mirror of https://github.com/F-Stack/f-stack.git
80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/*-
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright(c) 2015 Intel Corporation. All rights reserved.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* * Neither the name of Intel Corporation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
|
|
#ifndef LTHREAD_TIMER_H_
|
|
#define LTHREAD_TIMER_H_
|
|
|
|
#include "lthread_int.h"
|
|
#include "lthread_sched.h"
|
|
|
|
|
|
static inline uint64_t
|
|
_ns_to_clks(uint64_t ns)
|
|
{
|
|
unsigned __int128 clkns = rte_get_tsc_hz();
|
|
|
|
clkns *= ns;
|
|
clkns /= 1000000000;
|
|
return (uint64_t) clkns;
|
|
}
|
|
|
|
|
|
static inline void
|
|
_timer_start(struct lthread *lt, uint64_t clks)
|
|
{
|
|
if (clks > 0) {
|
|
DIAG_EVENT(lt, LT_DIAG_LTHREAD_TMR_START, <->tim, clks);
|
|
rte_timer_init(<->tim);
|
|
rte_timer_reset(<->tim,
|
|
clks,
|
|
SINGLE,
|
|
rte_lcore_id(),
|
|
_sched_timer_cb,
|
|
(void *)lt);
|
|
}
|
|
}
|
|
|
|
|
|
static inline void
|
|
_timer_stop(struct lthread *lt)
|
|
{
|
|
if (lt != NULL) {
|
|
DIAG_EVENT(lt, LT_DIAG_LTHREAD_TMR_DELETE, <->tim, 0);
|
|
rte_timer_stop(<->tim);
|
|
}
|
|
}
|
|
|
|
|
|
#endif /* LTHREAD_TIMER_H_ */
|