pmcstat(8) and machdep.hlt_cpus

[Attilio Rao]

2011/7/12 Pan Tsu <inyaoo at gmail.com>:
> pmcstat(8) stopped to work for me after largeSMP landed in r222813.
> At the time only pmccontrol(8) was updated. Then the next day
> machdep.hlt_cpus was ripped out. So, I've assumed it's going to
> be fixed by subsequent commits and commented out related code locally.
>
>  $ qemu -smp 2 -nographic ...
>  $ kldload hwpmc
>  $ pmcstat -S instructions -T
>  pmcstat: ERROR: Cannot determine which CPUs are halted: No such file or directory
>  Exit 71

Hey Pan,
do you think you can try the following patch?:
http://www.freebsd.org/~attilio/pmcstat_cpumask.diff

This should fix pmcstat for correctly using cpuset_t rather than
custom 32 bit integers.

Thanks,
Attilio


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