[Webkit-unassigned] [Bug 173116] New: webkitpy: Reduce polling in ServerProcess
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Jun 8 15:01:40 PDT 2017
https://bugs.webkit.org/show_bug.cgi?id=173116
Bug ID: 173116
Summary: webkitpy: Reduce polling in ServerProcess
Product: WebKit
Version: Other
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: Tools / Tests
Assignee: webkit-unassigned at lists.webkit.org
Reporter: jbedard at apple.com
CC: lforschler at apple.com
Every time 'has_crashed' is called, a ServerProcess will poll it's process to determine if a crash has occurred. This issue with this approach is that on some platforms, polling may be an expensive feature. The ServerProcess checks its crash every time a line is accessed from stdout or stderr, even if the data for that line is already cached in Python. Additionally, the driver checks if the ServerProcess has crashed before reading the next line from either standard error or standard out.
We should reduce the amount of polling ServerProcess does so that it is only polling when polling is actually required.
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