mirror of
https://github.com/dataegret/pg-utils.git
synced 2026-05-04 05:15:08 +01:00
Alexey Lesovsky
65 lines
2.5 KiB
SQL
65 lines
2.5 KiB
SQL
with s AS
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(SELECT sum(total_time) AS t, sum(blk_read_time+blk_write_time) as iot, sum(total_time-blk_read_time-blk_write_time) as cput, sum(calls) AS s, sum(rows) as r FROM pg_stat_statements WHERE TRUE)
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,
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_pg_stat_statements as (
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select dbid, regexp_replace(query, E'\\?(, ?\\?)+', '?') as query, sum(total_time) as total_time, sum(blk_read_time) as blk_read_time, sum(blk_write_time) as blk_write_time, sum(calls) as calls, sum(rows) as rows
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from pg_stat_statements
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where TRUE
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group by dbid, query
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)
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SELECT
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100 AS time_percent,
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100 AS iotime_percent,
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100 AS cputime_percent,
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(t/1000)*'1 second'::interval as total_time,
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(cput*1000/s)::numeric(20, 2) AS avg_cpu_time_microsecond,
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(iot*1000/s)::numeric(20, 2) AS avg_io_time_microsecond,
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s as calls,
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100 AS calls_percent,
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r as rows,
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100 as row_percent,
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'all' as database,
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'total' as query
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FROM s
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UNION ALL
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SELECT
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(100*total_time/(SELECT t FROM s))::numeric(20, 2) AS time_percent,
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(100*(blk_read_time+blk_write_time)/(SELECT iot FROM s))::numeric(20, 2) AS iotime_percent,
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(100*(total_time-blk_read_time-blk_write_time)/(SELECT cput FROM s))::numeric(20, 2) AS cputime_percent,
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(total_time/1000)*'1 second'::interval as total_time,
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((total_time-blk_read_time-blk_write_time)*1000/calls)::numeric(20, 2) AS avg_cpu_time_microsecond,
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((blk_read_time+blk_write_time)*1000/calls)::numeric(20, 2) AS avg_io_time_microsecond,
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calls,
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(100*calls/(SELECT s FROM s))::numeric(20, 2) AS calls_percent,
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rows,
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(100*rows/(SELECT r from s))::numeric(20, 2) AS row_percent,
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(select datname from pg_database where oid=dbid) as database,
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query
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FROM _pg_stat_statements
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WHERE
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(total_time-blk_read_time-blk_write_time)/(SELECT cput FROM s)>=0.005
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UNION all
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SELECT
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(100*sum(total_time)/(SELECT t FROM s))::numeric(20, 2) AS time_percent,
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(100*sum(blk_read_time+blk_write_time)/(SELECT iot FROM s))::numeric(20, 2) AS iotime_percent,
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(100*sum(total_time-blk_read_time-blk_write_time)/(SELECT cput FROM s))::numeric(20, 2) AS cputime_percent,
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(sum(total_time)/1000)*'1 second'::interval,
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(sum(total_time-blk_read_time-blk_write_time)*1000/sum(calls))::numeric(10, 3) AS avg_cpu_time_microsecond,
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(sum(blk_read_time+blk_write_time)*1000/sum(calls))::numeric(10, 3) AS avg_io_time_microsecond,
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sum(calls),
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(100*sum(calls)/(SELECT s FROM s))::numeric(20, 2) AS calls_percent,
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sum(rows),
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(100*sum(rows)/(SELECT r from s))::numeric(20, 2) AS row_percent,
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'all' as database,
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'other' AS query
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FROM _pg_stat_statements
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WHERE
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(total_time-blk_read_time-blk_write_time)/(SELECT cput FROM s)<0.005
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ORDER BY 3 DESC;
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