Files
oracle/csierra/cs_osstat_cpu_busy_chart.sql
2026-03-12 21:23:47 +01:00

153 lines
5.7 KiB
SQL

----------------------------------------------------------------------------------------
--
-- File name: cs_osstat_cpu_busy_chart.sql
--
-- Purpose: CPU Cores Busyness as per OS Stats from AWR (time series chart)
--
-- 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_load_chart.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_busy_chart';
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;
--
DEF report_title = 'Busy CPU Cores between &&cs_sample_time_from. and &&cs_sample_time_to. UTC';
DEF chart_title = '&&report_title.';
DEF xaxis_title = '';
DEF vaxis_title = 'Busy CPU Cores';
--
-- (isStacked is true and baseline is null) or (not isStacked and baseline >= 0)
--DEF is_stacked = "isStacked: false,";
DEF is_stacked = "isStacked: true,";
--DEF vaxis_baseline = ", baseline:&&cs_num_cpu_cores., baselineColor:'red'";
DEF vaxis_baseline = "";
DEF chart_foot_note_2 = "<br>2) Other: I/O Wait Time + Nice Time + Unaccounted Time";
DEF chart_foot_note_3 = "<br>3) Server has &&cs_num_cpu_cores. CPU Cores";
DEF chart_foot_note_4 = "";
DEF report_foot_note = 'SQL> @&&cs_script_name..sql "&&cs_sample_time_from." "&&cs_sample_time_to."';
--
@@cs_internal/cs_spool_head_chart.sql
--
PRO ,{label:'User', id:'1', type:'number'}
PRO ,{label:'System', id:'2', type:'number'}
PRO ,{label:'Other', id:'3', type:'number'}
PRO ]
--
SET HEA OFF PAGES 0;
/****************************************************************************************/
WITH
FUNCTION num_format (p_number IN NUMBER, p_round IN NUMBER DEFAULT 0)
RETURN VARCHAR2 IS
BEGIN
IF p_number IS NULL OR ROUND(p_number, p_round) <= 0 THEN
RETURN 'null';
ELSE
RETURN TO_CHAR(ROUND(p_number, p_round));
END IF;
END num_format;
/****************************************************************************************/
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 ', [new Date('||
TO_CHAR(q.time, 'YYYY')|| /* year */
','||(TO_NUMBER(TO_CHAR(q.time, 'MM')) - 1)|| /* month - 1 */
','||TO_CHAR(q.time, 'DD')|| /* day */
','||TO_CHAR(q.time, 'HH24')|| /* hour */
','||TO_CHAR(q.time, 'MI')|| /* minute */
','||TO_CHAR(q.time, 'SS')|| /* second */
')'||
','||num_format(q.usr, 1)||
','||num_format(q.sys, 1)||
','||num_format(GREATEST(q.busy - q.usr - q.sys, 0), 1)||
']'
FROM my_query q
ORDER BY
q.time
/
/****************************************************************************************/
SET HEA ON PAGES 100;
--
-- [Line|Area|SteppedArea|Scatter]
DEF cs_chart_type = 'SteppedArea';
-- disable explorer with "//" when using Pie
DEF cs_chart_option_explorer = '';
-- enable pie options with "" when using Pie
DEF cs_chart_option_pie = '//';
-- use oem colors
DEF cs_oem_colors_series = '//';
DEF cs_oem_colors_slices = '//';
-- for line charts
DEF cs_curve_type = '//';
--
@@cs_internal/cs_spool_id_chart.sql
@@cs_internal/cs_spool_tail_chart.sql
PRO
PRO &&report_foot_note.
--
--@@cs_internal/&&cs_set_container_to_curr_pdb.
--
@@cs_internal/cs_undef.sql
@@cs_internal/cs_reset.sql
--