scanner.Scan() {
var err error
line := scanner.Text()
parts := strings.Fields(string(line))
parts := strings.Fields(line)
if len(parts) < 4 {
return nil, fmt.Errorf("invalid number of fields when parsing buddyinfo")

63
vendor/github.com/prometheus/procfs/fs.go generated vendored
View file

@ -1,46 +1,43 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"fmt"
"os"
"path"
"github.com/prometheus/procfs/xfs"
"github.com/prometheus/procfs/internal/fs"
)
// FS represents the pseudo-filesystem proc, which provides an interface to
// FS represents the pseudo-filesystem sys, which provides an interface to
// kernel data structures.
type FS string
type FS struct {
proc fs.FS
}
// DefaultMountPoint is the common mount point of the proc filesystem.
const DefaultMountPoint = "/proc"
const DefaultMountPoint = fs.DefaultProcMountPoint
// NewFS returns a new FS mounted under the given mountPoint. It will error
// if the mount point can't be read.
// NewDefaultFS returns a new proc FS mounted under the default proc mountPoint.
// It will error if the mount point directory can't be read or is a file.
func NewDefaultFS() (FS, error) {
return NewFS(DefaultMountPoint)
}
// NewFS returns a new proc FS mounted under the given proc mountPoint. It will error
// if the mount point directory can't be read or is a file.
func NewFS(mountPoint string) (FS, error) {
info, err := os.Stat(mountPoint)
fs, err := fs.NewFS(mountPoint)
if err != nil {
return "", fmt.Errorf("could not read %s: %s", mountPoint, err)
return FS{}, err
}
if !info.IsDir() {
return "", fmt.Errorf("mount point %s is not a directory", mountPoint)
}
return FS(mountPoint), nil
}
// Path returns the path of the given subsystem relative to the procfs root.
func (fs FS) Path(p ...string) string {
return path.Join(append([]string{string(fs)}, p...)...)
}
// XFSStats retrieves XFS filesystem runtime statistics.
func (fs FS) XFSStats() (*xfs.Stats, error) {
f, err := os.Open(fs.Path("fs/xfs/stat"))
if err != nil {
return nil, err
}
defer f.Close()
return xfs.ParseStats(f)
return FS{fs}, nil
}

55
vendor/github.com/prometheus/procfs/internal/fs/fs.go generated vendored Normal file
View file

@ -0,0 +1,55 @@
// Copyright 2019 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package fs
import (
"fmt"
"os"
"path/filepath"
)
const (
// DefaultProcMountPoint is the common mount point of the proc filesystem.
DefaultProcMountPoint = "/proc"
// DefaultSysMountPoint is the common mount point of the sys filesystem.
DefaultSysMountPoint = "/sys"
// DefaultConfigfsMountPoint is the commont mount point of the configfs
DefaultConfigfsMountPoint = "/sys/kernel/config"
)
// FS represents a pseudo-filesystem, normally /proc or /sys, which provides an
// interface to kernel data structures.
type FS string
// NewFS returns a new FS mounted under the given mountPoint. It will error
// if the mount point can't be read.
func NewFS(mountPoint string) (FS, error) {
info, err := os.Stat(mountPoint)
if err != nil {
return "", fmt.Errorf("could not read %s: %s", mountPoint, err)
}
if !info.IsDir() {
return "", fmt.Errorf("mount point %s is not a directory", mountPoint)
}
return FS(mountPoint), nil
}
// Path appends the given path elements to the filesystem path, adding separators
// as necessary.
func (fs FS) Path(p ...string) string {
return filepath.Join(append([]string{string(fs)}, p...)...)
}

101
vendor/github.com/prometheus/procfs/ipvs.go generated vendored
View file

@ -1,3 +1,16 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
@ -31,14 +44,16 @@ type IPVSStats struct {
type IPVSBackendStatus struct {
// The local (virtual) IP address.
LocalAddress net.IP
// The local (virtual) port.
LocalPort uint16
// The transport protocol (TCP, UDP).
Proto string
// The remote (real) IP address.
RemoteAddress net.IP
// The local (virtual) port.
LocalPort uint16
// The remote (real) port.
RemotePort uint16
// The local firewall mark
LocalMark string
// The transport protocol (TCP, UDP).
Proto string
// The current number of active connections for this virtual/real address pair.
ActiveConn uint64
// The current number of inactive connections for this virtual/real address pair.
@ -47,19 +62,9 @@ type IPVSBackendStatus struct {
Weight uint64
}
// NewIPVSStats reads the IPVS statistics.
func NewIPVSStats() (IPVSStats, error) {
fs, err := NewFS(DefaultMountPoint)
if err != nil {
return IPVSStats{}, err
}
return fs.NewIPVSStats()
}
// NewIPVSStats reads the IPVS statistics from the specified `proc` filesystem.
func (fs FS) NewIPVSStats() (IPVSStats, error) {
file, err := os.Open(fs.Path("net/ip_vs_stats"))
// IPVSStats reads the IPVS statistics from the specified `proc` filesystem.
func (fs FS) IPVSStats() (IPVSStats, error) {
file, err := os.Open(fs.proc.Path("net/ip_vs_stats"))
if err != nil {
return IPVSStats{}, err
}
@ -116,19 +121,9 @@ func parseIPVSStats(file io.Reader) (IPVSStats, error) {
return stats, nil
}
// NewIPVSBackendStatus reads and returns the status of all (virtual,real) server pairs.
func NewIPVSBackendStatus() ([]IPVSBackendStatus, error) {
fs, err := NewFS(DefaultMountPoint)
if err != nil {
return []IPVSBackendStatus{}, err
}
return fs.NewIPVSBackendStatus()
}
// NewIPVSBackendStatus reads and returns the status of all (virtual,real) server pairs from the specified `proc` filesystem.
func (fs FS) NewIPVSBackendStatus() ([]IPVSBackendStatus, error) {
file, err := os.Open(fs.Path("net/ip_vs"))
// IPVSBackendStatus reads and returns the status of all (virtual,real) server pairs from the specified `proc` filesystem.
func (fs FS) IPVSBackendStatus() ([]IPVSBackendStatus, error) {
file, err := os.Open(fs.proc.Path("net/ip_vs"))
if err != nil {
return nil, err
}
@ -142,13 +137,14 @@ func parseIPVSBackendStatus(file io.Reader) ([]IPVSBackendStatus, error) {
status []IPVSBackendStatus
scanner = bufio.NewScanner(file)
proto string
localMark string
localAddress net.IP
localPort uint16
err error
)
for scanner.Scan() {
fields := strings.Fields(string(scanner.Text()))
fields := strings.Fields(scanner.Text())
if len(fields) == 0 {
continue
}
@ -160,10 +156,19 @@ func parseIPVSBackendStatus(file io.Reader) ([]IPVSBackendStatus, error) {
continue
}
proto = fields[0]
localMark = ""
localAddress, localPort, err = parseIPPort(fields[1])
if err != nil {
return nil, err
}
case fields[0] == "FWM":
if len(fields) < 2 {
continue
}
proto = fields[0]
localMark = fields[1]
localAddress = nil
localPort = 0
case fields[0] == "->":
if len(fields) < 6 {
continue
@ -187,6 +192,7 @@ func parseIPVSBackendStatus(file io.Reader) ([]IPVSBackendStatus, error) {
status = append(status, IPVSBackendStatus{
LocalAddress: localAddress,
LocalPort: localPort,
LocalMark: localMark,
RemoteAddress: remoteAddress,
RemotePort: remotePort,
Proto: proto,
@ -200,22 +206,31 @@ func parseIPVSBackendStatus(file io.Reader) ([]IPVSBackendStatus, error) {
}
func parseIPPort(s string) (net.IP, uint16, error) {
tmp := strings.SplitN(s, ":", 2)
var (
ip net.IP
err error
)
if len(tmp) != 2 {
return nil, 0, fmt.Errorf("invalid IP:Port: %s", s)
switch len(s) {
case 13:
ip, err = hex.DecodeString(s[0:8])
if err != nil {
return nil, 0, err
}
case 46:
ip = net.ParseIP(s[1:40])
if ip == nil {
return nil, 0, fmt.Errorf("invalid IPv6 address: %s", s[1:40])
}
default:
return nil, 0, fmt.Errorf("unexpected IP:Port: %s", s)
}
if len(tmp[0]) != 8 && len(tmp[0]) != 32 {
return nil, 0, fmt.Errorf("invalid IP: %s", tmp[0])
portString := s[len(s)-4:]
if len(portString) != 4 {
return nil, 0, fmt.Errorf("unexpected port string format: %s", portString)
}
ip, err := hex.DecodeString(tmp[0])
if err != nil {
return nil, 0, err
}
port, err := strconv.ParseUint(tmp[1], 16, 16)
port, err := strconv.ParseUint(portString, 16, 16)
if err != nil {
return nil, 0, err
}

