> So MAX_ORDER is 11, which gives us (11+12) 23bit or 8M max allocations, right? > > Given this TOPA stuff is completely fucked in the first release, that's > about all we can get it, right? > > Now given you said 100s MB/s data rate for this itrace stuff, we're at > ~0.1s traces. And that's in the very best case where we can actually get > 8M. > > Is that a workable amount
The PMI handler switches to a new buffer to allow longer traces in memory. It just costs one PMI. -Andi -- [email protected] -- Speaking for myself only -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
