fukata / Golang Stats Api Handler
Licence: apache-2.0
Golang cpu, memory, gc, etc information api handler.
Stars: ✭ 247
Programming Languages
go
31211 projects - #10 most used programming language
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golang-stats-api-handler
Golang cpu, memory, gc, etc information api handler.
Install
go get github.com/fukata/golang-stats-api-handler
Example
import (
"net/http"
"log"
"github.com/fukata/golang-stats-api-handler"
)
func main() {
http.HandleFunc("/api/stats", stats_api.Handler)
log.Fatal( http.ListenAndServe(":8080", nil) )
}
Response
$ curl -i http://localhost:8080/api/stats/
HTTP/1.1 200 OK
Content-Length: 712
Content-Type: application/json
Date: Sun, 23 Aug 2015 16:52:13 GMT
{
"time": 1440348733548339479,
"go_version": "go1.5",
"go_os": "darwin",
"go_arch": "amd64",
"cpu_num": 8,
"goroutine_num": 24,
"gomaxprocs": 8,
"cgo_call_num": 9,
"memory_alloc": 3974536,
"memory_total_alloc": 12857888,
"memory_sys": 12871928,
"memory_lookups": 52,
"memory_mallocs": 144922,
"memory_frees": 118936,
"memory_stack": 688128,
"heap_alloc": 3974536,
"heap_sys": 8028160,
"heap_idle": 2170880,
"heap_inuse": 5857280,
"heap_released": 0,
"heap_objects": 25986,
"gc_next": 4833706,
"gc_last": 1440348732827834419,
"gc_num": 4,
"gc_per_second": 0,
"gc_pause_per_second": 0,
"gc_pause": [
0.196828,
2.027442,
0.181887,
0.312866
]
}
| Key | Value |
|---|---|
| time | unix timestamp as nano-seconds |
| go_version | runtime.Version() |
| go_os | runtime.GOOS |
| go_arch | runtime.GOARCH |
| cpu_num | number of CPUs |
| goroutine_num | number of goroutines |
| gomaxprocs | runtime.GOMAXRPOCS(0) |
| cgo_call_num | runtime.NumCgoCall() |
| memory_alloc | bytes allocated and not yet freed |
| memory_total_alloc | bytes allocated (even if freed) |
| memory_sys | bytes obtained from system |
| memory_lookups | number of pointer lookups |
| memory_mallocs | number of mallocs |
| memory_frees | number of frees |
| memory_stack | bytes used by stack allocator |
| heap_alloc | bytes allocated and not yet freed (same as memory_alloc above) |
| heap_sys | bytes obtained from system (not same as memory_sys) |
| heap_idle | bytes in idle spans |
| heap_inuse | bytes in non-idle span |
| heap_released | bytes released to the OS |
| heap_objects | total number of allocated objects |
| gc_next | next collection will happen when HeapAlloc ≥ this amount |
| gc_last | end time of last collection |
| gc_num | number of GC-run |
| gc_per_second | number of GC-run per second |
| gc_pause_per_second | pause duration by GC per seconds |
| gc_pause | pause durations by GC |
Plugins
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