[libcxx-commits] [libcxx] [libc++] Add link to premerge tesing dashboard to docs. (PR #160342)

[Aiden Grossman via libcxx-commits]

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@@ -330,6 +330,17 @@ has been merged, an LLVM premerge maintainer (a Google employee) must use
 terraform to apply the change to the running GKE cluster.
 
 
+monitoring premerge testing performance
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The llvm-premerge-libcxx runners mentioned above collect metrics regarding the
+time the tests spend queued up before they start running and also the time it
+takes the tests to actually complete running. These metrics are collected and
+aggregated (based on stage and PR), and the results can be seen at this
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boomanaiden154 wrote:

Nit: s/this/the

https://github.com/llvm/llvm-project/pull/160342