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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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104
pg_stat_monitor--2.0.sql
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@@ -116,7 +116,6 @@ CREATE FUNCTION pg_stat_monitor_internal(
OUT planid text,
OUT query text,
OUT query_plan text,
OUT state_code int8,
OUT top_queryid text,
OUT top_query text,
OUT application_name text,
@@ -158,15 +157,29 @@ CREATE FUNCTION pg_stat_monitor_internal(
OUT temp_blks_written int8,
OUT blk_read_time float8,
OUT blk_write_time float8,
OUT temp_blk_read_time float8,
OUT temp_blk_write_time float8,
OUT resp_calls text, -- 41
OUT cpu_user_time float8,
OUT cpu_sys_time float8,
OUT wal_records int8,
OUT wal_fpi int8,
OUT wal_bytes numeric,
OUT comments TEXT,
OUT wal_records int8,
OUT wal_fpi int8,
OUT wal_bytes numeric,
OUT comments TEXT,
OUT jit_functions int8,
OUT jit_generation_time float8,
OUT jit_inlining_count int8,
OUT jit_inlining_time float8,
OUT jit_optimization_count int8,
OUT jit_optimization_time float8,
OUT jit_emission_count int8,
OUT jit_emission_time float8,
OUT toplevel BOOLEAN,
OUT bucket_done BOOLEAN
OUT bucket_done BOOLEAN
)
RETURNS SETOF record
AS 'MODULE_PATHNAME', 'pg_stat_monitor_2_0'
@@ -355,11 +368,90 @@ RETURN 0;
END;
$$ LANGUAGE plpgsql;
CREATE FUNCTION pgsm_create_15_view() RETURNS INT AS
$$
BEGIN
CREATE VIEW pg_stat_monitor AS SELECT
bucket,
bucket_start_time AS bucket_start_time,
userid::regrole,
datname,
'0.0.0.0'::inet + client_ip AS client_ip,
queryid,
toplevel,
top_queryid,
query,
comments,
planid,
query_plan,
top_query,
application_name,
string_to_array(relations, ',') AS relations,
cmd_type,
get_cmd_type(cmd_type) AS cmd_type_text,
elevel,
sqlcode,
message,
calls,
total_exec_time,
min_exec_time,
max_exec_time,
mean_exec_time,
stddev_exec_time,
rows_retrieved,
shared_blks_hit,
shared_blks_read,
shared_blks_dirtied,
shared_blks_written,
local_blks_hit,
local_blks_read,
local_blks_dirtied,
local_blks_written,
temp_blks_read,
temp_blks_written,
blk_read_time,
blk_write_time,
temp_blk_read_time,
temp_blk_write_time,
(string_to_array(resp_calls, ',')) resp_calls,
cpu_user_time,
cpu_sys_time,
wal_records,
wal_fpi,
wal_bytes,
bucket_done,
plans_calls,
total_plan_time,
min_plan_time,
max_plan_time,
mean_plan_time,
stddev_plan_time,
jit_functions,
jit_generation_time,
jit_inlining_count,
jit_inlining_time,
jit_optimization_count,
jit_optimization_time,
jit_emission_count,
jit_emission_time
FROM pg_stat_monitor_internal(TRUE) p, pg_database d WHERE dbid = oid
ORDER BY bucket_start_time;
RETURN 0;
END;
$$ LANGUAGE plpgsql;
CREATE FUNCTION pgsm_create_view() RETURNS INT AS
$$
DECLARE ver integer;
BEGIN
SELECT current_setting('server_version_num') INTO ver;
IF (ver >= 150000) THEN
return pgsm_create_15_view();
END IF;
IF (ver >= 140000) THEN
return pgsm_create_14_view();
END IF;