Determining CPU Usage of last week
0
We got a production issue last week (high CPU spike) on 25-Feb due to which server reboot was performed but ticket landed our DBA queue just today for analysis on CPU spike. Could you pls help me in modifying the below script to determine the resource which caused on 25th or pls suggest any alternatives
DECLARE @ts_now bigint
SELECT @ts_now = cpu_ticks / (cpu_ticks/ms_ticks) FROM sys.dm_os_sys_info
SELECT top 20 record_id, EventTime,
CASE WHEN system_cpu_utilization_post_sp2 IS NOT NULL THEN system_cpu_utilization_post_sp2 ELSE system_cpu_utilization_pre_sp2 END AS system_cpu_utilization,
CASE WHEN sql_cpu_utilization_post_sp2 IS NOT NULL THEN sql_cpu_utilization_post_sp2 ELSE sql_cpu_utilization_pre_sp2 END AS sql_cpu_utilization
FROM
(
SELECT
record.value('(Record/@id)[1]', 'int') AS record_id,
DATEADD (ms, -1 * (@ts_now - [timestamp]), GETDATE()) AS EventTime,
100-record.value('(Record/SchedulerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_post_sp2,
record.value('(Record/SchedulerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_post_sp2 ,
100-record.value('(Record/SchedluerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_pre_sp2,
record.value('(Record/SchedluerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_pre_sp2
FROM (
SELECT timestamp, CONVERT (xml, record) AS record
FROM sys.dm_os_ring_buffers
WHERE ring_buffer_type = 'RING_BUFFER_SCHEDULER_MONITOR'
AND record LIKE '%<SystemHealth>%') AS t
) AS t
ORDER BY record_id desc
sql-server-2008 sql-server-2008-r2
edited Mar 2 '16 at 12:47
Vérace
16k33550
asked Mar 2 '16 at 12:42
sriramsriram
1
bumped to the homepage by Community♦ 10 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
0
We got a production issue last week (high CPU spike) on 25-Feb due to which server reboot was performed but ticket landed our DBA queue just today for analysis on CPU spike. Could you pls help me in modifying the below script to determine the resource which caused on 25th or pls suggest any alternatives
DECLARE @ts_now bigint
SELECT @ts_now = cpu_ticks / (cpu_ticks/ms_ticks) FROM sys.dm_os_sys_info
SELECT top 20 record_id, EventTime,
CASE WHEN system_cpu_utilization_post_sp2 IS NOT NULL THEN system_cpu_utilization_post_sp2 ELSE system_cpu_utilization_pre_sp2 END AS system_cpu_utilization,
CASE WHEN sql_cpu_utilization_post_sp2 IS NOT NULL THEN sql_cpu_utilization_post_sp2 ELSE sql_cpu_utilization_pre_sp2 END AS sql_cpu_utilization
FROM
(
SELECT
record.value('(Record/@id)[1]', 'int') AS record_id,
DATEADD (ms, -1 * (@ts_now - [timestamp]), GETDATE()) AS EventTime,
100-record.value('(Record/SchedulerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_post_sp2,
record.value('(Record/SchedulerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_post_sp2 ,
100-record.value('(Record/SchedluerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_pre_sp2,
record.value('(Record/SchedluerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_pre_sp2
FROM (
SELECT timestamp, CONVERT (xml, record) AS record
FROM sys.dm_os_ring_buffers
WHERE ring_buffer_type = 'RING_BUFFER_SCHEDULER_MONITOR'
AND record LIKE '%<SystemHealth>%') AS t
) AS t
ORDER BY record_id desc
sql-server-2008 sql-server-2008-r2
edited Mar 2 '16 at 12:47
Vérace
16k33550
asked Mar 2 '16 at 12:42
sriramsriram
1
bumped to the homepage by Community♦ 10 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
0
0
0
We got a production issue last week (high CPU spike) on 25-Feb due to which server reboot was performed but ticket landed our DBA queue just today for analysis on CPU spike. Could you pls help me in modifying the below script to determine the resource which caused on 25th or pls suggest any alternatives
