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[OrderFiles] Don't allow lit to run dtrace multithreaded
authorChris Bieneman <beanz@apple.com>
Wed, 13 Apr 2016 17:12:56 +0000 (17:12 +0000)
committerChris Bieneman <beanz@apple.com>
Wed, 13 Apr 2016 17:12:56 +0000 (17:12 +0000)
commit8a4cb5943adc2e54a86134616da9cdde00851cab
tree6152ea86b0aaaaa53eee8fe13bcdee8e8a0df72btree | snapshot
parent4329eca357ee23753ccf00c9c0602d216739dee9commit | diff
[OrderFiles] Don't allow lit to run dtrace multithreaded

Dtrace is implemented to try and minimize performance impact on the process being traced. This results in dtrace dropping samples if it is taking too many CPU resources. Multi-threading dtrace increases the sample drop rate dramatically.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@266213 91177308-0d34-0410-b5e6-96231b3b80d8
utils/perf-training/CMakeLists.txt diff | blob | history
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