From 69c1c4b978cc1f7d1e3d8eab2ac3cc3f8f16296d Mon Sep 17 00:00:00 2001
From: Jay Yu <103467857+jayy04@users.noreply.github.com>
Date: Tue, 7 May 2024 11:03:57 -0400
Subject: [PATCH] add lag metrics

---
 protocol/app/app.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/protocol/app/app.go b/protocol/app/app.go
index 990235763b9..0264bfe0ddf 100644
--- a/protocol/app/app.go
+++ b/protocol/app/app.go
@@ -46,6 +46,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/server/api"
 	"github.com/cosmos/cosmos-sdk/server/config"
 	servertypes "github.com/cosmos/cosmos-sdk/server/types"
+	"github.com/cosmos/cosmos-sdk/telemetry"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/module"
 	"github.com/cosmos/cosmos-sdk/version"
@@ -1493,6 +1494,8 @@ func (app *App) BeginBlocker(ctx sdk.Context) (sdk.BeginBlock, error) {
 
 // EndBlocker application updates every end block
 func (app *App) EndBlocker(ctx sdk.Context) (sdk.EndBlock, error) {
+	defer telemetry.MeasureSince(ctx.BlockTime(), "end_blocker_lag")
+
 	ctx = ctx.WithExecMode(lib.ExecModeEndBlock)
 
 	// Reset the logger for middleware.