Updating formatting of source code
Hamid Akhtar
Muhammad Usama
parent
c7cb3d08be
commit
9ecd2ccbb7
467
guc.c
467
guc.c
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@ -19,28 +19,29 @@
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#include "pg_stat_monitor.h"
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/* GUC variables */
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int pgsm_max;
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int pgsm_query_max_len;
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int pgsm_bucket_time;
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int pgsm_max_buckets;
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int pgsm_histogram_buckets;
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double pgsm_histogram_min;
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double pgsm_histogram_max;
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int pgsm_query_shared_buffer;
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bool pgsm_track_planning;
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bool pgsm_extract_comments;
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bool pgsm_enable_query_plan;
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bool pgsm_enable_overflow;
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bool pgsm_normalized_query;
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bool pgsm_track_utility;
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bool pgsm_enable_pgsm_query_id;
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int pgsm_track;
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static int pgsm_overflow_target; /* Not used since 2.0 */
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int pgsm_max;
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int pgsm_query_max_len;
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int pgsm_bucket_time;
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int pgsm_max_buckets;
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int pgsm_histogram_buckets;
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double pgsm_histogram_min;
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double pgsm_histogram_max;
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int pgsm_query_shared_buffer;
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bool pgsm_track_planning;
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bool pgsm_extract_comments;
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bool pgsm_enable_query_plan;
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bool pgsm_enable_overflow;
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bool pgsm_normalized_query;
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bool pgsm_track_utility;
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bool pgsm_enable_pgsm_query_id;
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int pgsm_track;
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static int pgsm_overflow_target; /* Not used since 2.0 */
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/* Check hooks to ensure histogram_min < histogram_max */
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static bool check_histogram_min(double *newval, void **extra, GucSource source);
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static bool check_histogram_max(double *newval, void **extra, GucSource source);
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static bool check_overflow_targer(int *newval, void **extra, GucSource source);
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/*
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* Define (or redefine) custom GUC variables.
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*/
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@ -48,230 +49,230 @@ void
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init_guc(void)
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{
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DefineCustomIntVariable("pg_stat_monitor.pgsm_max", /* name */
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"Sets the maximum size of shared memory in (MB) used for statement's metadata tracked by pg_stat_monitor.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_max, /* value address */
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256, /* boot value */
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10, /* min value */
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10240, /* max value */
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PGC_POSTMASTER, /* context */
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GUC_UNIT_MB, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomIntVariable("pg_stat_monitor.pgsm_max", /* name */
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"Sets the maximum size of shared memory in (MB) used for statement's metadata tracked by pg_stat_monitor.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_max, /* value address */
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256, /* boot value */
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10, /* min value */
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10240, /* max value */
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PGC_POSTMASTER, /* context */
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GUC_UNIT_MB, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomIntVariable("pg_stat_monitor.pgsm_query_max_len", /* name */
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"Sets the maximum length of query.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_query_max_len, /* value address */
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2048, /* boot value */
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1024, /* min value */
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INT_MAX, /* max value */
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PGC_POSTMASTER, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomIntVariable("pg_stat_monitor.pgsm_query_max_len", /* name */
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"Sets the maximum length of query.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_query_max_len, /* value address */
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2048, /* boot value */
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1024, /* min value */
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INT_MAX, /* max value */
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PGC_POSTMASTER, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomIntVariable("pg_stat_monitor.pgsm_max_buckets", /* name */
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"Sets the maximum number of buckets.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_max_buckets, /* value address */
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10, /* boot value */
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1, /* min value */
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20000, /* max value */
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PGC_POSTMASTER, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomIntVariable("pg_stat_monitor.pgsm_max_buckets", /* name */
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"Sets the maximum number of buckets.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_max_buckets, /* value address */
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10, /* boot value */
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1, /* min value */
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20000, /* max value */
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PGC_POSTMASTER, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomIntVariable("pg_stat_monitor.pgsm_bucket_time", /* name */
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"Sets the time in seconds per bucket.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_bucket_time, /* value address */
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60, /* boot value */
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1, /* min value */
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INT_MAX, /* max value */
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PGC_POSTMASTER, /* context */
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GUC_UNIT_S, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomIntVariable("pg_stat_monitor.pgsm_bucket_time", /* name */
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"Sets the time in seconds per bucket.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_bucket_time, /* value address */
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60, /* boot value */
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1, /* min value */
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INT_MAX, /* max value */
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PGC_POSTMASTER, /* context */
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GUC_UNIT_S, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomRealVariable("pg_stat_monitor.pgsm_histogram_min", /* name */
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"Sets the time in millisecond.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_histogram_min, /* value address */
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1, /* boot value */
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0, /* min value */
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HISTOGRAM_MAX_TIME, /* max value */
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PGC_POSTMASTER, /* context */
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GUC_UNIT_MS, /* flags */
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check_histogram_min, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomRealVariable("pg_stat_monitor.pgsm_histogram_min", /* name */
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"Sets the time in millisecond.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_histogram_min, /* value address */
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1, /* boot value */
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0, /* min value */
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HISTOGRAM_MAX_TIME, /* max value */
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PGC_POSTMASTER, /* context */
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GUC_UNIT_MS, /* flags */
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check_histogram_min, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomRealVariable("pg_stat_monitor.pgsm_histogram_max", /* name */
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"Sets the time in millisecond.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_histogram_max, /* value address */
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100000.0, /* boot value */
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10.0, /* min value */
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HISTOGRAM_MAX_TIME, /* max value */
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PGC_POSTMASTER, /* context */
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GUC_UNIT_MS, /* flags */
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check_histogram_max, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomRealVariable("pg_stat_monitor.pgsm_histogram_max", /* name */
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"Sets the time in millisecond.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_histogram_max, /* value address */
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100000.0, /* boot value */
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10.0, /* min value */
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HISTOGRAM_MAX_TIME, /* max value */
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PGC_POSTMASTER, /* context */
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GUC_UNIT_MS, /* flags */
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check_histogram_max, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomIntVariable("pg_stat_monitor.pgsm_histogram_buckets", /* name */
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"Sets the maximum number of histogram buckets.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_histogram_buckets, /* value address */
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20, /* boot value */
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2, /* min value */
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MAX_RESPONSE_BUCKET, /* max value */
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PGC_POSTMASTER, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomIntVariable("pg_stat_monitor.pgsm_histogram_buckets", /* name */
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"Sets the maximum number of histogram buckets.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_histogram_buckets, /* value address */
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20, /* boot value */
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2, /* min value */
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MAX_RESPONSE_BUCKET, /* max value */
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PGC_POSTMASTER, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomIntVariable("pg_stat_monitor.pgsm_query_shared_buffer", /* name */
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"Sets the maximum size of shared memory in (MB) used for query tracked by pg_stat_monitor.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_query_shared_buffer, /* value address */
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20, /* boot value */
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1, /* min value */
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10000, /* max value */
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PGC_POSTMASTER, /* context */
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GUC_UNIT_MB, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomIntVariable("pg_stat_monitor.pgsm_query_shared_buffer", /* name */
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"Sets the maximum size of shared memory in (MB) used for query tracked by pg_stat_monitor.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_query_shared_buffer, /* value address */