158
vendor/github.com/prometheus/procfs/mdstat.go generated vendored
View file

@ -1,3 +1,16 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
@ -9,8 +22,8 @@ import (
)
var (
statuslineRE = regexp.MustCompile(`(\d+) blocks .*\[(\d+)/(\d+)\] \[[U_]+\]`)
buildlineRE = regexp.MustCompile(`\((\d+)/\d+\)`)
statusLineRE = regexp.MustCompile(`(\d+) blocks .*\[(\d+)/(\d+)\] \[[U_]+\]`)
recoveryLineRE = regexp.MustCompile(`\((\d+)/\d+\)`)
)
// MDStat holds info parsed from /proc/mdstat.
@ -21,117 +34,160 @@ type MDStat struct {
ActivityState string
// Number of active disks.
DisksActive int64
// Total number of disks the device consists of.
// Total number of disks the device requires.
DisksTotal int64
// Number of failed disks.
DisksFailed int64
// Spare disks in the device.
DisksSpare int64
// Number of blocks the device holds.
BlocksTotal int64
// Number of blocks on the device that are in sync.
BlocksSynced int64
}
// ParseMDStat parses an mdstat-file and returns a struct with the relevant infos.
func (fs FS) ParseMDStat() (mdstates []MDStat, err error) {
mdStatusFilePath := fs.Path("mdstat")
content, err := ioutil.ReadFile(mdStatusFilePath)
// MDStat parses an mdstat-file (/proc/mdstat) and returns a slice of
// structs containing the relevant info. More information available here:
// https://raid.wiki.kernel.org/index.php/Mdstat
func (fs FS) MDStat() ([]MDStat, error) {
data, err := ioutil.ReadFile(fs.proc.Path("mdstat"))
if err != nil {
return []MDStat{}, fmt.Errorf("error parsing %s: %s", mdStatusFilePath, err)
return nil, fmt.Errorf("error parsing mdstat %s: %s", fs.proc.Path("mdstat"), err)
}
mdstat, err := parseMDStat(data)
if err != nil {
return nil, fmt.Errorf("error parsing mdstat %s: %s", fs.proc.Path("mdstat"), err)
}
return mdstat, nil
}
mdStates := []MDStat{}
lines := strings.Split(string(content), "\n")
for i, l := range lines {
if l == "" {
continue
}
if l[0] == ' ' {
continue
}
if strings.HasPrefix(l, "Personalities") || strings.HasPrefix(l, "unused") {
// parseMDStat parses data from mdstat file (/proc/mdstat) and returns a slice of
// structs containing the relevant info.
func parseMDStat(mdStatData []byte) ([]MDStat, error) {
mdStats := []MDStat{}
lines := strings.Split(string(mdStatData), "\n")
for i, line := range lines {
if strings.TrimSpace(line) == "" || line[0] == ' ' ||
strings.HasPrefix(line, "Personalities") ||
strings.HasPrefix(line, "unused") {
continue
}
mainLine := strings.Split(l, " ")
if len(mainLine) < 3 {
return mdStates, fmt.Errorf("error parsing mdline: %s", l)
deviceFields := strings.Fields(line)
if len(deviceFields) < 3 {
return nil, fmt.Errorf("not enough fields in mdline (expected at least 3): %s", line)
}
mdName := mainLine[0]
activityState := mainLine[2]
mdName := deviceFields[0] // mdx
state := deviceFields[2] // active or inactive
if len(lines) <= i+3 {
return mdStates, fmt.Errorf(
"error parsing %s: too few lines for md device %s",
mdStatusFilePath,
return nil, fmt.Errorf(
"error parsing %s: too few lines for md device",
mdName,
)
}
active, total, size, err := evalStatusline(lines[i+1])
// Failed disks have the suffix (F) & Spare disks have the suffix (S).
fail := int64(strings.Count(line, "(F)"))
spare := int64(strings.Count(line, "(S)"))
active, total, size, err := evalStatusLine(lines[i], lines[i+1])
if err != nil {
return mdStates, fmt.Errorf("error parsing %s: %s", mdStatusFilePath, err)
return nil, fmt.Errorf("error parsing md device lines: %s", err)
}
// j is the line number of the syncing-line.
j := i + 2
syncLineIdx := i + 2
if strings.Contains(lines[i+2], "bitmap") { // skip bitmap line
j = i + 3
syncLineIdx++
}
// If device is syncing at the moment, get the number of currently
// synced bytes, otherwise that number equals the size of the device.
syncedBlocks := size
if strings.Contains(lines[j], "recovery") || strings.Contains(lines[j], "resync") {
syncedBlocks, err = evalBuildline(lines[j])
if err != nil {
return mdStates, fmt.Errorf("error parsing %s: %s", mdStatusFilePath, err)
recovering := strings.Contains(lines[syncLineIdx], "recovery")
resyncing := strings.Contains(lines[syncLineIdx], "resync")
// Append recovery and resyncing state info.
if recovering || resyncing {
if recovering {
state = "recovering"
} else {
state = "resyncing"
}
// Handle case when resync=PENDING or resync=DELAYED.
if strings.Contains(lines[syncLineIdx], "PENDING") ||
strings.Contains(lines[syncLineIdx], "DELAYED") {
syncedBlocks = 0
} else {
syncedBlocks, err = evalRecoveryLine(lines[syncLineIdx])
if err != nil {
return nil, fmt.Errorf("error parsing sync line in md device %s: %s", mdName, err)
}
}
}
mdStates = append(mdStates, MDStat{
mdStats = append(mdStats, MDStat{
Name: mdName,
ActivityState: activityState,
ActivityState: state,
DisksActive: active,
DisksFailed: fail,
DisksSpare: spare,
DisksTotal: total,
BlocksTotal: size,
BlocksSynced: syncedBlocks,
})
}
return mdStates, nil
return mdStats, nil
}
func evalStatusline(statusline string) (active, total, size int64, err error) {
matches := statuslineRE.FindStringSubmatch(statusline)
if len(matches) != 4 {
return 0, 0, 0, fmt.Errorf("unexpected statusline: %s", statusline)
func evalStatusLine(deviceLine, statusLine string) (active, total, size int64, err error) {
sizeStr := strings.Fields(statusLine)[0]
size, err = strconv.ParseInt(sizeStr, 10, 64)
if err != nil {
return 0, 0, 0, fmt.Errorf("unexpected statusLine %s: %s", statusLine, err)
}
size, err = strconv.ParseInt(matches[1], 10, 64)
if err != nil {
return 0, 0, 0, fmt.Errorf("unexpected statusline %s: %s", statusline, err)
if strings.Contains(deviceLine, "raid0") || strings.Contains(deviceLine, "linear") {
// In the device deviceLine, only disks have a number associated with them in [].
total = int64(strings.Count(deviceLine, "["))
return total, total, size, nil
}
if strings.Contains(deviceLine, "inactive") {
return 0, 0, size, nil
}
matches := statusLineRE.FindStringSubmatch(statusLine)
if len(matches) != 4 {
return 0, 0, 0, fmt.Errorf("couldn't find all the substring matches: %s", statusLine)
}
total, err = strconv.ParseInt(matches[2], 10, 64)
if err != nil {
return 0, 0, 0, fmt.Errorf("unexpected statusline %s: %s", statusline, err)
return 0, 0, 0, fmt.Errorf("unexpected statusLine %s: %s", statusLine, err)
}
active, err = strconv.ParseInt(matches[3], 10, 64)
if err != nil {
return 0, 0, 0, fmt.Errorf("unexpected statusline %s: %s", statusline, err)
return 0, 0, 0, fmt.Errorf("unexpected statusLine %s: %s", statusLine, err)
}
return active, total, size, nil
}
func evalBuildline(buildline string) (syncedBlocks int64, err error) {
matches := buildlineRE.FindStringSubmatch(buildline)
func evalRecoveryLine(recoveryLine string) (syncedBlocks int64, err error) {
matches := recoveryLineRE.FindStringSubmatch(recoveryLine)
if len(matches) != 2 {
return 0, fmt.Errorf("unexpected buildline: %s", buildline)
return 0, fmt.Errorf("unexpected recoveryLine: %s", recoveryLine)
}
syncedBlocks, err = strconv.ParseInt(matches[1], 10, 64)
if err != nil {
return 0, fmt.Errorf("%s in buildline: %s", err, buildline)
return 0, fmt.Errorf("%s in recoveryLine: %s", err, recoveryLine)
}
return syncedBlocks, nil

178
vendor/github.com/prometheus/procfs/mountinfo.go generated vendored Normal file
View file

@ -0,0 +1,178 @@
// Copyright 2019 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"bufio"
"fmt"
"io"
"os"
"strconv"
"strings"
)
var validOptionalFields = map[string]bool{
"shared": true,
"master": true,
"propagate_from": true,
"unbindable": true,
}
// A MountInfo is a type that describes the details, options
// for each mount, parsed from /proc/self/mountinfo.
// The fields described in each entry of /proc/self/mountinfo
// is described in the following man page.
// http://man7.org/linux/man-pages/man5/proc.5.html
type MountInfo struct {
// Unique Id for the mount
MountId int
// The Id of the parent mount
ParentId int
// The value of `st_dev` for the files on this FS
MajorMinorVer string
// The pathname of the directory in the FS that forms
// the root for this mount
Root string
// The pathname of the mount point relative to the root
MountPoint string
// Mount options
Options map[string]string
// Zero or more optional fields
OptionalFields map[string]string
// The Filesystem type
FSType string
// FS specific information or "none"
Source string
// Superblock options
SuperOptions map[string]string
}
// Returns part of the mountinfo line, if it exists, else an empty string.
func getStringSliceElement(parts []string, idx int, defaultValue string) string {
if idx >= len(parts) {
return defaultValue
}
return parts[idx]
}
// Reads each line of the mountinfo file, and returns a list of formatted MountInfo structs.
func parseMountInfo(r io.Reader) ([]*MountInfo, error) {
mounts := []*MountInfo{}
scanner := bufio.NewScanner(r)
for scanner.Scan() {
mountString := scanner.Text()
parsedMounts, err := parseMountInfoString(mountString)
if err != nil {
return nil, err
}
mounts = append(mounts, parsedMounts)
}
err := scanner.Err()
return mounts, err
}
// Parses a mountinfo file line, and converts it to a MountInfo struct.
// An important check here is to see if the hyphen separator, as if it does not exist,
// it means that the line is malformed.
func parseMountInfoString(mountString string) (*MountInfo, error) {
var err error
// OptionalFields can be zero, hence these checks to ensure we do not populate the wrong values in the wrong spots
separatorIndex := strings.Index(mountString, "-")
if separatorIndex == -1 {
return nil, fmt.Errorf("no separator found in mountinfo string: %s", mountString)
}
beforeFields := strings.Fields(mountString[:separatorIndex])
afterFields := strings.Fields(mountString[separatorIndex+1:])
if (len(beforeFields) + len(afterFields)) < 7 {
return nil, fmt.Errorf("too few fields")
}
mount := &MountInfo{
MajorMinorVer: getStringSliceElement(beforeFields, 2, ""),
Root: getStringSliceElement(beforeFields, 3, ""),
MountPoint: getStringSliceElement(beforeFields, 4, ""),
Options: mountOptionsParser(getStringSliceElement(beforeFields, 5, "")),
OptionalFields: nil,
FSType: getStringSliceElement(afterFields, 0, ""),
Source: getStringSliceElement(afterFields, 1, ""),
SuperOptions: mountOptionsParser(getStringSliceElement(afterFields, 2, "")),
}
mount.MountId, err = strconv.Atoi(getStringSliceElement(beforeFields, 0, ""))
if err != nil {
return nil, fmt.Errorf("failed to parse mount ID")
}
mount.ParentId, err = strconv.Atoi(getStringSliceElement(beforeFields, 1, ""))
if err != nil {
return nil, fmt.Errorf("failed to parse parent ID")
}
// Has optional fields, which is a space separated list of values.
// Example: shared:2 master:7
if len(beforeFields) > 6 {
mount.OptionalFields = make(map[string]string)
optionalFields := beforeFields[6:]
for _, field := range optionalFields {
optionSplit := strings.Split(field, ":")
target, value := optionSplit[0], ""
if len(optionSplit) == 2 {
value = optionSplit[1]
}
// Checks if the 'keys' in the optional fields in the mountinfo line are acceptable.
// Allowed 'keys' are shared, master, propagate_from, unbindable.
if _, ok := validOptionalFields[target]; ok {
mount.OptionalFields[target] = value
}
}
}
return mount, nil
}
// Parses the mount options, superblock options.
func mountOptionsParser(mountOptions string) map[string]string {
opts := make(map[string]string)
options := strings.Split(mountOptions, ",")
for _, opt := range options {
splitOption := strings.Split(opt, "=")
if len(splitOption) < 2 {
key := splitOption[0]
opts[key] = ""
} else {
key, value := splitOption[0], splitOption[1]
opts[key] = value
}
}
return opts
}
// Retrieves mountinfo information from `/proc/self/mountinfo`.
func GetMounts() ([]*MountInfo, error) {
f, err := os.Open("/proc/self/mountinfo")
if err != nil {
return nil, err
}
defer f.Close()
return parseMountInfo(f)
}
// Retrieves mountinfo information from a processes' `/proc/<pid>/mountinfo`.
func GetProcMounts(pid int) ([]*MountInfo, error) {
f, err := os.Open(fmt.Sprintf("/proc/%d/mountinfo", pid))
if err != nil {
return nil, err
}
defer f.Close()
return parseMountInfo(f)
}

115
vendor/github.com/prometheus/procfs/mountstats.go generated vendored
View file

