2026-03-12 20:23:15

csierra/cs_osstat_cpu_report.sql

@@ -0,0 +1,132 @@
+----------------------------------------------------------------------------------------
+--
+-- File name:   cs_osstat_cpu_report.sql
+--
+-- Purpose:     CPU Cores Load and Busyness as per OS Stats from AWR (time series report)
+--
+-- Author:      Carlos Sierra
+--
+-- Version:     2022/10/03
+--
+-- Usage:       Execute connected to CDB or PDB
+--
+--              Enter range of dates and filters when requested.
+--
+-- Example:     $ sqlplus / as sysdba
+--              SQL> @cs_osstat_cpu_report.sql
+--
+-- Notes:       Developed and tested on 12.1.0.2.
+--
+---------------------------------------------------------------------------------------
+--
+@@cs_internal/cs_primary.sql
+@@cs_internal/cs_set.sql
+@@cs_internal/cs_def.sql
+@@cs_internal/cs_file_prefix.sql
+--
+DEF cs_script_name = 'cs_osstat_cpu_report';
+DEF cs_hours_range_default = '168';
+--
+@@cs_internal/cs_sample_time_from_and_to.sql
+@@cs_internal/cs_snap_id_from_and_to.sql
+--
+--@@cs_internal/&&cs_set_container_to_cdb_root.
+--
+SELECT '&&cs_file_prefix._&&cs_script_name.' cs_file_name FROM DUAL;
+--
+@@cs_internal/cs_spool_head.sql
+PRO SQL> @&&cs_script_name..sql "&&cs_sample_time_from." "&&cs_sample_time_to." 
+@@cs_internal/cs_spool_id.sql
+--
+@@cs_internal/cs_spool_id_sample_time.sql
+--
+COL time FOR A19 HEA 'END_TIME';
+COL cores FOR 990;
+COL cpus FOR 990;
+COL load FOR 9,990;
+COL dbrm FOR 990.0 HEA 'DBRM|CPUs';
+COL usr FOR 990.0 HEA 'USR|CPUs';
+COL sys FOR 990.0 HEA 'SYS|CPUs';
+COL io FOR 990.0 HEA 'IO|CPUs';
+COL nice FOR 990.0 HEA 'NICE|CPUs';
+COL busy FOR 990.0 HEA 'BUSY|CPUs';
+COL idle FOR 990.0 HEA 'IDLE|CPUs';
+COL cpu_util_perc FOR 990.0 HEA 'CPU UTL|PERC %';
+--
+BREAK ON REPORT;
+COMPUTE MAX LABEL 'MAX' OF cores cpus load dbrm usr sys io nice busy idle cpu_util_perc ON REPORT;
+--
+PRO
+PRO OS Stats from AWR
+PRO ~~~~~~~~~~~~~~~~~
+WITH
+osstat AS (
+SELECT /*+ MATERIALIZE NO_MERGE */
+       CAST(s.begin_interval_time AS DATE) begin_time,
+       CAST(s.end_interval_time AS DATE) end_time,
+       (CAST(s.end_interval_time AS DATE) - CAST(s.begin_interval_time AS DATE)) * 24 * 3600 seconds,
+       h.stat_name,
+       CASE 
+         WHEN h.stat_name IN ('NUM_CPUS','LOAD','NUM_CPU_CORES') THEN h.value
+         WHEN h.stat_name LIKE '%TIME' THEN h.value - LAG(h.value) OVER (PARTITION BY h.stat_name ORDER BY h.snap_id) 
+         ELSE 0
+       END value,
+       ROW_NUMBER() OVER (PARTITION BY h.stat_name ORDER BY h.snap_id) row_number
+  FROM dba_hist_osstat h,
+       dba_hist_snapshot s
+ WHERE h.dbid = TO_NUMBER('&&cs_dbid.')
+   AND h.instance_number = TO_NUMBER('&&cs_instance_number.')
+   AND h.snap_id BETWEEN TO_NUMBER('&&cs_snap_id_from.') AND TO_NUMBER('&&cs_snap_id_to.')
+   AND h.stat_name IN ('NUM_CPUS','IDLE_TIME','BUSY_TIME','USER_TIME','SYS_TIME','IOWAIT_TIME','NICE_TIME','RSRC_MGR_CPU_WAIT_TIME','LOAD','NUM_CPU_CORES')
+   AND s.snap_id = h.snap_id
+   AND s.dbid = h.dbid
+   AND s.instance_number = h.instance_number
+),
+my_query AS (
+SELECT end_time time,
+       ROUND(SUM(CASE stat_name WHEN 'LOAD' THEN value ELSE 0 END), 1) load,
+       SUM(CASE stat_name WHEN 'NUM_CPU_CORES' THEN value ELSE 0 END) cores,
+       SUM(CASE stat_name WHEN 'NUM_CPUS' THEN value ELSE 0 END) cpus,
+       ROUND(SUM(CASE stat_name WHEN 'IDLE_TIME' THEN value / 100 / seconds ELSE 0 END), 1) idle,
+       ROUND(SUM(CASE stat_name WHEN 'BUSY_TIME' THEN value / 100 / seconds ELSE 0 END), 1) busy,
+       ROUND(SUM(CASE stat_name WHEN 'USER_TIME' THEN value / 100 / seconds ELSE 0 END), 1) usr,
+       ROUND(SUM(CASE stat_name WHEN 'SYS_TIME' THEN value / 100 / seconds ELSE 0 END), 1) sys,
+       ROUND(SUM(CASE stat_name WHEN 'IOWAIT_TIME' THEN value / 100 / seconds ELSE 0 END), 1) io,
+       ROUND(SUM(CASE stat_name WHEN 'NICE_TIME' THEN value / 100 / seconds ELSE 0 END), 1) nice,
+       ROUND(SUM(CASE stat_name WHEN 'RSRC_MGR_CPU_WAIT_TIME' THEN value / 100 / seconds ELSE 0 END), 1) dbrm
+  FROM osstat
+ WHERE row_number > 1 -- remove first row
+   AND value >= 0
+   AND seconds > 0
+ GROUP BY
+       end_time
+)
+SELECT q.time,
+       q.cores,
+       q.cpus,
+       q.load,
+       q.dbrm,
+       q.usr,
+       q.sys,
+       q.io,
+       q.nice,
+       q.busy,
+       q.idle,
+       100 * q.busy / (q.busy + q.idle) AS cpu_util_perc
+  FROM my_query q
+ ORDER BY
+       q.time
+/
+--
+CLEAR BREAK COMPUTE;
+--
+PRO
+PRO SQL> @&&cs_script_name..sql "&&cs_sample_time_from." "&&cs_sample_time_to." 
+--
+@@cs_internal/cs_spool_tail.sql
+--
+--@@cs_internal/&&cs_set_container_to_curr_pdb.
+--
+@@cs_internal/cs_undef.sql
+@@cs_internal/cs_reset.sql
+--