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20, /* boot value */
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1, /* min value */
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10000, /* max value */
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PGC_POSTMASTER, /* context */
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GUC_UNIT_MB, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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/* deprecated in V 2.0 */
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DefineCustomIntVariable("pg_stat_monitor.pgsm_overflow_target", /* name */
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"Sets the overflow target for pg_stat_monitor. (Deprecated, use pgsm_enable_overflow)", /* short_desc */
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NULL, /* long_desc */
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&pgsm_overflow_target, /* value address */
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1, /* boot value */
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0, /* min value */
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1, /* max value */
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PGC_POSTMASTER, /* context */
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0, /* flags */
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check_overflow_targer, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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/* deprecated in V 2.0 */
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DefineCustomIntVariable("pg_stat_monitor.pgsm_overflow_target", /* name */
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"Sets the overflow target for pg_stat_monitor. (Deprecated, use pgsm_enable_overflow)", /* short_desc */
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NULL, /* long_desc */
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&pgsm_overflow_target, /* value address */
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1, /* boot value */
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0, /* min value */
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1, /* max value */
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PGC_POSTMASTER, /* context */
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0, /* flags */
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check_overflow_targer, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomBoolVariable("pg_stat_monitor.pgsm_track_utility", /* name */
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"Selects whether utility commands are tracked.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_track_utility, /* value address */
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true, /* boot value */
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PGC_USERSET, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomBoolVariable("pg_stat_monitor.pgsm_track_utility", /* name */
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"Selects whether utility commands are tracked.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_track_utility, /* value address */
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true, /* boot value */
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PGC_USERSET, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomBoolVariable("pg_stat_monitor.pgsm_enable_pgsm_query_id", /* name */
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"Enable/disable PGSM specific query id calculation which is very useful in comparing same query across databases and clusters..", /* short_desc */
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NULL, /* long_desc */
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&pgsm_enable_pgsm_query_id, /* value address */
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true, /* boot value */
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PGC_USERSET, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomBoolVariable("pg_stat_monitor.pgsm_enable_pgsm_query_id", /* name */
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"Enable/disable PGSM specific query id calculation which is very useful in comparing same query across databases and clusters..", /* short_desc */
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NULL, /* long_desc */
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&pgsm_enable_pgsm_query_id, /* value address */
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true, /* boot value */
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PGC_USERSET, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomBoolVariable("pg_stat_monitor.pgsm_normalized_query", /* name */
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"Selects whether save query in normalized format.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_normalized_query, /* value address */
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false, /* boot value */
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PGC_USERSET, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomBoolVariable("pg_stat_monitor.pgsm_normalized_query", /* name */
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"Selects whether save query in normalized format.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_normalized_query, /* value address */
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false, /* boot value */
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PGC_USERSET, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomBoolVariable("pg_stat_monitor.pgsm_enable_overflow", /* name */
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"Enable/Disable pg_stat_monitor to grow beyond shared memory into swap space.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_enable_overflow, /* value address */
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true, /* boot value */
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PGC_POSTMASTER, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomBoolVariable("pg_stat_monitor.pgsm_enable_overflow", /* name */
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"Enable/Disable pg_stat_monitor to grow beyond shared memory into swap space.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_enable_overflow, /* value address */
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true, /* boot value */
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PGC_POSTMASTER, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomBoolVariable("pg_stat_monitor.pgsm_enable_query_plan", /* name */
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"Enable/Disable query plan monitoring.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_enable_query_plan, /* value address */
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false, /* boot value */
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PGC_USERSET, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomBoolVariable("pg_stat_monitor.pgsm_enable_query_plan", /* name */
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"Enable/Disable query plan monitoring.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_enable_query_plan, /* value address */
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false, /* boot value */
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PGC_USERSET, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomBoolVariable("pg_stat_monitor.pgsm_extract_comments", /* name */
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"Enable/Disable extracting comments from queries.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_extract_comments, /* value address */
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false, /* boot value */
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PGC_USERSET, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomBoolVariable("pg_stat_monitor.pgsm_extract_comments", /* name */
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"Enable/Disable extracting comments from queries.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_extract_comments, /* value address */
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false, /* boot value */
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PGC_USERSET, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomEnumVariable("pg_stat_monitor.pgsm_track", /* name */
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"Selects which statements are tracked by pg_stat_monitor.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_track, /* value address */
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PGSM_TRACK_TOP, /* boot value */
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track_options, /* enum options */
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PGC_USERSET, /* context */
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0, /* flags */
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NULL, /* check_hook */
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NULL, /* assign_hook */
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NULL /* show_hook */
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);
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DefineCustomEnumVariable("pg_stat_monitor.pgsm_track", /* name */
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"Selects which statements are tracked by pg_stat_monitor.", /* short_desc */
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NULL, /* long_desc */
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&pgsm_track, /* value address */
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||||
PGSM_TRACK_TOP, /* boot value */
|
||||
track_options, /* enum options */
|
||||
PGC_USERSET, /* context */
|
||||
0, /* flags */
|
||||
NULL, /* check_hook */
|
||||
NULL, /* assign_hook */
|
||||
NULL /* show_hook */
|
||||
);
|
||||
#if PG_VERSION_NUM >= 130000
|
||||
DefineCustomBoolVariable("pg_stat_monitor.pgsm_track_planning", /* name */
|
||||
"Selects whether planning statistics are tracked.", /* short_desc */
|
||||
NULL, /* long_desc */
|
||||
&pgsm_track_planning, /* value address */
|
||||
false, /* boot value */
|
||||
PGC_USERSET, /* context */
|
||||
0, /* flags */
|
||||
NULL, /* check_hook */
|
||||
NULL, /* assign_hook */
|
||||
NULL /* show_hook */
|
||||
);
|
||||
DefineCustomBoolVariable("pg_stat_monitor.pgsm_track_planning", /* name */
|
||||
"Selects whether planning statistics are tracked.", /* short_desc */
|
||||
NULL, /* long_desc */
|
||||
&pgsm_track_planning, /* value address */
|
||||
false, /* boot value */
|
||||
PGC_USERSET, /* context */
|
||||
0, /* flags */
|
||||
NULL, /* check_hook */
|
||||
NULL, /* assign_hook */
|
||||
NULL /* show_hook */
|
||||
);
|
||||
#endif
|
||||
|
||||
}
|
||||
|
|
@ -280,23 +281,23 @@ init_guc(void)
|
|||
static bool
|
||||
check_histogram_min(double *newval, void **extra, GucSource source)
|
||||
{
|
||||
/*
|
||||
* During module initialization PGSM_HISTOGRAM_MIN is initialized before
|
||||
* PGSM_HISTOGRAM_MAX, in this case PGSM_HISTOGRAM_MAX will be zero.
|
||||
*/
|
||||
return (pgsm_histogram_max == 0 || (*newval + 1.0) <= pgsm_histogram_max);
|
||||
/*
|
||||
* During module initialization PGSM_HISTOGRAM_MIN is initialized before
|
||||
* PGSM_HISTOGRAM_MAX, in this case PGSM_HISTOGRAM_MAX will be zero.
|
||||
*/
|
||||
return (pgsm_histogram_max == 0 || (*newval + 1.0) <= pgsm_histogram_max);
|
||||
}
|
||||
|
||||
static bool
|
||||
check_histogram_max(double *newval, void **extra, GucSource source)
|
||||
{
|
||||
return (*newval >= (pgsm_histogram_min + 1.0));
|
||||
return (*newval >= (pgsm_histogram_min + 1.0));
|
||||
}
|
||||
|
||||
static bool
|
||||
check_overflow_targer(int *newval, void **extra, GucSource source)
|
||||
{
|
||||
if (source != PGC_S_DEFAULT)
|
||||
elog(WARNING, "pg_stat_monitor.pgsm_overflow_target is deprecated, use pgsm_enable_overflow");
|
||||
return true;
|
||||
if (source != PGC_S_DEFAULT)
|
||||
elog(WARNING, "pg_stat_monitor.pgsm_overflow_target is deprecated, use pgsm_enable_overflow");
|
||||
return true;
|
||||
}
|
||||
|
|
|
|||
398
hash_query.c
398
hash_query.c
|
|
@ -19,14 +19,14 @@
|
|||
#include "pg_stat_monitor.h"
|
||||
|
||||
static pgsmLocalState pgsmStateLocal;
|
||||
static PGSM_HASH_TABLE_HANDLE pgsm_create_bucket_hash(pgsmSharedState * pgsm, dsa_area * dsa);
|
||||
static PGSM_HASH_TABLE_HANDLE pgsm_create_bucket_hash(pgsmSharedState * pgsm, dsa_area *dsa);
|
||||
static Size pgsm_get_shared_area_size(void);
|
||||
static void InitializeSharedState(pgsmSharedState * pgsm);
|
||||
|
||||
#if USE_DYNAMIC_HASH
|
||||
/* parameter for the shared hash */
|
||||
static dshash_parameters dsh_params = {
|
||||
sizeof(pgsmHashKey),
|
||||
sizeof(pgsmHashKey),
|
||||
sizeof(pgsmEntry),
|
||||
dshash_memcmp,
|
||||
dshash_memhash
|
||||
|
|
@ -40,27 +40,31 @@ static dshash_parameters dsh_params = {
|
|||
*/
|
||||
|
||||
static Size
|
||||
pgsm_query_area_size(void) {
|
||||
Size sz = MAX_QUERY_BUF;
|
||||
pgsm_query_area_size(void)
|
||||
{
|
||||
Size sz = MAX_QUERY_BUF;
|
||||
#if USE_DYNAMIC_HASH
|
||||
/* Dynamic hash also lives DSA area */
|
||||
sz = add_size(sz, MAX_BUCKETS_MEM);
|
||||
/* Dynamic hash also lives DSA area */
|
||||
sz = add_size(sz, MAX_BUCKETS_MEM);
|
||||
#endif
|
||||
return MAXALIGN(sz);
|
||||
return MAXALIGN(sz);
|
||||
}
|
||||
|
||||
/*
|
||||
* Total shared memory area required by pgsm
|
||||
*/
|
||||
Size
|
||||
pgsm_ShmemSize(void) {
|
||||
Size sz = MAXALIGN(sizeof(pgsmSharedState));
|
||||
sz = add_size(sz, MAX_QUERY_BUF);
|
||||
pgsm_ShmemSize(void)
|
||||
{
|
||||
Size sz = MAXALIGN(sizeof(pgsmSharedState));
|
||||
|
||||
sz = add_size(sz, MAX_QUERY_BUF);
|
||||
#if USE_DYNAMIC_HASH
|
||||
sz = add_size(sz, MAX_BUCKETS_MEM);
|
||||
sz = add_size(sz, MAX_BUCKETS_MEM);
|
||||
#else
|
||||
sz = add_size(sz, hash_estimate_size(MAX_BUCKET_ENTRIES, sizeof(pgsmEntry)));
|
||||
sz = add_size(sz, hash_estimate_size(MAX_BUCKET_ENTRIES, sizeof(pgsmEntry)));
|
||||
#endif
|
||||
return MAXALIGN(sz);
|
||||
return MAXALIGN(sz);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -70,90 +74,94 @@ pgsm_ShmemSize(void) {
|
|||
* get allocated as a single shared memory chunk.
