libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvme\_nvmset\_predictable\_lat\_log - Predictable Latency Mode - Deterministic Threshold Configuration Data

# [SYNOPSIS](#SYNOPSIS)

struct nvme\_nvmset\_predictable\_lat\_log {  
**\_\_u8 status;**  
**\_\_u8 rsvd1;**  
**\_\_le16 event\_type;**  
**\_\_u8 rsvd4\[28];**  
**\_\_le64 dtwin\_rt;**  
**\_\_le64 dtwin\_wt;**  
**\_\_le64 dtwin\_tmax;**  
**\_\_le64 ndwin\_tmin\_hi;**  
**\_\_le64 ndwin\_tmin\_lo;**  
**\_\_u8 rsvd72\[56];**  
**\_\_le64 dtwin\_re;**  
**\_\_le64 dtwin\_we;**  
**\_\_le64 dtwin\_te;**  
**\_\_u8 rsvd152\[360];**  
};

# [Members](#Members)

[status](#status)

Status

[rsvd1](#rsvd1)

Reserved

[event\_type](#event_type)

Event Type

[rsvd4](#rsvd4)

Reserved

[dtwin\_rt](#dtwin_rt)

DTWIN Reads Typical

[dtwin\_wt](#dtwin_wt)

DTWIN Writes Typical

[dtwin\_tmax](#dtwin_tmax)

DTWIN Time Maximum

[ndwin\_tmin\_hi](#ndwin_tmin_hi)

NDWIN Time Minimum High

[ndwin\_tmin\_lo](#ndwin_tmin_lo)

NDWIN Time Minimum Low

[rsvd72](#rsvd72)

Reserved

[dtwin\_re](#dtwin_re)

DTWIN Reads Estimate

[dtwin\_we](#dtwin_we)

DTWIN Writes Estimate

[dtwin\_te](#dtwin_te)

DTWIN Time Estimate

[rsvd152](#rsvd152)

Reserved

struct nvme\_nvmset\_predictable\_lat\_log October 2026

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