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[XRay][docs] Update instructions

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Add `xray_mode=xray-basic` to the list of options in the "further
exploration" section of the doc.

llvm-svn: 340843
This commit is contained in:
Dean Michael Berris 2018-08-28 16:46:27 +00:00
parent 0965eef0c0
commit 28fa23e5d2
1 changed files with 1 additions and 1 deletions
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docs/XRayExample.rst
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@ -301,7 +301,7 @@ We then build the above with XRay instrumentation:
::
$ clang++ -o sample -O3 sample.cc -std=c++11 -fxray-instrument -fxray-instruction-threshold=1
$ XRAY_OPTIONS="patch_premain=true" ./sample
$ XRAY_OPTIONS="patch_premain=true xray_mode=xray-basic" ./sample
We can then explore the graph rendering of the trace generated by this sample
application. We assume you have the graphviz toosl available in your system,