You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
1.8 KiB
81 lines
1.8 KiB
package profiler
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"net/http"
|
|
"os"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/harmony-one/harmony/internal/utils"
|
|
"github.com/shirou/gopsutil/process"
|
|
)
|
|
|
|
// Profiler is the profiler data structure.
|
|
type Profiler struct {
|
|
pid int32
|
|
shardID uint32
|
|
MetricsReportURL string
|
|
// Internal
|
|
proc *process.Process
|
|
}
|
|
|
|
var singleton *Profiler
|
|
var once sync.Once
|
|
|
|
// GetProfiler returns a pointer of Profiler.
|
|
// TODO: This should be a New method.
|
|
func GetProfiler() *Profiler {
|
|
once.Do(func() {
|
|
singleton = &Profiler{}
|
|
})
|
|
return singleton
|
|
}
|
|
|
|
// Config configurates Profiler.
|
|
func (profiler *Profiler) Config(shardID uint32, metricsReportURL string) {
|
|
profiler.pid = int32(os.Getpid())
|
|
profiler.shardID = shardID
|
|
profiler.MetricsReportURL = metricsReportURL
|
|
}
|
|
|
|
// LogMemory logs memory.
|
|
func (profiler *Profiler) LogMemory() {
|
|
for {
|
|
// log mem usage
|
|
info, _ := profiler.proc.MemoryInfo()
|
|
memMap, _ := profiler.proc.MemoryMaps(false)
|
|
utils.GetLogInstance().Info("Mem Report", "info", info, "map", memMap, "shardID", profiler.shardID)
|
|
|
|
time.Sleep(3 * time.Second)
|
|
}
|
|
}
|
|
|
|
// LogCPU logs CPU metrics.
|
|
func (profiler *Profiler) LogCPU() {
|
|
for {
|
|
// log cpu usage
|
|
percent, _ := profiler.proc.CPUPercent()
|
|
times, _ := profiler.proc.Times()
|
|
utils.GetLogInstance().Info("CPU Report", "percent", percent, "times", times, "shardID", profiler.shardID)
|
|
|
|
time.Sleep(3 * time.Second)
|
|
}
|
|
}
|
|
|
|
// LogMetrics logs metrics.
|
|
func (profiler *Profiler) LogMetrics(metrics map[string]interface{}) {
|
|
jsonValue, _ := json.Marshal(metrics)
|
|
rsp, err := http.Post(profiler.MetricsReportURL, "application/json", bytes.NewBuffer(jsonValue))
|
|
if err == nil {
|
|
defer rsp.Body.Close()
|
|
}
|
|
}
|
|
|
|
// Start starts profiling.
|
|
func (profiler *Profiler) Start() {
|
|
profiler.proc, _ = process.NewProcess(profiler.pid)
|
|
go profiler.LogCPU()
|
|
go profiler.LogMemory()
|
|
}
|
|
|