Files
rtems/cpukit/libmisc/cpuuse/cpuusagereset.c
Joel Sherrill 3462c34326 2007-07-24 Joel Sherrill <joel.sherrill@oarcorp.com>
* libmisc/cpuuse/cpuusagereport.c, libmisc/cpuuse/cpuusagereset.c,
	score/src/timespecdivide.c: Fix various math and reporting bugs. Now
	the time appears to be reported correctly and add up to what is
	expected.
2007-07-24 21:37:39 +00:00

57 lines
1.2 KiB
C

/*
* CPU Usage Reporter
*
* COPYRIGHT (c) 1989-2007
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems.h>
#include <stdlib.h>
#include <ctype.h>
#include <inttypes.h>
#include <rtems/cpuuse.h>
static void CPU_usage_Per_thread_handler(
Thread_Control *the_thread
)
{
#ifdef RTEMS_ENABLE_NANOSECOND_CPU_USAGE_STATISTICS
the_thread->cpu_time_used.tv_sec = 0;
the_thread->cpu_time_used.tv_nsec = 0;
#else
the_thread->ticks_executed = 0;
#endif
}
/*
* rtems_cpu_usage_reset
*/
void rtems_cpu_usage_reset( void )
{
#ifdef RTEMS_ENABLE_NANOSECOND_CPU_USAGE_STATISTICS
extern struct timespec CPU_usage_Uptime_at_last_reset;
_TOD_Get_uptime( &CPU_usage_Uptime_at_last_reset );
_Thread_Time_of_last_context_switch = CPU_usage_Uptime_at_last_reset;
#else
extern uint32_t CPU_usage_Ticks_at_last_reset;
CPU_usage_Ticks_at_last_reset = _Watchdog_Ticks_since_boot;
#endif
rtems_iterate_over_all_threads(CPU_usage_Per_thread_handler);
}