@ -1,3 +1,16 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
// While implementing parsing of /proc/[pid]/mountstats, this blog was used
@ -26,8 +39,11 @@ const (
statVersion10 = "1.0"
statVersion11 = "1.1"
fieldTransport10Len = 10
fieldTransport11Len = 13
fieldTransport10TCPLen = 10
fieldTransport10UDPLen = 7
fieldTransport11TCPLen = 13
fieldTransport11UDPLen = 10
)
// A Mount is a device mount parsed from /proc/[pid]/mountstats.
@ -53,6 +69,8 @@ type MountStats interface {
type MountStatsNFS struct {
// The version of statistics provided.
StatVersion string
// The mount options of the NFS mount.
Opts map[string]string
// The age of the NFS mount.
Age time.Duration
// Statistics related to byte counters for various operations.
@ -163,16 +181,18 @@ type NFSOperationStats struct {
// Number of bytes received for this operation, including RPC headers and payload.
BytesReceived uint64
// Duration all requests spent queued for transmission before they were sent.
CumulativeQueueTime time.Duration
CumulativeQueueMilliseconds uint64
// Duration it took to get a reply back after the request was transmitted.
CumulativeTotalResponseTime time.Duration
CumulativeTotalResponseMilliseconds uint64
// Duration from when a request was enqueued to when it was completely handled.
CumulativeTotalRequestTime time.Duration
CumulativeTotalRequestMilliseconds uint64
}
// A NFSTransportStats contains statistics for the NFS mount RPC requests and
// responses.
type NFSTransportStats struct {
// The transport protocol used for the NFS mount.
Protocol string
// The local port used for the NFS mount.
Port uint64
// Number of times the client has had to establish a connection from scratch
@ -184,7 +204,7 @@ type NFSTransportStats struct {
// spent waiting for connections to the server to be established.
ConnectIdleTime uint64
// Duration since the NFS mount last saw any RPC traffic.
IdleTime time.Duration
IdleTimeSeconds uint64
// Number of RPC requests for this mount sent to the NFS server.
Sends uint64
// Number of RPC responses for this mount received from the NFS server.
@ -299,6 +319,7 @@ func parseMount(ss []string) (*Mount, error) {
func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, error) {
// Field indicators for parsing specific types of data
const (
fieldOpts = "opts:"
fieldAge = "age:"
fieldBytes = "bytes:"
fieldEvents = "events:"
@ -320,6 +341,18 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
}
switch ss[0] {
case fieldOpts:
if stats.Opts == nil {
stats.Opts = map[string]string{}
}
for _, opt := range strings.Split(ss[1], ",") {
split := strings.Split(opt, "=")
if len(split) == 2 {
stats.Opts[split[0]] = split[1]
} else {
stats.Opts[opt] = ""
}
}
case fieldAge:
// Age integer is in seconds
d, err := time.ParseDuration(ss[1] + "s")
@ -347,7 +380,7 @@ func parseMountStatsNFS(s *bufio.Scanner, statVersion string) (*MountStatsNFS, e
return nil, fmt.Errorf("not enough information for NFS transport stats: %v", ss)
}
tstats, err := parseNFSTransportStats(ss[2:], statVersion)
tstats, err := parseNFSTransportStats(ss[1:], statVersion)
if err != nil {
return nil, err
}
@ -491,15 +524,15 @@ func parseNFSOperationStats(s *bufio.Scanner) ([]NFSOperationStats, error) {
}
ops = append(ops, NFSOperationStats{
Operation: strings.TrimSuffix(ss[0], ":"),
Requests: ns[0],
Transmissions: ns[1],
MajorTimeouts: ns[2],
BytesSent: ns[3],
BytesReceived: ns[4],
CumulativeQueueTime: time.Duration(ns[5]) * time.Millisecond,
CumulativeTotalResponseTime: time.Duration(ns[6]) * time.Millisecond,
CumulativeTotalRequestTime: time.Duration(ns[7]) * time.Millisecond,
Operation: strings.TrimSuffix(ss[0], ":"),
Requests: ns[0],
Transmissions: ns[1],
MajorTimeouts: ns[2],
BytesSent: ns[3],
BytesReceived: ns[4],
CumulativeQueueMilliseconds: ns[5],
CumulativeTotalResponseMilliseconds: ns[6],
CumulativeTotalRequestMilliseconds: ns[7],
})
}
@ -509,13 +542,33 @@ func parseNFSOperationStats(s *bufio.Scanner) ([]NFSOperationStats, error) {
// parseNFSTransportStats parses a NFSTransportStats line using an input set of
// integer fields matched to a specific stats version.
func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats, error) {
// Extract the protocol field. It is the only string value in the line
protocol := ss[0]
ss = ss[1:]
switch statVersion {
case statVersion10:
if len(ss) != fieldTransport10Len {
var expectedLength int
if protocol == "tcp" {
expectedLength = fieldTransport10TCPLen
} else if protocol == "udp" {
expectedLength = fieldTransport10UDPLen
} else {
return nil, fmt.Errorf("invalid NFS protocol \"%s\" in stats 1.0 statement: %v", protocol, ss)
}
if len(ss) != expectedLength {
return nil, fmt.Errorf("invalid NFS transport stats 1.0 statement: %v", ss)
}
case statVersion11:
if len(ss) != fieldTransport11Len {
var expectedLength int
if protocol == "tcp" {
expectedLength = fieldTransport11TCPLen
} else if protocol == "udp" {
expectedLength = fieldTransport11UDPLen
} else {
return nil, fmt.Errorf("invalid NFS protocol \"%s\" in stats 1.1 statement: %v", protocol, ss)
}
if len(ss) != expectedLength {
return nil, fmt.Errorf("invalid NFS transport stats 1.1 statement: %v", ss)
}
default:
@ -523,23 +576,39 @@ func parseNFSTransportStats(ss []string, statVersion string) (*NFSTransportStats
}
// Allocate enough for v1.1 stats since zero value for v1.1 stats will be okay
// in a v1.0 response
ns := make([]uint64, 0, fieldTransport11Len)
for _, s := range ss {
// in a v1.0 response. Since the stat length is bigger for TCP stats, we use
// the TCP length here.
//
// Note: slice length must be set to length of v1.1 stats to avoid a panic when
// only v1.0 stats are present.
// See: https://github.com/prometheus/node_exporter/issues/571.
ns := make([]uint64, fieldTransport11TCPLen)
for i, s := range ss {
n, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return nil, err
}
ns = append(ns, n)
ns[i] = n
}
// The fields differ depending on the transport protocol (TCP or UDP)
// From https://utcc.utoronto.ca/%7Ecks/space/blog/linux/NFSMountstatsXprt
//
// For the udp RPC transport there is no connection count, connect idle time,
// or idle time (fields #3, #4, and #5); all other fields are the same. So
// we set them to 0 here.
if protocol == "udp" {
ns = append(ns[:2], append(make([]uint64, 3), ns[2:]...)...)
}
return &NFSTransportStats{
Protocol: protocol,
Port: ns[0],
Bind: ns[1],
Connect: ns[2],
ConnectIdleTime: ns[3],
IdleTime: time.Duration(ns[4]) * time.Second,
IdleTimeSeconds: ns[4],
Sends: ns[5],
Receives: ns[6],
BadTransactionIDs: ns[7],

206
vendor/github.com/prometheus/procfs/net_dev.go generated vendored Normal file
View file

@ -0,0 +1,206 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"bufio"
"errors"
"os"
"sort"
"strconv"
"strings"
)
// NetDevLine is single line parsed from /proc/net/dev or /proc/[pid]/net/dev.
type NetDevLine struct {
Name string `json:"name"` // The name of the interface.
RxBytes uint64 `json:"rx_bytes"` // Cumulative count of bytes received.
RxPackets uint64 `json:"rx_packets"` // Cumulative count of packets received.
RxErrors uint64 `json:"rx_errors"` // Cumulative count of receive errors encountered.
RxDropped uint64 `json:"rx_dropped"` // Cumulative count of packets dropped while receiving.
RxFIFO uint64 `json:"rx_fifo"` // Cumulative count of FIFO buffer errors.
RxFrame uint64 `json:"rx_frame"` // Cumulative count of packet framing errors.
RxCompressed uint64 `json:"rx_compressed"` // Cumulative count of compressed packets received by the device driver.
RxMulticast uint64 `json:"rx_multicast"` // Cumulative count of multicast frames received by the device driver.
TxBytes uint64 `json:"tx_bytes"` // Cumulative count of bytes transmitted.
TxPackets uint64 `json:"tx_packets"` // Cumulative count of packets transmitted.
TxErrors uint64 `json:"tx_errors"` // Cumulative count of transmit errors encountered.
TxDropped uint64 `json:"tx_dropped"` // Cumulative count of packets dropped while transmitting.
TxFIFO uint64 `json:"tx_fifo"` // Cumulative count of FIFO buffer errors.
TxCollisions uint64 `json:"tx_collisions"` // Cumulative count of collisions detected on the interface.
TxCarrier uint64 `json:"tx_carrier"` // Cumulative count of carrier losses detected by the device driver.
TxCompressed uint64 `json:"tx_compressed"` // Cumulative count of compressed packets transmitted by the device driver.
}
// NetDev is parsed from /proc/net/dev or /proc/[pid]/net/dev. The map keys
// are interface names.
type NetDev map[string]NetDevLine
// NetDev returns kernel/system statistics read from /proc/net/dev.
func (fs FS) NetDev() (NetDev, error) {
return newNetDev(fs.proc.Path("net/dev"))
}
// NetDev returns kernel/system statistics read from /proc/[pid]/net/dev.
func (p Proc) NetDev() (NetDev, error) {
return newNetDev(p.path("net/dev"))
}
// newNetDev creates a new NetDev from the contents of the given file.
func newNetDev(file string) (NetDev, error) {
f, err := os.Open(file)
if err != nil {
return NetDev{}, err
}
defer f.Close()
netDev := NetDev{}
s := bufio.NewScanner(f)
for n := 0; s.Scan(); n++ {
// Skip the 2 header lines.
if n < 2 {
continue
}
line, err := netDev.parseLine(s.Text())
if err != nil {
return netDev, err
}
netDev[line.Name] = *line
}
return netDev, s.Err()
}
// parseLine parses a single line from the /proc/net/dev file. Header lines
// must be filtered prior to calling this method.
func (netDev NetDev) parseLine(rawLine string) (*NetDevLine, error) {
parts := strings.SplitN(rawLine, ":", 2)
if len(parts) != 2 {
return nil, errors.New("invalid net/dev line, missing colon")
}
fields := strings.Fields(strings.TrimSpace(parts[1]))
var err error
line := &NetDevLine{}
// Interface Name
line.Name = strings.TrimSpace(parts[0])
if line.Name == "" {
return nil, errors.New("invalid net/dev line, empty interface name")
}
// RX
line.RxBytes, err = strconv.ParseUint(fields[0], 10, 64)
if err != nil {
return nil, err
}
line.RxPackets, err = strconv.ParseUint(fields[1], 10, 64)
if err != nil {
return nil, err
}
line.RxErrors, err = strconv.ParseUint(fields[2], 10, 64)
if err != nil {
return nil, err
}
line.RxDropped, err = strconv.ParseUint(fields[3], 10, 64)
if err != nil {
return nil, err
}
line.RxFIFO, err = strconv.ParseUint(fields[4], 10, 64)
if err != nil {
return nil, err
}
line.RxFrame, err = strconv.ParseUint(fields[5], 10, 64)
if err != nil {
return nil, err
}
line.RxCompressed, err = strconv.ParseUint(fields[6], 10, 64)
if err != nil {
return nil, err
}
line.RxMulticast, err = strconv.ParseUint(fields[7], 10, 64)
if err != nil {
return nil, err
}
// TX
line.TxBytes, err = strconv.ParseUint(fields[8], 10, 64)
if err != nil {
return nil, err
}
line.TxPackets, err = strconv.ParseUint(fields[9], 10, 64)
if err != nil {
return nil, err
}
line.TxErrors, err = strconv.ParseUint(fields[10], 10, 64)
if err != nil {
return nil, err
}
line.TxDropped, err = strconv.ParseUint(fields[11], 10, 64)
if err != nil {
return nil, err
}
line.TxFIFO, err = strconv.ParseUint(fields[12], 10, 64)
if err != nil {
return nil, err
}
line.TxCollisions, err = strconv.ParseUint(fields[13], 10, 64)
if err != nil {
return nil, err
}
line.TxCarrier, err = strconv.ParseUint(fields[14], 10, 64)
if err != nil {
return nil, err
}
line.TxCompressed, err = strconv.ParseUint(fields[15], 10, 64)
if err != nil {
return nil, err
}
return line, nil
}
// Total aggregates the values across interfaces and returns a new NetDevLine.
// The Name field will be a sorted comma separated list of interface names.
func (netDev NetDev) Total() NetDevLine {
total := NetDevLine{}
names := make([]string, 0, len(netDev))
for _, ifc := range netDev {
names = append(names, ifc.Name)
total.RxBytes += ifc.RxBytes
total.RxPackets += ifc.RxPackets
total.RxPackets += ifc.RxPackets
total.RxErrors += ifc.RxErrors
total.RxDropped += ifc.RxDropped
total.RxFIFO += ifc.RxFIFO
total.RxFrame += ifc.RxFrame
total.RxCompressed += ifc.RxCompressed
total.RxMulticast += ifc.RxMulticast
total.TxBytes += ifc.TxBytes
total.TxPackets += ifc.TxPackets
total.TxErrors += ifc.TxErrors
total.TxDropped += ifc.TxDropped
total.TxFIFO += ifc.TxFIFO
total.TxCollisions += ifc.TxCollisions
total.TxCarrier += ifc.TxCarrier
total.TxCompressed += ifc.TxCompressed
}
sort.Strings(names)
total.Name = strings.Join(names, ", ")
return total
}

