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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/166184">166184</a></dd>
<dt>Author</dt> <dd>barraclough@apple.com</dd>
<dt>Date</dt> <dd>2014-03-24 12:25:32 -0700 (Mon, 24 Mar 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Add support for thread QoS
https://bugs.webkit.org/show_bug.cgi?id=130688
Reviewed by Andreas Kling.
Source/JavaScriptCore:
* heap/BlockAllocator.cpp:
(JSC::BlockAllocator::blockFreeingThreadStartFunc):
- block freeing is a utility activity.
Source/WTF:
* wtf/FastMalloc.cpp:
(WTF::TCMalloc_PageHeap::runScavengerThread):
- block freeing is a utility activity.
* wtf/Threading.h:
- declaration.
* wtf/ThreadingPthreads.cpp:
(WTF::createThreadInternal):
- default to interactive.
(WTF::setCurrentThreadQOSUtility):
- implementation.
* wtf/ThreadingWin.cpp:
(WTF::setCurrentThreadQOSUtility):
- no-op implementation.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCoreheapBlockAllocatorcpp">trunk/Source/JavaScriptCore/heap/BlockAllocator.cpp</a></li>
<li><a href="#trunkSourceWTFChangeLog">trunk/Source/WTF/ChangeLog</a></li>
<li><a href="#trunkSourceWTFwtfFastMalloccpp">trunk/Source/WTF/wtf/FastMalloc.cpp</a></li>
<li><a href="#trunkSourceWTFwtfThreadingh">trunk/Source/WTF/wtf/Threading.h</a></li>
<li><a href="#trunkSourceWTFwtfThreadingPthreadscpp">trunk/Source/WTF/wtf/ThreadingPthreads.cpp</a></li>
<li><a href="#trunkSourceWTFwtfThreadingWincpp">trunk/Source/WTF/wtf/ThreadingWin.cpp</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (166183 => 166184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog        2014-03-24 18:58:22 UTC (rev 166183)
+++ trunk/Source/JavaScriptCore/ChangeLog        2014-03-24 19:25:32 UTC (rev 166184)
</span><span class="lines">@@ -1,3 +1,14 @@
</span><ins>+2014-03-24 Gavin Barraclough <barraclough@apple.com>
+
+ Add support for thread QoS
+ https://bugs.webkit.org/show_bug.cgi?id=130688
+
+ Reviewed by Andreas Kling.
+
+ * heap/BlockAllocator.cpp:
+ (JSC::BlockAllocator::blockFreeingThreadStartFunc):
+ - block freeing is a utility activity.
+
</ins><span class="cx"> 2014-03-24 Filip Pizlo <fpizlo@apple.com>
</span><span class="cx">
</span><span class="cx"> Unreviewed, fix CLOOP build.
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreheapBlockAllocatorcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/heap/BlockAllocator.cpp (166183 => 166184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/heap/BlockAllocator.cpp        2014-03-24 18:58:22 UTC (rev 166183)
+++ trunk/Source/JavaScriptCore/heap/BlockAllocator.cpp        2014-03-24 19:25:32 UTC (rev 166184)
</span><span class="lines">@@ -32,6 +32,7 @@
</span><span class="cx"> #include "JSCInlines.h"
</span><span class="cx"> #include "WeakBlock.h"
</span><span class="cx"> #include <wtf/CurrentTime.h>
</span><ins>+#include <wtf/Threading.h>
</ins><span class="cx">
</span><span class="cx"> namespace JSC {
</span><span class="cx">
</span><span class="lines">@@ -117,6 +118,7 @@
</span><span class="cx">
</span><span class="cx"> void BlockAllocator::blockFreeingThreadStartFunc(void* blockAllocator)
</span><span class="cx"> {
</span><ins>+ setCurrentThreadQOSUtility();
</ins><span class="cx"> static_cast<BlockAllocator*>(blockAllocator)->blockFreeingThreadMain();
</span><span class="cx"> }
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWTFChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WTF/ChangeLog (166183 => 166184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WTF/ChangeLog        2014-03-24 18:58:22 UTC (rev 166183)
+++ trunk/Source/WTF/ChangeLog        2014-03-24 19:25:32 UTC (rev 166184)
</span><span class="lines">@@ -1,3 +1,24 @@
</span><ins>+2014-03-24 Gavin Barraclough <barraclough@apple.com>
+
+ Add support for thread QoS
+ https://bugs.webkit.org/show_bug.cgi?id=130688
+
+ Reviewed by Andreas Kling.
+
+ * wtf/FastMalloc.cpp:
+ (WTF::TCMalloc_PageHeap::runScavengerThread):
+ - block freeing is a utility activity.
+ * wtf/Threading.h:
+ - declaration.
+ * wtf/ThreadingPthreads.cpp:
+ (WTF::createThreadInternal):
+ - default to interactive.
+ (WTF::setCurrentThreadQOSUtility):
+ - implementation.
+ * wtf/ThreadingWin.cpp:
+ (WTF::setCurrentThreadQOSUtility):
+ - no-op implementation.
+
</ins><span class="cx"> 2014-03-23 Hyowon Kim <hw1008.kim@samsung.com>
</span><span class="cx">
</span><span class="cx"> Move all EFL typedefs into EflTypedefs.h.