|
||||
*/
|
||||
static Size
|
||||
pgsm_get_shared_area_size(void) {
|
||||
Size sz;
|
||||
pgsm_get_shared_area_size(void)
|
||||
{
|
||||
Size sz;
|
||||
#if USE_DYNAMIC_HASH
|
||||
sz = pgsm_ShmemSize();
|
||||
sz = pgsm_ShmemSize();
|
||||
#else
|
||||
sz = MAXALIGN(sizeof(pgsmSharedState));
|
||||
sz = add_size(sz, pgsm_query_area_size());
|
||||
sz = MAXALIGN(sizeof(pgsmSharedState));
|
||||
sz = add_size(sz, pgsm_query_area_size());
|
||||
#endif
|
||||
return sz;
|
||||
return sz;
|
||||
}
|
||||
|
||||
void
|
||||
pgsm_startup(void)
|
||||
{
|
||||
bool found = false;
|
||||
pgsmSharedState *pgsm;
|
||||
/* reset in case this is a restart within the postmaster */
|
||||
pgsmStateLocal.dsa = NULL;
|
||||
pgsmStateLocal.shared_hash = NULL;
|
||||
pgsmStateLocal.shared_pgsmState = NULL;
|
||||
bool found = false;
|
||||
pgsmSharedState *pgsm;
|
||||
|
||||
/*
|
||||
* Create or attach to the shared memory state, including hash table
|
||||
*/
|
||||
LWLockAcquire(AddinShmemInitLock, LW_EXCLUSIVE);
|
||||
|
||||
pgsm = ShmemInitStruct("pg_stat_monitor", pgsm_get_shared_area_size(), &found);
|
||||
if (!found) {
|
||||
/* First time through ... */
|
||||
dsa_area *dsa;
|
||||
char *p = (char *) pgsm;
|
||||
|
||||
pgsm->pgsm_oom = false;
|
||||
pgsm->lock = &(GetNamedLWLockTranche("pg_stat_monitor"))->lock;
|
||||
SpinLockInit(&pgsm->mutex);
|
||||
InitializeSharedState(pgsm);
|
||||
/* the allocation of pgsmSharedState itself */
|
||||
p += MAXALIGN(sizeof(pgsmSharedState));
|
||||
pgsm->raw_dsa_area = p;
|
||||
dsa = dsa_create_in_place(pgsm->raw_dsa_area,
|
||||
pgsm_query_area_size(),
|
||||
LWLockNewTrancheId(), 0);
|
||||
dsa_pin(dsa);
|
||||
dsa_set_size_limit(dsa, pgsm_query_area_size());
|
||||
|
||||
pgsm->hash_handle = pgsm_create_bucket_hash(pgsm, dsa);
|
||||
/* reset in case this is a restart within the postmaster */
|
||||
pgsmStateLocal.dsa = NULL;
|
||||
pgsmStateLocal.shared_hash = NULL;
|
||||
pgsmStateLocal.shared_pgsmState = NULL;
|
||||
|
||||
/*
|
||||
* If overflow is enabled, set the DSA size to unlimited, and allow
|
||||
* the DSA to grow beyond the shared memory space into the swap area
|
||||
* Create or attach to the shared memory state, including hash table
|
||||
*/
|
||||
if (pgsm_enable_overflow)
|
||||
dsa_set_size_limit(dsa, -1);
|
||||
LWLockAcquire(AddinShmemInitLock, LW_EXCLUSIVE);
|
||||
|
||||
pgsmStateLocal.shared_pgsmState = pgsm;
|
||||
/*
|
||||
* Postmaster will never access the dsa again, thus free it's local
|
||||
* references.
|
||||
*/
|
||||
dsa_detach(dsa);
|
||||
}
|
||||
pgsm = ShmemInitStruct("pg_stat_monitor", pgsm_get_shared_area_size(), &found);
|
||||
if (!found)
|
||||
{
|
||||
/* First time through ... */
|
||||
dsa_area *dsa;
|
||||
char *p = (char *) pgsm;
|
||||
|
||||
pgsm->pgsm_oom = false;
|
||||
pgsm->lock = &(GetNamedLWLockTranche("pg_stat_monitor"))->lock;
|
||||
SpinLockInit(&pgsm->mutex);
|
||||
InitializeSharedState(pgsm);
|
||||
/* the allocation of pgsmSharedState itself */
|
||||
p += MAXALIGN(sizeof(pgsmSharedState));
|
||||
pgsm->raw_dsa_area = p;
|
||||
dsa = dsa_create_in_place(pgsm->raw_dsa_area,
|
||||
pgsm_query_area_size(),
|
||||
LWLockNewTrancheId(), 0);
|
||||
dsa_pin(dsa);
|
||||
dsa_set_size_limit(dsa, pgsm_query_area_size());
|
||||
|
||||
pgsm->hash_handle = pgsm_create_bucket_hash(pgsm, dsa);
|
||||
|
||||
/*
|
||||
* If overflow is enabled, set the DSA size to unlimited, and allow
|
||||
* the DSA to grow beyond the shared memory space into the swap area
|
||||
*/
|
||||
if (pgsm_enable_overflow)
|
||||
dsa_set_size_limit(dsa, -1);
|
||||
|
||||
pgsmStateLocal.shared_pgsmState = pgsm;
|
||||
|
||||
/*
|
||||
* Postmaster will never access the dsa again, thus free it's local
|
||||
* references.
|
||||
*/
|
||||
dsa_detach(dsa);
|
||||
}
|
||||
|
||||
#ifdef BENCHMARK
|
||||
init_hook_stats();
|
||||
init_hook_stats();
|
||||
#endif
|
||||
|
||||
LWLockRelease(AddinShmemInitLock);
|
||||
LWLockRelease(AddinShmemInitLock);
|
||||
|
||||
/*
|
||||
* If we're in the postmaster (or a standalone backend...), set up a shmem
|
||||
* exit hook to dump the statistics to disk.
|
||||
*/
|
||||
on_shmem_exit(pgsm_shmem_shutdown, (Datum) 0);
|
||||
/*
|
||||
* If we're in the postmaster (or a standalone backend...), set up a shmem
|
||||
* exit hook to dump the statistics to disk.
|
||||
*/
|
||||
on_shmem_exit(pgsm_shmem_shutdown, (Datum) 0);
|
||||
}
|
||||
|
||||
static void
|
||||
InitializeSharedState(pgsmSharedState * pgsm)
|
||||
{
|
||||
pg_atomic_init_u64(&pgsm->current_wbucket, 0);
|
||||
pg_atomic_init_u64(&pgsm->prev_bucket_sec, 0);
|
||||
memset(&pgsm->bucket_entry, 0, MAX_BUCKETS * sizeof(uint64));
|
||||
pgsm->pgsm_mem_cxt = AllocSetContextCreate(TopMemoryContext,
|
||||
"pg_stat_monitor local store",
|
||||
ALLOCSET_DEFAULT_SIZES);
|
||||
pg_atomic_init_u64(&pgsm->current_wbucket, 0);
|
||||
pg_atomic_init_u64(&pgsm->prev_bucket_sec, 0);
|
||||
memset(&pgsm->bucket_entry, 0, MAX_BUCKETS * sizeof(uint64));
|
||||
pgsm->pgsm_mem_cxt = AllocSetContextCreate(TopMemoryContext,
|
||||
"pg_stat_monitor local store",
|
||||
ALLOCSET_DEFAULT_SIZES);
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -161,24 +169,27 @@ InitializeSharedState(pgsmSharedState * pgsm)
|
|||
* Create the classic or dshahs hash table for storing the query statistics.
|
||||
*/
|
||||
static PGSM_HASH_TABLE_HANDLE
|
||||
pgsm_create_bucket_hash(pgsmSharedState * pgsm, dsa_area * dsa) {
|
||||
PGSM_HASH_TABLE_HANDLE bucket_hash;
|
||||
pgsm_create_bucket_hash(pgsmSharedState * pgsm, dsa_area *dsa)
|
||||
{
|
||||
PGSM_HASH_TABLE_HANDLE bucket_hash;
|
||||
|
||||
#if USE_DYNAMIC_HASH
|
||||
dshash_table *dsh;
|
||||
pgsm->hash_tranche_id = LWLockNewTrancheId();
|
||||
dsh_params.tranche_id = pgsm->hash_tranche_id;
|
||||
dsh = dshash_create(dsa, &dsh_params, 0);
|
||||
bucket_hash = dshash_get_hash_table_handle(dsh);
|
||||
dshash_detach(dsh);
|
||||
dshash_table *dsh;
|
||||
|
||||
pgsm->hash_tranche_id = LWLockNewTrancheId();
|
||||
dsh_params.tranche_id = pgsm->hash_tranche_id;
|
||||
dsh = dshash_create(dsa, &dsh_params, 0);
|
||||
bucket_hash = dshash_get_hash_table_handle(dsh);
|
||||
dshash_detach(dsh);
|
||||
#else
|
||||
HASHCTL info;
|
||||
memset(&info, 0, sizeof(info));
|
||||
info.keysize = sizeof(pgsmHashKey);
|
||||
info.entrysize = sizeof(pgsmEntry);
|
||||
bucket_hash = ShmemInitHash("pg_stat_monitor: bucket hashtable", MAX_BUCKET_ENTRIES, MAX_BUCKET_ENTRIES, &info, HASH_ELEM | HASH_BLOBS);
|
||||
HASHCTL info;
|
||||
|
||||
memset(&info, 0, sizeof(info));
|
||||
info.keysize = sizeof(pgsmHashKey);
|
||||
info.entrysize = sizeof(pgsmEntry);
|
||||
bucket_hash = ShmemInitHash("pg_stat_monitor: bucket hashtable", MAX_BUCKET_ENTRIES, MAX_BUCKET_ENTRIES, &info, HASH_ELEM | HASH_BLOBS);
|
||||
#endif
|
||||
return bucket_hash;
|
||||
return bucket_hash;
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -193,54 +204,56 @@ pgsm_create_bucket_hash(pgsmSharedState * pgsm, dsa_area * dsa) {
|
|||
void
|
||||
pgsm_attach_shmem(void)
|
||||
{
|
||||
MemoryContext oldcontext;
|
||||
if (pgsmStateLocal.dsa)
|
||||
return;
|
||||
MemoryContext oldcontext;
|
||||
|
||||
/*
|
||||
* We want the dsa to remain valid throughout the lifecycle of this
|
||||
* process. so switch to TopMemoryContext before attaching
|
||||
*/
|
||||
oldcontext = MemoryContextSwitchTo(TopMemoryContext);
|
||||
if (pgsmStateLocal.dsa)
|
||||
return;
|
||||
|
||||
pgsmStateLocal.dsa = dsa_attach_in_place(pgsmStateLocal.shared_pgsmState->raw_dsa_area,
|
||||
NULL);
|
||||
/*
|
||||
* pin the attached area to keep the area attached until end of session or
|
||||
* explicit detach.
