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/*
* Copyright (c) 1996, 1998, 1999 University of Utah and the Flux Group.
* All rights reserved.
*
* This file is part of the Flux OSKit. The OSKit is free software, also known
* as "open source;" you can redistribute it and/or modify it under the terms
* of the GNU General Public License (GPL), version 2, as published by the Free
* Software Foundation (FSF). To explore alternate licensing terms, contact
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
*
* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
/*
* Resource usage and stuff.
*/
#include <threads/pthread_internal.h>
/*
* Quite stupid, but all I need for right now. At some point I'll
* set this up properly. This returns milliseconds.
*/
oskit_u32_t
oskit_pthread_cputime(pthread_t tid)
{
pthread_thread_t *pthread;
if ((pthread = tidtothread(tid)) == NULL_THREADPTR)
return EINVAL;
return pthread->cputime * PTHREAD_TICK;
}
/*
* Ditto! Return real time.
*/
oskit_u32_t
oskit_pthread_realtime(void)
{
extern oskit_u32_t threads_realtime;
return threads_realtime * PTHREAD_TICK;
}
/*
* Return CPU percentage as an integer value. Good enough!
*/
int
oskit_pthread_cpu_percent(void)
{
return CURPTHREAD()->pctcpu;
}
#ifdef CPU_INHERIT
/*
* Return the amount of time consumed by a thread and all its children.
*/
oskit_u32_t
oskit_pthread_childtime(pthread_t tid)
{
pthread_thread_t *pthread;
if ((pthread = tidtothread(tid)) == NULL_THREADPTR)
return EINVAL;
return (pthread->cputime + pthread->childtime) * PTHREAD_TICK;
}
#endif
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