Registry trace for admin/settings/admin_menu - a path that really should not load much.  You think so. ;)

index.php
includes\bootstrap.inc

-- DRUPAL_BOOTSTRAP_CONFIGURATION --
sites\default\settings.php

-- DRUPAL_BOOTSTRAP_EARLY_PAGE_CACHE --
includes\cache.inc

-- DRUPAL_BOOTSTRAP_DATABASE --
includes\database\database.inc
includes\database\mysql\database.inc

-- DRUPAL_BOOTSTRAP_SESSION --
includes\session.inc
includes\database\mysql\query.inc
includes\database\query.inc

-- DRUPAL_BOOTSTRAP_LATE_PAGE_CACHE --
includes\module.inc
sites\all\modules\devel\devel.bootstrap.inc
modules\user\user.module

-- DRUPAL_BOOTSTRAP_PATH --
includes\path.inc

-- DRUPAL_BOOTSTRAP_FULL --
includes\common.inc
includes\theme.inc
includes\pager.inc
includes\database\select.inc
includes\menu.inc
includes\tablesort.inc
includes\file.inc
includes\unicode.inc
includes\image.inc
includes\form.inc
includes\mail.inc
includes\actions.inc

-- _drupal_bootstrap_full() [customized] --
modules\system\system.module
modules\filter\filter.module

-- module_invoke_all('init') --
sites\all\modules\admin_menu\admin_menu.bootstrap.inc
modules\aggregator\aggregator.bootstrap.inc [drupal_add_css]
modules\blogapi\blogapi.bootstrap.inc [conditional drupal_add_link]
modules\book\book.bootstrap.inc [drupal_add_css]
modules\dblog\dblog.bootstrap.inc [conditional drupal_add_css]
modules\field\field.bootstrap.inc [module_load_include + drupal_add_css]
modules\node\node.bootstrap.inc [drupal_add_css]
modules\poll\poll.bootstrap.inc [drupal_add_css]
sites\all\modules\pqp\pqp.module
modules\system\system.bootstrap.inc [drupal_add_css + conditional admin theme initialization]
modules\forum\forum.bootstrap.inc [drupal_add_css]

-- menu_execute_active_handler --
sites\all\modules\admin_menu\admin_menu.module
modules\field\field.crud.inc
modules\field\field.autoload.inc
sites\all\modules\devel\krumo\class.krumo.php
sites\all\modules\admin_menu\admin_menu.inc

-- module_invoke_all('elements') --
modules\field\modules\number\number.bootstrap.inc
modules\field\modules\options\options.bootstrap.inc
modules\field\modules\text\text.bootstrap.inc
modules\user\user.bootstrap.inc

-- module_invoke_all('form_alter') --
modules\book\book.alter.inc
modules\comment\comment.alter.inc
modules\locale\locale.alter.inc
modules\menu\menu.alter.inc
modules\path\path.alter.inc
modules\taxonomy\taxonomy.alter.inc
modules\translation\translation.alter.inc
modules\upload\upload.alter.inc
modules\forum\forum.alter.inc
sites\all\modules\devel\devel.module
modules\block\block.alter.inc

-- init_theme() --
themes\engines\phptemplate\phptemplate.engine
themes\garland\template.php

-- module_invoke_all('page_alter') --
modules\block\block.module

-- module_implements('db_rewrite_sql') --
modules\node\node.module

-- module_implements('node_info') --
modules\blog\blog.bootstrap.inc

-- menu_tree_page_data('management') => _node_add_access() => node_hook($type->type, 'form') --
modules\blog\blog.module

-- template_preprocess_page() --
themes\garland\block.tpl.php

-- menu_tree_check_access() => _menu_link_translate() => user_load() => field_attach_load() --
modules\field\field.attach.inc

-- field_attach_load() => drupal_autoload_class() --
modules\field\field.module
modules\field\field.info.inc

-- module_implements('user_load') --
modules\profile\profile.module

-- module_implements('forms') --
modules\search\search.module
modules\trigger\trigger.module

-- trigger.module: module_invoke_all('hook_info') --
modules\comment\comment.bootstrap.inc
modules\taxonomy\taxonomy.bootstrap.inc

modules\search\search-theme-form.tpl.php

-- module_invoke_all('js_alter') --
modules\simpletest\simpletest.alter.inc
modules\locale\locale.module
modules\color\color.alter.inc

themes\garland\page.tpl.php

-- module_invoke_all('exit') --
modules\statistics\statistics.bootstrap.inc
sites\all\modules\pqp\pqp\display.php