275
vendor/github.com/prometheus/procfs/net_unix.go generated vendored Normal file
View file

@ -0,0 +1,275 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"bufio"
"errors"
"fmt"
"io"
"os"
"strconv"
"strings"
)
// For the proc file format details,
// see https://elixir.bootlin.com/linux/v4.17/source/net/unix/af_unix.c#L2815
// and https://elixir.bootlin.com/linux/latest/source/include/uapi/linux/net.h#L48.
const (
netUnixKernelPtrIdx = iota
netUnixRefCountIdx
_
netUnixFlagsIdx
netUnixTypeIdx
netUnixStateIdx
netUnixInodeIdx
// Inode and Path are optional.
netUnixStaticFieldsCnt = 6
)
const (
netUnixTypeStream = 1
netUnixTypeDgram = 2
netUnixTypeSeqpacket = 5
netUnixFlagListen = 1 << 16
netUnixStateUnconnected = 1
netUnixStateConnecting = 2
netUnixStateConnected = 3
netUnixStateDisconnected = 4
)
var errInvalidKernelPtrFmt = errors.New("Invalid Num(the kernel table slot number) format")
// NetUnixType is the type of the type field.
type NetUnixType uint64
// NetUnixFlags is the type of the flags field.
type NetUnixFlags uint64
// NetUnixState is the type of the state field.
type NetUnixState uint64
// NetUnixLine represents a line of /proc/net/unix.
type NetUnixLine struct {
KernelPtr string
RefCount uint64
Protocol uint64
Flags NetUnixFlags
Type NetUnixType
State NetUnixState
Inode uint64
Path string
}
// NetUnix holds the data read from /proc/net/unix.
type NetUnix struct {
Rows []*NetUnixLine
}
// NewNetUnix returns data read from /proc/net/unix.
func NewNetUnix() (*NetUnix, error) {
fs, err := NewFS(DefaultMountPoint)
if err != nil {
return nil, err
}
return fs.NewNetUnix()
}
// NewNetUnix returns data read from /proc/net/unix.
func (fs FS) NewNetUnix() (*NetUnix, error) {
return NewNetUnixByPath(fs.proc.Path("net/unix"))
}
// NewNetUnixByPath returns data read from /proc/net/unix by file path.
// It might returns an error with partial parsed data, if an error occur after some data parsed.
func NewNetUnixByPath(path string) (*NetUnix, error) {
f, err := os.Open(path)
if err != nil {
return nil, err
}
defer f.Close()
return NewNetUnixByReader(f)
}
// NewNetUnixByReader returns data read from /proc/net/unix by a reader.
// It might returns an error with partial parsed data, if an error occur after some data parsed.
func NewNetUnixByReader(reader io.Reader) (*NetUnix, error) {
nu := &NetUnix{
Rows: make([]*NetUnixLine, 0, 32),
}
scanner := bufio.NewScanner(reader)
// Omit the header line.
scanner.Scan()
header := scanner.Text()
// From the man page of proc(5), it does not contain an Inode field,
// but in actually it exists.
// This code works for both cases.
hasInode := strings.Contains(header, "Inode")
minFieldsCnt := netUnixStaticFieldsCnt
if hasInode {
minFieldsCnt++
}
for scanner.Scan() {
line := scanner.Text()
item, err := nu.parseLine(line, hasInode, minFieldsCnt)
if err != nil {
return nu, err
}
nu.Rows = append(nu.Rows, item)
}
return nu, scanner.Err()
}
func (u *NetUnix) parseLine(line string, hasInode bool, minFieldsCnt int) (*NetUnixLine, error) {
fields := strings.Fields(line)
fieldsLen := len(fields)
if fieldsLen < minFieldsCnt {
return nil, fmt.Errorf(
"Parse Unix domain failed: expect at least %d fields but got %d",
minFieldsCnt, fieldsLen)
}
kernelPtr, err := u.parseKernelPtr(fields[netUnixKernelPtrIdx])
if err != nil {
return nil, fmt.Errorf("Parse Unix domain num(%s) failed: %s", fields[netUnixKernelPtrIdx], err)
}
users, err := u.parseUsers(fields[netUnixRefCountIdx])
if err != nil {
return nil, fmt.Errorf("Parse Unix domain ref count(%s) failed: %s", fields[netUnixRefCountIdx], err)
}
flags, err := u.parseFlags(fields[netUnixFlagsIdx])
if err != nil {
return nil, fmt.Errorf("Parse Unix domain flags(%s) failed: %s", fields[netUnixFlagsIdx], err)
}
typ, err := u.parseType(fields[netUnixTypeIdx])
if err != nil {
return nil, fmt.Errorf("Parse Unix domain type(%s) failed: %s", fields[netUnixTypeIdx], err)
}
state, err := u.parseState(fields[netUnixStateIdx])
if err != nil {
return nil, fmt.Errorf("Parse Unix domain state(%s) failed: %s", fields[netUnixStateIdx], err)
}
var inode uint64
if hasInode {
inodeStr := fields[netUnixInodeIdx]
inode, err = u.parseInode(inodeStr)
if err != nil {
return nil, fmt.Errorf("Parse Unix domain inode(%s) failed: %s", inodeStr, err)
}
}
nuLine := &NetUnixLine{
KernelPtr: kernelPtr,
RefCount: users,
Type: typ,
Flags: flags,
State: state,
Inode: inode,
}
// Path field is optional.
if fieldsLen > minFieldsCnt {
pathIdx := netUnixInodeIdx + 1
if !hasInode {
pathIdx--
}
nuLine.Path = fields[pathIdx]
}
return nuLine, nil
}
func (u NetUnix) parseKernelPtr(str string) (string, error) {
if !strings.HasSuffix(str, ":") {
return "", errInvalidKernelPtrFmt
}
return str[:len(str)-1], nil
}
func (u NetUnix) parseUsers(hexStr string) (uint64, error) {
return strconv.ParseUint(hexStr, 16, 32)
}
func (u NetUnix) parseProtocol(hexStr string) (uint64, error) {
return strconv.ParseUint(hexStr, 16, 32)
}
func (u NetUnix) parseType(hexStr string) (NetUnixType, error) {
typ, err := strconv.ParseUint(hexStr, 16, 16)
if err != nil {
return 0, err
}
return NetUnixType(typ), nil
}
func (u NetUnix) parseFlags(hexStr string) (NetUnixFlags, error) {
flags, err := strconv.ParseUint(hexStr, 16, 32)
if err != nil {
return 0, err
}
return NetUnixFlags(flags), nil
}
func (u NetUnix) parseState(hexStr string) (NetUnixState, error) {
st, err := strconv.ParseInt(hexStr, 16, 8)
if err != nil {
return 0, err
}
return NetUnixState(st), nil
}
func (u NetUnix) parseInode(inodeStr string) (uint64, error) {
return strconv.ParseUint(inodeStr, 10, 64)
}
func (t NetUnixType) String() string {
switch t {
case netUnixTypeStream:
return "stream"
case netUnixTypeDgram:
return "dgram"
case netUnixTypeSeqpacket:
return "seqpacket"
}
return "unknown"
}
func (f NetUnixFlags) String() string {
switch f {
case netUnixFlagListen:
return "listen"
default:
return "default"
}
}
func (s NetUnixState) String() string {
switch s {
case netUnixStateUnconnected:
return "unconnected"
case netUnixStateConnecting:
return "connecting"
case netUnixStateConnected:
return "connected"
case netUnixStateDisconnected:
return "disconnected"
}
return "unknown"
}

