d12b532265
The TestAfterQueueing test is inherently flaky because it relies on independent kernel threads being scheduled within the "delta" duration of each other. Normally, delta is 100ms but during "short" testing, it's reduced to 20ms. On at least OpenBSD, the CPU scheduler operates in 10ms time slices, so high system load (e.g., from running multiple Go unit tests in parallel, as happens during all.bash) can occasionally cause >20ms scheduling delays and result in test flaking. This manifests as issue 9903, which is the currently the most common OpenBSD flake. To mitigate this delay, only reduce the delta duration to 20ms for the first attempt during short testing. If this fails and the test is reattempted, subsequent attempts instead use a full 100ms delta. Fixes #9903. Change-Id: I11bdfa939e5be915f67ffad8a8aef6ed8772159a Reviewed-on: https://go-review.googlesource.com/9510 Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> |
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The Go Programming Language
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Binary Distribution Notes
If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this file). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install-source.html). You should also add the Go binary directory $GOROOT/bin to your shell's path.
For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:
export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin
See https://golang.org/doc/install or doc/install.html for more details.