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January 28, 2024 19:12
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| Hierarchical profiling with perf, top 5 stacks | |
| Postgres 13.13 | |
| 58.36% 2054 postgres postgres [.] _bt_readpage | |
| 58.36% _bt_readpage;_bt_readnextpage;_bt_steppage;_bt_first;btgettuple;index_getnext_tid;get_actual_variable_endpoint;get_actual_variable_range;ineq_histogram_selectivity.part.0;scalarineqsel;scalarineqsel_wrapper;FunctionCall4Coll;OidFunctionCall4Coll;restriction_selectivity;clause_selectivity;clauselist_selectivity_simple;clauselist_selectivity;set_baserel_size_estimates;make_one_rel;query_planner;grouping_planner;subquery_planner;standard_planner;pg_plan_query;pg_plan_queries;exec_simple_query;PostgresMain;ServerLoop;PostmasterMain;main;__libc_start_call_main | |
| 13.70% 478 postgres postgres [.] hash_search_with_hash_value | |
| 13.62% hash_search_with_hash_value;BufTableLookup;ReadBuffer_common;ReadBufferExtended;_bt_getbuf;_bt_readnextpage;_bt_steppage;_bt_first;btgettuple;index_getnext_tid;get_actual_variable_endpoint;get_actual_variable_range;ineq_histogram_selectivity.part.0;scalarineqsel;scalarineqsel_wrapper;FunctionCall4Coll;OidFunctionCall4Coll;restriction_selectivity;clause_selectivity;clauselist_selectivity_simple;clauselist_selectivity;set_baserel_size_estimates;make_one_rel;query_planner;grouping_planner;subquery_planner;standard_planner;pg_plan_query;pg_plan_queries;exec_simple_query;PostgresMain;ServerLoop;PostmasterMain;main;__libc_start_call_main | |
| 4.08% 142 postgres postgres [.] _bt_readnextpage | |
| 4.08% _bt_readnextpage;_bt_steppage;_bt_first;btgettuple;index_getnext_tid;get_actual_variable_endpoint;get_actual_variable_range;ineq_histogram_selectivity.part.0;scalarineqsel;scalarineqsel_wrapper;FunctionCall4Coll;OidFunctionCall4Coll;restriction_selectivity;clause_selectivity;clauselist_selectivity_simple;clauselist_selectivity;set_baserel_size_estimates;make_one_rel;query_planner;grouping_planner;subquery_planner;standard_planner;pg_plan_query;pg_plan_queries;exec_simple_query;PostgresMain;ServerLoop;PostmasterMain;main;__libc_start_call_main | |
| 3.38% 121 postgres postgres [.] LWLockAttemptLock | |
| 3.05% LWLockAttemptLock;ReadBuffer_common;ReadBufferExtended;_bt_getbuf;_bt_readnextpage;_bt_steppage;_bt_first;btgettuple;index_getnext_tid;get_actual_variable_endpoint;get_actual_variable_range;ineq_histogram_selectivity.part.0;scalarineqsel;scalarineqsel_wrapper;FunctionCall4Coll;OidFunctionCall4Coll;restriction_selectivity;clause_selectivity;clauselist_selectivity_simple;clauselist_selectivity;set_baserel_size_estimates;make_one_rel;query_planner;grouping_planner;subquery_planner;standard_planner;pg_plan_query;pg_plan_queries;exec_simple_query;PostgresMain;ServerLoop;PostmasterMain;main;__libc_start_call_main | |
| 3.35% 117 postgres postgres [.] _bt_checkpage | |
| 3.31% _bt_checkpage;_bt_getbuf;_bt_readnextpage;_bt_steppage;_bt_first;btgettuple;index_getnext_tid;get_actual_variable_endpoint;get_actual_variable_range;ineq_histogram_selectivity.part.0;scalarineqsel;scalarineqsel_wrapper;FunctionCall4Coll;OidFunctionCall4Coll;restriction_selectivity;clause_selectivity;clauselist_selectivity_simple;clauselist_selectivity;set_baserel_size_estimates;make_one_rel;query_planner;grouping_planner;subquery_planner;standard_planner;pg_plan_query;pg_plan_queries;exec_simple_query;PostgresMain;ServerLoop;PostmasterMain;main;__libc_start_call_main | |
| Postgres 14.10 | |
| 60.49% 3382 postgres postgres [.] _bt_readpage | |
