From 7908675264d7d11672c3e47b4feaee2376835ee3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Lecour?= <jeremy.lecour@gmail.com>
Date: Fri, 4 Oct 2013 09:18:04 +0200
Subject: [PATCH 1/2] Add a "latency" stat in the dashboard

---
 lib/sidekiq/web.rb | 2 ++
 test/test_web.rb   | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/lib/sidekiq/web.rb b/lib/sidekiq/web.rb
index 20807830..f8e008c8 100644
--- a/lib/sidekiq/web.rb
+++ b/lib/sidekiq/web.rb
@@ -315,6 +315,7 @@ module Sidekiq
 
     get '/dashboard/stats' do
       sidekiq_stats = Sidekiq::Stats.new
+      queue         = Sidekiq::Queue.new
       redis_stats   = Sidekiq.redis { |conn| conn.info }.select{ |k, v| redis_keys.include? k }
 
       content_type :json
@@ -326,6 +327,7 @@ module Sidekiq
           enqueued:   sidekiq_stats.enqueued,
           scheduled:  sidekiq_stats.scheduled_size,
           retries:    sidekiq_stats.retry_size,
+          latency:    queue.latency,
         },
         redis: redis_stats
       })
diff --git a/test/test_web.rb b/test/test_web.rb
index b7038e19..014f2e62 100644
--- a/test/test_web.rb
+++ b/test/test_web.rb
@@ -324,6 +324,10 @@ class TestWeb < Sidekiq::Test
         it 'reports scheduled' do
           assert_equal 3, @response["sidekiq"]["scheduled"]
         end
+
+        it 'reports latency' do
+          assert_equal 0, @response["sidekiq"]["latency"]
+        end
       end
 
       describe "for redis" do

From ad32636d1fd04b3b464b06ca6478866d3ae7d9cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Lecour?= <jeremy.lecour@gmail.com>
Date: Fri, 4 Oct 2013 18:44:45 +0200
Subject: [PATCH 2/2] Stats: Rename latency to default_latency

Since it reflects only the latency of the default queue
it's more expressive like this.
---
 lib/sidekiq/web.rb | 2 +-
 test/test_web.rb   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/sidekiq/web.rb b/lib/sidekiq/web.rb
index f8e008c8..62ff38c2 100644
--- a/lib/sidekiq/web.rb
+++ b/lib/sidekiq/web.rb
@@ -327,7 +327,7 @@ module Sidekiq
           enqueued:   sidekiq_stats.enqueued,
           scheduled:  sidekiq_stats.scheduled_size,
           retries:    sidekiq_stats.retry_size,
-          latency:    queue.latency,
+          default_latency: queue.latency,
         },
         redis: redis_stats
       })
diff --git a/test/test_web.rb b/test/test_web.rb
index 014f2e62..5bf71f98 100644
--- a/test/test_web.rb
+++ b/test/test_web.rb
@@ -326,7 +326,7 @@ class TestWeb < Sidekiq::Test
         end
 
         it 'reports latency' do
-          assert_equal 0, @response["sidekiq"]["latency"]
+          assert_equal 0, @response["sidekiq"]["default_latency"]
         end
       end