cpu-threshold-exceeded-event-class.md

title	CPU Threshold Exceeded Event Class
description	CPU Threshold Exceeded Event Class
author	WilliamDAssafMSFT
ms.author	wiassaf
ms.reviewer	dfurman
ms.date	01/13/2025
ms.service	sql
ms.subservice	supportability
ms.topic	reference
ms.custom	ignite-2025
helpviewer_keywords	cpu threshold exceeded event class
monikerRange	=azuresqldb-current || >=sql-server-2016 || >=sql-server-linux-2017 || =azuresqldb-mi-current || =fabric-sqldb

CPU threshold exceeded event class

[!INCLUDE SQL Server Azure SQL Database Azure SQL Managed Instance FabricSQLDB]

The CPU threshold exceeded event class indicates that resource governor detected a batch request that exceeds the CPU threshold specified for the REQUEST_MAX_CPU_TIME_SEC argument of a workload group. For more information, see CREATE WORKLOAD GROUP.

CPU threshold exceeded data columns

Data column name	Data type	Description	Column ID	Filterable
CPU	int	CPU usage in milliseconds.	18	Yes
EventClass	int	214	27	No
EventSubClass	int	CPU limit violation.	21	Yes
GroupID	int	Group ID where the violation occurred.	66	Yes
OwnerID	int	SPID of the process that caused the violation.	58	Yes
SPID	int	ID of the server process that fires this event. Note: This can differ from the actual user SPID if a system thread validates CPU usage as a background task.	12	Yes
StartTime	datetime	The time when this event fired.	14	Yes

Related content

• sp_trace_setevent
• Resource governor
• Resource governor workload group
• ALTER WORKLOAD GROUP