|
||||
*/
|
||||
dsa_pin_mapping(pgsmStateLocal.dsa);
|
||||
/*
|
||||
* We want the dsa to remain valid throughout the lifecycle of this
|
||||
* process. so switch to TopMemoryContext before attaching
|
||||
*/
|
||||
oldcontext = MemoryContextSwitchTo(TopMemoryContext);
|
||||
|
||||
pgsmStateLocal.dsa = dsa_attach_in_place(pgsmStateLocal.shared_pgsmState->raw_dsa_area,
|
||||
NULL);
|
||||
|
||||
/*
|
||||
* pin the attached area to keep the area attached until end of session or
|
||||
* explicit detach.
|
||||
*/
|
||||
dsa_pin_mapping(pgsmStateLocal.dsa);
|
||||
|
||||
#if USE_DYNAMIC_HASH
|
||||
dsh_params.tranche_id = pgsmStateLocal.shared_pgsmState->hash_tranche_id;
|
||||
pgsmStateLocal.shared_hash = dshash_attach(pgsmStateLocal.dsa, &dsh_params,
|
||||
pgsmStateLocal.shared_pgsmState->hash_handle, 0);
|
||||
dsh_params.tranche_id = pgsmStateLocal.shared_pgsmState->hash_tranche_id;
|
||||
pgsmStateLocal.shared_hash = dshash_attach(pgsmStateLocal.dsa, &dsh_params,
|
||||
pgsmStateLocal.shared_pgsmState->hash_handle, 0);
|
||||
#else
|
||||
pgsmStateLocal.shared_hash = pgsmStateLocal.shared_pgsmState->hash_handle;
|
||||
pgsmStateLocal.shared_hash = pgsmStateLocal.shared_pgsmState->hash_handle;
|
||||
#endif
|
||||
|
||||
MemoryContextSwitchTo(oldcontext);
|
||||
MemoryContextSwitchTo(oldcontext);
|
||||
}
|
||||
|
||||
dsa_area *
|
||||
dsa_area *
|
||||
get_dsa_area_for_query_text(void)
|
||||
{
|
||||
pgsm_attach_shmem();
|
||||
return pgsmStateLocal.dsa;
|
||||
pgsm_attach_shmem();
|
||||
return pgsmStateLocal.dsa;
|
||||
}
|
||||
|
||||
PGSM_HASH_TABLE *
|
||||
get_pgsmHash(void)
|
||||
{
|
||||
pgsm_attach_shmem();
|
||||
return pgsmStateLocal.shared_hash;
|
||||
pgsm_attach_shmem();
|
||||
return pgsmStateLocal.shared_hash;
|
||||
}
|
||||
|
||||
pgsmSharedState *
|
||||
pgsm_get_ss(void)
|
||||
{
|
||||
pgsm_attach_shmem();
|
||||
return pgsmStateLocal.shared_pgsmState;
|
||||
pgsm_attach_shmem();
|
||||
return pgsmStateLocal.shared_pgsmState;
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -253,47 +266,49 @@ pgsm_get_ss(void)
|
|||
void
|
||||
pgsm_shmem_shutdown(int code, Datum arg)
|
||||
{
|
||||
/* Don't try to dump during a crash. */
|
||||
elog(LOG, "[pg_stat_monitor] pgsm_shmem_shutdown: Shutdown initiated.");
|
||||
/* Don't try to dump during a crash. */
|
||||
elog(LOG, "[pg_stat_monitor] pgsm_shmem_shutdown: Shutdown initiated.");
|
||||
|
||||
if (code)
|
||||
return;
|
||||
if (code)
|
||||
return;
|
||||
|
||||
pgsmStateLocal.shared_pgsmState = NULL;
|
||||
/* Safety check ... shouldn't get here unless shmem is set up. */
|
||||
if (!IsHashInitialize())
|
||||
return;
|
||||
pgsmStateLocal.shared_pgsmState = NULL;
|
||||
/* Safety check ... shouldn't get here unless shmem is set up. */
|
||||
if (!IsHashInitialize())
|
||||
return;
|
||||
}
|
||||
|
||||
pgsmEntry *
|
||||
pgsmEntry *
|
||||
hash_entry_alloc(pgsmSharedState * pgsm, pgsmHashKey * key, int encoding)
|
||||
{
|
||||
pgsmEntry *entry = NULL;
|
||||
bool found = false;
|
||||
/* Find or create an entry with desired hash code */
|
||||
entry = (pgsmEntry *) pgsm_hash_find_or_insert(pgsmStateLocal.shared_hash, key, &found);
|
||||
if (entry == NULL)
|
||||
elog(DEBUG1, "[pg_stat_monitor] hash_entry_alloc: OUT OF MEMORY.");
|
||||
else if (!found) {
|
||||
pgsm->bucket_entry[pg_atomic_read_u64(&pgsm->current_wbucket)]++;
|
||||
/* New entry, initialize it */
|
||||
/* reset the statistics */
|
||||
memset(&entry->counters, 0, sizeof(Counters));
|
||||
entry->query_text.query_pos = InvalidDsaPointer;
|
||||
entry->counters.info.parent_query = InvalidDsaPointer;
|
||||
pgsmEntry *entry = NULL;
|
||||
bool found = false;
|
||||
|
||||
/* set the appropriate initial usage count */
|
||||
/* re-initialize the mutex each time ... we assume no one using it */
|
||||
SpinLockInit(&entry->mutex);
|
||||
/* ... and don't forget the query text metadata */
|
||||
entry->encoding = encoding;
|
||||
}
|
||||
/* Find or create an entry with desired hash code */
|
||||
entry = (pgsmEntry *) pgsm_hash_find_or_insert(pgsmStateLocal.shared_hash, key, &found);
|
||||
if (entry == NULL)
|
||||
elog(DEBUG1, "[pg_stat_monitor] hash_entry_alloc: OUT OF MEMORY.");
|
||||
else if (!found)
|
||||
{
|
||||
pgsm->bucket_entry[pg_atomic_read_u64(&pgsm->current_wbucket)]++;
|
||||
/* New entry, initialize it */
|
||||
/* reset the statistics */
|
||||
memset(&entry->counters, 0, sizeof(Counters));
|
||||
entry->query_text.query_pos = InvalidDsaPointer;
|
||||
entry->counters.info.parent_query = InvalidDsaPointer;
|
||||
|
||||
/* set the appropriate initial usage count */
|
||||
/* re-initialize the mutex each time ... we assume no one using it */
|
||||
SpinLockInit(&entry->mutex);
|
||||
/* ... and don't forget the query text metadata */
|
||||
entry->encoding = encoding;
|
||||
}
|
||||
#if USE_DYNAMIC_HASH
|
||||
if (entry)
|
||||
dshash_release_lock(pgsmStateLocal.shared_hash, entry);
|
||||
if (entry)
|
||||
dshash_release_lock(pgsmStateLocal.shared_hash, entry);
|
||||
#endif
|
||||
|
||||
return entry;
|
||||
return entry;
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -311,52 +326,56 @@ hash_entry_alloc(pgsmSharedState * pgsm, pgsmHashKey * key, int encoding)
|
|||
void
|
||||
hash_entry_dealloc(int new_bucket_id, int old_bucket_id, unsigned char *query_buffer)
|
||||
{
|
||||
PGSM_HASH_SEQ_STATUS hstat;
|
||||
pgsmEntry *entry = NULL;
|
||||
/* Store pending query ids from the previous bucket. */
|
||||
PGSM_HASH_SEQ_STATUS hstat;
|
||||
pgsmEntry *entry = NULL;
|
||||
|
||||
if (!pgsmStateLocal.shared_hash)
|
||||
return;
|
||||
/* Store pending query ids from the previous bucket. */
|
||||
|
||||
/* Iterate over the hash table. */
|
||||
pgsm_hash_seq_init(&hstat, pgsmStateLocal.shared_hash, true);
|
||||
if (!pgsmStateLocal.shared_hash)
|
||||
return;
|
||||
|
||||
while ((entry = pgsm_hash_seq_next(&hstat)) != NULL) {
|
||||
dsa_pointer pdsa;
|
||||
/* Iterate over the hash table. */
|
||||
pgsm_hash_seq_init(&hstat, pgsmStateLocal.shared_hash, true);
|
||||
|
||||
/*
|
||||
* Remove all entries if new_bucket_id == -1. Otherwise remove entry
|
||||
* in new_bucket_id if it has finished already.
