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2 Commits

Author SHA1 Message Date
Joe Tsai
0744d75238 tstime/rate: deflake TestLongRunningQPS 
This test is highly dependent on the accuracy of OS timers.
Reduce the number of failures by decreasing the required
accuracy from 0.999 to 0.995.
Also, switch from repeated time.Sleep to using a time.Ticker
for improved accuracy.

Updates #2727

Signed-off-by: Joe Tsai <joetsai@digital-static.net>
(cherry picked from commit 30458c71c8)
 2021-08-30 12:20:31 -07:00
Josh Bleecher Snyder
9da4181606 tstime/rate: new package 
This is a simplified rate limiter geared for exactly our needs:
A fast, mono.Time-based rate limiter for use in tstun.
It was generated by stripping down the x/time/rate rate limiter
to just our needs and switching it to use mono.Time.

It removes one time.Now call per packet.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
 2021-07-29 12:56:58 -07:00