Title: [243877] trunk/Source/WebKit
Revision
243877
Author
[email protected]
Date
2019-04-04 10:36:20 -0700 (Thu, 04 Apr 2019)

Log Message

Temporarily disable delayed WebProcess launch on iOS to address PLT regression
https://bugs.webkit.org/show_bug.cgi?id=196604
<rdar://problem/49074131>

Reviewed by Geoffrey Garen.

Temporarily disable delayed WebProcess launch on iOS to address PLT regression. This
is while I figure out how to enable this on iOS without regressed PLT.

* UIProcess/WebProcessPool.h:

Modified Paths

Diff

Modified: trunk/Source/WebKit/ChangeLog (243876 => 243877)


--- trunk/Source/WebKit/ChangeLog	2019-04-04 17:36:02 UTC (rev 243876)
+++ trunk/Source/WebKit/ChangeLog	2019-04-04 17:36:20 UTC (rev 243877)
@@ -1,3 +1,16 @@
+2019-04-04  Chris Dumez  <[email protected]>
+
+        Temporarily disable delayed WebProcess launch on iOS to address PLT regression
+        https://bugs.webkit.org/show_bug.cgi?id=196604
+        <rdar://problem/49074131>
+
+        Reviewed by Geoffrey Garen.
+
+        Temporarily disable delayed WebProcess launch on iOS to address PLT regression. This
+        is while I figure out how to enable this on iOS without regressed PLT.
+
+        * UIProcess/WebProcessPool.h:
+
 2019-04-04  Miguel Gomez  <[email protected]>
 
         [CoordGraphics] Revalidate need for 'coordinated update completion' in ThreadedCompositor

Modified: trunk/Source/WebKit/UIProcess/WebProcessPool.h (243876 => 243877)


--- trunk/Source/WebKit/UIProcess/WebProcessPool.h	2019-04-04 17:36:02 UTC (rev 243876)
+++ trunk/Source/WebKit/UIProcess/WebProcessPool.h	2019-04-04 17:36:20 UTC (rev 243877)
@@ -789,7 +789,12 @@
 
     HashMap<WebCore::ProcessIdentifier, std::unique_ptr<ProcessAssertion>> m_processesWithUploads;
     std::unique_ptr<ProcessAssertion> m_uiProcessUploadAssertion;
+#if PLATFORM(IOS)
+    // FIXME: Delayed process launch is currently disabled on iOS for performance reasons (rdar://problem/49074131).
+    bool m_isDelayedWebProcessLaunchDisabled { true };
+#else
     bool m_isDelayedWebProcessLaunchDisabled { false };
+#endif
 };
 
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