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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Remove LegacyProfiler"
href="https://bugs.webkit.org/show_bug.cgi?id=153565">153565</a>
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<th>Summary</th>
<td>Remove LegacyProfiler
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>WebKit Nightly Build
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<th>Hardware</th>
<td>Unspecified
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<th>OS</th>
<td>Unspecified
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>JavaScriptCore
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>joepeck@webkit.org
</td>
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<th>CC</th>
<td>bburg@apple.com, ggaren@apple.com, joepeck@webkit.org, mark.lam@apple.com, sbarati@apple.com, timothy@apple.com
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<th>Depends on</th>
<td>153466
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<pre>* SUMMARY
Remove LegacyProfiler.
The Sampling Profiler does not require extra byte codes / recompilation, and is significantly faster. Once all ports enable SAMPLING_PROFILER we should remove the LegacyProfiler.
Bugs to update when old profiler and tests are removed:
<<a href="https://webkit.org/b/148819">https://webkit.org/b/148819</a>> Enabling the profiler shouldn't prevent us from performing tail call elimination
<<a href="https://webkit.org/b/142157">https://webkit.org/b/142157</a>> [EFL] Mark two profiler tests to flaky
<<a href="https://webkit.org/b/136067">https://webkit.org/b/136067</a>> [GTK] Layout Test fast/profiler/dead-time.html and fast/profiler/stop-profiling-after-setTimeout.html are flaky
<<a href="https://webkit.org/b/97791">https://webkit.org/b/97791</a>> fast/profiler/apply.html fails with LLInt on 32 bit
<<a href="https://webkit.org/b/95764">https://webkit.org/b/95764</a>> Crashes in fast/profiler layout tests after r127202
<<a href="https://webkit.org/b/49801">https://webkit.org/b/49801</a>> REGRESSION (r72351): fast/profiler/throw-exception-from-eval.html fails
<<a href="https://webkit.org/b/34230">https://webkit.org/b/34230</a>> fast/profiler/simple-no-level-change.html crashed on Snow Leopard Release Bot
<<a href="https://webkit.org/b/33490">https://webkit.org/b/33490</a>> fast/profiler/profile-calls-in-included-file.html crashed on the leopard Commit Bot
Blockers:
<<a href="https://webkit.org/b/153466">https://webkit.org/b/153466</a>> [GTK] JSC Sampling profiler is not enabled.</pre>
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