external/pg_stat_monitor
1
0
Fork 0
mirror of https://github.com/percona/pg_stat_monitor.git synced 2026-02-04 05:56:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

PG-172: Exponential histogram for time buckets.

Browse Source
This commit is contained in:
Ibrar Ahmed
2021-02-02 15:30:28 +00:00
parent 8fea207cbf
commit 12ba1e39d1
4 changed files with 121 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
guc.c
View File

@@ -18,7 +18,7 @@
#include "pg_stat_monitor.h"
GucVariable conf[12];
GucVariable conf[13];
/*
* Define (or redefine) custom GUC variables.
@@ -87,19 +87,27 @@ init_guc(void)
};
conf[i++] = (GucVariable) {
.guc_name = "pg_stat_monitor.pgsm_respose_time_lower_bound",
.guc_name = "pg_stat_monitor.pgsm_histogram_min",
.guc_desc = "Sets the time in millisecond.",
.guc_default = 1,
.guc_min = 1,
.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_respose_time_step",
.guc_desc = "Sets the response time steps in millisecond.",
.guc_default = 1,
.guc_min = 1,
.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
};
@@ -208,13 +216,25 @@ init_guc(void)
NULL,
NULL);
DefineCustomIntVariable("pg_stat_monitor.pgsm_respose_time_lower_bound",
DefineCustomIntVariable("pg_stat_monitor.pgsm_histogram_min",
"Sets the time in millisecond.",
NULL,
&PGSM_RESPOSE_TIME_LOWER_BOUND,
1,
1,
&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,
@@ -222,12 +242,12 @@ init_guc(void)
NULL,
NULL);
DefineCustomIntVariable("pg_stat_monitor.pgsm_respose_time_step",
"Sets the response time steps in millisecond.",
DefineCustomIntVariable("pg_stat_monitor.pgsm_histogram_buckets",
"Sets the total number of histogram buckets",
NULL,
&PGSM_RESPOSE_TIME_STEP,
1,
1,
&PGSM_HISTOGRAM_BUCKETS,
10,
2,
INT_MAX,
PGC_POSTMASTER,
0,