77
vendor/github.com/prometheus/procfs/proc.go generated vendored
View file

@ -1,11 +1,27 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"bytes"
"fmt"
"io/ioutil"
"os"
"strconv"
"strings"
"github.com/prometheus/procfs/internal/fs"
)
// Proc provides information about a running process.
@ -13,7 +29,7 @@ type Proc struct {
// The process ID.
PID int
fs FS
fs fs.FS
}
// Procs represents a list of Proc structs.
@ -38,7 +54,7 @@ func NewProc(pid int) (Proc, error) {
if err != nil {
return Proc{}, err
}
return fs.NewProc(pid)
return fs.Proc(pid)
}
// AllProcs returns a list of all currently available processes under /proc.
@ -52,28 +68,35 @@ func AllProcs() (Procs, error) {
// Self returns a process for the current process.
func (fs FS) Self() (Proc, error) {
p, err := os.Readlink(fs.Path("self"))
p, err := os.Readlink(fs.proc.Path("self"))
if err != nil {
return Proc{}, err
}
pid, err := strconv.Atoi(strings.Replace(p, string(fs), "", -1))
pid, err := strconv.Atoi(strings.Replace(p, string(fs.proc), "", -1))
if err != nil {
return Proc{}, err
}
return fs.NewProc(pid)
return fs.Proc(pid)
}
// NewProc returns a process for the given pid.
//
// Deprecated: use fs.Proc() instead
func (fs FS) NewProc(pid int) (Proc, error) {
if _, err := os.Stat(fs.Path(strconv.Itoa(pid))); err != nil {
return fs.Proc(pid)
}
// Proc returns a process for the given pid.
func (fs FS) Proc(pid int) (Proc, error) {
if _, err := os.Stat(fs.proc.Path(strconv.Itoa(pid))); err != nil {
return Proc{}, err
}
return Proc{PID: pid, fs: fs}, nil
return Proc{PID: pid, fs: fs.proc}, nil
}
// AllProcs returns a list of all currently available processes.
func (fs FS) AllProcs() (Procs, error) {
d, err := os.Open(fs.Path())
d, err := os.Open(fs.proc.Path())
if err != nil {
return Procs{}, err
}
@ -90,7 +113,7 @@ func (fs FS) AllProcs() (Procs, error) {
if err != nil {
continue
}
p = append(p, Proc{PID: int(pid), fs: fs})
p = append(p, Proc{PID: int(pid), fs: fs.proc})
}
return p, nil
@ -113,7 +136,7 @@ func (p Proc) CmdLine() ([]string, error) {
return []string{}, nil
}
return strings.Split(string(data[:len(data)-1]), string(byte(0))), nil
return strings.Split(string(bytes.TrimRight(data, string("\x00"))), string(byte(0))), nil
}
// Comm returns the command name of a process.
@ -142,6 +165,26 @@ func (p Proc) Executable() (string, error) {
return exe, err
}
// Cwd returns the absolute path to the current working directory of the process.
func (p Proc) Cwd() (string, error) {
wd, err := os.Readlink(p.path("cwd"))
if os.IsNotExist(err) {
return "", nil
}
return wd, err
}
// RootDir returns the absolute path to the process's root directory (as set by chroot)
func (p Proc) RootDir() (string, error) {
rdir, err := os.Readlink(p.path("root"))
if os.IsNotExist(err) {
return "", nil
}
return rdir, err
}
// FileDescriptors returns the currently open file descriptors of a process.
func (p Proc) FileDescriptors() ([]uintptr, error) {
names, err := p.fileDescriptors()
@ -204,6 +247,20 @@ func (p Proc) MountStats() ([]*Mount, error) {
return parseMountStats(f)
}
// MountInfo retrieves mount information for mount points in a
// process's namespace.
// It supplies information missing in `/proc/self/mounts` and
// fixes various other problems with that file too.
func (p Proc) MountInfo() ([]*MountInfo, error) {
f, err := os.Open(p.path("mountinfo"))
if err != nil {
return nil, err
}
defer f.Close()
return parseMountInfo(f)
}
func (p Proc) fileDescriptors() ([]string, error) {
d, err := os.Open(p.path("fd"))
if err != nil {

43
vendor/github.com/prometheus/procfs/proc_environ.go generated vendored Normal file
View file

@ -0,0 +1,43 @@
// Copyright 2019 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"io/ioutil"
"os"
"strings"
)
// Environ reads process environments from /proc/<pid>/environ
func (p Proc) Environ() ([]string, error) {
environments := make([]string, 0)
f, err := os.Open(p.path("environ"))
if err != nil {
return environments, err
}
defer f.Close()
data, err := ioutil.ReadAll(f)
if err != nil {
return environments, err
}
environments = strings.Split(string(data), "\000")
if len(environments) > 0 {
environments = environments[:len(environments)-1]
}
return environments, nil
}

22
vendor/github.com/prometheus/procfs/proc_io.go generated vendored
View file

@ -1,3 +1,16 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
@ -26,8 +39,8 @@ type ProcIO struct {
CancelledWriteBytes int64
}
// NewIO creates a new ProcIO instance from a given Proc instance.
func (p Proc) NewIO() (ProcIO, error) {
// IO creates a new ProcIO instance from a given Proc instance.
func (p Proc) IO() (ProcIO, error) {
pio := ProcIO{}
f, err := os.Open(p.path("io"))
@ -47,9 +60,6 @@ func (p Proc) NewIO() (ProcIO, error) {
_, err = fmt.Sscanf(string(data), ioFormat, &pio.RChar, &pio.WChar, &pio.SyscR,
&pio.SyscW, &pio.ReadBytes, &pio.WriteBytes, &pio.CancelledWriteBytes)
if err != nil {
return pio, err
}
return pio, nil
return pio, err
}

58
vendor/github.com/prometheus/procfs/proc_limits.go generated vendored
View file

@ -1,3 +1,16 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
@ -13,46 +26,46 @@ import (
// http://man7.org/linux/man-pages/man2/getrlimit.2.html.
type ProcLimits struct {
// CPU time limit in seconds.
CPUTime int
CPUTime int64
// Maximum size of files that the process may create.
FileSize int
FileSize int64
// Maximum size of the process's data segment (initialized data,
// uninitialized data, and heap).
DataSize int
DataSize int64
// Maximum size of the process stack in bytes.
StackSize int
StackSize int64
// Maximum size of a core file.
CoreFileSize int
CoreFileSize int64
// Limit of the process's resident set in pages.
ResidentSet int
ResidentSet int64
// Maximum number of processes that can be created for the real user ID of
// the calling process.
Processes int
Processes int64
// Value one greater than the maximum file descriptor number that can be
// opened by this process.
OpenFiles int
OpenFiles int64
// Maximum number of bytes of memory that may be locked into RAM.
LockedMemory int
LockedMemory int64
// Maximum size of the process's virtual memory address space in bytes.
AddressSpace int
AddressSpace int64
// Limit on the combined number of flock(2) locks and fcntl(2) leases that
// this process may establish.
FileLocks int
FileLocks int64
// Limit of signals that may be queued for the real user ID of the calling
// process.
PendingSignals int
PendingSignals int64
// Limit on the number of bytes that can be allocated for POSIX message
// queues for the real user ID of the calling process.
MsqqueueSize int
MsqqueueSize int64
// Limit of the nice priority set using setpriority(2) or nice(2).
NicePriority int
NicePriority int64
// Limit of the real-time priority set using sched_setscheduler(2) or
// sched_setparam(2).
RealtimePriority int
RealtimePriority int64
// Limit (in microseconds) on the amount of CPU time that a process
// scheduled under a real-time scheduling policy may consume without making
// a blocking system call.
RealtimeTimeout int
RealtimeTimeout int64
}
const (
@ -65,7 +78,14 @@ var (
)
// NewLimits returns the current soft limits of the process.
//
// Deprecated: use p.Limits() instead
func (p Proc) NewLimits() (ProcLimits, error) {
return p.Limits()
}
// Limits returns the current soft limits of the process.
func (p Proc) Limits() (ProcLimits, error) {
f, err := os.Open(p.path("limits"))
if err != nil {
return ProcLimits{}, err
@ -125,13 +145,13 @@ func (p Proc) NewLimits() (ProcLimits, error) {
return l, s.Err()
}
func parseInt(s string) (int, error) {
func parseInt(s string) (int64, error) {
if s == limitsUnlimited {
return -1, nil
}
i, err := strconv.ParseInt(s, 10, 32)
i, err := strconv.ParseInt(s, 10, 64)
if err != nil {
return 0, fmt.Errorf("couldn't parse value %s: %s", s, err)
}
return int(i), nil
return i, nil
}

68
vendor/github.com/prometheus/procfs/proc_ns.go generated vendored Normal file
View file

@ -0,0 +1,68 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"fmt"
"os"
"strconv"
"strings"
)
// Namespace represents a single namespace of a process.
type Namespace struct {
Type string // Namespace type.
Inode uint32 // Inode number of the namespace. If two processes are in the same namespace their inodes will match.
}
// Namespaces contains all of the namespaces that the process is contained in.
type Namespaces map[string]Namespace
// Namespaces reads from /proc/<pid>/ns/* to get the namespaces of which the
// process is a member.
func (p Proc) Namespaces() (Namespaces, error) {
d, err := os.Open(p.path("ns"))
if err != nil {
return nil, err
}
defer d.Close()
names, err := d.Readdirnames(-1)
if err != nil {
return nil, fmt.Errorf("failed to read contents of ns dir: %v", err)
}
ns := make(Namespaces, len(names))
for _, name := range names {
target, err := os.Readlink(p.path("ns", name))
if err != nil {
return nil, err
}
fields := strings.SplitN(target, ":", 2)
if len(fields) != 2 {
return nil, fmt.Errorf("failed to parse namespace type and inode from '%v'", target)
}
typ := fields[0]
inode, err := strconv.ParseUint(strings.Trim(fields[1], "[]"), 10, 32)
if err != nil {
return nil, fmt.Errorf("failed to parse inode from '%v': %v", fields[1], err)
}
ns[name] = Namespace{typ, uint32(inode)}
}
return ns, nil
}

101
vendor/github.com/prometheus/procfs/proc_psi.go generated vendored Normal file
View file

@ -0,0 +1,101 @@
// Copyright 2019 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
// The PSI / pressure interface is described at
// https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/accounting/psi.txt
// Each resource (cpu, io, memory, ...) is exposed as a single file.
// Each file may contain up to two lines, one for "some" pressure and one for "full" pressure.
// Each line contains several averages (over n seconds) and a total in µs.
//
// Example io pressure file:
// > some avg10=0.06 avg60=0.21 avg300=0.99 total=8537362
// > full avg10=0.00 avg60=0.13 avg300=0.96 total=8183134
import (
"fmt"
"io"
"io/ioutil"
"os"
"strings"
)
const lineFormat = "avg10=%f avg60=%f avg300=%f total=%d"
// PSILine is a single line of values as returned by /proc/pressure/*
// The Avg entries are averages over n seconds, as a percentage
// The Total line is in microseconds
type PSILine struct {
Avg10 float64
Avg60 float64
Avg300 float64
Total uint64
}
// PSIStats represent pressure stall information from /proc/pressure/*
// Some indicates the share of time in which at least some tasks are stalled
// Full indicates the share of time in which all non-idle tasks are stalled simultaneously
type PSIStats struct {
Some *PSILine
Full *PSILine
}
// PSIStatsForResource reads pressure stall information for the specified
// resource from /proc/pressure/<resource>. At time of writing this can be
// either "cpu", "memory" or "io".
func (fs FS) PSIStatsForResource(resource string) (PSIStats, error) {
file, err := os.Open(fs.proc.Path(fmt.Sprintf("%s/%s", "pressure", resource)))
if err != nil {
return PSIStats{}, fmt.Errorf("psi_stats: unavailable for %s", resource)
}
defer file.Close()
return parsePSIStats(resource, file)
}
// parsePSIStats parses the specified file for pressure stall information
func parsePSIStats(resource string, file io.Reader) (PSIStats, error) {
psiStats := PSIStats{}
stats, err := ioutil.ReadAll(file)
if err != nil {
return psiStats, fmt.Errorf("psi_stats: unable to read data for %s", resource)
}
for _, l := range strings.Split(string(stats), "\n") {
prefix := strings.Split(l, " ")[0]
switch prefix {
case "some":
psi := PSILine{}
_, err := fmt.Sscanf(l, fmt.Sprintf("some %s", lineFormat), &psi.Avg10, &psi.Avg60, &psi.Avg300, &psi.Total)
if err != nil {
return PSIStats{}, err
}
psiStats.Some = &psi
case "full":
psi := PSILine{}
_, err := fmt.Sscanf(l, fmt.Sprintf("full %s", lineFormat), &psi.Avg10, &psi.Avg60, &psi.Avg300, &psi.Total)
if err != nil {
return PSIStats{}, err
}
psiStats.Full = &psi
default:
// If we encounter a line with an unknown prefix, ignore it and move on
// Should new measurement types be added in the future we'll simply ignore them instead
// of erroring on retrieval
continue
}
}
return psiStats, nil
}

