Bump io-event from 1.7.5 to 1.8.4

[dependabot]

Bumps io-event from 1.7.5 to 1.8.4.

Changelog

Sourced from io-event's changelog.

Releases

v1.8.0

Detecting fibers that are stalling the event loop.

A new (experimental) feature for detecting fiber stalls has been added. This feature is disabled by default and can be enabled by setting the IO_EVENT_SELECTOR_STALL_LOG_THRESHOLD to true or a floating point number representing the threshold in seconds.

When enabled, the event loop will measure and profile user code when resuming a fiber. If the fiber takes too long to return back to the event loop, the event loop will log a warning message with a profile of the fiber's execution.

> cat test.rb 
#!/usr/bin/env ruby
require_relative "lib/async"
Async do

Fiber.blocking do

sleep 1

end

end
> IO_EVENT_SELECTOR_STALL_LOG_THRESHOLD=true bundle exec ./test.rb

Fiber stalled for 1.003 seconds

/home/samuel/Developer/socketry/async/test.rb:6 in '#<Class:Fiber>#blocking' (1s)

/home/samuel/Developer/socketry/async/test.rb:7 in 'Kernel#sleep' (1s)

There is a performance overhead to this feature, so it is recommended to only enable it when debugging performance issues.

Commits

• b7372bd Bump patch version.
• a3bace6 Correctly calculate total duration in output formatting.
• f793772 Bump patch version.
• 188715c Output profile log as JSON if !istty.
• 38b7c9e Fix typo.
• 2da6638 Bump patch version.
• 0601d1d Fix profiling.
• 77f0664 Rename event -> call.
• 1596d13 Bump patch version.
• 06fab4c Initial rework of call tracking.
• Additional commits viewable in compare view

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