[Webkit-unassigned] [Bug 45134] New: Added statistics sampling and reporting for JavaScriptCore's RegisterFile and ExecutableAllocator classes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=45134

           Summary: Added statistics sampling and reporting for
                    JavaScriptCore's RegisterFile and ExecutableAllocator
                    classes
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: Mac OS X 10.6
            Status: NEW
          Severity: Enhancement
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jtherrell at apple.com
                CC: barraclough at apple.com


In JavaScriptCore (cross-platform) :
Added thread-safe committed byte counting and reporting functionality to RegisterFile and ExecutableAllocator. Uses a static bool class member to provide runtime check if statistics collecting is enabled. Added Runtime checks do not impact performance on SunSpider benchmark. Allows for enabling and sampling statistics on release builds without conditional compilation.

In WebKit (mac only) :
Added ability to enable new JavaScriptCore statistics sampling and reporting for RegisterFile and ExecutableAllocator classes. Added reporting of JavaScriptCore's stack committed memory and JIT code committed memory statistics.

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