libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

enum nvme\_nvmset\_pl\_events - Predictable Latency Per NVM Set Log - Event Type

# [SYNOPSIS](#SYNOPSIS)

enum nvme\_nvmset\_pl\_events {  
**NVME\_NVMSET\_PL\_EVENT\_DTWIN\_READ\_WARN** ,  
**NVME\_NVMSET\_PL\_EVENT\_DTWIN\_WRITE\_WARN** ,  
**NVME\_NVMSET\_PL\_EVENT\_DTWIN\_TIME\_WARN** ,  
**NVME\_NVMSET\_PL\_EVENT\_DTWIN\_EXCEEDED** ,  
**NVME\_NVMSET\_PL\_EVENT\_DTWIN\_EXCURSION**

};

# [Constants](#Constants)

[NVME\_NVMSET\_PL\_EVENT\_DTWIN\_READ\_WARN](#NVME_NVMSET_PL_EVENT_DTWIN_READ_WARN)

DTWIN Reads Warning

[NVME\_NVMSET\_PL\_EVENT\_DTWIN\_WRITE\_WARN](#NVME_NVMSET_PL_EVENT_DTWIN_WRITE_WARN)

DTWIN Writes Warning

[NVME\_NVMSET\_PL\_EVENT\_DTWIN\_TIME\_WARN](#NVME_NVMSET_PL_EVENT_DTWIN_TIME_WARN)

DTWIN Time Warning

[NVME\_NVMSET\_PL\_EVENT\_DTWIN\_EXCEEDED](#NVME_NVMSET_PL_EVENT_DTWIN_EXCEEDED)

Autonomous transition from DTWIN to NDWIN due to typical or maximum value exceeded

[NVME\_NVMSET\_PL\_EVENT\_DTWIN\_EXCURSION](#NVME_NVMSET_PL_EVENT_DTWIN_EXCURSION)

Autonomous transition from DTWIN to NDWIN due to Deterministic Excursion

enum nvme\_nvmset\_pl\_events October 2026

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Document: nvme_nvmset_pl_events-libnvme3(2) from nvme-cli 3.2-r0 (Chainguard OS)
Source: https://github.com/linux-nvme/nvme-cli