Cedric Roux
7a724e7d2e
Conflicts: openair1/PHY/INIT/lte_init.c openair1/PHY/LTE_TRANSPORT/dci_tools.c openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c openair1/SCHED/phy_procedures_lte_eNb.c openair1/SCHED/phy_procedures_lte_ue.c openair1/SIMULATION/LTE_PHY/dlsim.c openair1/SIMULATION/RF/adc.c openair2/LAYER2/MAC/lte_transport_init.c targets/RT/USER/lte-softmodem.c targets/RT/USER/sched_dlsch.c targets/RT/USER/sched_rx_pdsch.c targets/RT/USER/sched_ulsch.c targets/SIMU/USER/oaisim.c
103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
/*! \file rt_wrapper.h
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* \brief provides a wrapper for the timing function for real-time opeartions. It also implements an API for the SCHED_DEADLINE kernel scheduler.
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* \author F. Kaltenberger and Navid Nikaein
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* \date 2013
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* \version 0.1
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* \company Eurecom
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* \email: florian.kaltenberger@eurecom.fr, navid.nikaein@eurecom.fr
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* \note
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* \warning This code will be removed when a legacy libc API becomes available.
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*/
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#define _GNU_SOURCE
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#include <time.h>
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#include <errno.h>
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#include <stdint.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <pthread.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <syscall.h>
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#include <math.h>
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#include <sched.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <sched.h>
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#include <linux/sched.h>
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#include <signal.h>
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#include <execinfo.h>
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#include <getopt.h>
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#include <sys/sysinfo.h>
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#include "UTIL/LOG/log_extern.h"
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#include "msc.h"
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#define RTIME long long int
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#define rt_printk printf
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void set_latency_target(void);
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RTIME rt_get_time_ns (void);
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int rt_sleep_ns (RTIME x);
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void check_clock(void);
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int fill_modeled_runtime_table(uint16_t runtime_phy_rx[29][6],uint16_t runtime_phy_tx[29][6]);
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double get_runtime_tx(int tx_subframe, uint16_t runtime_phy_tx[29][6],uint32_t mcs, int N_RB_DL,double cpuf,int nb_tx_antenna);
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double get_runtime_rx(int rx_subframe, uint16_t runtime_phy_rx[29][6], uint32_t mcs, int N_RB_DL,double cpuf,int nb_rx_antenna);
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/**
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* see https://www.kernel.org/doc/Documentation/scheduler/sched-deadline.txt or
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* http://www.blaess.fr/christophe/2014/04/05/utiliser-un-appel-systeme-inconnu-de-la-libc/
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*/
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#ifdef DEADLINE_SCHEDULER
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#define gettid() syscall(__NR_gettid)
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#define SCHED_DEADLINE 6
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/* XXX use the proper syscall numbers */
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#ifdef __x86_64__
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#define __NR_sched_setattr 314
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#define __NR_sched_getattr 315
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#endif
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#ifdef __i386__
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#define __NR_sched_setattr 351
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#define __NR_sched_getattr 352
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#endif
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struct sched_attr {
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__u32 size;
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__u32 sched_policy;
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__u64 sched_flags;
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/* SCHED_NORMAL, SCHED_BATCH */
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__s32 sched_nice;
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/* SCHED_FIFO, SCHED_RR */
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__u32 sched_priority;
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/* SCHED_DEADLINE (nsec) */
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__u64 sched_runtime;
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__u64 sched_deadline;
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__u64 sched_period;
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};
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int sched_setattr(pid_t pid, const struct sched_attr *attr, unsigned int flags);
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int sched_getattr(pid_t pid,struct sched_attr *attr,unsigned int size, unsigned int flags);
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#endif
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#define gettid() syscall(__NR_gettid) // for gettid
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