|
||||
*/
|
||||
if (new_bucket_id < 0 ||
|
||||
(entry->key.bucket_id == new_bucket_id)) {
|
||||
dsa_pointer parent_qdsa = entry->counters.info.parent_query;
|
||||
pdsa = entry->query_text.query_pos;
|
||||
while ((entry = pgsm_hash_seq_next(&hstat)) != NULL)
|
||||
{
|
||||
dsa_pointer pdsa;
|
||||
|
||||
pgsm_hash_delete_current(&hstat, pgsmStateLocal.shared_hash, &entry->key);
|
||||
/*
|
||||
* Remove all entries if new_bucket_id == -1. Otherwise remove entry
|
||||
* in new_bucket_id if it has finished already.
|
||||
*/
|
||||
if (new_bucket_id < 0 ||
|
||||
(entry->key.bucket_id == new_bucket_id))
|
||||
{
|
||||
dsa_pointer parent_qdsa = entry->counters.info.parent_query;
|
||||
|
||||
if (DsaPointerIsValid(pdsa))
|
||||
dsa_free(pgsmStateLocal.dsa, pdsa);
|
||||
pdsa = entry->query_text.query_pos;
|
||||
|
||||
if (DsaPointerIsValid(parent_qdsa))
|
||||
dsa_free(pgsmStateLocal.dsa, parent_qdsa);
|
||||
pgsm_hash_delete_current(&hstat, pgsmStateLocal.shared_hash, &entry->key);
|
||||
|
||||
pgsmStateLocal.shared_pgsmState->pgsm_oom = false;
|
||||
if (DsaPointerIsValid(pdsa))
|
||||
dsa_free(pgsmStateLocal.dsa, pdsa);
|
||||
|
||||
if (DsaPointerIsValid(parent_qdsa))
|
||||
dsa_free(pgsmStateLocal.dsa, parent_qdsa);
|
||||
|
||||
pgsmStateLocal.shared_pgsmState->pgsm_oom = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
pgsm_hash_seq_term(&hstat);
|
||||
pgsm_hash_seq_term(&hstat);
|
||||
}
|
||||
|
||||
bool
|
||||
IsHashInitialize(void)
|
||||
{
|
||||
return (pgsmStateLocal.shared_pgsmState != NULL);
|
||||
return (pgsmStateLocal.shared_pgsmState != NULL);
|
||||
}
|
||||
|
||||
bool
|
||||
IsSystemOOM(void)
|
||||
{
|
||||
return (IsHashInitialize() && pgsmStateLocal.shared_pgsmState->pgsm_oom);
|
||||
return (IsHashInitialize() && pgsmStateLocal.shared_pgsmState->pgsm_oom);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -364,25 +383,26 @@ IsSystemOOM(void)
|
|||
* API and call the appropriate hash table function based on USE_DYNAMIC_HASH
|
||||
*/
|
||||
|
||||
void *
|
||||
void *
|
||||
pgsm_hash_find_or_insert(PGSM_HASH_TABLE * shared_hash, pgsmHashKey * key, bool *found)
|
||||
{
|
||||
#if USE_DYNAMIC_HASH
|
||||
void *entry;
|
||||
entry = dshash_find_or_insert(shared_hash, key, found);
|
||||
return entry;
|
||||
void *entry;
|
||||
|
||||
entry = dshash_find_or_insert(shared_hash, key, found);
|
||||
return entry;
|
||||
#else
|
||||
return hash_search(shared_hash, key, HASH_ENTER_NULL, found);
|
||||
return hash_search(shared_hash, key, HASH_ENTER_NULL, found);
|
||||
#endif
|
||||
}
|
||||
|
||||
void *
|
||||
void *
|
||||
pgsm_hash_find(PGSM_HASH_TABLE * shared_hash, pgsmHashKey * key, bool *found)
|
||||
{
|
||||
#if USE_DYNAMIC_HASH
|
||||
return dshash_find(shared_hash, key, false);
|
||||
return dshash_find(shared_hash, key, false);
|
||||
#else
|
||||
return hash_search(shared_hash, key, HASH_FIND, found);
|
||||
return hash_search(shared_hash, key, HASH_FIND, found);
|
||||
#endif
|
||||
}
|
||||
|
||||
|
|
@ -390,19 +410,19 @@ void
|
|||
pgsm_hash_seq_init(PGSM_HASH_SEQ_STATUS * hstat, PGSM_HASH_TABLE * shared_hash, bool lock)
|
||||
{
|
||||
#if USE_DYNAMIC_HASH
|
||||
dshash_seq_init(hstat, shared_hash, lock);
|
||||
dshash_seq_init(hstat, shared_hash, lock);
|
||||
#else
|
||||
hash_seq_init(hstat, shared_hash);
|
||||
hash_seq_init(hstat, shared_hash);
|
||||
#endif
|
||||
}
|
||||
|
||||
void *
|
||||
void *
|
||||
pgsm_hash_seq_next(PGSM_HASH_SEQ_STATUS * hstat)
|
||||
{
|
||||
#if USE_DYNAMIC_HASH
|
||||
return dshash_seq_next(hstat);
|
||||
return dshash_seq_next(hstat);
|
||||
#else
|
||||
return hash_seq_search(hstat);
|
||||
return hash_seq_search(hstat);
|
||||
#endif
|
||||
}
|
||||
|
||||
|
|
@ -410,7 +430,7 @@ void
|
|||
pgsm_hash_seq_term(PGSM_HASH_SEQ_STATUS * hstat)
|
||||
{
|
||||
#if USE_DYNAMIC_HASH
|
||||
dshash_seq_term(hstat);
|
||||
dshash_seq_term(hstat);
|
||||
#endif
|
||||
}
|
||||
|
||||
|
|
@ -418,8 +438,8 @@ void
|
|||
pgsm_hash_delete_current(PGSM_HASH_SEQ_STATUS * hstat, PGSM_HASH_TABLE * shared_hash, void *key)
|
||||
{
|
||||
#if USE_DYNAMIC_HASH
|
||||
dshash_delete_current(hstat);
|
||||
dshash_delete_current(hstat);
|
||||
#else
|
||||
hash_search(shared_hash, key, HASH_REMOVE, NULL);
|
||||
hash_search(shared_hash, key, HASH_REMOVE, NULL);
|
||||
#endif
|
||||
}
|
||||
|
|
|
|||
5431
pg_stat_monitor.c
5431
pg_stat_monitor.c
File diff suppressed because it is too large
Load Diff
|
|
@ -66,16 +66,13 @@
|
|||
|
||||
/* XXX: Should USAGE_EXEC reflect execution time and/or buffer usage? */
|
||||
#define USAGE_EXEC(duration) (1.0)
|
||||
#define USAGE_INIT (1.0) /* including initial
|
||||
* planning */
|
||||
#define ASSUMED_LENGTH_INIT 1024 /* initial assumed mean query
|
||||
* length */
|
||||
#define USAGE_INIT (1.0) /* including initial planning */
|
||||
#define ASSUMED_LENGTH_INIT 1024 /* initial assumed mean query length */
|
||||
#define USAGE_DECREASE_FACTOR (0.99) /* decreased every entry_dealloc */
|
||||
#define STICKY_DECREASE_FACTOR (0.50) /* factor for sticky entries */
|
||||
#define USAGE_DEALLOC_PERCENT 5 /* free this % of entries at once */
|
||||
|
||||
#define JUMBLE_SIZE 1024 /* query serialization
|
||||
* buffer size */
|
||||
#define JUMBLE_SIZE 1024 /* query serialization buffer size */
|
||||
|
||||
#define HISTOGRAM_MAX_TIME 50000000
|
||||
#define MAX_RESPONSE_BUCKET 50
|
||||
|
|
@ -85,10 +82,9 @@
|
|||
#define ERROR_MESSAGE_LEN 100
|
||||
#define REL_TYPENAME_LEN 64
|
||||
#define REL_LST 10
|
||||
#define REL_LEN 132 /* REL_TYPENAME_LEN * 2
|
||||
* (relname + schema) + 1 (for
|
||||
* view indication) + 1 and
|
||||
* dot and string terminator */
|
||||
#define REL_LEN 132 /* REL_TYPENAME_LEN * 2 (relname + schema) + 1
|
||||
* (for view indication) + 1 and dot and
|
||||
* string terminator */
|
||||
#define CMD_LST 10
|
||||
#define CMD_LEN 20
|
||||
#define APPLICATIONNAME_LEN NAMEDATALEN
|
||||
|
|
@ -175,30 +171,32 @@ extern volatile bool __pgsm_do_not_capture_error;
|
|||
|
||||
|
||||
#if PG_VERSION_NUM < 130000
|
||||
typedef struct WalUsage {
|
||||
long wal_records; /* # of WAL records produced */
|
||||
long wal_fpi; /* # of WAL full page images produced */
|
||||
uint64 wal_bytes; /* size of WAL records produced */
|
||||
} WalUsage;
|
||||
typedef struct WalUsage
|
||||
{
|
||||
long wal_records; /* # of WAL records produced */
|
||||
long wal_fpi; /* # of WAL full page images produced */
|
||||
uint64 wal_bytes; /* size of WAL records produced */
|
||||
} WalUsage;
|
||||
#endif
|
||||
|
||||
|
||||
typedef enum pgsmStoreKind {
|
||||
PGSM_INVALID = -1,
|
||||
typedef enum pgsmStoreKind
|
||||
{
|
||||
PGSM_INVALID = -1,
|
||||
|
||||
/*
|
||||
* PGSM_PLAN and PGSM_EXEC must be respectively 0 and 1 as they're used to
|
||||
* reference the underlying values in the arrays in the Counters struct,
|
||||
* and this order is required in pg_stat_monitor_internal().
