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<h3>
Daneel S. Yaitskov pushed to branch wip/T17949
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
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<h4>
Commits:
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1e75dc7dea47932b40bc106fc79605cf0dbaa8e6">1e75dc7d</a></strong>
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<span>by Daneel Yaitskov</span>
<i>at 2020-06-05T19:01:11-07:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Revert "T17949 double check traceEvent and traceMarker"
This reverts commit 562f75c0ac60145574e31dc141de555b6ee6f100.
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<h4>1 changed file:</h4>
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<a href="#cbecf35546dee344ca6fb2e73c7515f07e868d0f">
libraries/base/Debug/Trace.hs
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<h4>Changes:</h4>
<li id="cbecf35546dee344ca6fb2e73c7515f07e868d0f">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1e75dc7dea47932b40bc106fc79605cf0dbaa8e6#cbecf35546dee344ca6fb2e73c7515f07e868d0f"><strong>libraries/base/Debug/Trace.hs</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -266,14 +266,9 @@ traceStack str expr = unsafePerformIO $ do</td>
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<pre style="margin: 0;"> <span id="LC266" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;"> <span id="LC267" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @since 4.5.0.0</span></span>
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<pre style="margin: 0;"> <span id="LC268" class="line" lang="haskell"><span class="n" style="color: #333;">traceEvent</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">String</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC269" class="line" lang="haskell"><span class="n" style="color: #333;">traceEvent</span> <span class="n" style="color: #333;">msg</span> <span class="n" style="color: #333;">expr</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;">-<span id="LC270" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">userTracingEnabled</span></span>
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<pre style="margin: 0;">-<span id="LC271" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">then</span></span>
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<pre style="margin: 0;">-<span id="LC272" class="line" lang="haskell"> <span class="n" style="color: #333;">unsafeDupablePerformIO</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC273" class="line" lang="haskell"> <span class="n" style="color: #333;">traceEventIO</span> <span class="n" style="color: #333;">msg</span></span>
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<pre style="margin: 0;">-<span id="LC274" class="line" lang="haskell"> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">expr</span></span>
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<pre style="margin: 0;">-<span id="LC275" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">else</span></span>
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<pre style="margin: 0;">-<span id="LC276" class="line" lang="haskell"> <span class="n" style="color: #333;">expr</span></span>
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<pre style="margin: 0;">+<span id="LC269" class="line" lang="haskell"><span class="n" style="color: #333;">traceEvent</span> <span class="n" style="color: #333;">msg</span> <span class="n" style="color: #333;">expr</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unsafeDupablePerformIO</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">+<span id="LC270" class="line" lang="haskell"> <span class="n" style="color: #333;">traceEventIO</span> <span class="n" style="color: #333;">msg</span></span>
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<pre style="margin: 0;">+<span id="LC271" class="line" lang="haskell"> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">expr</span></span>
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<pre style="margin: 0;"> <span id="LC272" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC273" class="line" lang="haskell"><span class="cd">-- | The 'traceEventIO' function emits a message to the eventlog, if eventlog</span></span>
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<pre style="margin: 0;"> <span id="LC274" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- profiling is available and enabled at runtime.</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -323,14 +318,9 @@ traceEventIO msg =</td>
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<pre style="margin: 0;"> <span id="LC318" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">--</span></span>
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<pre style="margin: 0;"> <span id="LC319" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- @since 4.7.0.0</span></span>
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<pre style="margin: 0;"> <span id="LC320" class="line" lang="haskell"><span class="n" style="color: #333;">traceMarker</span> <span class="o" style="font-weight: 600;">::</span> <span class="kt" style="color: #458; font-weight: 600;">String</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">a</span></span>
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<pre style="margin: 0;">-<span id="LC326" class="line" lang="haskell"><span class="n" style="color: #333;">traceMarker</span> <span class="n" style="color: #333;">msg</span> <span class="n" style="color: #333;">expr</span> <span class="o" style="font-weight: 600;">=</span></span>
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<pre style="margin: 0;">-<span id="LC327" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">userTracingEnabled</span></span>
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<pre style="margin: 0;">-<span id="LC328" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">then</span></span>
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<pre style="margin: 0;">-<span id="LC329" class="line" lang="haskell"> <span class="n" style="color: #333;">unsafeDupablePerformIO</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">-<span id="LC330" class="line" lang="haskell"> <span class="n" style="color: #333;">traceMarkerIO</span> <span class="n" style="color: #333;">msg</span></span>
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<pre style="margin: 0;">-<span id="LC331" class="line" lang="haskell"> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">expr</span></span>
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<pre style="margin: 0;">-<span id="LC332" class="line" lang="haskell"> <span class="kr" style="font-weight: 600;">else</span></span>
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<pre style="margin: 0;">-<span id="LC333" class="line" lang="haskell"> <span class="n" style="color: #333;">expr</span></span>
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<pre style="margin: 0;">+<span id="LC321" class="line" lang="haskell"><span class="n" style="color: #333;">traceMarker</span> <span class="n" style="color: #333;">msg</span> <span class="n" style="color: #333;">expr</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">unsafeDupablePerformIO</span> <span class="o" style="font-weight: 600;">$</span> <span class="kr" style="font-weight: 600;">do</span></span>
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<pre style="margin: 0;">+<span id="LC322" class="line" lang="haskell"> <span class="n" style="color: #333;">traceMarkerIO</span> <span class="n" style="color: #333;">msg</span></span>
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<pre style="margin: 0;">+<span id="LC323" class="line" lang="haskell"> <span class="n" style="color: #333;">return</span> <span class="n" style="color: #333;">expr</span></span>
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<pre style="margin: 0;"> <span id="LC324" class="line" lang="haskell"></span>
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<pre style="margin: 0;"> <span id="LC325" class="line" lang="haskell"><span class="cd">-- | The 'traceMarkerIO' function emits a marker to the eventlog, if eventlog</span></span>
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<pre style="margin: 0;"> <span id="LC326" class="line" lang="haskell"><span class="c1" style="color: #998; font-style: italic;">-- profiling is available and enabled at runtime.</span></span>
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