.examples
.github
alerting
client
config
controller
core
docs
jsonpath
metrics
pattern
security
storage
test
util
vendor
github.com
TwiN
beorn7
cespare
coreos
go-ping
golang
google
gorilla
kballard
lib
mattn
matttproud
miekg
prometheus
client_golang
client_model
common
procfs
internal
.gitignore
.golangci.yml
CODE_OF_CONDUCT.md
CONTRIBUTING.md
LICENSE
MAINTAINERS.md
Makefile
Makefile.common
NOTICE
README.md
SECURITY.md
arp.go
buddyinfo.go
cmdline.go
cpuinfo.go
cpuinfo_armx.go
cpuinfo_mipsx.go
cpuinfo_others.go
cpuinfo_ppcx.go
cpuinfo_riscvx.go
cpuinfo_s390x.go
cpuinfo_x86.go
crypto.go
doc.go
fixtures.ttar
fs.go
fscache.go
ipvs.go
kernel_random.go
loadavg.go
mdstat.go
meminfo.go
mountinfo.go
mountstats.go
net_conntrackstat.go
net_dev.go
net_ip_socket.go
net_protocols.go
net_sockstat.go
net_softnet.go
net_tcp.go
net_udp.go
net_unix.go
netstat.go
proc.go
proc_cgroup.go
proc_environ.go
proc_fdinfo.go
proc_io.go
proc_limits.go
proc_maps.go
proc_ns.go
proc_psi.go
proc_smaps.go
proc_stat.go
proc_status.go
schedstat.go
slab.go
stat.go
swaps.go
ttar
vm.go
xfrm.go
zoneinfo.go
remyoudompheng
wcharczuk
golang.org
google.golang.org
gopkg.in
lukechampine.com
modernc.org
modules.txt
watchdog
web
.dockerignore
.gitattributes
.gitignore
Dockerfile
LICENSE
Makefile
README.md
config.yaml
go.mod
go.sum
main.go
60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
// Copyright 2018 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package procfs
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import (
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"fmt"
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"github.com/prometheus/procfs/internal/util"
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)
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// ProcIO models the content of /proc/<pid>/io.
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type ProcIO struct {
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// Chars read.
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RChar uint64
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// Chars written.
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WChar uint64
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// Read syscalls.
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SyscR uint64
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// Write syscalls.
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SyscW uint64
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// Bytes read.
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ReadBytes uint64
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// Bytes written.
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WriteBytes uint64
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// Bytes written, but taking into account truncation. See
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// Documentation/filesystems/proc.txt in the kernel sources for
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// detailed explanation.
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CancelledWriteBytes int64
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}
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// IO creates a new ProcIO instance from a given Proc instance.
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func (p Proc) IO() (ProcIO, error) {
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pio := ProcIO{}
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data, err := util.ReadFileNoStat(p.path("io"))
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if err != nil {
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return pio, err
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}
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ioFormat := "rchar: %d\nwchar: %d\nsyscr: %d\nsyscw: %d\n" +
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"read_bytes: %d\nwrite_bytes: %d\n" +
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"cancelled_write_bytes: %d\n"
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_, err = fmt.Sscanf(string(data), ioFormat, &pio.RChar, &pio.WChar, &pio.SyscR,
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&pio.SyscW, &pio.ReadBytes, &pio.WriteBytes, &pio.CancelledWriteBytes)
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return pio, err
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}
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