ecd2e140ec
the CgoPprof tests currently assume that calls to their cgoTraceback functions are primarily for generating pprof samples and exit early after receiving two calls. This is a fragile assumption, as cgoTraceback will be called for _any_ signal received, hence why the test already looks for 2 calls instead of 1. Still, this has caused flaky failures in two cases: * #37201, where async preemption signals add additional probability of receiving non-profiling signals. This was resolved by disabling async preemption. * #49401, where some ITIMER_PROF SIGPROF signals are ignored in favor of per-thread SIGPROF signals. Rather than attempting to keep plugging holes, this CL drops the fragile assumption from these tests. Now they simply unconditionally run for the full 1s before exiting. Fixes #49401 Change-Id: I16dc9d2f16c2fb511e9db93dd096a402121f86ac Reviewed-on: https://go-review.googlesource.com/c/go/+/363634 Trust: Michael Pratt <mpratt@google.com> Run-TryBot: Michael Pratt <mpratt@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Bryan C. Mills <bcmills@google.com> Reviewed-by: Rhys Hiltner <rhys@justin.tv> |
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README.md
The Go Programming Language
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