2 Commits

Author	SHA1	Message	Date
mikhail.naganov@gmail.com	cdc09c5073	CPU profiler: sample call stack on profiling start. ... This simplifies writing tests a lot, because it is now possible to guarantee that certain function will present in a profile by starting profiler from inside it. Review URL: http://codereview.chromium.org/2438002 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4769 ce2b1a6d-e550-0410-aec6-3dcde31c8c00	2010-06-01 13:52:49 +00:00
mikhail.naganov@gmail.com	decd0fed78	CPU profiler: make code events handling scalable. ... I changed the implementation of a queue between the VM and processor thread to be unbounded and lock-free, using Herb Sutter's example from DDJ article: http://www.ddj.com/high-performance-computing/210604448 This had brought back profiling overhead to a minimum for the page from Chromium's issue 16184. BUG=714 Review URL: http://codereview.chromium.org/2091019 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4706 ce2b1a6d-e550-0410-aec6-3dcde31c8c00	2010-05-22 05:27:19 +00:00