</span></span></pre></div>
<a id="trunkSourceWTFwtfFastMalloccpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WTF/wtf/FastMalloc.cpp (166183 => 166184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WTF/wtf/FastMalloc.cpp        2014-03-24 18:58:22 UTC (rev 166183)
+++ trunk/Source/WTF/wtf/FastMalloc.cpp        2014-03-24 19:25:32 UTC (rev 166184)
</span><span class="lines">@@ -79,6 +79,7 @@
</span><span class="cx">
</span><span class="cx"> #include "Assertions.h"
</span><span class="cx"> #include "CurrentTime.h"
</span><ins>+#include "Threading.h"
</ins><span class="cx">
</span><span class="cx"> #include <limits>
</span><span class="cx"> #if OS(WINDOWS)
</span><span class="lines">@@ -2058,6 +2059,8 @@
</span><span class="cx">
</span><span class="cx"> void* TCMalloc_PageHeap::runScavengerThread(void* context)
</span><span class="cx"> {
</span><ins>+ setCurrentThreadQOSUtility();
+
</ins><span class="cx"> static_cast<TCMalloc_PageHeap*>(context)->scavengerThread();
</span><span class="cx"> #if (COMPILER(MSVC) || COMPILER(SUNCC))
</span><span class="cx"> // Without this, Visual Studio and Sun Studio will complain that this method does not return a value.
</span></span></pre></div>
<a id="trunkSourceWTFwtfThreadingh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WTF/wtf/Threading.h (166183 => 166184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WTF/wtf/Threading.h        2014-03-24 18:58:22 UTC (rev 166183)
+++ trunk/Source/WTF/wtf/Threading.h        2014-03-24 19:25:32 UTC (rev 166184)
</span><span class="lines">@@ -89,6 +89,7 @@
</span><span class="cx"> void initializeCurrentThreadInternal(const char* threadName);
</span><span class="cx">
</span><span class="cx"> WTF_EXPORT_PRIVATE ThreadIdentifier currentThread();
</span><ins>+WTF_EXPORT_PRIVATE void setCurrentThreadQOSUtility();
</ins><span class="cx"> WTF_EXPORT_PRIVATE void changeThreadPriority(ThreadIdentifier, int);
</span><span class="cx"> WTF_EXPORT_PRIVATE int waitForThreadCompletion(ThreadIdentifier);
</span><span class="cx"> WTF_EXPORT_PRIVATE void detachThread(ThreadIdentifier);
</span><span class="lines">@@ -99,6 +100,7 @@
</span><span class="cx"> using WTF::createThread;
</span><span class="cx"> using WTF::currentThread;
</span><span class="cx"> using WTF::changeThreadPriority;
</span><ins>+using WTF::setCurrentThreadQOSUtility;
</ins><span class="cx"> using WTF::detachThread;
</span><span class="cx"> using WTF::waitForThreadCompletion;
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWTFwtfThreadingPthreadscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WTF/wtf/ThreadingPthreads.cpp (166183 => 166184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WTF/wtf/ThreadingPthreads.cpp        2014-03-24 18:58:22 UTC (rev 166183)
+++ trunk/Source/WTF/wtf/ThreadingPthreads.cpp        2014-03-24 19:25:32 UTC (rev 166184)
</span><span class="lines">@@ -173,7 +173,15 @@
</span><span class="cx"> {
</span><span class="cx"> auto invocation = std::make_unique<ThreadFunctionInvocation>(entryPoint, data);
</span><span class="cx"> pthread_t threadHandle;
</span><del>- if (pthread_create(&threadHandle, 0, wtfThreadEntryPoint, invocation.get())) {
</del><ins>+ pthread_attr_t attr;
+ pthread_attr_init(&attr);
+#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 101000
+ pthread_attr_set_qos_class_np(&attr, QOS_CLASS_USER_INTERACTIVE, 0);
+#endif
+ int error = pthread_create(&threadHandle, &attr, wtfThreadEntryPoint, invocation.get());
+ pthread_attr_destroy(&attr);
+
+ if (error) {
</ins><span class="cx"> LOG_ERROR("Failed to create pthread at entry point %p with data %p", wtfThreadEntryPoint, invocation.get());
</span><span class="cx"> return 0;
</span><span class="cx"> }
</span><span class="lines">@@ -225,7 +233,14 @@
</span><span class="cx">
</span><span class="cx"> pthread_setschedparam(pthreadHandle, policy, &param);
</span><span class="cx"> }
</span><del>-
</del><ins>+
+void setCurrentThreadQOSUtility()
+{
+#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 101000
+ pthread_set_qos_class_np(pthread_self(), QOS_CLASS_UTILITY, 0);
+#endif
+}
+
</ins><span class="cx"> int waitForThreadCompletion(ThreadIdentifier threadID)
</span><span class="cx"> {
</span><span class="cx"> pthread_t pthreadHandle;
</span></span></pre></div>
<a id="trunkSourceWTFwtfThreadingWincpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WTF/wtf/ThreadingWin.cpp (166183 => 166184)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WTF/wtf/ThreadingWin.cpp        2014-03-24 18:58:22 UTC (rev 166183)
+++ trunk/Source/WTF/wtf/ThreadingWin.cpp        2014-03-24 19:25:32 UTC (rev 166184)
</span><span class="lines">@@ -257,6 +257,10 @@
</span><span class="cx"> SetThreadPriority(threadHandle, THREAD_PRIORITY_NORMAL + delta);
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+void setCurrentThreadQOSUtility()
+{
+}
+
</ins><span class="cx"> int waitForThreadCompletion(ThreadIdentifier threadID)
</span><span class="cx"> {
</span><span class="cx"> ASSERT(threadID);
</span></span></pre>
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