tree 95c270ce0d3681ccf4f8628552ff1e75a3bf1227
parent a6a71ad36d26304347d9681ae200afc2230932d9
author Ilya Biryukov <ibiryukov@google.com> 1528804581 +0000
committer Ilya Biryukov <ibiryukov@google.com> 1528804581 +0000

[clangd] Trace time the operations wait on Semaphore.

The Semaphore is currently used to limit the number of concurrently
running tasks. Tracing the wait times will allow to find out how much
time is wasted waiting on other operations to complete.

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@334495 91177308-0d34-0410-b5e6-96231b3b80d8