[Webkit-unassigned] [Bug 205279] New: Changed jsc shell timeout mechanism to leverage the VMTraps and use CPUTime.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=205279

            Bug ID: 205279
           Summary: Changed jsc shell timeout mechanism to leverage the
                    VMTraps and use CPUTime.
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mark.lam at apple.com

This fixes all the timeouts that occur due to CPU time starvation when running JSC tests on a debug build.

What this means is that the timeout mechanism may trigger asynchronous OSR exits.  If a test requires no OSR exits, that test should requireOption("--usePollingTraps=true") so that the VMTraps will use its polling implementation instead.

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