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doc: in Go 1.8 notes, mention lack of RWMutex in contention profile

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For #18496.

Change-Id: I50ced7c9f0fe5d9c627eef1f59a7f73be742e04c
Reviewed-on: https://go-review.googlesource.com/34831
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Russ Cox 2017-01-04 13:37:33 -05:00
parent f64b7d301d
commit 20cdb62c49
1 changed files with 7 additions and 0 deletions
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doc/go1.8.html
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@ -631,6 +631,13 @@ now implements the new
<a href="/pkg/runtime/#SetMutexProfileFraction"><code>SetMutexProfileFraction</code></a>.
</p>
<p>
A known limitation for Go 1.8 is that the profile only reports contention for
<a href="/pkg/sync/#Mutex"><code>sync.Mutex</code></a>,
not
<a href="/pkg/sync/#RWMutex"><code>sync.RWMutex</code></a>.
</p>
<h3 id="minor_library_changes">Minor changes to the library</h3>
<p>