---
name: "nvme_get_ctrl_telemetry"
section: "2"
platform: "linux"
package: "libnvme-dev"
version: "1.13-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/nvme_get_ctrl_telemetry"
---

# nvme\_get\_ctrl\_telemetry(2)

Get controller telemetry log

## NAME

nvme\_get\_ctrl\_telemetry - Get controller telemetry log

## SYNOPSIS

**int nvme\_get\_ctrl\_telemetry** **(int fd** *,* **bool rae** *,* **struct nvme\_telemetry\_log \*\*log** *,* **enum nvme\_telemetry\_da da** *,* **size\_t \*size** *);*

## ARGUMENTS

- fd

  File descriptor of nvme device

- rae

  Retain asynchronous events

- log

  On success, set to the value of the allocated and retrieved log.

- da

  Log page data area, valid values: *enum nvme\_telemetry\_da*

- size

  Ptr to the telemetry log size, so it can be returned

## DESCRIPTION

The total size allocated can be calculated as: (nvme\_telemetry\_log da size  + 1) \* NVME\_LOG\_TELEM\_BLOCK\_SIZE.

## RETURN

The nvme command status if a response was received (see *enum nvme\_status\_field*) or -1 with errno set otherwise.