Por ejemplo, podrías añadir un custom header `X-Process-Time` que contenga el tiempo en segundos que tomó procesar la request y generar una response:

{* ../../docs_src/middleware/tutorial001_py310.py hl[10,12:13] *}

/// tip | Consejo

Aquí usamos [`time.perf_counter()`](https://docs.python.org/3/library/time.html#time.perf_counter) en lugar de `time.time()` porque puede ser más preciso para estos casos de uso. 🤓

///

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.opensearch.log.exentity;

import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Map;

import org.codelibs.fess.entity.SearchLogEvent;
import org.codelibs.fess.opensearch.log.bsentity.BsClickLog;

/**

import (
	"context"
	"net"
	"net/http"
	"net/http/httptest"
	"testing"
	"time"

	"github.com/minio/minio/internal/logger/target/testlogger"
)

func TestDisconnect(t *testing.T) {
	defer testlogger.T.SetLogTB(t)()
	defer timeout(10 * time.Second)()
	hosts, listeners, _ := getHosts(2)
	dialer := &net.Dialer{
		Timeout: 1 * time.Second,
	}
	errFatal := func(err error) {
		t.Helper()
		if err != nil {

			tm, err := time.Parse(time.RFC3339Nano, string(val))
			if err == nil {
				j.DeleteMarker.MetaSys[ReservedMetadataPrefixLower+ReplicationTimestamp] = []byte(tm.UTC().Format(time.RFC3339Nano))
			}
		}
		if val, ok := j.DeleteMarker.MetaSys[ReservedMetadataPrefixLower+ReplicaTimestamp]; ok {
			tm, err := time.Parse(time.RFC3339Nano, string(val))
			if err == nil {

	ReplicationRequest                  bool      // true only if replication request
	ReplicationSourceTaggingTimestamp   time.Time // set if MinIOSourceTaggingTimestamp received
	ReplicationSourceLegalholdTimestamp time.Time // set if MinIOSourceObjectLegalholdTimestamp received
	ReplicationSourceRetentionTimestamp time.Time // set if MinIOSourceObjectRetentionTimestamp received

func (*common) OnBothTandBPtr() {}
func (common) OnBothTandBVal()  {}

type EmbedSelector struct {
	Time
}

const (
	foo          = "foo"
	foo2  string = "foo2"
	truth        = foo == "foo" || foo2 == "foo2"
)

func ellipsis(...string) {}

func Now() Time {
	var now Time
	return now
}

var x = &S{
	Public:     nil,
	private:    nil,
	PublicTime: Now(),
}

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.service;

import java.nio.charset.StandardCharsets;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.format.DateTimeFormatter;
import java.util.Base64;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

	case bool:
		_, ok = b.value.(bool)
	case string:
		_, ok = b.value.(string)
	case int64:
		_, ok = b.value.(int64)
	case float64:
		_, ok = b.value.(float64)
	case time.Time:
		_, ok = b.value.(time.Time)
	case []byte:
		_, ok = b.value.([]byte)
	case []Value:
		_, ok = b.value.([]Value)
	default:
		ok = reflect.TypeOf(v.value) == reflect.TypeOf(b.value)
	}
	return ok
}

				Level:   ErrorKind,
				Message: msg,
				Time:    time.Now().UTC(),
				Trace:   &log.Trace{Message: msg},
			})
		}
		if err := w.rotate(); err != nil {
			msg := fmt.Sprintf("unable to rotate log file %v: %v", w.f.Name(), err)
			stdErrEnc.Encode(&log.Entry{
				Level:   ErrorKind,
				Message: msg,
				Time:    time.Now().UTC(),
				Trace:   &log.Trace{Message: msg},
			})
		}
	}

	local := strings.TrimPrefix(strings.TrimPrefix(t.Local, httpsScheme), httpScheme)
	remote := strings.TrimPrefix(strings.TrimPrefix(t.Remote, httpsScheme), httpScheme)

	start := time.Now()
	body := bytesOrLength(req)
	resp, err := c.roundtrip(h, req)
	end := time.Now()
	status := http.StatusOK
	errString := ""
	if err != nil {
		errString = err.Error()
		if IsRemoteErr(err) == nil {
			status = http.StatusInternalServerError