Messages in this thread | | | From | Alexander Shishkin <> | Subject | Re: [PATCH v0 04/71] itrace: Infrastructure for instruction flow tracing units | Date | Wed, 08 Jan 2014 13:53:15 +0200 |
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Andi Kleen <andi@firstfloor.org> writes:
>> So create two events, one for the PT stuff and one to track the >> side-band stuff. We have a NOP event for just this purpose. > > Ok I guess that could work. > > Essentially replace the magic mmap offset with a second fd. > > Alex, what do you think?
Yes, that's what I suggested some time ago in [1]. A second buffer (through another fd or otherwise) is an essential thing from my point of view.
[1] http://marc.info/?l=linux-kernel&m=138737306725663
Regards, -- Alex
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