[issue13405] Add DTrace probes

John Levon report at bugs.python.org
Fri Jan 20 05:44:16 CET 2012

John Levon <movement at users.sourceforge.net> added the comment:

I would strongly suggest those of you who are not "getting it" to actually try Jesus's patch out in some real scenarios. You'll quickly see what the benefit is. I think some of you are missing that it's a *not* just about performance: it's a system comprehension tool. It's there to help answer questions, on a live system; sometimes those are performance questions, but more often they're *not*.

I can't speak as to the maintenance burden. I'm sure we can all agree that the  ceval.c changes are not pretty - it's why I never submitted my original changes. But speaking for the Solaris organization, the burden of maintaining our patches across the various Python releases has been minimal.


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