|
||||
*/
|
||||
PGSM_PARSE = 0,
|
||||
PGSM_PLAN,
|
||||
PGSM_EXEC,
|
||||
PGSM_STORE,
|
||||
PGSM_ERROR,
|
||||
/*
|
||||
* PGSM_PLAN and PGSM_EXEC must be respectively 0 and 1 as they're used to
|
||||
* reference the underlying values in the arrays in the Counters struct,
|
||||
* and this order is required in pg_stat_monitor_internal().
|
||||
*/
|
||||
PGSM_PARSE = 0,
|
||||
PGSM_PLAN,
|
||||
PGSM_EXEC,
|
||||
PGSM_STORE,
|
||||
PGSM_ERROR,
|
||||
|
||||
PGSM_NUMKIND /* Must be last value of this enum */
|
||||
} pgsmStoreKind;
|
||||
PGSM_NUMKIND /* Must be last value of this enum */
|
||||
} pgsmStoreKind;
|
||||
|
||||
/* the assumption of query max nested level */
|
||||
#define DEFAULT_MAX_NESTED_LEVEL 10
|
||||
|
|
@ -206,297 +204,316 @@ typedef enum pgsmStoreKind {
|
|||
/*
|
||||
* Type of aggregate keys
|
||||
*/
|
||||
typedef enum AGG_KEY {
|
||||
AGG_KEY_DATABASE = 0,
|
||||
AGG_KEY_USER,
|
||||
AGG_KEY_HOST
|
||||
} AGG_KEY;
|
||||
typedef enum AGG_KEY
|
||||
{
|
||||
AGG_KEY_DATABASE = 0,
|
||||
AGG_KEY_USER,
|
||||
AGG_KEY_HOST
|
||||
} AGG_KEY;
|
||||
|
||||
#define MAX_QUERY_LEN 1024
|
||||
|
||||
/* shared memory storage for the query */
|
||||
typedef struct CallTime {
|
||||
double total_time; /* total execution time, in msec */
|
||||
double min_time; /* minimum execution time in msec */
|
||||
double max_time; /* maximum execution time in msec */
|
||||
double mean_time; /* mean execution time in msec */
|
||||
double sum_var_time; /* sum of variances in execution time in msec */
|
||||
} CallTime;
|
||||
typedef struct CallTime
|
||||
{
|
||||
double total_time; /* total execution time, in msec */
|
||||
double min_time; /* minimum execution time in msec */
|
||||
double max_time; /* maximum execution time in msec */
|
||||
double mean_time; /* mean execution time in msec */
|
||||
double sum_var_time; /* sum of variances in execution time in msec */
|
||||
} CallTime;
|
||||
|
||||
|
||||
typedef struct PlanInfo {
|
||||
uint64 planid; /* plan identifier */
|
||||
char plan_text[PLAN_TEXT_LEN]; /* plan text */
|
||||
size_t plan_len; /* strlen(plan_text) */
|
||||
} PlanInfo;
|
||||
typedef struct PlanInfo
|
||||
{
|
||||
uint64 planid; /* plan identifier */
|
||||
char plan_text[PLAN_TEXT_LEN]; /* plan text */
|
||||
size_t plan_len; /* strlen(plan_text) */
|
||||
} PlanInfo;
|
||||
|
||||
typedef struct pgsmHashKey {
|
||||
uint64 bucket_id; /* bucket number */
|
||||
uint64 queryid; /* query identifier */
|
||||
uint64 planid; /* plan identifier */
|
||||
uint64 appid; /* hash of application name */
|
||||
Oid userid; /* user OID */
|
||||
Oid dbid; /* database OID */
|
||||
uint32 ip; /* client ip address */
|
||||
bool toplevel; /* query executed at top level */
|
||||
} pgsmHashKey;
|
||||
typedef struct pgsmHashKey
|
||||
{
|
||||
uint64 bucket_id; /* bucket number */
|
||||
uint64 queryid; /* query identifier */
|
||||
uint64 planid; /* plan identifier */
|
||||
uint64 appid; /* hash of application name */
|
||||
Oid userid; /* user OID */
|
||||
Oid dbid; /* database OID */
|
||||
uint32 ip; /* client ip address */
|
||||
bool toplevel; /* query executed at top level */
|
||||
} pgsmHashKey;
|
||||
|
||||
typedef struct QueryInfo {
|
||||
uint64 parentid; /* parent queryid of current query */
|
||||
dsa_pointer parent_query;
|
||||
int64 type; /* type of query, options are query, info,
|
||||
* warning, error, fatal */
|
||||
char application_name[APPLICATIONNAME_LEN];
|
||||
char comments[COMMENTS_LEN];
|
||||
char relations[REL_LST][REL_LEN]; /* List of relation involved
|
||||
* in the query */
|
||||
int num_relations; /* Number of relation in the query */
|
||||
CmdType cmd_type; /* query command type
|
||||
* SELECT/UPDATE/DELETE/INSERT */
|
||||
} QueryInfo;
|
||||
typedef struct QueryInfo
|
||||
{
|
||||
uint64 parentid; /* parent queryid of current query */
|
||||
dsa_pointer parent_query;
|
||||
int64 type; /* type of query, options are query, info,
|
||||
* warning, error, fatal */
|
||||
char application_name[APPLICATIONNAME_LEN];
|
||||
char comments[COMMENTS_LEN];
|
||||
char relations[REL_LST][REL_LEN]; /* List of relation involved
|
||||
* in the query */
|
||||
int num_relations; /* Number of relation in the query */
|
||||
CmdType cmd_type; /* query command type
|
||||
* SELECT/UPDATE/DELETE/INSERT */
|
||||
} QueryInfo;
|
||||
|
||||
typedef struct ErrorInfo {
|
||||
int64 elevel; /* error elevel */
|
||||
char sqlcode[SQLCODE_LEN]; /* error sqlcode */
|
||||
char message[ERROR_MESSAGE_LEN]; /* error message text */
|
||||
} ErrorInfo;
|
||||
typedef struct ErrorInfo
|
||||
{
|
||||
int64 elevel; /* error elevel */
|
||||
char sqlcode[SQLCODE_LEN]; /* error sqlcode */
|
||||
char message[ERROR_MESSAGE_LEN]; /* error message text */
|
||||
} ErrorInfo;
|
||||
|
||||
typedef struct Calls {
|
||||
int64 calls; /* # of times executed */
|
||||
int64 rows; /* total # of retrieved or affected rows */
|
||||
double usage; /* usage factor */
|
||||
} Calls;
|
||||
typedef struct Calls
|
||||
{
|
||||
int64 calls; /* # of times executed */
|
||||
int64 rows; /* total # of retrieved or affected rows */
|
||||
double usage; /* usage factor */
|
||||
} Calls;
|
||||
|
||||
|
||||
typedef struct Blocks {
|
||||
int64 shared_blks_hit; /* # of shared buffer hits */
|
||||
int64 shared_blks_read; /* # of shared disk blocks read */
|
||||
int64 shared_blks_dirtied; /* # of shared disk blocks dirtied */
|
||||
int64 shared_blks_written; /* # of shared disk blocks written */
|
||||
int64 local_blks_hit; /* # of local buffer hits */
|
||||
int64 local_blks_read; /* # of local disk blocks read */
|
||||
int64 local_blks_dirtied; /* # of local disk blocks dirtied */
|
||||
int64 local_blks_written; /* # of local disk blocks written */
|
||||
int64 temp_blks_read; /* # of temp blocks read */
|
||||
int64 temp_blks_written; /* # of temp blocks written */
|
||||
double blk_read_time; /* time spent reading, in msec */
|
||||
double blk_write_time; /* time spent writing, in msec */
|
||||
typedef struct Blocks
|
||||
{
|
||||
int64 shared_blks_hit; /* # of shared buffer hits */
|
||||
int64 shared_blks_read; /* # of shared disk blocks read */
|
||||
int64 shared_blks_dirtied; /* # of shared disk blocks dirtied */
|
||||
int64 shared_blks_written; /* # of shared disk blocks written */
|
||||
int64 local_blks_hit; /* # of local buffer hits */
|
||||
int64 local_blks_read; /* # of local disk blocks read */
|
||||
int64 local_blks_dirtied; /* # of local disk blocks dirtied */
|
||||
int64 local_blks_written; /* # of local disk blocks written */
|
||||
int64 temp_blks_read; /* # of temp blocks read */
|
||||
int64 temp_blks_written; /* # of temp blocks written */
|
||||
double blk_read_time; /* time spent reading, in msec */
|
||||
double blk_write_time; /* time spent writing, in msec */
|
||||
|
||||
double temp_blk_read_time; /* time spent reading temp blocks, in
|
||||
* msec */
|
||||
double temp_blk_write_time; /* time spent writing temp blocks, in
|
||||
* msec */
|
||||
double temp_blk_read_time; /* time spent reading temp blocks, in msec */
|
||||
double temp_blk_write_time; /* time spent writing temp blocks, in
|
||||
* msec */
|
||||
|
||||
/*
|
||||
* Variables for local entry. The values to be passed to pgsm_update_entry
|
||||
* from pgsm_store.
|
||||
*/
|
||||
instr_time instr_blk_read_time; /* time spent reading blocks */
|
||||
instr_time instr_blk_write_time; /* time spent writing blocks */
|
||||
instr_time instr_temp_blk_read_time; /* time spent reading temp
|
||||
* blocks */
|
||||
instr_time instr_temp_blk_write_time; /* time spent writing temp
|
||||
* blocks */
|
||||
} Blocks;
|
||||
/*
|
||||
* Variables for local entry. The values to be passed to pgsm_update_entry
|
||||
* from pgsm_store.
