frostfs-node/cmd/frostfs-ir/pprof.go
Dmitrii Stepanov d433b49265
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[#973] node: Resolve perfsprint linter
`fmt.Errorf can be replaced with errors.New` and `fmt.Sprintf can be replaced with string addition`

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
2024-03-11 17:55:50 +03:00

67 lines
1.4 KiB
Go

package main
import (
"runtime"
"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
httputil "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/http"
"go.uber.org/zap"
)
type pprofComponent struct {
httpComponent
blockRate int
mutexRate int
}
const (
pprofBlockRateKey = "pprof.block_rate"
pprofMutexRateKey = "pprof.mutex_rate"
)
func newPprofComponent() *pprofComponent {
return &pprofComponent{
httpComponent: httpComponent{
name: "pprof",
handler: httputil.Handler(),
},
}
}
func (c *pprofComponent) init() {
c.httpComponent.init()
if c.enabled {
c.blockRate = cfg.GetInt(pprofBlockRateKey)
c.mutexRate = cfg.GetInt(pprofMutexRateKey)
runtime.SetBlockProfileRate(c.blockRate)
runtime.SetMutexProfileFraction(c.mutexRate)
} else {
c.blockRate = 0
c.mutexRate = 0
runtime.SetBlockProfileRate(0)
runtime.SetMutexProfileFraction(0)
}
}
func (c *pprofComponent) needReload() bool {
blockRate := cfg.GetInt(pprofBlockRateKey)
mutexRate := cfg.GetInt(pprofMutexRateKey)
return c.httpComponent.needReload() ||
c.enabled && (c.blockRate != blockRate || c.mutexRate != mutexRate)
}
func (c *pprofComponent) reload() {
log.Info("reload " + c.name)
if c.needReload() {
log.Info(c.name + " config updated")
if err := c.shutdown(); err != nil {
log.Debug(logs.FrostFSIRCouldNotShutdownHTTPServer,
zap.String("error", err.Error()))
return
}
c.init()
c.start()
}
}