Differences
This shows you the differences between two versions of the page.
|
ep:labs:03:contents:tasks:ex5 [2026/01/14 14:07] radu.mantu |
ep:labs:03:contents:tasks:ex5 [2026/01/14 16:59] (current) radu.mantu |
||
|---|---|---|---|
| Line 38: | Line 38: | ||
| Use the //sysfs// interface to revert the **RDPMC** access behavior to the pre-4.0 version. | Use the //sysfs// interface to revert the **RDPMC** access behavior to the pre-4.0 version. | ||
| + | |||
| + | <solution -hidden> | ||
| + | <code bash> | ||
| + | $ echo 2 | sudo tee /sys/bus/event_source/devices/cpu/rdpmc | ||
| + | </code> | ||
| + | </solution> | ||
| === Task C - Configure IA32_PERF_GLOBAL_CTRL === | === Task C - Configure IA32_PERF_GLOBAL_CTRL === | ||
| Line 96: | Line 102: | ||
| An easier alternative to scouring through the Intel manuals would be to use [[https://perfmon-events.intel.com/platforms/tigerlake/core-events/core/|perfmon-events.intel.com]]. Get your CPU //"model name"// from ''/proc/cpuinfo'' and identify your microarchitecture based on the table below. Then search for the desired event in the appropriate section of the site. | An easier alternative to scouring through the Intel manuals would be to use [[https://perfmon-events.intel.com/platforms/tigerlake/core-events/core/|perfmon-events.intel.com]]. Get your CPU //"model name"// from ''/proc/cpuinfo'' and identify your microarchitecture based on the table below. Then search for the desired event in the appropriate section of the site. | ||
| - | ^ Generation ^ Microarchitecture (Core Codename) ^ Release Year ^ Typical CPU Numbers ^ | + | ^ Generation ^ Microarchitecture (Core Codename) ^ Release Year ^ Typical CPU Numbers ^ |
| - | | 1st | Nehalem / Westmere | 2008–2010 | i3,5,7 3xx–9xx | | + | | 1st | Nehalem / Westmere | 2008–2010 | i3,5,7 3xx–9xx | |
| - | | 2nd | Sandy Bridge | 2011 | i3,5,7 2xxx | | + | | 2nd | Sandy Bridge | 2011 | i3,5,7 2xxx | |
| - | | 3rd | Ivy Bridge | 2012 | i3,5,7 3xxx | | + | | 3rd | Ivy Bridge | 2012 | i3,5,7 3xxx | |
| - | | 4th | Haswell | 2013 | i3,5,7 4xxx | | + | | 4th | Haswell | 2013 | i3,5,7 4xxx | |
| - | | 5th | Broadwell | 2014–2015 | i3,5,7 5xxx | | + | | 5th | Broadwell | 2014–2015 | i3,5,7 5xxx | |
| - | | 6th | Skylake | 2015 | i3,5,7 6xxx | | + | | 6th | Skylake | 2015 | i3,5,7 6xxx | |
| - | | 7th | Kaby Lake | 2016–2017 | i3,5,7 7xxx | | + | | 7th | Kaby Lake | 2016–2017 | i3,5,7 7xxx | |
| - | | 8th | Coffee Lake / Amber Lake / Whiskey Lake | 2017–2018 | i3,5,7 8xxx | | + | | 8th | Coffee Lake / Amber Lake / Whiskey Lake | 2017–2018 | i3,5,7 8xxx | |
| - | | 9th | Coffee Lake Refresh | 2018–2019 | i3,5,7,9 9xxx | | + | | 9th | Coffee Lake Refresh | 2018–2019 | i3,5,7,9 9xxx | |
| - | | 10th | Comet Lake / Ice Lake / Tiger Lake | 2019–2020 | i3,5,7,9 10xxx | | + | | 10th | Comet Lake / Ice Lake / Tiger Lake | 2019–2020 | i3,5,7,9 10xxx | |
| - | | 11th | Rocket Lake / Tiger Lake | 2021 | i3,5,7,9 11xxx | | + | | 11th | Rocket Lake / Tiger Lake | 2021 | i3,5,7,9 11xxx | |
| - | | 12th | Alder Lake | 2021–2022 | i3,5,7,9 12xxx | | + | | 12th | Alder Lake | 2021–2022 | i3,5,7,9 12xxx | |
| - | | 13th | Raptor Lake | 2022–2023 | i3,5,7,9 13xxx | | + | | 13th | Raptor Lake | 2022–2023 | i3,5,7,9 13xxx | |
| - | | 14th | Raptor Lake Refresh | 2023–2024 | i3,5,7,9 14xxx | | + | | 14th | Raptor Lake Refresh | 2023–2024 | i3,5,7,9 14xxx | |
| - | | — | Meteor Lake | 2023–2024 | Core Ultra 5,7,9 1xx | | + | | — | Meteor Lake | 2023–2024 | Core Ultra 5,7,9 1xx | |
| - | | — | Arrow Lake / Lunar Lake | 2024–2025 | Core Ultra 5,7,9 2xx | | + | | — | Arrow Lake / Lunar Lake | 2024–2025 | Core Ultra 5,7,9 2xx | |
| </note> | </note> | ||
