Data comes from Sandy Bridge system running sysbench OLTP RO in 1 thread against 1 table.
Call graphs:
- 0.48% mysqld mysqld
|
- THD::enter_stage(PSI_stage_info_v1 const*, PSI_stage_info_v1*, char const*, char const*, unsigned int)
|
+ 17.64% JOIN::optimize_inner()
|
+ 10.74% JOIN::exec_inner()
|
+ 7.88% mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_
|
+ 7.39% open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*)
|
+ 7.30% mysql_lock_tables(THD*, st_mysql_lock*, unsigned int)
|
+ 5.98% net_after_header_psi(st_net*, void*, unsigned long, char)
|
+ 5.79% check_access(THD*, unsigned long, char const*, unsigned long*, st_grant_internal_info*, bool, bool)
|
+ 4.57% JOIN::optimize()
|
+ 4.22% close_thread_tables(THD*)
|
+ 4.18% set_thd_proc_info
|
+ 3.85% mysql_execute_command(THD*)
|
+ 3.83% JOIN::exec()
|
+ 3.77% mysql_parse(THD*, char*, unsigned int, Parser_state*)
|
+ 3.30% dispatch_command(enum_server_command, THD*, char*, unsigned int)
|
+ 3.09% mysql_unlock_tables(THD*, st_mysql_lock*, bool)
|
+ 2.77% check_table_access(THD*, unsigned long, TABLE_LIST*, bool, unsigned int, bool)
|
+ 1.49% my_real_read(st_net*, unsigned long*, char)
|
+ 0.72% mysql_lock_tables(THD*, TABLE**, unsigned int, unsigned int)
|
Most of the time is spent calling profiling.status_change(). This may be caused by branch misprediction. Aim of this task is to try to get rid of these branches. Inlining progiling.status_change() will be subject of different task.
{"report":{"fcp":943.1999999880791,"ttfb":322.19999998807907,"pageVisibility":"visible","entityId":50800,"key":"jira.project.issue.view-issue","isInitial":true,"threshold":1000,"elementTimings":{},"userDeviceMemory":8,"userDeviceProcessors":64,"apdex":0.5,"journeyId":"d52e0537-94d1-4fa4-b5e8-7c12cdee9e3b","navigationType":0,"readyForUser":1025.5,"redirectCount":0,"resourceLoadedEnd":1320.0999999642372,"resourceLoadedStart":327.5,"resourceTiming":[{"duration":81.69999998807907,"initiatorType":"link","name":"https://jira.mariadb.org/s/2c21342762a6a02add1c328bed317ffd-CDN/lu2bu7/820016/12ta74/0a8bac35585be7fc6c9cc5a0464cd4cf/_/download/contextbatch/css/_super/batch.css","startTime":327.5,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":327.5,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":409.19999998807907,"responseStart":0,"secureConnectionStart":0},{"duration":82.39999997615814,"initiatorType":"link","name":"https://jira.mariadb.org/s/7ebd35e77e471bc30ff0eba799ebc151-CDN/lu2bu7/820016/12ta74/8679b4946efa1a0bb029a3a22206fb5d/_/download/contextbatch/css/jira.browse.project,project.issue.navigator,jira.view.issue,jira.general,jira.global,atl.general,-_super/batch.css?agile_global_admin_condition=true&jag=true&jira.create.linked.issue=true&slack-enabled=true","startTime":327.69999998807907,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":327.69999998807907,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":410.0999999642372,"responseStart":0,"secureConnectionStart":0},{"duration":139.19999998807907,"initiatorType":"script","name":"https://jira.mariadb.org/s/fbf975c0cce4b1abf04784eeae9ba1f4-CDN/lu2bu7/820016/12ta74/0a8bac35585be7fc6c9cc5a0464cd4cf/_/download/contextbatch/js/_super/batch.js?locale=en","startTime":327.89999997615814,"connectEnd":327.89999997615814,"connectStart":327.89999997615814,"domainLookupEnd":327.89999997615814,"domainLookupStart":327.89999997615814,"fetchStart":327.89999997615814