Re: Show which CPU is executing a thread?
nocturnal <[email protected]> Tue, 2 Jun 2009 13:05:11 +0200
| Newsgroups | gmane.os.freebsd.devel.smp |
|---|---|
| Message-ID | <[email protected]> |
Disregard my last e-mail, i found the very extensive structure of kinfo_pro= c in sys/user.h. 2009/6/2 nocturnal <[email protected]> > First of all thank you for your help Dan. > > One last question though, does anyone have the structure of the kinfo_pro= c > struct? In kvm.h it seems to be defined transparently and i would very mu= ch > like to know where in this struct i can find the CPU ID. > > 2009/6/1 Dan Nelson <[email protected]> > > In the last episode (Jun 01), nocturnal said: >> > 2009/6/1 nocturnal <[email protected]> >> > > I've been searching the web, all i want is to show which CPU is >> > > currently executing a certain thread. Is this info available to me = in >> > > user space? Which manuals should i read to do this? >> > > >> > > I know Solaris has something about lwp that can show the last CPU >> used, >> > > i think. I would be happy if FreeBSD had something similar so it >> > > doesn't have to be very live or accurate. >> > > >> > > Thank you in advance for any info or hints. >> > >> > I'm more after a programming API for this and when i search the web al= l >> i >> > find is people saying it cannot be done on FreeBSD in userspace, yet. >> > >> > Solaris and Linux can do it but FreeBSD doesn't have this in user spac= e. >> >> FreeBSD can and does. See the kvm_getprocs manpage, and take a look at >> /usr/src/bin/ps/ps.c or /usr/src/usr.bin/top/machine.c to see how it's >> used. >> >> > Is anyone working on it, what is the status? Will it be part of SMPng? >> >> SMPng went into FeeeBSD 5.0.. you must be reading some old mailing list >> archives :) >> >> -- >> Dan Nelson >> [email protected] >> _______________________________________________ >> [email protected] mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-smp >> To unsubscribe, send any mail to "[email protected]" >> > > > > -- > > > Med v=E4nliga h=E4lsningar > > Stefan Midjich aka nocturnal > [SWEHACK] http://swehack.se > --=20 Med v=E4nliga h=E4lsningar Stefan Midjich aka nocturnal [SWEHACK] http://swehack.se _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-smp To unsubscribe, send any mail to "[email protected]"