On Tue, Nov 13, 2007 at 01:13:45PM -0800, Stephane Eranian wrote: > Oprofile does not setup the PMU interrupt. It builds on top of the NMI > watchdog > setup.
Oprofile works without the NMI watchdog too, but it just happens to be another NMI user. > It uses the register_die() mechanism, Not correct. > if I recall. The low level APIC > and gate is setup elsewhere. Perfmon does not use NMI, unless forced to > because > of the NMI watchdog. It could handle it in the same way as oprofile if it wanted. But given NMIs make everything more complicated and it might not be worth it. -Andi _______________________________________________ perfmon mailing list [email protected] http://www.hpl.hp.com/hosted/linux/mail-archives/perfmon/