33
vendor/github.com/prometheus/procfs/proc_stat.go generated vendored
View file

@ -1,3 +1,16 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
@ -5,6 +18,8 @@ import (
"fmt"
"io/ioutil"
"os"
"github.com/prometheus/procfs/internal/fs"
)
// Originally, this USER_HZ value was dynamically retrieved via a sysconf call
@ -82,15 +97,22 @@ type ProcStat struct {
// in clock ticks.
Starttime uint64
// Virtual memory size in bytes.
VSize int
VSize uint
// Resident set size in pages.
RSS int
fs FS
proc fs.FS
}
// NewStat returns the current status information of the process.
//
// Deprecated: use p.Stat() instead
func (p Proc) NewStat() (ProcStat, error) {
return p.Stat()
}
// Stat returns the current status information of the process.
func (p Proc) Stat() (ProcStat, error) {
f, err := os.Open(p.path("stat"))
if err != nil {
return ProcStat{}, err
@ -105,7 +127,7 @@ func (p Proc) NewStat() (ProcStat, error) {
var (
ignore int
s = ProcStat{PID: p.PID, fs: p.fs}
s = ProcStat{PID: p.PID, proc: p.fs}
l = bytes.Index(data, []byte("("))
r = bytes.LastIndex(data, []byte(")"))
)
@ -151,7 +173,7 @@ func (p Proc) NewStat() (ProcStat, error) {
}
// VirtualMemory returns the virtual memory size in bytes.
func (s ProcStat) VirtualMemory() int {
func (s ProcStat) VirtualMemory() uint {
return s.VSize
}
@ -162,7 +184,8 @@ func (s ProcStat) ResidentMemory() int {
// StartTime returns the unix timestamp of the process in seconds.
func (s ProcStat) StartTime() (float64, error) {
stat, err := s.fs.NewStat()
fs := FS{proc: s.proc}
stat, err := fs.Stat()
if err != nil {
return 0, err
}

162
vendor/github.com/prometheus/procfs/proc_status.go generated vendored Normal file
View file

@ -0,0 +1,162 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"bytes"
"io/ioutil"
"os"
"strconv"
"strings"
)
// ProcStat provides status information about the process,
// read from /proc/[pid]/stat.
type ProcStatus struct {
// The process ID.
PID int
// The process name.
Name string
// Peak virtual memory size.
VmPeak uint64
// Virtual memory size.
VmSize uint64
// Locked memory size.
VmLck uint64
// Pinned memory size.
VmPin uint64
// Peak resident set size.
VmHWM uint64
// Resident set size (sum of RssAnnon RssFile and RssShmem).
VmRSS uint64
// Size of resident anonymous memory.
RssAnon uint64
// Size of resident file mappings.
RssFile uint64
// Size of resident shared memory.
RssShmem uint64
// Size of data segments.
VmData uint64
// Size of stack segments.
VmStk uint64
// Size of text segments.
VmExe uint64
// Shared library code size.
VmLib uint64
// Page table entries size.
VmPTE uint64
// Size of second-level page tables.
VmPMD uint64
// Swapped-out virtual memory size by anonymous private.
VmSwap uint64
// Size of hugetlb memory portions
HugetlbPages uint64
// Number of voluntary context switches.
VoluntaryCtxtSwitches uint64
// Number of involuntary context switches.
NonVoluntaryCtxtSwitches uint64
}
// NewStatus returns the current status information of the process.
func (p Proc) NewStatus() (ProcStatus, error) {
f, err := os.Open(p.path("status"))
if err != nil {
return ProcStatus{}, err
}
defer f.Close()
data, err := ioutil.ReadAll(f)
if err != nil {
return ProcStatus{}, err
}
s := ProcStatus{PID: p.PID}
lines := strings.Split(string(data), "\n")
for _, line := range lines {
if !bytes.Contains([]byte(line), []byte(":")) {
continue
}
kv := strings.SplitN(line, ":", 2)
// removes spaces
k := string(strings.TrimSpace(kv[0]))
v := string(strings.TrimSpace(kv[1]))
// removes "kB"
v = string(bytes.Trim([]byte(v), " kB"))
// value to int when possible
// we can skip error check here, 'cause vKBytes is not used when value is a string
vKBytes, _ := strconv.ParseUint(v, 10, 64)
// convert kB to B
vBytes := vKBytes * 1024
s.fillStatus(k, v, vKBytes, vBytes)
}
return s, nil
}
func (s *ProcStatus) fillStatus(k string, vString string, vUint uint64, vUintBytes uint64) {
switch k {
case "Name":
s.Name = vString
case "VmPeak":
s.VmPeak = vUintBytes
case "VmSize":
s.VmSize = vUintBytes
case "VmLck":
s.VmLck = vUintBytes
case "VmPin":
s.VmPin = vUintBytes
case "VmHWM":
s.VmHWM = vUintBytes
case "VmRSS":
s.VmRSS = vUintBytes
case "RssAnon":
s.RssAnon = vUintBytes
case "RssFile":
s.RssFile = vUintBytes
case "RssShmem":
s.RssShmem = vUintBytes
case "VmData":
s.VmData = vUintBytes
case "VmStk":
s.VmStk = vUintBytes
case "VmExe":
s.VmExe = vUintBytes
case "VmLib":
s.VmLib = vUintBytes
case "VmPTE":
s.VmPTE = vUintBytes
case "VmPMD":
s.VmPMD = vUintBytes
case "VmSwap":
s.VmSwap = vUintBytes
case "HugetlbPages":
s.HugetlbPages = vUintBytes
case "voluntary_ctxt_switches":
s.VoluntaryCtxtSwitches = vUint
case "nonvoluntary_ctxt_switches":
s.NonVoluntaryCtxtSwitches = vUint
}
}
// TotalCtxtSwitches returns the total context switch.
func (s ProcStatus) TotalCtxtSwitches() uint64 {
return s.VoluntaryCtxtSwitches + s.NonVoluntaryCtxtSwitches
}

230
vendor/github.com/prometheus/procfs/stat.go generated vendored
View file

@ -1,56 +1,244 @@
// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"bufio"
"fmt"
"io"
"os"
"strconv"
"strings"
"github.com/prometheus/procfs/internal/fs"
)
// CPUStat shows how much time the cpu spend in various stages.
type CPUStat struct {
User float64
Nice float64
System float64
Idle float64
Iowait float64
IRQ float64
SoftIRQ float64
Steal float64
Guest float64
GuestNice float64
}
// SoftIRQStat represent the softirq statistics as exported in the procfs stat file.
// A nice introduction can be found at https://0xax.gitbooks.io/linux-insides/content/interrupts/interrupts-9.html
// It is possible to get per-cpu stats by reading /proc/softirqs
type SoftIRQStat struct {
Hi uint64
Timer uint64
NetTx uint64
NetRx uint64
Block uint64
BlockIoPoll uint64
Tasklet uint64
Sched uint64
Hrtimer uint64
Rcu uint64
}
// Stat represents kernel/system statistics.
type Stat struct {
// Boot time in seconds since the Epoch.
BootTime int64
BootTime uint64
// Summed up cpu statistics.
CPUTotal CPUStat
// Per-CPU statistics.
CPU []CPUStat
// Number of times interrupts were handled, which contains numbered and unnumbered IRQs.
IRQTotal uint64
// Number of times a numbered IRQ was triggered.
IRQ []uint64
// Number of times a context switch happened.
ContextSwitches uint64
// Number of times a process was created.
ProcessCreated uint64
// Number of processes currently running.
ProcessesRunning uint64
// Number of processes currently blocked (waiting for IO).
ProcessesBlocked uint64
// Number of times a softirq was scheduled.
SoftIRQTotal uint64
// Detailed softirq statistics.
SoftIRQ SoftIRQStat
}
// NewStat returns kernel/system statistics read from /proc/stat.
// Parse a cpu statistics line and returns the CPUStat struct plus the cpu id (or -1 for the overall sum).
func parseCPUStat(line string) (CPUStat, int64, error) {
cpuStat := CPUStat{}
var cpu string
count, err := fmt.Sscanf(line, "%s %f %f %f %f %f %f %f %f %f %f",
&cpu,
&cpuStat.User, &cpuStat.Nice, &cpuStat.System, &cpuStat.Idle,
&cpuStat.Iowait, &cpuStat.IRQ, &cpuStat.SoftIRQ, &cpuStat.Steal,
&cpuStat.Guest, &cpuStat.GuestNice)
if err != nil && err != io.EOF {
return CPUStat{}, -1, fmt.Errorf("couldn't parse %s (cpu): %s", line, err)
}
if count == 0 {
return CPUStat{}, -1, fmt.Errorf("couldn't parse %s (cpu): 0 elements parsed", line)
}
cpuStat.User /= userHZ
cpuStat.Nice /= userHZ
cpuStat.System /= userHZ
cpuStat.Idle /= userHZ
cpuStat.Iowait /= userHZ
cpuStat.IRQ /= userHZ
cpuStat.SoftIRQ /= userHZ
cpuStat.Steal /= userHZ
cpuStat.Guest /= userHZ
cpuStat.GuestNice /= userHZ
if cpu == "cpu" {
return cpuStat, -1, nil
}
cpuID, err := strconv.ParseInt(cpu[3:], 10, 64)
if err != nil {
return CPUStat{}, -1, fmt.Errorf("couldn't parse %s (cpu/cpuid): %s", line, err)
}
return cpuStat, cpuID, nil
}
// Parse a softirq line.
func parseSoftIRQStat(line string) (SoftIRQStat, uint64, error) {
softIRQStat := SoftIRQStat{}
var total uint64
var prefix string
_, err := fmt.Sscanf(line, "%s %d %d %d %d %d %d %d %d %d %d %d",
&prefix, &total,
&softIRQStat.Hi, &softIRQStat.Timer, &softIRQStat.NetTx, &softIRQStat.NetRx,
&softIRQStat.Block, &softIRQStat.BlockIoPoll,
&softIRQStat.Tasklet, &softIRQStat.Sched,
&softIRQStat.Hrtimer, &softIRQStat.Rcu)
if err != nil {
return SoftIRQStat{}, 0, fmt.Errorf("couldn't parse %s (softirq): %s", line, err)
}
return softIRQStat, total, nil
}
// NewStat returns information about current cpu/process statistics.
// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt
//
// Deprecated: use fs.Stat() instead
func NewStat() (Stat, error) {
fs, err := NewFS(DefaultMountPoint)
fs, err := NewFS(fs.DefaultProcMountPoint)
if err != nil {
return Stat{}, err
}
return fs.NewStat()
return fs.Stat()
}
// NewStat returns an information about current kernel/system statistics.
// NewStat returns information about current cpu/process statistics.
// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt
//
// Deprecated: use fs.Stat() instead
func (fs FS) NewStat() (Stat, error) {
f, err := os.Open(fs.Path("stat"))
return fs.Stat()
}
// Stat returns information about current cpu/process statistics.
// See https://www.kernel.org/doc/Documentation/filesystems/proc.txt
func (fs FS) Stat() (Stat, error) {
f, err := os.Open(fs.proc.Path("stat"))
if err != nil {
return Stat{}, err
}
defer f.Close()
s := bufio.NewScanner(f)
for s.Scan() {
line := s.Text()
if !strings.HasPrefix(line, "btime") {
stat := Stat{}
scanner := bufio.NewScanner(f)
for scanner.Scan() {
line := scanner.Text()
parts := strings.Fields(scanner.Text())
// require at least <key> <value>
if len(parts) < 2 {
continue
}
fields := strings.Fields(line)
if len(fields) != 2 {
return Stat{}, fmt.Errorf("couldn't parse %s line %s", f.Name(), line)
switch {
case parts[0] == "btime":
if stat.BootTime, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %s (btime): %s", parts[1], err)
}
case parts[0] == "intr":
if stat.IRQTotal, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %s (intr): %s", parts[1], err)
}
numberedIRQs := parts[2:]
stat.IRQ = make([]uint64, len(numberedIRQs))
for i, count := range numberedIRQs {
if stat.IRQ[i], err = strconv.ParseUint(count, 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %s (intr%d): %s", count, i, err)
}
}
case parts[0] == "ctxt":
if stat.ContextSwitches, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %s (ctxt): %s", parts[1], err)
}
case parts[0] == "processes":
if stat.ProcessCreated, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %s (processes): %s", parts[1], err)
}
case parts[0] == "procs_running":
if stat.ProcessesRunning, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %s (procs_running): %s", parts[1], err)
}
case parts[0] == "procs_blocked":
if stat.ProcessesBlocked, err = strconv.ParseUint(parts[1], 10, 64); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %s (procs_blocked): %s", parts[1], err)
}
case parts[0] == "softirq":
softIRQStats, total, err := parseSoftIRQStat(line)
if err != nil {
return Stat{}, err
}
stat.SoftIRQTotal = total
stat.SoftIRQ = softIRQStats
case strings.HasPrefix(parts[0], "cpu"):
cpuStat, cpuID, err := parseCPUStat(line)
if err != nil {
return Stat{}, err
}
if cpuID == -1 {
stat.CPUTotal = cpuStat
} else {
for int64(len(stat.CPU)) <= cpuID {
stat.CPU = append(stat.CPU, CPUStat{})
}
stat.CPU[cpuID] = cpuStat
}
}
i, err := strconv.ParseInt(fields[1], 10, 32)
if err != nil {
return Stat{}, fmt.Errorf("couldn't parse %s: %s", fields[1], err)
}
return Stat{BootTime: i}, nil
}
if err := s.Err(); err != nil {
if err := scanner.Err(); err != nil {
return Stat{}, fmt.Errorf("couldn't parse %s: %s", f.Name(), err)
}
return Stat{}, fmt.Errorf("couldn't parse %s, missing btime", f.Name())
return stat, nil
}