| 60.49% _bt_readpage;_bt_readnextpage;_bt_steppage;_bt_first;btgettuple;index_getnext_tid;get_actual_variable_endpoint;get_actual_variable_range;ineq_histogram_selectivity.part.0;scalarineqsel;scalarineqsel_wrapper;FunctionCall4Coll;OidFunctionCall4Coll;restriction_selectivity;clause_selectivity_ext;clauselist_selectivity_ext;set_baserel_size_estimates;make_one_rel;query_planner;grouping_planner;subquery_planner;standard_planner;pg_plan_query;pg_plan_queries;exec_simple_query;PostgresMain;ServerLoop;PostmasterMain;main;__libc_start_call_main | |
| 16.59% 929 postgres postgres [.] hash_search_with_hash_value | |
| 16.55% hash_search_with_hash_value;BufTableLookup;ReadBuffer_common;ReadBufferExtended;_bt_getbuf;_bt_readnextpage;_bt_steppage;_bt_first;btgettuple;index_getnext_tid;get_actual_variable_endpoint;get_actual_variable_range;ineq_histogram_selectivity.part.0;scalarineqsel;scalarineqsel_wrapper;FunctionCall4Coll;OidFunctionCall4Coll;restriction_selectivity;clause_selectivity_ext;clauselist_selectivity_ext;set_baserel_size_estimates;make_one_rel;query_planner;grouping_planner;subquery_planner;standard_planner;pg_plan_query;pg_plan_queries;exec_simple_query;PostgresMain;ServerLoop;PostmasterMain;main;__libc_start_call_main | |
| 3.58% 199 postgres postgres [.] LWLockAttemptLock | |
| 3.17% LWLockAttemptLock;ReadBuffer_common;ReadBufferExtended;_bt_getbuf;_bt_readnextpage;_bt_steppage;_bt_first;btgettuple;index_getnext_tid;get_actual_variable_endpoint;get_actual_variable_range;ineq_histogram_selectivity.part.0;scalarineqsel;scalarineqsel_wrapper;FunctionCall4Coll;OidFunctionCall4Coll;restriction_selectivity;clause_selectivity_ext;clauselist_selectivity_ext;set_baserel_size_estimates;make_one_rel;query_planner;grouping_planner;subquery_planner;standard_planner;pg_plan_query;pg_plan_queries;exec_simple_query;PostgresMain;ServerLoop;PostmasterMain;main;__libc_start_call_main | |
| 3.19% 178 postgres postgres [.] _bt_readnextpage | |
| 3.19% _bt_readnextpage;_bt_steppage;_bt_first;btgettuple;index_getnext_tid;get_actual_variable_endpoint;get_actual_variable_range;ineq_histogram_selectivity.part.0;scalarineqsel;scalarineqsel_wrapper;FunctionCall4Coll;OidFunctionCall4Coll;restriction_selectivity;clause_selectivity_ext;clauselist_selectivity_ext;set_baserel_size_estimates;make_one_rel;query_planner;grouping_planner;subquery_planner;standard_planner;pg_plan_query;pg_plan_queries;exec_simple_query;PostgresMain;ServerLoop;PostmasterMain;main;__libc_start_call_main | |
| 2.05% 115 postgres postgres [.] LWLockRelease | |
| 1.14% LWLockRelease;ReadBuffer_common;ReadBufferExtended;_bt_getbuf;_bt_readnextpage;_bt_steppage;_bt_first;btgettuple;index_getnext_tid;get_actual_variable_endpoint;get_actual_variable_range;ineq_histogram_selectivity.part.0;scalarineqsel;scalarineqsel_wrapper;FunctionCall4Coll;OidFunctionCall4Coll;restriction_selectivity;clause_selectivity_ext;clauselist_selectivity_ext;set_baserel_size_estimates;make_one_rel;query_planner;grouping_planner;subquery_planner;standard_planner;pg_plan_query;pg_plan_queries;exec_simple_query;PostgresMain;ServerLoop;PostmasterMain;main;__libc_start_call_main | |
| 0.77% LWLockRelease;_bt_relbuf;_bt_readnextpage;_bt_steppage;_bt_first;btgettuple;index_getnext_tid;get_actual_variable_endpoint;get_actual_variable_range;ineq_histogram_selectivity.part.0;scalarineqsel;scalarineqsel_wrapper;FunctionCall4Coll;OidFunctionCall4Coll;restriction_selectivity;clause_selectivity_ext;clauselist_selectivity_ext;set_baserel_size_estimates;make_one_rel;query_planner;grouping_planner;subquery_planner;standard_planner;pg_plan_query;pg_plan_queries;exec_simple_query;PostgresMain;ServerLoop;PostmasterMain;main;__libc_start_call_main |
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