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Importance of application startupImportance of application startupPosted Aug 3, 2007 3:34 UTC (Fri) by jreiser (subscriber, #11027)In reply to: A report from OSCON 2007 by dberkholz Parent article: A report from OSCON 2007
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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