NEW! E-SMI library 1.2 is now available                     Downloads   User Guide

The EPYC™ System Management Interface In-band Library, is a C-library for Linux, which provides APIs for In-band user space software to monitor and control the CPU’s power, energy, performance, and other system management functionality.

Highlights of minor release v1.2

  • Support to compile E-SMI In-band library as static
  • Support for new system management features in tool and library, such as
    • Get SMU Firmware version
    • Get PROCHOT status
    • Get clocks
      • CPU clock frequency limit
      • Data Fabric Clock(fclk),
      • DRAM Memory Clock(mclk) and
    • Provide maximum DDR bandwidth(theoritical) & DDR bandwidth utilization
  • Add more options and improve tool’s console output for readability

Highlights of minor release v1.1

  • Support for creating RPM and DEB packages
  • Auxiliary APIs to provide system topology
  • An API to read all the Energy counters on the CPU at once.
  • Single command to create doxygen based PDF document
  • Updated e_smi_tool supporting all the above information
  • Cosmetic changes to the tool

Highlights of minor release v1.0

  • Power
    • Current Power Consumed
    • Power Limit
    • Max Power Limit
  • Performance
    • Boostlimit
  • Energy
    • Energy Consumed
  • e_smi_tool, user application supporting all the above information.

Specifications

Processors:

Target released for AMD EPYC™ Zen3 processor Family 19h, model 0h-Fh and 30h-3Fh.

Operating Systems

AMD E-SMI In-band library is tested on following distributions

  • Ubuntu 18.04,
  • SUSE SLES 15 and
  • RHEL 8.1

Resources and Technical Support

Resources

Support

Thank you for using AMD E-SMI In-band Library. Please use E-SMI In-band Support for bug reports, support and feature requests.

Known Issues

In creating package if “make install” is used previously with “sudo”, need to create package with sudo permission, “sudo make package”, else permission denied error is popped.

Download

File Name Version Size Launch Date OS Bitness Description

File Name

Version

1.2

Size

284K

Launch Date

03/31/2021

OS

Ubuntu/ SUSE

Bitness

64-bit

Description

e-smi deb release package. MD5 Checksum: 74bd66d83e7930f70644a395d5e81b9d

File Name

Version

1.2

Size

292K

Launch Date

03/31/2021

OS

Ubuntu/ SUSE

Bitness

64-bit

Description

e-smi rpm release package. MD5 Checksum: aae33757090a761e6011e7c7cd567a25