Messages in this thread | | | Subject | Re: [patch 1/2] x86_64 page fault NMI-safe | From | Steven Rostedt <> | Date | Wed, 14 Jul 2010 19:40:44 -0400 |
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[ /me removes the duplicate email of himself! ]
On Wed, 2010-07-14 at 19:11 -0400, Mathieu Desnoyers wrote: > > > > So, when an event triggers in perf, we sometimes want to capture the stacktrace > > that led to the event. > > > > We want this stacktrace (here we call that a callchain) to be recorded > > locklessly. So we want this callchain buffer per cpu, with the following > > type: > > Ah OK, so you mean that perf now has 2 different ring buffer implementations ? > How about using a single one that is generic enough to handle perf and ftrace > needs instead ? > > (/me runs away quickly before the lightning strikes) ;) >
To be fair, that's just a temp buffer.
-- Steve
(/me sends this to try to remove the dup email he's getting )
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