187
vendor/github.com/prometheus/procfs/xfrm.go generated vendored Normal file
View file

@ -0,0 +1,187 @@
// Copyright 2017 Prometheus Team
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package procfs
import (
"bufio"
"fmt"
"os"
"strconv"
"strings"
)
// XfrmStat models the contents of /proc/net/xfrm_stat.
type XfrmStat struct {
// All errors which are not matched by other
XfrmInError int
// No buffer is left
XfrmInBufferError int
// Header Error
XfrmInHdrError int
// No state found
// i.e. either inbound SPI, address, or IPSEC protocol at SA is wrong
XfrmInNoStates int
// Transformation protocol specific error
// e.g. SA Key is wrong
XfrmInStateProtoError int
// Transformation mode specific error
XfrmInStateModeError int
// Sequence error
// e.g. sequence number is out of window
XfrmInStateSeqError int
// State is expired
XfrmInStateExpired int
// State has mismatch option
// e.g. UDP encapsulation type is mismatched
XfrmInStateMismatch int
// State is invalid
XfrmInStateInvalid int
// No matching template for states
// e.g. Inbound SAs are correct but SP rule is wrong
XfrmInTmplMismatch int
// No policy is found for states
// e.g. Inbound SAs are correct but no SP is found
XfrmInNoPols int
// Policy discards
XfrmInPolBlock int
// Policy error
XfrmInPolError int
// All errors which are not matched by others
XfrmOutError int
// Bundle generation error
XfrmOutBundleGenError int
// Bundle check error
XfrmOutBundleCheckError int
// No state was found
XfrmOutNoStates int
// Transformation protocol specific error
XfrmOutStateProtoError int
// Transportation mode specific error
XfrmOutStateModeError int
// Sequence error
// i.e sequence number overflow
XfrmOutStateSeqError int
// State is expired
XfrmOutStateExpired int
// Policy discads
XfrmOutPolBlock int
// Policy is dead
XfrmOutPolDead int
// Policy Error
XfrmOutPolError int
XfrmFwdHdrError int
XfrmOutStateInvalid int
XfrmAcquireError int
}
// NewXfrmStat reads the xfrm_stat statistics.
func NewXfrmStat() (XfrmStat, error) {
fs, err := NewFS(DefaultMountPoint)
if err != nil {
return XfrmStat{}, err
}
return fs.NewXfrmStat()
}
// NewXfrmStat reads the xfrm_stat statistics from the 'proc' filesystem.
func (fs FS) NewXfrmStat() (XfrmStat, error) {
file, err := os.Open(fs.proc.Path("net/xfrm_stat"))
if err != nil {
return XfrmStat{}, err
}
defer file.Close()
var (
x = XfrmStat{}
s = bufio.NewScanner(file)
)
for s.Scan() {
fields := strings.Fields(s.Text())
if len(fields) != 2 {
return XfrmStat{}, fmt.Errorf(
"couldn't parse %s line %s", file.Name(), s.Text())
}
name := fields[0]
value, err := strconv.Atoi(fields[1])
if err != nil {
return XfrmStat{}, err
}
switch name {
case "XfrmInError":
x.XfrmInError = value
case "XfrmInBufferError":
x.XfrmInBufferError = value
case "XfrmInHdrError":
x.XfrmInHdrError = value
case "XfrmInNoStates":
x.XfrmInNoStates = value
case "XfrmInStateProtoError":
x.XfrmInStateProtoError = value
case "XfrmInStateModeError":
x.XfrmInStateModeError = value
case "XfrmInStateSeqError":
x.XfrmInStateSeqError = value
case "XfrmInStateExpired":
x.XfrmInStateExpired = value
case "XfrmInStateInvalid":
x.XfrmInStateInvalid = value
case "XfrmInTmplMismatch":
x.XfrmInTmplMismatch = value
case "XfrmInNoPols":
x.XfrmInNoPols = value
case "XfrmInPolBlock":
x.XfrmInPolBlock = value
case "XfrmInPolError":
x.XfrmInPolError = value
case "XfrmOutError":
x.XfrmOutError = value
case "XfrmInStateMismatch":
x.XfrmInStateMismatch = value
case "XfrmOutBundleGenError":
x.XfrmOutBundleGenError = value
case "XfrmOutBundleCheckError":
x.XfrmOutBundleCheckError = value
case "XfrmOutNoStates":
x.XfrmOutNoStates = value
case "XfrmOutStateProtoError":
x.XfrmOutStateProtoError = value
case "XfrmOutStateModeError":
x.XfrmOutStateModeError = value
case "XfrmOutStateSeqError":
x.XfrmOutStateSeqError = value
case "XfrmOutStateExpired":
x.XfrmOutStateExpired = value
case "XfrmOutPolBlock":
x.XfrmOutPolBlock = value
case "XfrmOutPolDead":
x.XfrmOutPolDead = value
case "XfrmOutPolError":
x.XfrmOutPolError = value
case "XfrmFwdHdrError":
x.XfrmFwdHdrError = value
case "XfrmOutStateInvalid":
x.XfrmOutStateInvalid = value
case "XfrmAcquireError":
x.XfrmAcquireError = value
}
}
return x, s.Err()
}

361
vendor/github.com/prometheus/procfs/xfs/parse.go generated vendored
View file

