155 lines
4.2 KiB
C
155 lines
4.2 KiB
C
/*******************************************************************************
|
|
OpenAirInterface
|
|
Copyright(c) 1999 - 2014 Eurecom
|
|
|
|
OpenAirInterface 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 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
|
|
OpenAirInterface 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 OpenAirInterface.The full GNU General Public License is
|
|
included in this distribution in the file called "COPYING". If not,
|
|
see <http://www.gnu.org/licenses/>.
|
|
|
|
Contact Information
|
|
OpenAirInterface Admin: openair_admin@eurecom.fr
|
|
OpenAirInterface Tech : openair_tech@eurecom.fr
|
|
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
|
|
|
|
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
|
|
|
|
*******************************************************************************/
|
|
#ifndef __TIME_MEAS_DEFS__H__
|
|
#define __TIME_MEAS_DEFS__H__
|
|
|
|
#include <unistd.h>
|
|
#include <math.h>
|
|
#include <stdint.h>
|
|
#include <time.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <pthread.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/types.h>
|
|
// global var to enable openair performance profiler
|
|
extern int opp_enabled;
|
|
double cpu_freq_GHz;
|
|
#if defined(__x86_64__) || defined(__i386__)
|
|
|
|
typedef struct {
|
|
|
|
long long in;
|
|
long long diff;
|
|
long long diff_now;
|
|
long long p_time; /*!< \brief absolute process duration */
|
|
long long diff_square; /*!< \brief process duration square */
|
|
long long max;
|
|
int trials;
|
|
} time_stats_t;
|
|
#elif defined(__arm__)
|
|
typedef struct {
|
|
uint32_t in;
|
|
uint32_t diff_now;
|
|
uint32_t diff;
|
|
uint32_t p_time; /*!< \brief absolute process duration */
|
|
uint32_t diff_square; /*!< \brief process duration square */
|
|
uint32_t max;
|
|
int trials;
|
|
} time_stats_t;
|
|
|
|
#endif
|
|
static inline void start_meas(time_stats_t *ts) __attribute__((always_inline));
|
|
static inline void stop_meas(time_stats_t *ts) __attribute__((always_inline));
|
|
|
|
|
|
void print_meas_now(time_stats_t *ts, const char* name, int subframe, FILE* file_name);
|
|
void print_meas(time_stats_t *ts, const char* name, time_stats_t * total_exec_time, time_stats_t * sf_exec_time);
|
|
double get_time_meas_us(time_stats_t *ts);
|
|
double get_cpu_freq_GHz(void);
|
|
|
|
#if defined(__i386__)
|
|
static inline unsigned long long rdtsc_oai(void) __attribute__((always_inline));
|
|
static inline unsigned long long rdtsc_oai(void)
|
|
{
|
|
unsigned long long int x;
|
|
__asm__ volatile (".byte 0x0f, 0x31" : "=A" (x));
|
|
return x;
|
|
}
|
|
#elif defined(__x86_64__)
|
|
static inline unsigned long long rdtsc_oai(void) __attribute__((always_inline));
|
|
static inline unsigned long long rdtsc_oai(void)
|
|
{
|
|
unsigned long long a, d;
|
|
__asm__ volatile ("rdtsc" : "=a" (a), "=d" (d));
|
|
return (d<<32) | a;
|
|
}
|
|
|
|
#elif defined(__arm__)
|
|
static inline uint32_t rdtsc_oai(void) __attribute__((always_inline));
|
|
static inline uint32_t rdtsc_oai(void)
|
|
{
|
|
uint32_t r = 0;
|
|
asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r"(r) );
|
|
return r;
|
|
}
|
|
#endif
|
|
|
|
static inline void start_meas(time_stats_t *ts)
|
|
{
|
|
|
|
if (opp_enabled) {
|
|
|
|
ts->trials++;
|
|
ts->in = rdtsc_oai();
|
|
}
|
|
}
|
|
|
|
static inline void stop_meas(time_stats_t *ts)
|
|
{
|
|
|
|
if (opp_enabled) {
|
|
long long out = rdtsc_oai();
|
|
|
|
ts->diff_now = (out-ts->in);
|
|
|
|
ts->diff_now = (out-ts->in);
|
|
ts->diff += (out-ts->in);
|
|
/// process duration is the difference between two clock points
|
|
ts->p_time = (out-ts->in);
|
|
ts->diff_square += (out-ts->in)*(out-ts->in);
|
|
|
|
if ((out-ts->in) > ts->max)
|
|
ts->max = out-ts->in;
|
|
|
|
}
|
|
}
|
|
|
|
static inline void reset_meas(time_stats_t *ts) {
|
|
|
|
ts->trials=0;
|
|
ts->diff=0;
|
|
ts->diff_now=0;
|
|
ts->p_time=0;
|
|
ts->diff_square=0;
|
|
ts->max=0;
|
|
|
|
}
|
|
|
|
static inline void copy_meas(time_stats_t *dst_ts,time_stats_t *src_ts)
|
|
{
|
|
|
|
if (opp_enabled) {
|
|
dst_ts->trials=src_ts->trials;
|
|
dst_ts->diff=src_ts->diff;
|
|
dst_ts->max=src_ts->max;
|
|
}
|
|
}
|
|
#endif
|