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<h3>
Ben Gamari pushed to branch wip/unloading-fixes
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7e93ae8b2257c17d5ae5ef7832db723e897c8e8b">7e93ae8b</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-11-21T13:13:29-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts: Post ticky entry counts to the eventlog
We currently only post the entry counters, not the other global
counters as in my experience the former are more useful. We use the heap
profiler's census period to decide when to dump.
Also spruces up the documentation surrounding ticky-ticky a bit.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/bc9c3916df96a20c58b91fd383a0da77ec83c4b0">bc9c3916</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-11-22T06:28:10-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Implement -ddump-c-backend argument
To dump output of the C backend.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/901bc2208a115e0f8313b3aa9abc76fd05509aaa">901bc220</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-11-22T12:39:02-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bump time submodule to 1.11.1
Also bumps directory, Cabal, hpc, time, and unix submodules.
Closes #18847.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/92c0afbf592e71dae3c80cec09b1596df50ff8a9">92c0afbf</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-11-22T12:39:38-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">hadrian: Dump STG when ticky is enabled
This changes the "ticky" modifier to enable dumping of final STG as this
is generally needed to make sense of the ticky profiles.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d23fef68415ce6587f77e9530cb0571bb90b31cc">d23fef68</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-11-22T12:39:38-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">hadrian: Introduce notion of flavour transformers
This extends Hadrian's notion of "flavour", as described in #18942.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/179d0becd2ddfa216f7b221df9fc520a352fdbe7">179d0bec</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-11-22T12:39:38-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">hadrian: Add a viaLlvmBackend modifier
Note that this also slightly changes the semantics of these flavours as
we only use LLVM for >= stage1 builds.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d4d95e51a463e539fceb1c6f191e84adaa337e3b">d4d95e51</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-11-22T12:39:38-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">hadrian: Add profiled_ghc and no_dynamic_ghc modifiers
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6815603f271484766425ff2e37043b78da2d073c">6815603f</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-11-22T12:39:38-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">hadrian: Drop redundant flavour definitions
Drop the profiled, LLVM, and ThreadSanitizer flavour definitions as
these can now be realized with flavour transformers.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f88f43398217a5f4c2d326555e21fb1417a21db2">f88f4339</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-11-24T02:43:20-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts: Flush eventlog buffers from flushEventLog
As noted in #18043, flushTrace failed flush anything beyond the writer.
This means that a significant amount of data sitting in capability-local
event buffers may never get flushed, despite the users' pleads for us to
flush.
Fix this by making flushEventLog flush all of the event buffers before
flushing the writer.
Fixes #18043.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7c03cc5010999d0f0f9dfc549984023b3a1f2c8d">7c03cc50</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-11-24T02:43:55-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Run LLVM job on appropriately-labelled MRs
Namely, those marked with the ~"LLVM backend" label
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9b95d815d718ce671e9e87b8a2eb0534ed5688dd">9b95d815</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-11-24T02:43:55-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Run LLVM builds on Debian 10
The current Debian 9 image doesn't provide LLVM 7.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2ed3e6c0f179c06828712832d1176519cdfa82a6">2ed3e6c0</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-11-24T02:43:55-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">CmmToLlvm: Declare signature for memcmp
Otherwise `opt` fails with:
error: use of undefined value '@memcmp$def'
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/29e7322e618e82e650b75d7c0b54d1071337b0ae">29e7322e</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-11-27T17:31:07+00:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts/linker: Don't allow shared libraries to be loaded multiple times
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/cdc120865ef60657dd79b977bf1d2e84102cac14">cdc12086</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-11-27T17:31:07+00:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts/linker: Initialise CCSs from native shared objects
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ca3d02f67188cc21d362a786ca3b37015794fc48">ca3d02f6</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-11-27T17:31:07+00:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts/linker: Move shared library loading logic into Elf.c
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/28e537b5b86da7a1ea821fd7950650e6aa751658">28e537b5</a></strong>
<div>
<span>by GHC GitLab CI</span>
<i>at 2020-11-27T17:31:07+00:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts/linker: Don't declare dynamic objects with image_mapped
This previously resulted in warnings due to spurious unmap failures.
