mirror
/
go
mirror of https://github.com/golang/go.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

doc: mention frame pointers in Go 1.7 release notes 

For #15840.

Change-Id: I2ecf5c7b00afc2034cf3d7a1fd78636a908beb67
Reviewed-on: https://go-review.googlesource.com/23517
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
This commit is contained in:
Russ Cox 2016-05-27 16:30:03 -04:00
parent 496cf215cf
commit 3a6a41868e
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
doc/go1.7.html
View File

@ -185,6 +185,17 @@ built with Go 1.6,
sometimes by as much as 20-30%.
</p>
<p>
On x86-64 systems, Go programs now maintain stack frame pointers
as expected by profiling tools like Linux's perf and Intel's VTune,
making it easier to analyze and optimize Go programs using these tools.
The frame pointer maintenance has a small run-time overhead that varies
but averages around 2%. We hope to reduce this cost in future releases.
To build a toolchain that does not use frame pointers, set
<code>GOEXPERIMENT=noframepointer</code> when running
<code>make.bash</code>, <code>make.bat</code>, or <code>make.rc</code>.
</p>
<h3 id="cmd/cgo">Cgo</h3>
<p>