libnvme(9) API Manual libnvme(9)

# [NAME](#NAME)

struct nvme\_std\_perf\_attr - Standard performance attribute structure

# [SYNOPSIS](#SYNOPSIS)

struct nvme\_std\_perf\_attr {  
**\_\_u8 rsvd0\[4];**  
**\_\_u8 r4karl;**  
**\_\_u8 rsvd5\[4091];**  
};

# [Members](#Members)

[rsvd0](#rsvd0)

Reserved

[r4karl](#r4karl)

Random 4 KiB average read latency

[rsvd5](#rsvd5)

Reserved

struct nvme\_std\_perf\_attr October 2026

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