,"redirectEnd":0,"redirectStart":0,"requestStart":327.89999997615814,"responseEnd":467.0999999642372,"responseStart":467.0999999642372,"secureConnectionStart":327.89999997615814},{"duration":239,"initiatorType":"script","name":"https://jira.mariadb.org/s/099b33461394b8015fc36c0a4b96e19f-CDN/lu2bu7/820016/12ta74/8679b4946efa1a0bb029a3a22206fb5d/_/download/contextbatch/js/jira.browse.project,project.issue.navigator,jira.view.issue,jira.general,jira.global,atl.general,-_super/batch.js?agile_global_admin_condition=true&jag=true&jira.create.linked.issue=true&locale=en&slack-enabled=true","startTime":328.0999999642372,"connectEnd":328.0999999642372,"connectStart":328.0999999642372,"domainLookupEnd":328.0999999642372,"domainLookupStart":328.0999999642372,"fetchStart":328.0999999642372,"redirectEnd":0,"redirectStart":0,"requestStart":328.0999999642372,"responseEnd":567.0999999642372,"responseStart":567.0999999642372,"secureConnectionStart":328.0999999642372},{"duration":242.4000000357628,"initiatorType":"script","name":"https://jira.mariadb.org/s/94c15bff32baef80f4096a08aceae8bc-CDN/lu2bu7/820016/12ta74/c92c0caa9a024ae85b0ebdbed7fb4bd7/_/download/contextbatch/js/atl.global,-_super/batch.js?locale=en","startTime":328.2999999523163,"connectEnd":328.2999999523163,"connectStart":328.2999999523163,"domainLookupEnd":328.2999999523163,"domainLookupStart":328.2999999523163,"fetchStart":328.2999999523163,"redirectEnd":0,"redirectStart":0,"requestStart":328.2999999523163,"responseEnd":570.6999999880791,"responseStart":570.6999999880791,"secureConnectionStart":328.2999999523163},{"duration":242.69999998807907,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bu7/820016/12ta74/1.0/_/download/batch/jira.webresources:calendar-en/jira.webresources:calendar-en.js","startTime":328.39999997615814,"connectEnd":328.39999997615814,"connectStart":328.39999997615814,"domainLookupEnd":328.39999997615814,"domainLookupStart":328.39999997615814,"fetchStart":328.39999997615814,"redirectEnd":0,"redirectStart":0,"requestStart":328.39999997615814,"responseEnd":571.0999999642372,"responseStart":571.0999999642372,"secureConnectionStart":328.39999997615814},{"duration":242.9000000357628,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bu7/820016/12ta74/1.0/_/download/batch/jira.webresources:calendar-localisation-moment/jira.webresources:calendar-localisation-moment.js","startTime":328.5999999642372,"connectEnd":328.5999999642372,"connectStart":328.5999999642372,"domainLookupEnd":328.5999999642372,"domainLookupStart":328.5999999642372,"fetchStart":328.5999999642372,"redirectEnd":0,"redirectStart":0,"requestStart":328.5999999642372,"responseEnd":571.5,"responseStart":571.5,"secureConnectionStart":328.5999999642372},{"duration":282,"initiatorType":"link","name":"https://jira.mariadb.org/s/b04b06a02d1959df322d9cded3aeecc1-CDN/lu2bu7/820016/12ta74/a2ff6aa845ffc9a1d22fe23d9ee791fc/_/download/contextbatch/css/jira.global.look-and-feel,-_super/batch.css","startTime":328.7999999523163,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":328.7999999523163,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":610.7999999523163,"responseStart":0,"secureConnectionStart":0},{"duration":243.10000002384186,"initiatorType":"script","name":"https://jira.mariadb.org/rest/api/1.0/shortcuts/820016/47140b6e0a9bc2e4913da06536125810/shortcuts.js?context=issuenavigation&context=issueaction","startTime":328.89999997