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#ifndef _TM_STAT_H
#define _TM_STAT_H
/*
* Dynamic Binary Instrumentation Module based on KProbes
* energy/tm_stat.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) Samsung Electronics, 2013
*
* 2013 Vyacheslav Cherkashin <v.cherkashin@samsung.com>
*
*/
#include <linux/types.h>
#include <linux/time.h>
struct tm_stat {
u64 timestamp;
u64 running;
};
#define DEFINE_TM_STAT(tm_name) \
struct tm_stat tm_name = { \
.timestamp = 0, \
.running = 0 \
}
static inline u64 get_ntime(void)
{
struct timespec ts;
getnstimeofday(&ts);
return timespec_to_ns(&ts);
}
static inline void tm_stat_init(struct tm_stat *tm)
{
tm->timestamp = 0;
tm->running = 0;
}
static inline void tm_stat_set_timestamp(struct tm_stat *tm, u64 time)
{
tm->timestamp = time;
}
static inline u64 tm_stat_timestamp(struct tm_stat *tm)
{
return tm->timestamp;
}
static inline void tm_stat_update(struct tm_stat *tm, u64 time)
{
tm->running += time - tm->timestamp;
}
static inline u64 tm_stat_running(struct tm_stat *tm)
{
return tm->running;
}
static inline u64 tm_stat_current_running(struct tm_stat *tm, u64 now)
{
if (unlikely(now < tm->timestamp))
printk("XXX %p WARNING now(%llu) < tmstmp(%llu)\n",
tm, now, tm->timestamp);
return tm->timestamp ? tm->running + now - tm->timestamp: tm->running;
}
#endif /* _TM_STAT_H */
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