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pg_stat_monitor/guc.c

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/*-------------------------------------------------------------------------
*
* guc.c: guc variable handling of pg_stat_monitor
*
* Portions Copyright © 2018-2020, Percona LLC and/or its affiliates
*
* Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
*
* Portions Copyright (c) 1994, The Regents of the University of California
*
*
* IDENTIFICATION
* contrib/pg_stat_monitor/guc.c
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "pg_stat_monitor.h"
GucVariable conf[13];
/*
* Define (or redefine) custom GUC variables.
*/
void
init_guc(void)
{
int i = 0;
conf[i++] = (GucVariable) {
.guc_name = "pg_stat_monitor.pgsm_max",
.guc_desc = "Sets the maximum size of shared memory in (MB) used for statement's metadata tracked by pg_stat_monitor.",
.guc_default = 100,
.guc_min = 1,
.guc_max = 1000,
.guc_restart = true
};
conf[i++] = (GucVariable) {
.guc_name = "pg_stat_monitor.pgsm_query_max_len",
.guc_desc = "Sets the maximum length of query.",
.guc_default = 1024,
.guc_min = 1024,
.guc_max = INT_MAX,
.guc_restart = true
};
conf[i++] = (GucVariable) {
.guc_name = "pg_stat_monitor.pgsm_enable",
.guc_desc = "Enable/Disable statistics collector.",
.guc_default = 1,
.guc_min = 0,
.guc_max = 0,
.guc_restart = true
};
conf[i++] = (GucVariable) {
.guc_name = "pg_stat_monitor.pgsm_track_utility",
.guc_desc = "Selects whether utility commands are tracked.",
.guc_default = 0,
.guc_min = 0,
.guc_max = 0,
.guc_restart = false
};
conf[i++] = (GucVariable) {
.guc_name = "pg_stat_monitor.pgsm_normalized_query",
.guc_desc = "Selects whether save query in normalized format.",
.guc_default = 1,
.guc_min = 0,
.guc_max = 0,
.guc_restart = false
};
conf[i++] = (GucVariable) {
.guc_name = "pg_stat_monitor.pgsm_max_buckets",
.guc_desc = "Sets the maximum number of buckets.",
.guc_default = 10,
.guc_min = 1,
.guc_max = 10,
.guc_restart = true
};
conf[i++] = (GucVariable) {
.guc_name = "pg_stat_monitor.pgsm_bucket_time",
.guc_desc = "Sets the time in seconds per bucket.",
.guc_default = 60,
.guc_min = 1,
.guc_max = INT_MAX,
.guc_restart = true
};
conf[i++] = (GucVariable) {
.guc_name = "pg_stat_monitor.pgsm_histogram_min",
.guc_desc = "Sets the time in millisecond.",
.guc_default = 0,
.guc_min = 0,
.guc_max = INT_MAX,
.guc_restart = true
};
conf[i++] = (GucVariable) {
.guc_name = "pg_stat_monitor.pgsm_histogram_max",
.guc_desc = "Sets the time in millisecond.",
.guc_default = 10,
.guc_min = 10,
.guc_max = INT_MAX,
.guc_restart = true
};
conf[i++] = (GucVariable) {
.guc_name = "pg_stat_monitor.pgsm_histogram_buckets",
.guc_desc = "Sets the maximum number of histogram buckets",
.guc_default = 10,
.guc_min = 2,
.guc_max = INT_MAX,
.guc_restart = true
};
conf[i++] = (GucVariable) {
.guc_name = "pg_stat_monitor.pgsm_query_shared_buffer",