615814,"connectEnd":328.89999997615814,"connectStart":328.89999997615814,"domainLookupEnd":328.89999997615814,"domainLookupStart":328.89999997615814,"fetchStart":328.89999997615814,"redirectEnd":0,"redirectStart":0,"requestStart":328.89999997615814,"responseEnd":572,"responseStart":572,"secureConnectionStart":328.89999997615814},{"duration":281.9000000357628,"initiatorType":"link","name":"https://jira.mariadb.org/s/3ac36323ba5e4eb0af2aa7ac7211b4bb-CDN/lu2bu7/820016/12ta74/d176f0986478cc64f24226b3d20c140d/_/download/contextbatch/css/com.atlassian.jira.projects.sidebar.init,-_super,-project.issue.navigator,-jira.view.issue/batch.css?jira.create.linked.issue=true","startTime":329.0999999642372,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":329.0999999642372,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":611,"responseStart":0,"secureConnectionStart":0},{"duration":243.30000001192093,"initiatorType":"script","name":"https://jira.mariadb.org/s/3339d87fa2538a859872f2df449bf8d0-CDN/lu2bu7/820016/12ta74/d176f0986478cc64f24226b3d20c140d/_/download/contextbatch/js/com.atlassian.jira.projects.sidebar.init,-_super,-project.issue.navigator,-jira.view.issue/batch.js?jira.create.linked.issue=true&locale=en","startTime":329.2999999523163,"connectEnd":329.2999999523163,"connectStart":329.2999999523163,"domainLookupEnd":329.2999999523163,"domainLookupStart":329.2999999523163,"fetchStart":329.2999999523163,"redirectEnd":0,"redirectStart":0,"requestStart":329.2999999523163,"responseEnd":572.5999999642372,"responseStart":572.5999999642372,"secureConnectionStart":329.2999999523163},{"duration":476,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bu7/820016/12ta74/1.0/_/download/batch/jira.webresources:bigpipe-js/jira.webresources:bigpipe-js.js","startTime":330.0999999642372,"connectEnd":330.0999999642372,"connectStart":330.0999999642372,"domainLookupEnd":330.0999999642372,"domainLookupStart":330.0999999642372,"fetchStart":330.0999999642372,"redirectEnd":0,"redirectStart":0,"requestStart":330.0999999642372,"responseEnd":806.0999999642372,"responseStart":806,"secureConnectionStart":330.0999999642372},{"duration":986.8999999761581,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bu7/820016/12ta74/1.0/_/download/batch/jira.webresources:bigpipe-init/jira.webresources:bigpipe-init.js","startTime":330.19999998807907,"connectEnd":330.19999998807907,"connectStart":330.19999998807907,"domainLookupEnd":330.19999998807907,"domainLookupStart":330.19999998807907,"fetchStart":330.19999998807907,"redirectEnd":0,"redirectStart":0,"requestStart":330.19999998807907,"responseEnd":1317.0999999642372,"responseStart":1317.0999999642372,"secureConnectionStart":330.19999998807907},{"duration":185.19999998807907,"initiatorType":"xmlhttprequest","name":"https://jira.mariadb.org/rest/webResources/1.0/resources","startTime":622.1999999880791,"connectEnd":622.1999999880791,"connectStart":622.1999999880791,"domainLookupEnd":622.1999999880791,"domainLookupStart":622.1999999880791,"fetchStart":622.1999999880791,"redirectEnd":0,"redirectStart":0,"requestStart":622.1999999880791,"responseEnd":807.3999999761581,"responseStart":807.3999999761581,"secureConnectionStart":622.1999999880791},{"duration":421.69999998807907,"initiatorType":"link","name":"https://jira.mariadb.org/s/d5715adaadd168a9002b108b2b039b50-CDN/lu2bu7/820016/12ta74/be4b45e9cec53099498fa61c8b7acba4/_/download/contextbatch/css/jira