Software / code / prosody
Diff
net/server_epoll.lua @ 11694:d6be4dda1f60
net.server_epoll: Set minimum wait time to 1ms, matching epoll
A timeout value less than 0.001 gets turned into zero on the C side, so
epoll_wait() returns instantly and essentially busy-loops up to 1ms,
e.g. when a timer event ends up scheduled (0, 0.001)ms into the future.
Unsure if this has much effect in practice, but it may waste a small
amount of CPU time. How much would depend on how often this ends up
happening and how fast the CPU gets trough main loop iterations.
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Thu, 15 Jul 2021 01:38:44 +0200 |
| parent | 11689:f9f6e82fb572 |
| child | 11695:1573099157c9 |
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--- a/net/server_epoll.lua Thu Jul 15 00:38:27 2021 +0200 +++ b/net/server_epoll.lua Thu Jul 15 01:38:44 2021 +0200 @@ -65,7 +65,7 @@ -- Maximum and minimum amount of time to sleep waiting for events (adjusted for pending timers) max_wait = 86400; - min_wait = 1e-06; + min_wait = 0.001; -- Enable extra noisy debug logging -- TODO disable once considered stable
