[Webkit-unassigned] [Bug 151713] New: Implement a sampling profiler

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=151713

            Bug ID: 151713
           Summary: Implement a sampling profiler
    Classification: Unclassified
           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: sbarati at apple.com
                CC: benjamin at webkit.org, burg at cs.washington.edu,
                    fpizlo at apple.com, ggaren at apple.com,
                    gskachkov at gmail.com, joepeck at webkit.org,
                    keith_miller at apple.com, mark.lam at apple.com,
                    msaboff at apple.com, nvasilyev at apple.com,
                    oliver at apple.com, sukolsak at gmail.com,
                    timothy at apple.com, utatane.tea at gmail.com

The current plan is to build off of the architecture of the watchdog timer.
We would like to get to the performance level where we can sample once per X ms where
X is somewhere in 1-10 and we can have a 1-2% performance impact.

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