external
/
pg_stat_monitor
mirror of https://github.com/percona/pg_stat_monitor.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Issue (#42): Enable/Disable pg_stat_monitor should not require PostgreSQL restart. 

PG-124
pull/44/head
Ibrar Ahmed 2020-08-17 15:01:32 +00:00
parent a2c87d8398
commit 6700c9686e
2 changed files with 32 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
guc.c
View File

@ -106,8 +106,8 @@ init_guc(void)
};
conf[i++] = (GucVariable) {
.guc_name = "pg_stat_monitor.shared_buffer",
.guc_desc = "Sets the shared_buffer size.",
.guc_name = "pg_stat_monitor.pgsm_query_shared_buffer",
.guc_desc = "Sets the query shared_buffer size.",
.guc_default = 500000,
.guc_min = 500000,
.guc_max = INT_MAX,
@ -155,7 +155,7 @@ init_guc(void)
NULL,
(bool*)&PGSM_ENABLED,
true,
PGC_SUSET,
PGC_USERSET,
0,
NULL,
NULL,
@ -250,7 +250,7 @@ init_guc(void)
NULL);
DefineCustomIntVariable("pg_stat_monitor.pgsm_query_shared_buffer",
"Sets the shared_buffer size",
"Sets the query shared_buffer size",
NULL,
&PGSM_QUERY_BUF_SIZE,
500000,

53
pg_stat_monitor.c
View File

@ -446,21 +446,22 @@ pgss_post_parse_analyze(ParseState *pstate, Query *query)
if (query->queryId == UINT64CONST(0))
query->queryId = UINT64CONST(1);
if (jstate.clocations_count > 0)
pgss_store(pstate->p_sourcetext,
query->queryId,
query->stmt_location,
query->stmt_len,
PGSS_INVALID,
0,
0,
NULL,
if (PGSM_ENABLED == 1)
if (jstate.clocations_count > 0)
pgss_store(pstate->p_sourcetext,
query->queryId,
query->stmt_location,
query->stmt_len,
PGSS_INVALID,
0,
0,
NULL,
#if PG_VERSION_NUM >= 130000
NULL,
NULL,
#endif
&jstate,
0.0,
0.0);
&jstate,
0.0,
0.0);
}
/*
@ -558,6 +559,7 @@ pgss_ExecutorEnd(QueryDesc *queryDesc)
if (queryId != UINT64CONST(0) && queryDesc->totaltime && PGSM_ENABLED)
{
elog(WARNING, "PGSM_ENABLED = %d", PGSM_ENABLED);
/*
* Make sure stats accumulation is done. (Note: it's okay if several
* levels of hook all do this.)
@ -2715,18 +2717,19 @@ static PlannedStmt *pgss_planner_hook(Query *parse, int opt, ParamListInfo param
/* calc differences of WAL counters. */
memset(&walusage, 0, sizeof(WalUsage));
WalUsageAccumDiff(&walusage, &pgWalUsage, &walusage_start);
pgss_store(query_string,
parse->queryId,
parse->stmt_location,
parse->stmt_len,
PGSS_PLAN,
INSTR_TIME_GET_MILLISEC(duration),
0,
&bufusage,
&walusage,
NULL,
0,
0);
if (PGSM_ENABLED == 1)
pgss_store(query_string,
parse->queryId,
parse->stmt_location,
parse->stmt_len,
PGSS_PLAN,
INSTR_TIME_GET_MILLISEC(duration),
0,
&bufusage,
&walusage,
NULL,
0,
0);
}
else
{