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Differential D15410

Convert if_afdata read lock path to epoch
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Authored by mmacy on May 13 2018, 5:13 AM.
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Details

Reviewers
ae
jeff
gallatin
shurd
sbruno
olivier
melifaro
Summary
  • Convert write lock to mutex
  • Convert read lock to epoch
  • Do destroy / free of llentrys after grace period has elapsed

For the impact see flame graph 4 -> 5 at:
https://github.com/ScaleBSD/scalebsd.github.io/blob/master/_drafts/2018-05-12-UDP-On-FreeBSD-is-anyone-using-this-at-scale.md

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Repository
rS FreeBSD src repository - subversion
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Revision Contents
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PathSize
sys/
net/
2 lines
16 lines
24 lines
netinet/
10 lines
netinet6/
10 lines

Diff 42468

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sys/net/if_llatbl.h

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sys/net/if_llatbl.c

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sys/net/if_var.h

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sys/netinet/in.c

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sys/netinet6/in6.c

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