DECLARE @ts_now bigint
SELECT @ts_now = cpu_ticks / (cpu_ticks/ms_ticks) FROM sys.dm_os_sys_info
SELECT top 20 record_id, EventTime,
CASE WHEN system_cpu_utilization_post_sp2 IS NOT NULL THEN system_cpu_utilization_post_sp2 ELSE system_cpu_utilization_pre_sp2 END AS system_cpu_utilization,
CASE WHEN sql_cpu_utilization_post_sp2 IS NOT NULL THEN sql_cpu_utilization_post_sp2 ELSE sql_cpu_utilization_pre_sp2 END AS sql_cpu_utilization
FROM
(
SELECT
record.value('(Record/@id)[1]', 'int') AS record_id,
DATEADD (ms, -1 * (@ts_now - [timestamp]), GETDATE()) AS EventTime,
100-record.value('(Record/SchedulerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_post_sp2,
record.value('(Record/SchedulerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_post_sp2 ,
100-record.value('(Record/SchedluerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_pre_sp2,
record.value('(Record/SchedluerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_pre_sp2
FROM (
SELECT timestamp, CONVERT (xml, record) AS record
FROM sys.dm_os_ring_buffers
WHERE ring_buffer_type = 'RING_BUFFER_SCHEDULER_MONITOR'
AND record LIKE '%<SystemHealth>%') AS t
) AS t
ORDER BY record_id desc
sql-server-2008 sql-server-2008-r2
edited Mar 2 '16 at 12:47
Vérace
16k33550
asked Mar 2 '16 at 12:42
sriramsriram
1
We got a production issue last week (high CPU spike) on 25-Feb due to which server reboot was performed but ticket landed our DBA queue just today for analysis on CPU spike. Could you pls help me in modifying the below script to determine the resource which caused on 25th or pls suggest any alternatives
DECLARE @ts_now bigint
SELECT @ts_now = cpu_ticks / (cpu_ticks/ms_ticks) FROM sys.dm_os_sys_info
SELECT top 20 record_id, EventTime,
CASE WHEN system_cpu_utilization_post_sp2 IS NOT NULL THEN system_cpu_utilization_post_sp2 ELSE system_cpu_utilization_pre_sp2 END AS system_cpu_utilization,
CASE WHEN sql_cpu_utilization_post_sp2 IS NOT NULL THEN sql_cpu_utilization_post_sp2 ELSE sql_cpu_utilization_pre_sp2 END AS sql_cpu_utilization
FROM
(
SELECT
record.value('(Record/@id)[1]', 'int') AS record_id,
DATEADD (ms, -1 * (@ts_now - [timestamp]), GETDATE()) AS EventTime,
100-record.value('(Record/SchedulerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_post_sp2,
record.value('(Record/SchedulerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_post_sp2 ,
100-record.value('(Record/SchedluerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_pre_sp2,
record.value('(Record/SchedluerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_pre_sp2
FROM (
SELECT timestamp, CONVERT (xml, record) AS record
FROM sys.dm_os_ring_buffers
WHERE ring_buffer_type = 'RING_BUFFER_SCHEDULER_MONITOR'
AND record LIKE '%<SystemHealth>%') AS t
) AS t
ORDER BY record_id desc
sql-server-2008 sql-server-2008-r2
sql-server-2008 sql-server-2008-r2
edited Mar 2 '16 at 12:47
Vérace
16k33550
asked Mar 2 '16 at 12:42
sriramsriram
1
edited Mar 2 '16 at 12:47
Vérace
16k33550
asked Mar 2 '16 at 12:42
sriramsriram
1
edited Mar 2 '16 at 12:47
Vérace
16k33550
edited Mar 2 '16 at 12:47
Vérace
16k33550
edited Mar 2 '16 at 12:47
Vérace
16k33550
16k33550
asked Mar 2 '16 at 12:42
sriramsriram
1
asked Mar 2 '16 at 12:42
sriramsriram
1
asked Mar 2 '16 at 12:42
sriramsriram
1
1
bumped to the homepage by Community♦ 10 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 10 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
add a comment |
1 Answer
1
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0
Your code requires little tweaking. Where you are doing getdate you just need to do getdate() -6. The changed code is below.
