/sys/src/9/port/devcons.c /sys/src/9/port/proc.c
% cat >/sys/lib/dist/changes/1176660006.0.txt << EOF
Remove ``cruft'' relating to cooperative scheduling. This turned out to be a win,
so we shouldn't keep it as an `optional' type thing. For more information on
how cooperative scheduling works in Plan 9, see also:
http://lists.cse.psu.edu/archives/9fans/2007-April/052468.html
http://lists.cse.psu.edu/archives/9fans/2007-April/052472.html
EOF
[rsc] --rw-rw-r-- M 40 glenda sys 22943 Apr 15 13:32 sys/src/9/port/devcons.c
/n/sourcesdump/2007/0415/plan9/sys/src/9/port/devcons.c:58,64 -
/n/sourcesdump/2007/0416/plan9/sys/src/9/port/devcons.c:58,63
CMhalt,
CMreboot,
CMpanic,
- CMcoop, /* RSC */
};
Cmdtab rebootmsg[] =
/n/sourcesdump/2007/0415/plan9/sys/src/9/port/devcons.c:66,72 -
/n/sourcesdump/2007/0416/plan9/sys/src/9/port/devcons.c:65,70
CMhalt, "halt", 1,
CMreboot, "reboot", 0,
CMpanic, "panic", 0,
- CMcoop, "coop", 0, /* RSC */
};
void
/n/sourcesdump/2007/0415/plan9/sys/src/9/port/devcons.c:1050,1060 -
/n/sourcesdump/2007/0416/plan9/sys/src/9/port/devcons.c:1048,1053
case CMpanic:
*(ulong*)0=0;
panic("/dev/reboot");
- case CMcoop: /* RSC */
- {extern int coopsched; coopsched = !coopsched;
- print("coopsched %d\n", coopsched);
- }
- break;
}
poperror();
free(cb);
[rsc] --rw-rw-r-- M 40 glenda sys 28742 Apr 15 13:32 sys/src/9/port/proc.c
/n/sourcesdump/2007/0415/plan9/sys/src/9/port/proc.c:7,13 -
/n/sourcesdump/2007/0416/plan9/sys/src/9/port/proc.c:7,12
#include "edf.h"
#include <trace.h>
- int coopsched;
int schedgain = 30; /* units in seconds */
int nrdy;
Ref noteidalloc;
/n/sourcesdump/2007/0415/plan9/sys/src/9/port/proc.c:504,510 -
/n/sourcesdump/2007/0416/plan9/sys/src/9/port/proc.c:503,509
start = perfticks();
/* cooperative scheduling until the clock ticks */
- if(coopsched && (p=m->readied) && p->mach==0 && p->state==Ready
+ if((p=m->readied) && p->mach==0 && p->state==Ready
&& runq[Nrq-1].head == nil && runq[Nrq-2].head == nil){
skipscheds++;
rq = &runq[p->priority];
|