lib/ruby/1.8/profiler is not thread-safe
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Key: JRUBY-2133
URL: http://jira.codehaus.org/browse/JRUBY-2133
Project: JRuby
Issue Type: Bug
Reporter: Thomas E Enebo
Assignee: Thomas E Enebo
Profiler modifies class vars and multiple threads do this at the same time.
We saw an issue trying to profile mongrel where multiple threads were trashing
profilers stacks.
One solution is to have each thread keep track of its own profiling info and
then combine all the information together to create the full report.
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