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ComponentStatistics structure (comsvcs.h)

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Represents statistical information about a COM+ component hosted in a particular process.

Syntax

typedef struct _ComponentStatistics {
  ULONG NumInstances;
  ULONG NumBoundReferences;
  ULONG NumPooledObjects;
  ULONG NumObjectsInCall;
  ULONG AvgResponseTimeInMs;
  ULONG NumCallsCompletedRecent;
  ULONG NumCallsFailedRecent;
  ULONG NumCallsCompletedTotal;
  ULONG NumCallsFailedTotal;
  ULONG Reserved1;
  ULONG Reserved2;
  ULONG Reserved3;
  ULONG Reserved4;
} ComponentStatistics;

Members

NumInstances

The number of instances of the component in the hosting process.

NumBoundReferences

The number of client references bound to an instance of this component.

NumPooledObjects

The number of instances of the component in the hosting process's object pool.

NumObjectsInCall

The number of instances of the component that are currently servicing a call.

AvgResponseTimeInMs

A rolling average of the time it takes an instance of this component to service a call.

NumCallsCompletedRecent

The number of calls to instances of this component that have completed (successfully or not) in a recent time period (for comparison with NumCallsFailedRecent).

NumCallsFailedRecent

The number of calls to instances of this component that have failed in a recent time period (for comparison with NumCallsCompletedRecent).

NumCallsCompletedTotal

The total number of calls to instances of this component that have completed (successfully or not) throughout the lifetime of the hosting process. This data is not currently available, and this member is always set to DATA_NOT_AVAILABLE (0xFFFFFFFF).

NumCallsFailedTotal

The total number of calls to instances of this component that have failed throughout the lifetime of the hosting process. This data is not currently available, and this member is always set to DATA_NOT_AVAILABLE (0xFFFFFFFF).

Reserved1

This member is reserved and set to DATA_NOT_AVAILABLE (0xFFFFFFFF).

Reserved2

This member is reserved and set to DATA_NOT_AVAILABLE (0xFFFFFFFF).

Reserved3

This member is reserved and set to DATA_NOT_AVAILABLE (0xFFFFFFFF).

Reserved4

This member is reserved and set to DATA_NOT_AVAILABLE (0xFFFFFFFF).

Requirements

Requirement Value
Minimum supported client Windows XP with SP2 [desktop apps only]
Minimum supported server Windows Server 2003 with SP1 [desktop apps only]
Header comsvcs.h

See also

IGetAppTrackerData