|
||||
*/
|
||||
instr_time instr_blk_read_time; /* time spent reading blocks */
|
||||
instr_time instr_blk_write_time; /* time spent writing blocks */
|
||||
instr_time instr_temp_blk_read_time; /* time spent reading temp blocks */
|
||||
instr_time instr_temp_blk_write_time; /* time spent writing temp blocks */
|
||||
} Blocks;
|
||||
|
||||
typedef struct JitInfo {
|
||||
int64 jit_functions; /* total number of JIT functions emitted */
|
||||
double jit_generation_time; /* total time to generate jit code */
|
||||
int64 jit_inlining_count; /* number of times inlining time has
|
||||
* been > 0 */
|
||||
double jit_inlining_time; /* total time to inline jit code */
|
||||
int64 jit_optimization_count; /* number of times optimization time
|
||||
* has been > 0 */
|
||||
double jit_optimization_time; /* total time to optimize jit code */
|
||||
int64 jit_emission_count; /* number of times emission time has
|
||||
* been > 0 */
|
||||
double jit_emission_time; /* total time to emit jit code */
|
||||
typedef struct JitInfo
|
||||
{
|
||||
int64 jit_functions; /* total number of JIT functions emitted */
|
||||
double jit_generation_time; /* total time to generate jit code */
|
||||
int64 jit_inlining_count; /* number of times inlining time has been
|
||||
* > 0 */
|
||||
double jit_inlining_time; /* total time to inline jit code */
|
||||
int64 jit_optimization_count; /* number of times optimization time
|
||||
* has been > 0 */
|
||||
double jit_optimization_time; /* total time to optimize jit code */
|
||||
int64 jit_emission_count; /* number of times emission time has been
|
||||
* > 0 */
|
||||
double jit_emission_time; /* total time to emit jit code */
|
||||
|
||||
/*
|
||||
* Variables for local entry. The values to be passed to pgsm_update_entry
|
||||
* from pgsm_store.
|
||||
*/
|
||||
instr_time instr_generation_counter; /* generation counter */
|
||||
instr_time instr_inlining_counter; /* inlining counter */
|
||||
instr_time instr_optimization_counter; /* optimization counter */
|
||||
instr_time instr_emission_counter; /* emission counter */
|
||||
} JitInfo;
|
||||
/*
|
||||
* Variables for local entry. The values to be passed to pgsm_update_entry
|
||||
* from pgsm_store.
|
||||
*/
|
||||
instr_time instr_generation_counter; /* generation counter */
|
||||
instr_time instr_inlining_counter; /* inlining counter */
|
||||
instr_time instr_optimization_counter; /* optimization counter */
|
||||
instr_time instr_emission_counter; /* emission counter */
|
||||
} JitInfo;
|
||||
|
||||
typedef struct SysInfo {
|
||||
double utime; /* user cpu time */
|
||||
double stime; /* system cpu time */
|
||||
} SysInfo;
|
||||
typedef struct SysInfo
|
||||
{
|
||||
double utime; /* user cpu time */
|
||||
double stime; /* system cpu time */
|
||||
} SysInfo;
|
||||
|
||||
typedef struct Wal_Usage {
|
||||
int64 wal_records; /* # of WAL records generated */
|
||||
int64 wal_fpi; /* # of WAL full page images generated */
|
||||
uint64 wal_bytes; /* total amount of WAL bytes generated */
|
||||
} Wal_Usage;
|
||||
typedef struct Wal_Usage
|
||||
{
|
||||
int64 wal_records; /* # of WAL records generated */
|
||||
int64 wal_fpi; /* # of WAL full page images generated */
|
||||
uint64 wal_bytes; /* total amount of WAL bytes generated */
|
||||
} Wal_Usage;
|
||||
|
||||
typedef struct Counters {
|
||||
Calls calls;
|
||||
QueryInfo info;
|
||||
CallTime time;
|
||||
typedef struct Counters
|
||||
{
|
||||
Calls calls;
|
||||
QueryInfo info;
|
||||
CallTime time;
|
||||
|
||||
Calls plancalls;
|
||||
CallTime plantime;
|
||||
PlanInfo planinfo;
|
||||
Calls plancalls;
|
||||
CallTime plantime;
|
||||
PlanInfo planinfo;
|
||||
|
||||
Blocks blocks;
|
||||
SysInfo sysinfo;
|
||||
JitInfo jitinfo;
|
||||
ErrorInfo error;
|
||||
Wal_Usage walusage;
|
||||
int resp_calls[MAX_RESPONSE_BUCKET]; /* execution time's in
|
||||
* msec */
|
||||
} Counters;
|
||||
Blocks blocks;
|
||||
SysInfo sysinfo;
|
||||
JitInfo jitinfo;
|
||||
ErrorInfo error;
|
||||
Wal_Usage walusage;
|
||||
int resp_calls[MAX_RESPONSE_BUCKET]; /* execution time's in
|
||||
* msec */
|
||||
} Counters;
|
||||
|
||||
/* Some global structure to get the cpu usage, really don't like the idea of global variable */
|
||||
|
||||
/*
|
||||
* Statistics per statement
|
||||
*/
|
||||
typedef struct pgsmEntry {
|
||||
pgsmHashKey key; /* hash key of entry - MUST BE FIRST */
|
||||
uint64 pgsm_query_id; /* pgsm generate normalized query hash */
|
||||
char datname[NAMEDATALEN]; /* database name */
|
||||
char username[NAMEDATALEN]; /* user name */
|
||||
Counters counters; /* the statistics for this query */
|
||||
int encoding; /* query text encoding */
|
||||
slock_t mutex; /* protects the counters only */
|
||||
union {
|
||||
dsa_pointer query_pos; /* query location within query buffer */
|
||||
char *query_pointer;
|
||||
} query_text;
|
||||
} pgsmEntry;
|
||||
typedef struct pgsmEntry
|
||||
{
|
||||
pgsmHashKey key; /* hash key of entry - MUST BE FIRST */
|
||||
uint64 pgsm_query_id; /* pgsm generate normalized query hash */
|
||||
char datname[NAMEDATALEN]; /* database name */
|
||||
char username[NAMEDATALEN]; /* user name */
|
||||
Counters counters; /* the statistics for this query */
|
||||
int encoding; /* query text encoding */
|
||||
slock_t mutex; /* protects the counters only */
|
||||
union
|
||||
{
|
||||
dsa_pointer query_pos; /* query location within query buffer */
|
||||
char *query_pointer;
|
||||
} query_text;
|
||||
} pgsmEntry;
|
||||
|
||||
/*
|
||||
* Global shared state
|
||||
*/
|
||||
typedef struct pgsmSharedState {
|
||||
LWLock *lock; /* protects hashtable search/modification */
|
||||
slock_t mutex; /* protects following fields only: */
|
||||
pg_atomic_uint64 current_wbucket;
|
||||
pg_atomic_uint64 prev_bucket_sec;
|
||||
uint64 bucket_entry[MAX_BUCKETS];
|
||||
TimestampTz bucket_start_time[MAX_BUCKETS]; /* start time of the bucket */
|
||||
int hash_tranche_id;
|
||||
void *raw_dsa_area; /* DSA area pointer to store query texts.
|
||||
* dshash also lives in this memory when
|
||||
* USE_DYNAMIC_HASH is enabled */
|
||||
PGSM_HASH_TABLE_HANDLE hash_handle;
|
||||
/*
|
||||
* hash table handle. can be either classic shared memory hash or dshash
|
||||
* (if we are using USE_DYNAMIC_HASH)
|
||||
*/
|
||||
MemoryContext pgsm_mem_cxt;
|
||||
/*
|
||||
* context to store stats in local memory until they are pushed to shared
|
||||
* hash
|
||||
*/
|
||||
int resp_calls[MAX_RESPONSE_BUCKET + 2]; /* execution time's in
|
||||
* msec; including 2
|
||||
* outlier buckets */
|
||||
bool pgsm_oom;
|
||||
} pgsmSharedState;
|
||||
typedef struct pgsmSharedState
|
||||
{
|
||||
LWLock *lock; /* protects hashtable search/modification */
|
||||
slock_t mutex; /* protects following fields only: */
|
||||
pg_atomic_uint64 current_wbucket;
|
||||
pg_atomic_uint64 prev_bucket_sec;
|
||||
uint64 bucket_entry[MAX_BUCKETS];
|
||||
TimestampTz bucket_start_time[MAX_BUCKETS]; /* start time of the bucket */
|
||||
int hash_tranche_id;
|
||||
void *raw_dsa_area; /* DSA area pointer to store query texts.