.project.sidebar,-_super,-project.issue.navigator,-jira.general,-jira.browse.project,-jira.view.issue,-jira.global,-atl.general,-com.atlassian.jira.projects.sidebar.init/batch.css?agile_global_admin_condition=true&jag=true&jira.create.linked.issue=true&slack-enabled=true","startTime":896.1999999880791,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":896.1999999880791,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":1317.8999999761581,"responseStart":0,"secureConnectionStart":0},{"duration":420.80000001192093,"initiatorType":"script","name":"https://jira.mariadb.org/s/d41d8cd98f00b204e9800998ecf8427e-CDN/lu2bu7/820016/12ta74/e65b778d185daf5aee24936755b43da6/_/download/contextbatch/js/browser-metrics-plugin.contrib,-_super,-project.issue.navigator,-jira.view.issue,-atl.general/batch.js?agile_global_admin_condition=true&jag=true&jira.create.linked.issue=true&slack-enabled=true","startTime":897.1999999880791,"connectEnd":897.1999999880791,"connectStart":897.1999999880791,"domainLookupEnd":897.1999999880791,"domainLookupStart":897.1999999880791,"fetchStart":897.1999999880791,"redirectEnd":0,"redirectStart":0,"requestStart":897.1999999880791,"responseEnd":1318,"responseStart":1317.8999999761581,"secureConnectionStart":897.1999999880791},{"duration":422.5,"initiatorType":"script","name":"https://jira.mariadb.org/s/f51ef5507eea4c158f257c66c93b2a3f-CDN/lu2bu7/820016/12ta74/be4b45e9cec53099498fa61c8b7acba4/_/download/contextbatch/js/jira.project.sidebar,-_super,-project.issue.navigator,-jira.general,-jira.browse.project,-jira.view.issue,-jira.global,-atl.general,-com.atlassian.jira.projects.sidebar.init/batch.js?agile_global_admin_condition=true&jag=true&jira.create.linked.issue=true&locale=en&slack-enabled=true","startTime":897.5999999642372,"connectEnd":897.5999999642372,"connectStart":897.5999999642372,"domainLookupEnd":897.5999999642372,"domainLookupStart":897.5999999642372,"fetchStart":897.5999999642372,"redirectEnd":0,"redirectStart":0,"requestStart":897.5999999642372,"responseEnd":1320.0999999642372,"responseStart":1320.0999999642372,"secureConnectionStart":897.5999999642372},{"duration":482.7000000476837,"initiatorType":"script","name":"https://www.google-analytics.com/analytics.js","startTime":936.7999999523163,"connectEnd":0,"connectStart":0,"domainLookupEnd":0,"domainLookupStart":0,"fetchStart":936.7999999523163,"redirectEnd":0,"redirectStart":0,"requestStart":0,"responseEnd":1419.5,"responseStart":0,"secureConnectionStart":0}],"fetchStart":0,"domainLookupStart":0,"domainLookupEnd":0,"connectStart":0,"connectEnd":0,"requestStart":144,"responseStart":322,"responseEnd":323,"domLoading":325,"domInteractive":1337,"domContentLoadedEventStart":1337,"domContentLoadedEventEnd":1379,"domComplete":1549,"loadEventStart":1549,"loadEventEnd":1550,"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)","marks":[{"name":"bigPipe.sidebar-id.start","time":1323.0999999642372},{"name":"bigPipe.sidebar-id.end","time":1324},{"name":"bigPipe.activity-panel-pipe-id.start","time":1324.199999988079},{"name":"bigPipe.activity-panel-pipe-id.end","time":1325.2999999523163},{"name":"activityTabFullyLoaded","time":1429.7999999523163}],"measures":[],"correlationId":"aa53b24089645","effectiveType":"4g","downlink":9.9,"rtt":0,"serverDuration":115,"dbReadsTimeInMs":22,"dbConnsTimeInMs":32,"applicationHash":"9d11dbea5f4be3d4cc21f03a88dd11d8c8687422","experiments":[]}}
Bug
Major