@ -1,361 +0,0 @@
// Copyright 2017 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package xfs
import (
"bufio"
"fmt"
"io"
"log"
"strconv"
"strings"
)
// ParseStats parses a Stats from an input io.Reader, using the format
// found in /proc/fs/xfs/stat.
func ParseStats(r io.Reader) (*Stats, error) {
const (
// Fields parsed into stats structures.
fieldExtentAlloc = "extent_alloc"
fieldAbt = "abt"
fieldBlkMap = "blk_map"
fieldBmbt = "bmbt"
fieldDir = "dir"
fieldTrans = "trans"
fieldIg = "ig"
fieldLog = "log"
fieldRw = "rw"
fieldAttr = "attr"
fieldIcluster = "icluster"
fieldVnodes = "vnodes"
fieldBuf = "buf"
fieldXpc = "xpc"
// Unimplemented at this time due to lack of documentation.
fieldPushAil = "push_ail"
fieldXstrat = "xstrat"
fieldAbtb2 = "abtb2"
fieldAbtc2 = "abtc2"
fieldBmbt2 = "bmbt2"
fieldIbt2 = "ibt2"
fieldFibt2 = "fibt2"
fieldQm = "qm"
fieldDebug = "debug"
)
var xfss Stats
s := bufio.NewScanner(r)
for s.Scan() {
// Expect at least a string label and a single integer value, ex:
// - abt 0
// - rw 1 2
ss := strings.Fields(string(s.Bytes()))
if len(ss) < 2 {
continue
}
label := ss[0]
// Extended precision counters are uint64 values.
if label == fieldXpc {
us, err := parseUint64s(ss[1:])
if err != nil {
return nil, err
}
xfss.ExtendedPrecision, err = extendedPrecisionStats(us)
if err != nil {
return nil, err
}
continue
}
// All other counters are uint32 values.
us, err := parseUint32s(ss[1:])
if err != nil {
return nil, err
}
switch label {
case fieldExtentAlloc:
xfss.ExtentAllocation, err = extentAllocationStats(us)
case fieldAbt:
xfss.AllocationBTree, err = btreeStats(us)
case fieldBlkMap:
xfss.BlockMapping, err = blockMappingStats(us)
case fieldBmbt:
xfss.BlockMapBTree, err = btreeStats(us)
case fieldDir:
xfss.DirectoryOperation, err = directoryOperationStats(us)
case fieldTrans:
xfss.Transaction, err = transactionStats(us)
case fieldIg:
xfss.InodeOperation, err = inodeOperationStats(us)
case fieldLog:
xfss.LogOperation, err = logOperationStats(us)
case fieldRw:
xfss.ReadWrite, err = readWriteStats(us)
case fieldAttr:
xfss.AttributeOperation, err = attributeOperationStats(us)
case fieldIcluster:
xfss.InodeClustering, err = inodeClusteringStats(us)
case fieldVnodes:
xfss.Vnode, err = vnodeStats(us)
case fieldBuf:
xfss.Buffer, err = bufferStats(us)
}
if err != nil {
return nil, err
}
}
return &xfss, s.Err()
}
// extentAllocationStats builds an ExtentAllocationStats from a slice of uint32s.
func extentAllocationStats(us []uint32) (ExtentAllocationStats, error) {
if l := len(us); l != 4 {
return ExtentAllocationStats{}, fmt.Errorf("incorrect number of values for XFS extent allocation stats: %d", l)
}
return ExtentAllocationStats{
ExtentsAllocated: us[0],
BlocksAllocated: us[1],
ExtentsFreed: us[2],
BlocksFreed: us[3],
}, nil
}
// btreeStats builds a BTreeStats from a slice of uint32s.
func btreeStats(us []uint32) (BTreeStats, error) {
if l := len(us); l != 4 {
return BTreeStats{}, fmt.Errorf("incorrect number of values for XFS btree stats: %d", l)
}
return BTreeStats{
Lookups: us[0],
Compares: us[1],
RecordsInserted: us[2],
RecordsDeleted: us[3],
}, nil
}
// BlockMappingStat builds a BlockMappingStats from a slice of uint32s.
func blockMappingStats(us []uint32) (BlockMappingStats, error) {
if l := len(us); l != 7 {
return BlockMappingStats{}, fmt.Errorf("incorrect number of values for XFS block mapping stats: %d", l)
}
return BlockMappingStats{
Reads: us[0],
Writes: us[1],
Unmaps: us[2],
ExtentListInsertions: us[3],
ExtentListDeletions: us[4],
ExtentListLookups: us[5],
ExtentListCompares: us[6],
}, nil
}
// DirectoryOperationStats builds a DirectoryOperationStats from a slice of uint32s.
func directoryOperationStats(us []uint32) (DirectoryOperationStats, error) {
if l := len(us); l != 4 {
return DirectoryOperationStats{}, fmt.Errorf("incorrect number of values for XFS directory operation stats: %d", l)
}
return DirectoryOperationStats{
Lookups: us[0],
Creates: us[1],
Removes: us[2],
Getdents: us[3],
}, nil
}
// TransactionStats builds a TransactionStats from a slice of uint32s.
func transactionStats(us []uint32) (TransactionStats, error) {
if l := len(us); l != 3 {
return TransactionStats{}, fmt.Errorf("incorrect number of values for XFS transaction stats: %d", l)
}
return TransactionStats{
Sync: us[0],
Async: us[1],
Empty: us[2],
}, nil
}
// InodeOperationStats builds an InodeOperationStats from a slice of uint32s.
func inodeOperationStats(us []uint32) (InodeOperationStats, error) {
if l := len(us); l != 7 {
return InodeOperationStats{}, fmt.Errorf("incorrect number of values for XFS inode operation stats: %d", l)
}
return InodeOperationStats{
Attempts: us[0],
Found: us[1],
Recycle: us[2],
Missed: us[3],
Duplicate: us[4],
Reclaims: us[5],
AttributeChange: us[6],
}, nil
}
// LogOperationStats builds a LogOperationStats from a slice of uint32s.
func logOperationStats(us []uint32) (LogOperationStats, error) {
if l := len(us); l != 5 {
return LogOperationStats{}, fmt.Errorf("incorrect number of values for XFS log operation stats: %d", l)
}
return LogOperationStats{
Writes: us[0],
Blocks: us[1],
NoInternalBuffers: us[2],
Force: us[3],
ForceSleep: us[4],
}, nil
}
// ReadWriteStats builds a ReadWriteStats from a slice of uint32s.
func readWriteStats(us []uint32) (ReadWriteStats, error) {
if l := len(us); l != 2 {
return ReadWriteStats{}, fmt.Errorf("incorrect number of values for XFS read write stats: %d", l)
}
return ReadWriteStats{
Read: us[0],
Write: us[1],
}, nil
}
// AttributeOperationStats builds an AttributeOperationStats from a slice of uint32s.
func attributeOperationStats(us []uint32) (AttributeOperationStats, error) {
if l := len(us); l != 4 {
return AttributeOperationStats{}, fmt.Errorf("incorrect number of values for XFS attribute operation stats: %d", l)
}
return AttributeOperationStats{
Get: us[0],
Set: us[1],
Remove: us[2],
List: us[3],
}, nil
}
// InodeClusteringStats builds an InodeClusteringStats from a slice of uint32s.
func inodeClusteringStats(us []uint32) (InodeClusteringStats, error) {
if l := len(us); l != 3 {
return InodeClusteringStats{}, fmt.Errorf("incorrect number of values for XFS inode clustering stats: %d", l)
}
return InodeClusteringStats{
Iflush: us[0],
Flush: us[1],
FlushInode: us[2],
}, nil
}
// VnodeStats builds a VnodeStats from a slice of uint32s.
func vnodeStats(us []uint32) (VnodeStats, error) {
// The attribute "Free" appears to not be available on older XFS
// stats versions. Therefore, 7 or 8 elements may appear in
// this slice.
l := len(us)
log.Println(l)
if l != 7 && l != 8 {
return VnodeStats{}, fmt.Errorf("incorrect number of values for XFS vnode stats: %d", l)
}
s := VnodeStats{
Active: us[0],
Allocate: us[1],
Get: us[2],
Hold: us[3],
Release: us[4],
Reclaim: us[5],
Remove: us[6],
}
// Skip adding free, unless it is present. The zero value will
// be used in place of an actual count.
if l == 7 {
return s, nil
}
s.Free = us[7]
return s, nil
}
// BufferStats builds a BufferStats from a slice of uint32s.
func bufferStats(us []uint32) (BufferStats, error) {
if l := len(us); l != 9 {
return BufferStats{}, fmt.Errorf("incorrect number of values for XFS buffer stats: %d", l)
}
return BufferStats{
Get: us[0],
Create: us[1],
GetLocked: us[2],
GetLockedWaited: us[3],
BusyLocked: us[4],
MissLocked: us[5],
PageRetries: us[6],
PageFound: us[7],
GetRead: us[8],
}, nil
}
// ExtendedPrecisionStats builds an ExtendedPrecisionStats from a slice of uint32s.
func extendedPrecisionStats(us []uint64) (ExtendedPrecisionStats, error) {
if l := len(us); l != 3 {
return ExtendedPrecisionStats{}, fmt.Errorf("incorrect number of values for XFS extended precision stats: %d", l)
}
return ExtendedPrecisionStats{
FlushBytes: us[0],
WriteBytes: us[1],
ReadBytes: us[2],
}, nil
}
// parseUint32s parses a slice of strings into a slice of uint32s.
func parseUint32s(ss []string) ([]uint32, error) {
us := make([]uint32, 0, len(ss))
for _, s := range ss {
u, err := strconv.ParseUint(s, 10, 32)
if err != nil {
return nil, err
}
us = append(us, uint32(u))
}
return us, nil
}
// parseUint64s parses a slice of strings into a slice of uint64s.
func parseUint64s(ss []string) ([]uint64, error) {
us := make([]uint64, 0, len(ss))
for _, s := range ss {
u, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return nil, err
}
us = append(us, u)
}
return us, nil
}

158
vendor/github.com/prometheus/procfs/xfs/xfs.go generated vendored
View file

@ -1,158 +0,0 @@
// Copyright 2017 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package xfs provides access to statistics exposed by the XFS filesystem.
package xfs
// Stats contains XFS filesystem runtime statistics, parsed from
// /proc/fs/xfs/stat.
//
// The names and meanings of each statistic were taken from
// http://xfs.org/index.php/Runtime_Stats and xfs_stats.h in the Linux
// kernel source. Most counters are uint32s (same data types used in
// xfs_stats.h), but some of the "extended precision stats" are uint64s.
type Stats struct {
ExtentAllocation ExtentAllocationStats
AllocationBTree BTreeStats
BlockMapping BlockMappingStats
BlockMapBTree BTreeStats
DirectoryOperation DirectoryOperationStats
Transaction TransactionStats
InodeOperation InodeOperationStats
LogOperation LogOperationStats
ReadWrite ReadWriteStats
AttributeOperation AttributeOperationStats
InodeClustering InodeClusteringStats
Vnode VnodeStats
Buffer BufferStats
ExtendedPrecision ExtendedPrecisionStats
}
// ExtentAllocationStats contains statistics regarding XFS extent allocations.
type ExtentAllocationStats struct {
ExtentsAllocated uint32
BlocksAllocated uint32
ExtentsFreed uint32
BlocksFreed uint32
}
// BTreeStats contains statistics regarding an XFS internal B-tree.
type BTreeStats struct {
Lookups uint32
Compares uint32
RecordsInserted uint32
RecordsDeleted uint32
}
// BlockMappingStats contains statistics regarding XFS block maps.
type BlockMappingStats struct {
Reads uint32
Writes uint32
Unmaps uint32
ExtentListInsertions uint32
ExtentListDeletions uint32
ExtentListLookups uint32
ExtentListCompares uint32
}
// DirectoryOperationStats contains statistics regarding XFS directory entries.
type DirectoryOperationStats struct {
Lookups uint32
Creates uint32
Removes uint32
Getdents uint32
}
// TransactionStats contains statistics regarding XFS metadata transactions.
type TransactionStats struct {
Sync uint32
Async uint32
Empty uint32
}
// InodeOperationStats contains statistics regarding XFS inode operations.
type InodeOperationStats struct {
Attempts uint32
Found uint32
Recycle uint32
Missed uint32
Duplicate uint32
Reclaims uint32
AttributeChange uint32
}
// LogOperationStats contains statistics regarding the XFS log buffer.
type LogOperationStats struct {
Writes uint32
Blocks uint32
NoInternalBuffers uint32
Force uint32
ForceSleep uint32
}
// ReadWriteStats contains statistics regarding the number of read and write
// system calls for XFS filesystems.
type ReadWriteStats struct {
Read uint32
Write uint32
}
// AttributeOperationStats contains statistics regarding manipulation of
// XFS extended file attributes.
type AttributeOperationStats struct {
Get uint32
Set uint32
Remove uint32
List uint32
}
// InodeClusteringStats contains statistics regarding XFS inode clustering
// operations.
type InodeClusteringStats struct {
Iflush uint32
Flush uint32
FlushInode uint32
}
// VnodeStats contains statistics regarding XFS vnode operations.
type VnodeStats struct {
Active uint32
Allocate uint32
Get uint32
Hold uint32
Release uint32
Reclaim uint32
Remove uint32
Free uint32
}
// BufferStats contains statistics regarding XFS read/write I/O buffers.
type BufferStats struct {
Get uint32
Create uint32
GetLocked uint32
GetLockedWaited uint32
BusyLocked uint32
MissLocked uint32
PageRetries uint32
PageFound uint32
GetRead uint32
}
// ExtendedPrecisionStats contains high precision counters used to track the
// total number of bytes read, written, or flushed, during XFS operations.
type ExtendedPrecisionStats struct {
FlushBytes uint64
WriteBytes uint64
ReadBytes uint64
}