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Based on the "Miscellaneous" category.
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Countries - ISO-639, ISO-3166 countries codes with subdivisions and names, ISO-4217 currency designators, ITU-T E.164 IDD phone codes, countries capitals, UN M.49 codes, IANA ccTLD countries domains, FIPS, IOC/NOC and FIFA codes, VERY VERY FAST, compatible with Databases/JSON/BSON/GOB/XML/CSV, Emoji countries flags and currencies, Unicode CLDR. -
gountries
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README
gopsutil: psutil for golang
This is a port of psutil (https://github.com/giampaolo/psutil). The challenge is porting all psutil functions on some architectures.
v3 migration
From v3.20.10, gopsutil becomes v3 which breaks backwards compatibility. See [v3Changes.md](_tools/v3migration/v3Changes.md) for more detailed changes.
Tag semantics
gopsutil tag policy is almost same as Semantic Versioning, but automatically increases like Ubuntu versioning.
For example, v2.17.04 means
- v2: major version
- 17: release year, 2017
- 04: release month
gopsutil aims to keep backwards compatibility until major version change.
Tagged at every end of month, but if there are only a few commits, it can be skipped.
Available Architectures
- FreeBSD i386/amd64/arm
- Linux i386/amd64/arm(raspberry pi)
- Windows i386/amd64/arm/arm64
- Darwin amd64/arm64
- OpenBSD amd64 (Thank you @mpfz0r!)
- Solaris amd64 (developed and tested on SmartOS/Illumos, Thank you @jen20!)
These have partial support:
- CPU on DragonFly BSD (#893, Thank you @gballet!)
- host on Linux RISC-V (#896, Thank you @tklauser!)
All works are implemented without cgo by porting C structs to golang structs.
Usage
package main
import (
"fmt"
"github.com/shirou/gopsutil/v3/mem"
// "github.com/shirou/gopsutil/mem" // to use v2
)
func main() {
v, _ := mem.VirtualMemory()
// almost every return value is a struct
fmt.Printf("Total: %v, Free:%v, UsedPercent:%f%%\n", v.Total, v.Free, v.UsedPercent)
// convert to JSON. String() is also implemented
fmt.Println(v)
}
The output is below.
Total: 3179569152, Free:284233728, UsedPercent:84.508194%
{"total":3179569152,"available":492572672,"used":2895335424,"usedPercent":84.50819439828305, (snip...)}
You can set an alternative location to /proc
by setting the HOST_PROC
environment variable.
You can set an alternative location to /sys
by setting the HOST_SYS
environment variable.
You can set an alternative location to /etc
by setting the HOST_ETC
environment variable.
You can set an alternative location to /var
by setting the HOST_VAR
environment variable.
You can set an alternative location to /run
by setting the HOST_RUN
environment variable.
You can set an alternative location to /dev
by setting the HOST_DEV
environment variable.
You can set an alternative location to /proc/N/mountinfo
by setting the
HOST_PROC_MOUNTINFO
environment variable.
Documentation
See https://pkg.go.dev/github.com/shirou/gopsutil/v3 or https://godocs.io/github.com/shirou/gopsutil/v3
Requirements
- go1.16 or above is required.
More Info
Several methods have been added which are not present in psutil, but will provide useful information.
- host/HostInfo() (linux)
- Hostname
- Uptime
- Procs
- OS (ex: "linux")
- Platform (ex: "ubuntu", "arch")
- PlatformFamily (ex: "debian")
- PlatformVersion (ex: "Ubuntu 13.10")
- VirtualizationSystem (ex: "LXC")
- VirtualizationRole (ex: "guest"/"host")
- IOCounters
- Label (linux only) The registered device mapper name
- cpu/CPUInfo() (linux, freebsd)
- CPU (ex: 0, 1, ...)
- VendorID (ex: "GenuineIntel")
- Family
- Model
- Stepping
- PhysicalID
- CoreID
- Cores (ex: 2)
- ModelName (ex: "Intel(R) Core(TM) i7-2640M CPU @ 2.80GHz")
- Mhz
- CacheSize
- Flags (ex: "fpu vme de pse tsc msr pae mce cx8 ...")
- Microcode
- load/Avg() (linux, freebsd, solaris)
- Load1
- Load5
- Load15
- docker/GetDockerIDList() (linux only)
- container id list ([]string)
- docker/CgroupCPU() (linux only)
- user
- system
- docker/CgroupMem() (linux only)
- various status
- net_protocols (linux only)
- system wide stats on network protocols (i.e IP, TCP, UDP, etc.)
- sourced from /proc/net/snmp
- iptables nf_conntrack (linux only)
- system wide stats on netfilter conntrack module
- sourced from /proc/sys/net/netfilter/nf_conntrack_count
Some code is ported from Ohai. many thanks.