</pre>
</li>
</ul>
<h4>30 changed files:</h4>
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<a href="#587d266bb27a4dc3022bbed44dfa19849df3044c">
.gitlab-ci.yml
</a>
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<li class="file-stats">
<a href="#b5ac041c7f79084a7a7626eda4cdadda3457d235">
compiler/GHC/CmmToLlvm/Base.hs
</a>
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<li class="file-stats">
<a href="#9df7e695170800345fb44916a8e8f4b8f3c55be0">
compiler/GHC/Driver/CodeOutput.hs
</a>
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<li class="file-stats">
<a href="#2e5692f568fd7b67a6b172e2a60469da8392508c">
compiler/GHC/Driver/Flags.hs
</a>
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<li class="file-stats">
<a href="#774d88050336ef660c7a219fb06c480c2fc639bc">
compiler/GHC/Driver/Session.hs
</a>
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<li class="file-stats">
<a href="#0f33fd88c617246c7f89c4477d2d1d24f942df23">
compiler/ghc.cabal.in
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<a href="#36435f993774454b5956f3a38a9276ed176c61cc">
docs/users_guide/debugging.rst
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<li class="file-stats">
<a href="#28cb2d1fcbc22664fcf251f87743f25d05fcd16f">
docs/users_guide/eventlog-formats.rst
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<a href="#c69ed1e399ce62d9f23fc51d2806dab1d9b7bfd6">
docs/users_guide/expected-undocumented-flags.txt
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<li class="file-stats">
<a href="#9114465b0120ae8f2588fc60cb49ff264de54ecb">
docs/users_guide/profiling.rst
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<a href="#51d77a90635e9ec3ddfb3918005aecda9cc567c0">
ghc/ghc-bin.cabal.in
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<li class="file-stats">
<a href="#65d0ee7bb66a1370d9f336158f48ffb0bfb27693">
hadrian/doc/flavours.md
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<li class="file-stats">
<a href="#2eeb40f0acd6cb433ebe65e34262040b618908a7">
hadrian/hadrian.cabal
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<li class="file-stats">
<a href="#1655041cfd1add79e4c335c656405ee3eb3bd0dd">
hadrian/src/Flavour.hs
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<li class="file-stats">
<a href="#704958036ebddd9058fb1367e440b2ea1abb53e9">
hadrian/src/Settings.hs
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<li class="file-stats">
<a href="#519f09567a853f5fe119cec01e9274324ad2404f">
<span class="deleted-file">
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hadrian/src/Settings/Flavours/Llvm.hs
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<a href="#dafbbac54c7ce99acda23b0dca02c5302d46def0">
<span class="deleted-file">
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hadrian/src/Settings/Flavours/Profiled.hs
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<a href="#fbf853844dc48d850085cbef14c0af1e474cb087">
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hadrian/src/Settings/Flavours/ThreadSanitizer.hs
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<a href="#f7bfc5e15e7497f29b41f6df46865c151a07955d">
includes/RtsAPI.h
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<a href="#debe527847514360ea5e75538c7630ba2dfebba6">
includes/rts/EventLogFormat.h
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<a href="#a1d25ba13887eca47ad71301d419574bea4696a0">
includes/rts/EventLogWriter.h
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<a href="#241971342cd0c394b24e67a781cf7e3d2f01aa72">
includes/rts/Flags.h
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<a href="#2b3a5da6af2421fdb559def8637e7fac0436609f">
libraries/Cabal
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<a href="#cbecf35546dee344ca6fb2e73c7515f07e868d0f">
libraries/base/Debug/Trace.hs
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<a href="#a76fbf30d162dc25f6f8c990c849b2f61b1e79e0">
libraries/directory
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<a href="#1fff7939e439e1a46b51fc3d747b1fd8df7a1822">
libraries/ghc-boot/GHC/Data/ShortText.hs
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<a href="#42bcd36e5791e64370e1cb55417c82c34538bb7a">
libraries/hpc
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<a href="#85be39da47a20360dc906ebad4c63f9cfb7363a6">
libraries/time
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<a href="#c94f27a74551c6432f819bdfe482f1a46f1a1596">
libraries/unix
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<a href="#33249795fee267712d5c3a7ecfa9f2edea260401">
rts/Capability.c
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<h5>The diff was not included because it is too large.</h5>
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