gin pprof middleware
Package pprof serves via its HTTP server runtime profiling data in the format expected by the pprof visualization tool.
Download and install it:
go get github.com/gin-contrib/pprof
Import it in your code:
import "github.com/gin-contrib/pprof"
package main
import (
"github.com/gin-contrib/pprof"
"github.com/gin-gonic/gin"
)
func main() {
router := gin.Default()
pprof.Register(router)
router.Run(":8080")
} change default path prefix
func main() {
router := gin.Default()
// default is "debug/pprof"
pprof.Register(router, "dev/pprof")
router.Run(":8080")
}
package main
import (
"net/http"
"github.com/gin-contrib/pprof"
"github.com/gin-gonic/gin"
)
func main() {
router := gin.Default()
debugGroup := router.Group("/debug", func(c *gin.Context) {
if c.Request.Header.Get("Authorization") != "foobar" {
c.AbortWithStatus(http.StatusForbidden)
return
}
c.Next()
})
pprof.RouteRegister(debugGroup, "pprof")
router.Run(":8080")
}
Then use the pprof tool to look at the heap profile:
go tool pprof http://localhost:8080/debug/pprof/heap
Or to look at a 30-second CPU profile:
go tool pprof http://localhost:8080/debug/pprof/profile?seconds=30
Or to look at the goroutine blocking profile, after calling runtime.SetBlockProfileRate in your program:
go tool pprof http://localhost:8080/debug/pprof/block
Or to collect a 5-second execution trace:
wget http://localhost:8080/debug/pprof/trace?seconds=5
Download the pprof profile data:
curl -v -H "Authorization: foobar" -o profile.pb.gz \ http://localhost:8080/debug/pprof/profile?seconds=60 go tool pprof -http=:8099 profile.pb.gz
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