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Nick Ripley 2d83b646d6 runtime/trace: enable frame pointer unwinding by default for amd64 and arm64 
Re-enable frame pointer unwinding for execution tracing on amd64 by
default, now that CL 489015 and CL 488755 have fixed recently-discovered
crashes. This reverts CL 486382.

These fixes, together with CL 241158 to fix up frame pointers when
copying stacks on arm64, also make frame pointer unwinding for tracing
safe to enable for arm64. This should significantly reduce the CPU and
latency overhead of execution tracing on arm64, as it has for amd64.

Co-Authored-By: Felix Geisendörfer <felix.geisendoerfer@datadoghq.com>
Change-Id: I64a88bd69dfd8cb13956ec46f8b1203dbeaa26a6
Reviewed-on: https://go-review.googlesource.com/c/go/+/490815
Reviewed-by: Felix Geisendörfer <felix.geisendoerfer@datadoghq.com>
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README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 4.0 Attributions license.

Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

Download and Install

Binary Distributions

Official binary distributions are available at https://go.dev/dl/.

After downloading a binary release, visit https://go.dev/doc/install for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://go.dev/doc/install/source for source installation instructions.

Contributing

Go is the work of thousands of contributors. We appreciate your help!

To contribute, please read the contribution guidelines at https://go.dev/doc/contribute.

Note that the Go project uses the issue tracker for bug reports and proposals only. See https://go.dev/wiki/Questions for a list of places to ask questions about the Go language.