[WordPress] 負荷がかかっている処理を見つけるのに wp profile がとても便利だった ref: https://qiita.com/wokamoto/items/3902278e658ba856f1a9

file0.txt

$ wp package install git@github.com:wp-cli/profile-command.git
Installing package wp-cli/profile-command (dev-master)
Updating /home/ec2-user/.wp-cli/packages/composer.json to require the package...
Registering git@github.com:wp-cli/profile-command.git as a VCS repository...
Using Composer to install the package...
---
Loading composer repositories with package information
Updating dependencies
Resolving dependencies through SAT
Dependency resolution completed in 0.212 seconds
Analyzed 5353 packages to resolve dependencies
Analyzed 311432 rules to resolve dependencies
Package operations: 1 install, 0 updates, 0 removals
Installs: wp-cli/profile-command:dev-master efb296b
 - Installing wp-cli/profile-command (dev-master efb296b)
Writing lock file
Generating autoload files
---
Success: Package installed.

file1.txt

$ wp profile stage --fields=stage,time,cache_ratio
+------------+---------+-------------+
| stage      | time    | cache_ratio |
+------------+---------+-------------+
| bootstrap  | 0.3982s | 99.79%      |
| main_query | 0.0074s | 99.29%      |
| template   | 0.1109s | 99.82%      |
+------------+---------+-------------+
| total (3)  | 0.5165s | 99.63%      |
+------------+---------+-------------+

file2.txt

$ wp profile stage bootstrap --fields=hook,callback_count,time,cache_ratio --spotlight
+--------------------------+----------------+---------+-------------+
| hook                     | callback_count | time    | cache_ratio |
+--------------------------+----------------+---------+-------------+
| muplugins_loaded:before  |                | 0.1122s | 100%        |
| plugins_loaded:before    |                | 0.1557s | 99.31%      |
| plugins_loaded           | 30             | 0.0616s | 100%        |
| after_setup_theme:before |                | 0.0134s | 100%        |
| init                     | 50             | 0.0241s | 100%        |
| wp_loaded:after          |                | 0.0292s |             |
+--------------------------+----------------+---------+-------------+
| total (6)                | 80             | 0.3961s | 99.86%      |
+--------------------------+----------------+---------+-------------+

file3.txt

$ wp profile hook plugins_loaded --fields=callback,location,time --order=DESC --orderby=time
+------------------------------------------------------------------+-------------------------------------------------------------------+---------+
| callback                                                         | location                                                          | time    |
+------------------------------------------------------------------+-------------------------------------------------------------------+---------+
| Jetpack::load_modules()                                          | jetpack/class.jetpack.php:1749                                    | 0.0268s |
| Jetpack_Sync_Actions::init()                                     | jetpack/sync/class.jetpack-sync-actions.php:17                    | 0.0109s |
| Jetpack::plugin_textdomain()                                     | jetpack/class.jetpack.php:928                                     | 0.0093s |
| wpcf7()                                                          | contact-form-7/settings.php:89                                    | 0.0069s |
| wp_maybe_load_widgets()                                          | wp-includes/functions.php:3681                                    | 0.0042s |
| LogBook\plugins_loaded()                                         | logbook/logbook.php:23                                            | 0.0017s |
| Jetpack->check_twitter_tags()                                    | jetpack/class.jetpack.php:1997                                    | 0.0005s |
| TotalHacks->plugins_loaded()                                     | wp-total-hacks/wp-total-hacks.php:125                             | 0.0004s |
| BA_Edit_Author_Slug->load_textdomain()                           | edit-author-slug/includes/classes/class-edit-author-slug.php:330  | 0.0003s |
| NginxChampuru->plugins_loaded()                                  | nginx-champuru/nginx-champuru.php:129                             | 0.0002s |
| gist->plugins_loaded()                                           | oembed-gist/oembed-gist.php:25                                    | 0.0002s |
| function(){}                                                     | mu-plugins/cloudfront-fix.php:2                                   | 0.0002s |
| wp_maybe_load_embeds()                                           | wp-includes/embed.php:176                                         | 0.0001s |
| geoip_detect_load_textdomain()                                   | geoip-detect/init.php:25                                          | 0.0001s |
| Jetpack->extra_oembed_providers()                                | jetpack/class.jetpack.php:1728                                    | 0.0001s |
| Jetpack_Sync_Actions::initialize_woocommerce()                   | jetpack/sync/class.jetpack-sync-actions.php:295                   | 0.0001s |
| Amazonpolly_I18n->load_plugin_textdomain()                       | amazon-polly/includes/class-amazonpolly-i18n.php:34               | 0.0001s |
| Jetpack_Sync_Actions::initialize_wp_super_cache()                | jetpack/sync/class.jetpack-sync-actions.php:308                   | 0s      |
| function(){}                                                     | hacks/hacks.php:255                                               | 0s      |
| geoip_detect_defines()                                           | geoip-detect/init.php:2                                           | 0s      |
| _wp_customize_include()                                          | wp-includes/theme.php:2772                                        | 0s      |
| geoip_detect_maybe_upgrade_version()                             | geoip-detect/upgrade-plugin.php:73                                | 0s      |
| NginxChampuru_Caching->wp_cron_caching()                         | nginx-champuru/includes/caching.class.php:99                      | 0s      |
| Jetpack->check_rest_api_compat()                                 | jetpack/class.jetpack.php:1844                                    | 0s      |
| mycategoryorder_init()                                           | my-category-order/mycategoryorder.php:12                          | 0s      |
| function(){}                                                     | c3-cloudfront-clear-cache/module/model/fixtures/avoid_preview_cac | 0s      |
|                                                                  | he.php:12                                                         |         |
| YellowTree\GeoipDetect\DataSources\Auto\AutoDataSource->on_plugi | geoip-detect/data-sources/auto.php:72                             | 0s      |
| ns_loaded()                                                      |                                                                   |         |
| Jetpack_3rd_Party_Domain_Mapping->attempt_to_hook_domain_mapping | jetpack/3rd-party/domain-mapping.php:41                           | 0s      |
| _plugins()                                                       |                                                                   |         |
| Nginx_Mobile_Theme->plugins_loaded()                             | nginx-mobile-theme/nginx-mobile-theme.php:48                      | 0s      |
| function(){}                                                     | hacks/hacks.php:23                                                | 0s      |
+------------------------------------------------------------------+-------------------------------------------------------------------+---------+
| total (30)                                                       |                                                                   | 0.0622s |
+------------------------------------------------------------------+-------------------------------------------------------------------+---------+