Please note that ring buffer capacity is limited so it would not store information for complete day it would have information about specific time.
DECLARE @ts_now bigint
SELECT @ts_now = cpu_ticks / (cpu_ticks/ms_ticks) FROM sys.dm_os_sys_info
SELECT top 20 record_id, EventTime,
CASE WHEN system_cpu_utilization_post_sp2 IS NOT NULL THEN system_cpu_utilization_post_sp2 ELSE system_cpu_utilization_pre_sp2 END AS system_cpu_utilization,
CASE WHEN sql_cpu_utilization_post_sp2 IS NOT NULL THEN sql_cpu_utilization_post_sp2 ELSE sql_cpu_utilization_pre_sp2 END AS sql_cpu_utilization
FROM
(
SELECT
record.value('(Record/@id)[1]', 'int') AS record_id,
DATEADD (ms, -1 * (@ts_now - [timestamp]), GETDATE()-6) AS EventTime,--changed here
100-record.value('(Record/SchedulerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_post_sp2,
record.value('(Record/SchedulerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_post_sp2 ,
100-record.value('(Record/SchedluerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_pre_sp2,
record.value('(Record/SchedluerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_pre_sp2
FROM (
SELECT timestamp, CONVERT (xml, record) AS record
FROM sys.dm_os_ring_buffers
WHERE ring_buffer_type = 'RING_BUFFER_SCHEDULER_MONITOR'
AND record LIKE '%<SystemHealth>%') AS t
) AS t
ORDER BY record_id desc
answered Mar 2 '16 at 13:04
ShankyShanky
14.1k32039
on 25-Feb due to which server reboot was performed- the DMV data will get flushed out. How would the OP get back dated data ?
– Kin
Mar 2 '16 at 15:44
He would be only able to get after 25th reboot. Before that its not possible. Moreover intention was to help him that a bit of change would get you backdate data, well ofcourse subject to various conditions
– Shanky
Mar 2 '16 at 18:27
add a comment |
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1 Answer
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Your code requires little tweaking. Where you are doing getdate you just need to do getdate() -6. The changed code is below.
Please note that ring buffer capacity is limited so it would not store information for complete day it would have information about specific time.
DECLARE @ts_now bigint
SELECT @ts_now = cpu_ticks / (cpu_ticks/ms_ticks) FROM sys.dm_os_sys_info
SELECT top 20 record_id, EventTime,
CASE WHEN system_cpu_utilization_post_sp2 IS NOT NULL THEN system_cpu_utilization_post_sp2 ELSE system_cpu_utilization_pre_sp2 END AS system_cpu_utilization,
CASE WHEN sql_cpu_utilization_post_sp2 IS NOT NULL THEN sql_cpu_utilization_post_sp2 ELSE sql_cpu_utilization_pre_sp2 END AS sql_cpu_utilization
FROM
(
SELECT
record.value('(Record/@id)[1]', 'int') AS record_id,
DATEADD (ms, -1 * (@ts_now - [timestamp]), GETDATE()-6) AS EventTime,--changed here
100-record.value('(Record/SchedulerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_post_sp2,
record.value('(Record/SchedulerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_post_sp2 ,
100-record.value('(Record/SchedluerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_pre_sp2,
record.value('(Record/SchedluerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_pre_sp2
FROM (
SELECT timestamp, CONVERT (xml, record) AS record
FROM sys.dm_os_ring_buffers
WHERE ring_buffer_type = 'RING_BUFFER_SCHEDULER_MONITOR'
AND record LIKE '%<SystemHealth>%') AS t
) AS t
ORDER BY record_id desc
answered Mar 2 '16 at 13:04
ShankyShanky
14.1k32039
on 25-Feb due to which server reboot was performed- the DMV data will get flushed out. How would the OP get back dated data ?
