Convert bpf(9) counters to counter(9).
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Authored by melifaro on Mar 17 2018, 11:35 PM.

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ae
kp

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network

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rS331275: Use count(9) api for the bpf(4) statistics.

Summary

Currently each bfp descriptor uses u64 variables to maintain its counters.
On interfaces with high packet rate this leads to unnecessary contention and
inaccurate reporting. Fix this by using standard counter(9) API for each counter.

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rS FreeBSD src repository - subversion

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Event Timeline

melifaro created this revision.Mar 17 2018, 11:35 PM

Herald added a subscriber: imp. · View Herald TranscriptMar 17 2018, 11:35 PM

Harbormaster completed remote builds in B15625: Diff 40395.Mar 17 2018, 11:35 PM

Looks sane to me.

This revision is now accepted and ready to land.Mar 18 2018, 11:23 AM

Closed by commit rS331275: Use count(9) api for the bpf(4) statistics. (authored by melifaro). · Explain WhyMar 20 2018, 10:57 PM

This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

Path

Size

head/

sys/

net/

bpf.c

95 lines

bpfdesc.h

15 lines

Diff 40525

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head/sys/net/bpf.c