> ## Documentation Index
> Fetch the complete documentation index at: https://docs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ConfigureL2IPMCs

> ConfigureL2IPMCs

Configures performance counters inside the L2 caches.

## Syntax

```cpp theme={null}
HRESULT ConfigureL2IPMCs(  
         unsigned int eventIndex10,  
         unsigned int eventIndex11,  
         unsigned int eventIndex12,  
         unsigned int eventIndex13  
)  
```

### Parameters

*eventIndex10*   \
Type: unsigned int

Index of the event to count.

*eventIndex11*   \
Type: unsigned int

Index of the event to count.

*eventIndex12*   \
Type: unsigned int

Index of the event to count.

*eventIndex13*   \
Type: unsigned int

Index of the event to count.

### Return value

Type: HRESULT

Success or error code.

| Code | Description |
| - | - |
| S\_OK | Success. |
| E\_INVALIDARG | One or more of the indexes is out of range. |
| E\_ACCESS\_DENIED | Access to the driver is denied. |

## Remarks

There are two L2 caches and each L2 cache has 4 performance counters which can count events.\
ConfigureL2IPMCs configures the events of both L2s to be the same.\
The first L2 is tied to cores 0-3. The second is tied to cores 4-7. Events for a specific L2 must be read from a core tired to the specific L2.\
L2 transactions are 64 bytes.

| Index | Event | Description |
| - | - | - |
| 0 | Reserved | |
| 1 | L2MissICFill | The number of IC requests that miss the L2 |
| 2 | L2MissDCFill | The number of DC requests that miss the L2 |
| 3 | L2MissPrefetchFill | The number of prefetch requests that miss the L2 |
| 4 | L2MissAll | The total number of L2 Misses |
| 5 | L2Writeback | The number of L2 clean and dirty writebacks |
| 6 | L2CleanWriteback | The number of L2 clean writebacks |
| 7 | L2Fill | The number of L2 Fills |
| 8 | L2FillWriteback | The total number of L2 fills and writebacks |

## Requirements

**Header:** pix3.h

**Library:** pixevt.lib

**Supported platforms:** XBOX One family consoles and XBOX Series consoles

## See also

[GetPMCValue](https://docs.xbox.com/reference/tools/pix3/functions/getpmcvalue.md)\
[ConfigurePMCs](https://docs.xbox.com/reference/tools/pix3/functions/configurepmcs.md)\
[ConfigureNBPMCs](https://docs.xbox.com/reference/tools/pix3/functions/configurenbpmcs.md)\
[PIX3 on XBOX](https://docs.xbox.com/reference/tools/pix3/pix3_members.md)\
[PIX (NDA topic)](https://docs.xbox.com/tools/tools-console/pix/pix.md)


## Related topics

- [ConfigurePMCs](https://docs.xbox.com/reference/tools/pix3/functions/configurepmcs.md)
- [ConfigureNBPMCs](https://docs.xbox.com/reference/tools/pix3/functions/configurenbpmcs.md)
- [GetPMCValue](https://docs.xbox.com/reference/tools/pix3/functions/getpmcvalue.md)
- [PIX3 (API contents)](https://docs.xbox.com/reference/tools/pix3/pix3_members.md)
- [Xbox services configuration IDs, for Managed Partners](https://docs.xbox.com/services/xbox-services/fundamentals/portal-config/live-service-config-ids-mp.md)