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kernel: improve nlocks print in sleep()

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This commit is contained in:
cinap_lenrek 2024-07-23 21:00:04 +00:00
parent f1e7d6da67
commit 4a7c44fee4
1 changed files with 8 additions and 5 deletions
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13
sys/src/9/port/proc.c
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@ -818,15 +818,18 @@ sleep(Rendez *r, int (*f)(void*), void *arg)
int s;
void (*pt)(Proc*, int, vlong);
s = splhi();
if(up->nlocks)
print("process %lud sleeps with %d locks held, last lock %#p locked at pc %#p, sleep called from %#p\n",
up->pid, up->nlocks, up->lastlock, up->lastlock->pc, getcallerpc(&r));
print("process %s %lud sleeps with %d locks held, "
"last lock %#p locked at pc %#p, sleep called from %#p\n",
up->text, up->pid, up->nlocks,
up->lastlock, up->lastlock->pc, getcallerpc(&r));
s = splhi();
lock(r);
lock(&up->rlock);
if(r->p != nil){
print("double sleep called from %#p, %lud %lud\n", getcallerpc(&r), r->p->pid, up->pid);
iprint("double sleep called from %#p, %s %lud -> %s %lud\n",
getcallerpc(&r), r->p->text, r->p->pid, up->text, up->pid);
dumpstack();
}