Commit 3c9c29ffdad288d53f0c149accededa9c8d1c690 to quake's db_profiling

quake / db_profiling

Run the following if you haven't already:

gem sources -a http://gems.github.com

Install the gem(s):

sudo gem install quake-db_profiling

Description:	simple database query profiling tool
Clone URL:	git://github.com/quake/db_profiling.git Give this clone URL to anyone. `git clone git://github.com/quake/db_profiling.git`

display detail app call stack

quake (author)

Wed Jun 11 23:42:22 -0700 2008

commit 3c9c29ffdad288d53f0c149accededa9c8d1c690
tree 7396cf4103350aef5546f85cbdfbb2b633d85af4
parent 6ff72471db45e79222440032046be9a7eb66e55e

db_profiling.gemspec
lib/db_profiling/db_profiling.rb
lib/db_profiling/db_profiling_helper.rb

db_profiling.gemspec

0
@@ -1,6 +1,6 @@
0
 Gem::Specification.new do |s|
0
   s.name = 'db_profiling'
0
-  s.version = '0.0.2'
0
+  s.version = '0.0.3'
0
   s.date = '2008-06-11'
0
   
0
   s.summary = "simple database query profiling tool"

lib/db_profiling/db_profiling.rb

0
@@ -20,9 +20,9 @@ ActiveRecord::ConnectionAdapters::QueryCache.module_eval do
0
   
0
   def cache_sql_with_stats(sql, &block)
0
     if @query_cache.has_key?(sql)
0
-      @@stats_hits << sql
0
+      @@stats_hits << [sql, extract_app_caller]
0
     else
0
-      @@stats_misses << sql
0
+      @@stats_misses << [sql, extract_app_caller]
0
     end
0
     bytes = 0
0
     rows = cache_sql_without_stats(sql, &block)
0
@@ -37,6 +37,10 @@ ActiveRecord::ConnectionAdapters::QueryCache.module_eval do
0
     rows
0
   end
0
   alias_method_chain :cache_sql, :stats
0
+
0
+  def extract_app_caller
0
+    caller.select {|s| s.index("#{RAILS_ROOT}/app") == 0}
0
+  end
0
 end
0
 
0
 ActionController::Base.module_eval do

lib/db_profiling/db_profiling_helper.rb

0
@@ -6,13 +6,13 @@ module JavaEye
0
         <<HTML
0
   <div id="db_profiling" style="background:pink;color:black;position:absolute;top:16px;left:25%;padding:0.5em;border: 2px solid red;z-index:999;text-align:left;">
0
       <strong>
0
-        Queries: <a href="#" onclick="$('cache_hits').toggle();return false;">#{stats[:hits].size}</a> / <a href="#" onclick="$('cache_misses').toggle();return false;">#{stats[:misses].size}</a> / #{number_to_percentage((stats[:hits].size.to_f / (stats[:queries])) * 100, :precision => 0)} |
0
+        Queries: <a href="#" onclick="$('cache_hits').toggle();return false;" title="Query cache hits">#{stats[:hits].size}</a> / <a href="#" onclick="$('cache_misses').toggle();return false;" title="DB queries">#{stats[:misses].size}</a> / #{number_to_percentage((stats[:hits].size.to_f / (stats[:queries])) * 100, :precision => 0)} |
0
         Rows: #{stats[:rows]} |
0
         Transfer: #{sprintf("%.1fk", stats[:bytes].to_f / 1024)} |
0
-        <a href="#" onclick="$('db_profiling').remove();return false;" title="close">[X]</a>
0
+        <a href="#" onclick="$('db_profiling').remove();return false;" title="Close">[X]</a>
0
       </strong>
0
-      <ul id="cache_hits" style="text-align:left;display:none;"><li>#{stats[:hits].join("</li><li>")}</li></ul>
0
-      <ul id="cache_misses" style="text-align:left;display:none;"><li>#{stats[:misses].join("</li><li>")}</li></ul>
0
+      <ul id="cache_hits" style="text-align:left;display:none;">#{stats[:hits].inject("") {|output, s| output << "<li title='Click to display detail' onclick='$(this).next().toggle();return false;' style='cursor: pointer'>#{s[0]}</li><li style='display:none;list-style:none;'>#{s[1].join('<br/>')}</li>" }}</ul>
0
+      <ul id="cache_misses" style="text-align:left;display:none;">#{stats[:misses].inject("") {|output, s| output << "<li title='Click to display detail' onclick='$(this).next().toggle();return false;' style='cursor: pointer'>#{s[0]}</li><li style='display:none;list-style:none;'>#{s[1].join('<br/>')}</li>" }}</ul>
0
   </div>        
0
 HTML
0
       end

Comments

No one has commented yet.