– Kin
Mar 2 '16 at 15:44
He would be only able to get after 25th reboot. Before that its not possible. Moreover intention was to help him that a bit of change would get you backdate data, well ofcourse subject to various conditions
– Shanky
Mar 2 '16 at 18:27
add a comment |
0
Your code requires little tweaking. Where you are doing getdate you just need to do getdate() -6. The changed code is below.
Please note that ring buffer capacity is limited so it would not store information for complete day it would have information about specific time.
DECLARE @ts_now bigint
SELECT @ts_now = cpu_ticks / (cpu_ticks/ms_ticks) FROM sys.dm_os_sys_info
SELECT top 20 record_id, EventTime,
CASE WHEN system_cpu_utilization_post_sp2 IS NOT NULL THEN system_cpu_utilization_post_sp2 ELSE system_cpu_utilization_pre_sp2 END AS system_cpu_utilization,
CASE WHEN sql_cpu_utilization_post_sp2 IS NOT NULL THEN sql_cpu_utilization_post_sp2 ELSE sql_cpu_utilization_pre_sp2 END AS sql_cpu_utilization
FROM
(
SELECT
record.value('(Record/@id)[1]', 'int') AS record_id,
DATEADD (ms, -1 * (@ts_now - [timestamp]), GETDATE()-6) AS EventTime,--changed here
100-record.value('(Record/SchedulerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_post_sp2,
record.value('(Record/SchedulerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_post_sp2 ,
100-record.value('(Record/SchedluerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_pre_sp2,
record.value('(Record/SchedluerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_pre_sp2
FROM (
SELECT timestamp, CONVERT (xml, record) AS record
FROM sys.dm_os_ring_buffers
WHERE ring_buffer_type = 'RING_BUFFER_SCHEDULER_MONITOR'
AND record LIKE '%<SystemHealth>%') AS t
) AS t
ORDER BY record_id desc
answered Mar 2 '16 at 13:04
ShankyShanky
14.1k32039
on 25-Feb due to which server reboot was performed- the DMV data will get flushed out. How would the OP get back dated data ?
– Kin
Mar 2 '16 at 15:44
He would be only able to get after 25th reboot. Before that its not possible. Moreover intention was to help him that a bit of change would get you backdate data, well ofcourse subject to various conditions
– Shanky
Mar 2 '16 at 18:27
add a comment |
0
0
0
Your code requires little tweaking. Where you are doing getdate you just need to do getdate() -6. The changed code is below.
Please note that ring buffer capacity is limited so it would not store information for complete day it would have information about specific time.
DECLARE @ts_now bigint
SELECT @ts_now = cpu_ticks / (cpu_ticks/ms_ticks) FROM sys.dm_os_sys_info
SELECT top 20 record_id, EventTime,
CASE WHEN system_cpu_utilization_post_sp2 IS NOT NULL THEN system_cpu_utilization_post_sp2 ELSE system_cpu_utilization_pre_sp2 END AS system_cpu_utilization,
CASE WHEN sql_cpu_utilization_post_sp2 IS NOT NULL THEN sql_cpu_utilization_post_sp2 ELSE sql_cpu_utilization_pre_sp2 END AS sql_cpu_utilization
FROM
(
SELECT
record.value('(Record/@id)[1]', 'int') AS record_id,
DATEADD (ms, -1 * (@ts_now - [timestamp]), GETDATE()-6) AS EventTime,--changed here
100-record.value('(Record/SchedulerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_post_sp2,
record.value('(Record/SchedulerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_post_sp2 ,
100-record.value('(Record/SchedluerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_pre_sp2,
record.value('(Record/SchedluerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_pre_sp2
FROM (
SELECT timestamp, CONVERT (xml, record) AS record
FROM sys.dm_os_ring_buffers
WHERE ring_buffer_type = 'RING_BUFFER_SCHEDULER_MONITOR'
AND record LIKE '%<SystemHealth>%') AS t
) AS t
ORDER BY record_id desc
answered Mar 2 '16 at 13:04
ShankyShanky
14.1k32039
Your code requires little tweaking. Where you are doing getdate you just need to do getdate() -6. The changed code is below.
