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PG-435: Adding new counters that are available in PG15 (#329)

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In line with pg_stat_statments for PG15, This commit adds eight new cumulative
counters for jit operations, making it easier to diagnose how JIT is used in an
installation. And two new columns, temp_blk_read_time, and temp_blk_write_time,
respectively, show the time spent reading and writing temporary file blocks
on disk.
Moreover, The commit also contains a few indentations and API adjustments.
This commit is contained in:
Muhammad Usama
2022-12-07 15:40:13 +05:00
committed by GitHub
parent 4a254a538b
commit 913064b68d
5 changed files with 303 additions and 33 deletions
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23
pg_stat_monitor.h
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@@ -31,6 +31,7 @@
#include "catalog/pg_authid.h"
#include "executor/instrument.h"
#include "common/ip.h"
#include "jit/jit.h"
#include "funcapi.h"
#include "access/twophase.h"
#include "mb/pg_wchar.h"
@@ -255,8 +256,27 @@ typedef struct Blocks
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 */
} 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 */
} JitInfo;
typedef struct SysInfo
{
float utime; /* user cpu time */
@@ -283,11 +303,12 @@ typedef struct Counters
Blocks blocks;
SysInfo sysinfo;
JitInfo jitinfo;
ErrorInfo error;
Wal_Usage walusage;
int resp_calls[MAX_RESPONSE_BUCKET]; /* execution time's in
* msec */
uint64 state; /* query state */
int64 state; /* query state */
} Counters;
/* Some global structure to get the cpu usage, really don't like the idea of global variable */