Current Status
- x: works
- b: almost works, but something is broken
name | Linux | FreeBSD | OpenBSD | macOS | Windows | Solaris | Plan 9 |
---|---|---|---|---|---|---|---|
cpu_times | x | x | x | x | x | b | |
cpu_count | x | x | x | x | x | x | |
cpu_percent | x | x | x | x | x | ||
cpu_times_percent | x | x | x | x | x | ||
virtual_memory | x | x | x | x | x | b | x |
swap_memory | x | x | x | x | x | ||
disk_partitions | x | x | x | x | x | ||
disk_io_counters | x | x | x | ||||
disk_usage | x | x | x | x | x | ||
net_io_counters | x | x | x | b | x | ||
boot_time | x | x | x | x | x | ||
users | x | x | x | x | x | ||
pids | x | x | x | x | x | ||
pid_exists | x | x | x | x | x | ||
net_connections | x | x | x | ||||
net_protocols | x | ||||||
net_if_addrs | |||||||
net_if_stats | |||||||
netfilter_conntrack | x |
Process class
name | Linux | FreeBSD | OpenBSD | macOS | Windows |
---|---|---|---|---|---|
pid | x | x | x | x | x |
ppid | x | x | x | x | x |
name | x | x | x | x | x |
cmdline | x | x | x | x | |
create_time | x | x | x | ||
status | x | x | x | x | |
cwd | x | x | |||
exe | x | x | x | x | |
uids | x | x | x | x | |
gids | x | x | x | x | |
terminal | x | x | x | ||
io_counters | x | x | x | x | |
nice | x | x | x | x | x |
num_fds | x | ||||
num_ctx_switches | x | ||||
num_threads | x | x | x | x | x |
cpu_times | x | x | |||
memory_info | x | x | x | x | x |
memory_info_ex | x | ||||
memory_maps | x | ||||
open_files | x | ||||
send_signal | x | x | x | x | |
suspend | x | x | x | x | |
resume | x | x | x | x | |
terminate | x | x | x | x | x |
kill | x | x | x | x | |
username | x | x | x | x | x |
ionice | |||||
rlimit | x | ||||
num_handlers | |||||
threads | x | ||||
cpu_percent | x | x | x | ||
cpu_affinity | |||||
memory_percent | |||||
parent | x | x | x | x | |
children | x | x | x | x | x |
connections | x | x | x | ||
is_running | |||||
page_faults | x |
Original Metrics
item | Linux | FreeBSD | OpenBSD | macOS | Windows | Solaris |
---|---|---|---|---|---|---|
HostInfo | ||||||
hostname | x | x | x | x | x | x |
uptime | x | x | x | x | x | |
process | x | x | x | x | ||
os | x | x | x | x | x | x |
platform | x | x | x | x | x | |
platformfamily | x | x | x | x | x | |
virtualization | x | |||||
CPU | ||||||
VendorID | x | x | x | x | x | x |
Family | x | x | x | x | x | x |
Model | x | x | x | x | x | x |
Stepping | x | x | x | x | x | x |
PhysicalID | x | x | ||||
CoreID | x | x | ||||
Cores | x | x | x | |||
ModelName | x | x | x | x | x | x |
Microcode | x | x | ||||
LoadAvg | ||||||
Load1 | x | x | x | x | ||
Load5 | x | x | x | x | ||
Load15 | x | x | x | x | ||
GetDockerID | ||||||
container id | x | no | no | no | no | |
CgroupsCPU | ||||||
user | x | no | no | no | no | |
system | x | no | no | no | no | |
CgroupsMem | ||||||
various | x | no | no | no | no |
- future work
- process_iter
- wait_procs
- Process class
- as_dict
- wait
License
New BSD License (same as psutil)
Related Works
I have been influenced by the following great works:
- psutil: https://github.com/giampaolo/psutil
- dstat: https://github.com/dagwieers/dstat
- gosigar: https://github.com/cloudfoundry/gosigar/
- goprocinfo: https://github.com/c9s/goprocinfo
- go-ps: https://github.com/mitchellh/go-ps
- ohai: https://github.com/opscode/ohai/
- bosun: https://github.com/bosun-monitor/bosun/tree/master/cmd/scollector/collectors
- mackerel: https://github.com/mackerelio/mackerel-agent/tree/master/metrics
How to Contribute
- Fork it
- Create your feature branch (git checkout -b my-new-feature)
- Commit your changes (git commit -am 'Add some feature')
- Push to the branch (git push origin my-new-feature)
- Create new Pull Request
English is not my native language, so PRs correcting grammar or spelling are welcome and appreciated.
*Note that all licence references and agreements mentioned in the gopsutil README section above
are relevant to that project's source code only.