Please note that ring buffer capacity is limited so it would not store information for complete day it would have information about specific time.
DECLARE @ts_now bigint
SELECT @ts_now = cpu_ticks / (cpu_ticks/ms_ticks) FROM sys.dm_os_sys_info
SELECT top 20 record_id, EventTime,
CASE WHEN system_cpu_utilization_post_sp2 IS NOT NULL THEN system_cpu_utilization_post_sp2 ELSE system_cpu_utilization_pre_sp2 END AS system_cpu_utilization,
CASE WHEN sql_cpu_utilization_post_sp2 IS NOT NULL THEN sql_cpu_utilization_post_sp2 ELSE sql_cpu_utilization_pre_sp2 END AS sql_cpu_utilization
FROM
(
SELECT
record.value('(Record/@id)[1]', 'int') AS record_id,
DATEADD (ms, -1 * (@ts_now - [timestamp]), GETDATE()-6) AS EventTime,--changed here
100-record.value('(Record/SchedulerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_post_sp2,
record.value('(Record/SchedulerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_post_sp2 ,
100-record.value('(Record/SchedluerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_pre_sp2,
record.value('(Record/SchedluerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_pre_sp2
FROM (
SELECT timestamp, CONVERT (xml, record) AS record
FROM sys.dm_os_ring_buffers
WHERE ring_buffer_type = 'RING_BUFFER_SCHEDULER_MONITOR'
AND record LIKE '%<SystemHealth>%') AS t
) AS t
ORDER BY record_id desc
answered Mar 2 '16 at 13:04
ShankyShanky
14.1k32039
answered Mar 2 '16 at 13:04
ShankyShanky
14.1k32039
answered Mar 2 '16 at 13:04
ShankyShanky
14.1k32039
answered Mar 2 '16 at 13:04
ShankyShanky
14.1k32039
14.1k32039
on 25-Feb due to which server reboot was performed- the DMV data will get flushed out. How would the OP get back dated data ?
– Kin
Mar 2 '16 at 15:44
He would be only able to get after 25th reboot. Before that its not possible. Moreover intention was to help him that a bit of change would get you backdate data, well ofcourse subject to various conditions
– Shanky
Mar 2 '16 at 18:27
add a comment |
on 25-Feb due to which server reboot was performed- the DMV data will get flushed out. How would the OP get back dated data ?
– Kin
Mar 2 '16 at 15:44
He would be only able to get after 25th reboot. Before that its not possible. Moreover intention was to help him that a bit of change would get you backdate data, well ofcourse subject to various conditions
– Shanky
Mar 2 '16 at 18:27
on 25-Feb due to which server reboot was performed - the DMV data will get flushed out. How would the OP get back dated data ?– Kin
Mar 2 '16 at 15:44
on 25-Feb due to which server reboot was performed - the DMV data will get flushed out. How would the OP get back dated data ?– Kin
Mar 2 '16 at 15:44
He would be only able to get after 25th reboot. Before that its not possible. Moreover intention was to help him that a bit of change would get you backdate data, well ofcourse subject to various conditions
– Shanky
Mar 2 '16 at 18:27
He would be only able to get after 25th reboot. Before that its not possible. Moreover intention was to help him that a bit of change would get you backdate data, well ofcourse subject to various conditions
– Shanky
Mar 2 '16 at 18:27
add a comment |
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