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* Change the Linux Sched policy to SCHED_DEADLINE for the kernel version > 3.14

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* Add MAC/RRC wireshark interface to LTE softmodem
* Add OTG support to the eNB App, and some cleanup


git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6115 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
Navid Nikaein
2014-11-28 13:54:46 +00:00
parent 0b9c724ab4
commit 91dbe8d6f1
20 changed files with 670 additions and 280 deletions
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targets/RT/USER/rt_wrapper.h
+51 -4
View File
@@ -28,14 +28,14 @@
*******************************************************************************/
/*! \file rt_wrapper.h
* \brief provides a wrapper for the timing function for real-time opeartions depending on weather RTAI is used or not
* \author F. Kaltenberger
* \brief provides a wrapper for the timing function for real-time opeartions depending on weather RTAI is used or not. It also implements an API for the SCHED_DEADLINE kernel scheduler.
* \author F. Kaltenberger and Navid Nikaein
* \date 2013
* \version 0.1
* \company Eurecom
* \email: florian.kaltenberger@eurecom.fr
* \email: florian.kaltenberger@eurecom.fr, navid.nikaein@eurecom.fr
* \note
* \warning
* \warning This code will be removed when a legacy libc API becomes available.
*/
#ifndef RTAI
@@ -43,6 +43,8 @@
#include <errno.h>
#include <stdio.h>
#include <pthread.h>
#include <linux/kernel.h>
#include <linux/types.h>
#define RTIME long long int
@@ -54,6 +56,51 @@ int rt_sleep_ns (RTIME x);
void check_clock(void);
/**
* see https://www.kernel.org/doc/Documentation/scheduler/sched-deadline.txt or
* http://www.blaess.fr/christophe/2014/04/05/utiliser-un-appel-systeme-inconnu-de-la-libc/
*/
#ifdef LOWLATENCY
#define gettid() syscall(__NR_gettid)
#define SCHED_DEADLINE 6
/* XXX use the proper syscall numbers */
#ifdef __x86_64__
#define __NR_sched_setattr 314
#define __NR_sched_getattr 315
#endif
#ifdef __i386__
#define __NR_sched_setattr 351
#define __NR_sched_getattr 352
#endif
struct sched_attr {
__u32 size;
__u32 sched_policy;
__u64 sched_flags;
/* SCHED_NORMAL, SCHED_BATCH */
__s32 sched_nice;
/* SCHED_FIFO, SCHED_RR */
__u32 sched_priority;
/* SCHED_DEADLINE (nsec) */
__u64 sched_runtime;
__u64 sched_deadline;
__u64 sched_period;
};
int sched_setattr(pid_t pid, const struct sched_attr *attr, unsigned int flags);
int sched_getattr(pid_t pid,struct sched_attr *attr,unsigned int size, unsigned int flags);
#endif
#else
#include <rtai_hal.h>
#include <rtai_lxrt.h>