.guc_desc = "Sets the maximum size of shared memory in (MB) used for query tracked by pg_stat_monitor.",
.guc_default = 20,
.guc_min = 1,
.guc_max = 10000,
.guc_restart = true
};
#if PG_VERSION_NUM >= 130000
conf[i++] = (GucVariable) {
.guc_name = "pg_stat_monitor.pgsm_track_planning",
.guc_desc = "Selects whether planning statistics are tracked.",
.guc_default = 1,
.guc_min = 0,
.guc_max = 0,
.guc_restart = false
};
#endif
DefineCustomIntVariable("pg_stat_monitor.pgsm_max",
"Sets the maximum size of shared memory in (MB) used for statement's metadata tracked by pg_stat_monitor.",
NULL,
&PGSM_MAX,
100,
1,
1000,
PGC_POSTMASTER,
GUC_UNIT_MB,
NULL,
NULL,
NULL);
DefineCustomIntVariable("pg_stat_monitor.pgsm_query_max_len",
"Sets the maximum length of query.",
NULL,
&PGSM_QUERY_MAX_LEN,
1024,
1024,
INT_MAX,
PGC_POSTMASTER,
0,
NULL,
NULL,
NULL);
DefineCustomBoolVariable("pg_stat_monitor.pgsm_enable",
"Enable/Disable statistics collector.",
NULL,
(bool*)&PGSM_ENABLED,
true,
PGC_USERSET,
0,
NULL,
NULL,
NULL);
DefineCustomBoolVariable("pg_stat_monitor.pgsm_track_utility",
"Selects whether utility commands are tracked by pg_stat_monitor.",
NULL,
(bool*)&PGSM_TRACK_UTILITY,
true,
PGC_USERSET,
0,
NULL,
NULL,
NULL);
DefineCustomBoolVariable("pg_stat_monitor.pgsm_normalized_query",
"Selects whether save query in normalized format.",
NULL,
(bool*)&PGSM_NORMALIZED_QUERY,
true,
PGC_USERSET,
0,
NULL,
NULL,
NULL);
DefineCustomIntVariable("pg_stat_monitor.pgsm_max_buckets",
"Sets the maximum number of buckets.",
NULL,
&PGSM_MAX_BUCKETS,
10,
1,
10,
PGC_POSTMASTER,
0,
NULL,
NULL,
NULL);
DefineCustomIntVariable("pg_stat_monitor.pgsm_bucket_time",
"Sets the time in seconds per bucket.",
NULL,
&PGSM_BUCKET_TIME,
60,
1,
INT_MAX,
PGC_POSTMASTER,
0,
NULL,
NULL,
NULL);
DefineCustomIntVariable("pg_stat_monitor.pgsm_histogram_min",
"Sets the time in millisecond.",
NULL,
&PGSM_HISTOGRAM_MIN,
0,
0,
INT_MAX,
PGC_POSTMASTER,
0,
NULL,
NULL,
NULL);
DefineCustomIntVariable("pg_stat_monitor.pgsm_histogram_max",
"Sets the time in millisecond.",
NULL,
&PGSM_HISTOGRAM_MAX,
10,
10,
INT_MAX,
PGC_POSTMASTER,
0,
NULL,
NULL,
NULL);
DefineCustomIntVariable("pg_stat_monitor.pgsm_histogram_buckets",
"Sets the total number of histogram buckets",
NULL,
&PGSM_HISTOGRAM_BUCKETS,
10,
2,
INT_MAX,
PGC_POSTMASTER,
0,
NULL,
NULL,
NULL);
DefineCustomIntVariable("pg_stat_monitor.pgsm_query_shared_buffer",
"Sets the maximum size of shared memory in (MB) used for query tracked by pg_stat_monitor.",
NULL,
&PGSM_QUERY_BUF_SIZE,
20,
1,
10000,
PGC_POSTMASTER,
0,
NULL,
NULL,
NULL);
DefineCustomBoolVariable("pg_stat_monitor.pgsm_track_planning",
"Selects whether track planning statistics.",
NULL,
(bool*)&PGSM_TRACK_PLANNING,
true,
PGC_SUSET,
0,
NULL,
NULL,
NULL);
}
GucVariable*
get_conf(int i)
{
return &conf[i];
}
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