|
||||
* dshash also lives in this memory when
|
||||
* USE_DYNAMIC_HASH is enabled */
|
||||
PGSM_HASH_TABLE_HANDLE hash_handle;
|
||||
|
||||
typedef struct pgsmLocalState {
|
||||
pgsmSharedState *shared_pgsmState;
|
||||
dsa_area *dsa; /* local dsa area for backend attached to the
|
||||
* dsa area created by postmaster at startup. */
|
||||
PGSM_HASH_TABLE *shared_hash;
|
||||
} pgsmLocalState;
|
||||
/*
|
||||
* hash table handle. can be either classic shared memory hash or dshash
|
||||
* (if we are using USE_DYNAMIC_HASH)
|
||||
*/
|
||||
MemoryContext pgsm_mem_cxt;
|
||||
|
||||
/*
|
||||
* context to store stats in local memory until they are pushed to shared
|
||||
* hash
|
||||
*/
|
||||
int resp_calls[MAX_RESPONSE_BUCKET + 2]; /* execution time's in
|
||||
* msec; including 2
|
||||
* outlier buckets */
|
||||
bool pgsm_oom;
|
||||
} pgsmSharedState;
|
||||
|
||||
typedef struct pgsmLocalState
|
||||
{
|
||||
pgsmSharedState *shared_pgsmState;
|
||||
dsa_area *dsa; /* local dsa area for backend attached to the
|
||||
* dsa area created by postmaster at startup. */
|
||||
PGSM_HASH_TABLE *shared_hash;
|
||||
} pgsmLocalState;
|
||||
|
||||
#if PG_VERSION_NUM < 140000
|
||||
/*
|
||||
* Struct for tracking locations/lengths of constants during normalization
|
||||
*/
|
||||
typedef struct LocationLen {
|
||||
int location; /* start offset in query text */
|
||||
int length; /* length in bytes, or -1 to ignore */
|
||||
} LocationLen;
|
||||
typedef struct LocationLen
|
||||
{
|
||||
int location; /* start offset in query text */
|
||||
int length; /* length in bytes, or -1 to ignore */
|
||||
} LocationLen;
|
||||
|
||||
/*
|
||||
* Working state for computing a query jumble and producing a normalized
|
||||
* query string
|
||||
*/
|
||||
typedef struct JumbleState {
|
||||
/* Jumble of current query tree */
|
||||
unsigned char *jumble;
|
||||
typedef struct JumbleState
|
||||
{
|
||||
/* Jumble of current query tree */
|
||||
unsigned char *jumble;
|
||||
|
||||
/* Number of bytes used in jumble[] */
|
||||
Size jumble_len;
|
||||
/* Number of bytes used in jumble[] */
|
||||
Size jumble_len;
|
||||
|
||||
/* Array of locations of constants that should be removed */
|
||||
LocationLen *clocations;
|
||||
/* Array of locations of constants that should be removed */
|
||||
LocationLen *clocations;
|
||||
|
||||
/* Allocated length of clocations array */
|
||||
int clocations_buf_size;
|
||||
/* Allocated length of clocations array */
|
||||
int clocations_buf_size;
|
||||
|
||||
/* Current number of valid entries in clocations array */
|
||||
int clocations_count;
|
||||
/* Current number of valid entries in clocations array */
|
||||
int clocations_count;
|
||||
|
||||
/* highest Param id we've seen, in order to start normalization correctly */
|
||||
int highest_extern_param_id;
|
||||
} JumbleState;
|
||||
/* highest Param id we've seen, in order to start normalization correctly */
|
||||
int highest_extern_param_id;
|
||||
} JumbleState;
|
||||
#endif
|
||||
|
||||
/* guc.c */
|
||||
void init_guc(void);
|
||||
void init_guc(void);
|
||||
|
||||
/* hash_create.c */
|
||||
dsa_area *get_dsa_area_for_query_text(void);
|
||||
PGSM_HASH_TABLE *get_pgsmHash(void);
|
||||
|
||||
void pgsm_attach_shmem(void);
|
||||
bool IsHashInitialize(void);
|
||||
bool IsSystemOOM(void);
|
||||
void pgsm_shmem_startup(void);
|
||||
void pgsm_shmem_shutdown(int code, Datum arg);
|
||||
int pgsm_get_bucket_size(void);
|
||||
void pgsm_attach_shmem(void);
|
||||
bool IsHashInitialize(void);
|
||||
bool IsSystemOOM(void);
|
||||
void pgsm_shmem_startup(void);
|
||||
void pgsm_shmem_shutdown(int code, Datum arg);
|
||||
int pgsm_get_bucket_size(void);
|
||||
pgsmSharedState *pgsm_get_ss(void);
|
||||
void hash_query_entries();
|
||||
void hash_query_entry_dealloc(int new_bucket_id, int old_bucket_id, unsigned char *query_buffer[]);
|
||||
void hash_entry_dealloc(int new_bucket_id, int old_bucket_id, unsigned char *query_buffer);
|
||||
void hash_query_entries();
|
||||
void hash_query_entry_dealloc(int new_bucket_id, int old_bucket_id, unsigned char *query_buffer[]);
|
||||
void hash_entry_dealloc(int new_bucket_id, int old_bucket_id, unsigned char *query_buffer);
|
||||
pgsmEntry *hash_entry_alloc(pgsmSharedState * pgsm, pgsmHashKey * key, int encoding);
|
||||
Size pgsm_ShmemSize(void);
|
||||
void pgsm_startup(void);
|
||||
Size pgsm_ShmemSize(void);
|
||||
void pgsm_startup(void);
|
||||
|
||||
/* hash_query.c */
|
||||
void pgsm_startup(void);
|
||||
void pgsm_startup(void);
|
||||
|
||||
/* guc.c */
|
||||
void init_guc(void);
|
||||
void init_guc(void);
|
||||
|
||||
/* GUC variables*/
|
||||
/*---- GUC variables ----*/
|
||||
typedef enum {
|
||||
PSGM_TRACK_NONE = 0, /* track no statements */
|
||||
PGSM_TRACK_TOP, /* only top level statements */
|
||||
PGSM_TRACK_ALL /* all statements, including nested ones */
|
||||
} PGSMTrackLevel;
|
||||
typedef enum
|
||||
{
|
||||
PSGM_TRACK_NONE = 0, /* track no statements */
|
||||
PGSM_TRACK_TOP, /* only top level statements */
|
||||
PGSM_TRACK_ALL /* all statements, including nested ones */
|
||||
} PGSMTrackLevel;
|
||||
static const struct config_enum_entry track_options[] =
|
||||
{
|
||||
{"none", PSGM_TRACK_NONE, false},
|
||||
{"top", PGSM_TRACK_TOP, false},
|
||||
{"all", PGSM_TRACK_ALL, false},
|
||||
{NULL, 0, false}
|
||||
{"none", PSGM_TRACK_NONE, false},
|
||||
{"top", PGSM_TRACK_TOP, false},
|
||||
{"all", PGSM_TRACK_ALL, false},
|
||||
{NULL, 0, false}
|
||||
};
|
||||
|
||||
typedef enum {
|
||||
HISTOGRAM_START,
|
||||
HISTOGRAM_END,
|
||||
HISTOGRAM_COUNT
|
||||
} HistogramTimingType;
|
||||
typedef enum
|
||||
{
|
||||
HISTOGRAM_START,
|
||||
HISTOGRAM_END,
|
||||
HISTOGRAM_COUNT
|
||||
} HistogramTimingType;
|
||||
|
||||
extern int pgsm_max;
|
||||
extern int pgsm_query_max_len;
|
||||
extern int pgsm_bucket_time;
|
||||
extern int pgsm_max_buckets;
|
||||
extern int pgsm_histogram_buckets;
|
||||
extern int pgsm_max;
|
||||
extern int pgsm_query_max_len;
|
||||
extern int pgsm_bucket_time;
|
||||
extern int pgsm_max_buckets;
|
||||
extern int pgsm_histogram_buckets;
|
||||
extern double pgsm_histogram_min;
|
||||
extern double pgsm_histogram_max;
|
||||
extern int pgsm_query_shared_buffer;
|
||||
extern int pgsm_query_shared_buffer;
|
||||
extern bool pgsm_track_planning;
|
||||
extern bool pgsm_extract_comments;
|
||||
extern bool pgsm_enable_query_plan;
|
||||
|
|
@ -504,7 +521,7 @@ extern bool pgsm_enable_overflow;
|
|||
extern bool pgsm_normalized_query;
|
||||
extern bool pgsm_track_utility;
|
||||
extern bool pgsm_enable_pgsm_query_id;
|
||||
extern int pgsm_track;
|
||||
extern int pgsm_track;
|
||||
|
||||
#define DECLARE_HOOK(hook, ...) \
|
||||
static hook(__VA_ARGS__);
|
||||
|
|
@ -514,7 +531,7 @@ extern int pgsm_track;
|
|||
|
||||
void *pgsm_hash_find_or_insert(PGSM_HASH_TABLE * shared_hash, pgsmHashKey * key, bool *found);
|
||||
void *pgsm_hash_find(PGSM_HASH_TABLE * shared_hash, pgsmHashKey * key, bool *found);
|
||||
void pgsm_hash_seq_init(PGSM_HASH_SEQ_STATUS * hstat, PGSM_HASH_TABLE * shared_hash, bool lock);
|
||||
void pgsm_hash_seq_init(PGSM_HASH_SEQ_STATUS * hstat, PGSM_HASH_TABLE * shared_hash, bool lock);
|
||||
void *pgsm_hash_seq_next(PGSM_HASH_SEQ_STATUS * hstat);
|
||||
void pgsm_hash_seq_term(PGSM_HASH_SEQ_STATUS * hstat);
|
||||
void pgsm_hash_delete_current(PGSM_HASH_SEQ_STATUS * hstat, PGSM_HASH_TABLE * shared_hash, void *key);
|
||||
void pgsm_hash_seq_term(PGSM_HASH_SEQ_STATUS * hstat);
|
||||
void pgsm_hash_delete_current(PGSM_HASH_SEQ_STATUS * hstat, PGSM_HASH_TABLE * shared_hash, void *key);
|
||||
|
|
|
|||
Loading…
Reference in New Issue