cpuid: read /proc/cpuinfo incrementally #11066
Closed
Conversation
This file contains 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
![copybara-service[bot]](https://avatars.githubusercontent.com/in/44061?s=60&v=4){kind=small}
copybara-service
bot
force-pushed
the
test/cl687465904
branch
2 times, most recently
from
e4d3885 to
e7e5cfa
Compare
copybara-service
bot
force-pushed
the
test/cl687465904
branch
from
e7e5cfa to
453f16e
Compare
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
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Outdated suggestions cannot be applied.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.
cpuid: read /proc/cpuinfo incrementally
On machines with many CPUs, reading all of /proc/cpuinfo spends a surprising
amount of time generating information for each CPU; reduce this time by reading
incrementally until we find the CPU frequency. On such machines, this saves
3-4ms on sentry startup.