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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Add a flag to disable emitting the custom event instrumentation points"
href="https://bugs.llvm.org/show_bug.cgi?id=36926">36926</a>
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<th>Summary</th>
<td>Add a flag to disable emitting the custom event instrumentation points
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<th>Product</th>
<td>XRay
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Clang
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<th>Assignee</th>
<td>dberris@google.com
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<th>Reporter</th>
<td>dberris@google.com
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<p>
<div>
<pre>This allows us to control whether or not we want to emit the custom event
instrumentation points. We want this for the following reasons:
- The instrumentation points are not supported in all platforms yet. We can set
the default for these flags differently for different targets/front-ends.
- The instrumentation points are currently expensive in terms of impact in code
size as well as runtime overheads.
- Provide more controls of the XRay instrumentation features we're providing at
compile-time to allow users to make trade-offs on which kinds of sleds should
be emitted (as we add more instrumentation point types in the future).</pre>
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