Try to read tsc_freq_khz from kernel if available, for more accurate cycles_per_sec#26
Open
lun3x wants to merge 3 commits intotikv:masterfrom
Open
Try to read tsc_freq_khz from kernel if available, for more accurate cycles_per_sec#26lun3x wants to merge 3 commits intotikv:masterfrom
lun3x wants to merge 3 commits intotikv:masterfrom
Conversation
Assert cps and cps2 are eq fix syntax use error types specify error types print string if error Trim whitespace before parsing Try read from kernel first, otherwise calculate value Syntax
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
This repo outlines a method for exporting the TSC frequency in kHz from the linux kernel. If it is available it would be useful to use it. This PR tries to read this value and uses it if available. If not it falls back to the existing calculations.
https://github.com/trailofbits/tsc_freq_khz
Hope this is useful!