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A report from OSCON 2007

A report from OSCON 2007

Posted Aug 3, 2007 1:15 UTC (Fri) by dberkholz (guest, #23346)
In reply to: A report from OSCON 2007 by jwb
Parent article: A report from OSCON 2007

I don't think it would be as problematic upon application startup as during runtime (for example, looking to see whether a file's appeared every 100ms).


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Importance of application startup

Posted Aug 3, 2007 3:34 UTC (Fri) by jreiser (subscriber, #11027) [Link]

One dose of 'powertop' or other profiler will find the "sore thumb" applications or usages that poll; but these are rare. Over half of all processes run for 0.1 CPU seconds or less, and for these the "startup" consumes the vast majority of resources. A shell with builtin busybox (mv, ln, cp, rm, date, ls, ...) can be a significant savings. The general case would be a learning shell that could identify and remember the state after startup of a large class of frequently-run applications.


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