navid
ff2f80989b
* update ethernet library and common lib * update runtime values of the lte-softmodem tx and rx threads based on an empirical model git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7709 818b1a75-f10b-46b9-bf7c-635c3b92a50f
125 lines
4.1 KiB
C
125 lines
4.1 KiB
C
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@eurecom.fr
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Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
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*******************************************************************************/
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#include <stdio.h>
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#include "time_meas.h"
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#include <math.h>
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#include <unistd.h>
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// global var for openair performance profiler
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int opp_enabled = 0;
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double get_cpu_freq_GHz(void) {
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time_stats_t ts = {0};
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reset_meas(&ts);
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ts.trials++;
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ts.in = rdtsc_oai();
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sleep(1);
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ts.diff = (rdtsc_oai()-ts.in);
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cpu_freq_GHz = (double)ts.diff/1000000000;
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printf("CPU Freq is %f \n", cpu_freq_GHz);
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return cpu_freq_GHz;
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}
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void print_meas_now(time_stats_t *ts, const char* name, int subframe, FILE* file_name){
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if (opp_enabled) {
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//static double cpu_freq_GHz = 3.2;
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//if (cpu_freq_GHz == 0.0)
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//cpu_freq_GHz = get_cpu_freq_GHz(); // super slow
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if (ts->trials>0) {
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//fprintf(file_name,"Name %25s: Processing %15.3f ms for SF %d, diff_now %15.3f \n", name,(ts->diff_now/(cpu_freq_GHz*1000000.0)),subframe,ts->diff_now);
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fprintf(file_name,"%15.3f ms, diff_now %15.3f \n",(ts->diff_now/(cpu_freq_GHz*1000000.0)),(double)ts->diff_now);
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}
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}
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}
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void print_meas(time_stats_t *ts, const char* name, time_stats_t * total_exec_time, time_stats_t * sf_exec_time)
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{
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if (opp_enabled) {
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static int first_time = 0;
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static double cpu_freq_GHz = 0.0;
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if (cpu_freq_GHz == 0.0)
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cpu_freq_GHz = get_cpu_freq_GHz();
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if (first_time == 0) {
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first_time=1;
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if ((total_exec_time == NULL) || (sf_exec_time== NULL))
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fprintf(stderr, "%25s %25s %25s %25s %25s %6f\n","Name","Total","Per Trials", "Num Trials","CPU_F_GHz", cpu_freq_GHz);
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else
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fprintf(stderr, "%25s %25s %25s %20s %15s %6f\n","Name","Total","Average/Frame","Trials", "CPU_F_GHz", cpu_freq_GHz);
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}
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if (ts->trials>0) {
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//printf("%20s: total: %10.3f ms, average: %10.3f us (%10d trials)\n", name, ts->diff/cpu_freq_GHz/1000000.0, ts->diff/ts->trials/cpu_freq_GHz/1000.0, ts->trials);
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if ((total_exec_time == NULL) || (sf_exec_time== NULL)) {
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fprintf(stderr, "%25s: %15.3f ms ; %15.3f us; %15d;\n",
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name,
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(ts->diff/cpu_freq_GHz/1000000.0),
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(ts->diff/ts->trials/cpu_freq_GHz/1000.0),
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ts->trials);
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} else {
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fprintf(stderr, "%25s: %15.3f ms (%5.2f%%); %15.3f us (%5.2f%%); %15d;\n",
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name,
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(ts->diff/cpu_freq_GHz/1000000.0),
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((ts->diff/cpu_freq_GHz/1000000.0)/(total_exec_time->diff/cpu_freq_GHz/1000000.0))*100, // percentage
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(ts->diff/ts->trials/cpu_freq_GHz/1000.0),
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((ts->diff/ts->trials/cpu_freq_GHz/1000.0)/(sf_exec_time->diff/sf_exec_time->trials/cpu_freq_GHz/1000.0))*100, // percentage
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ts->trials);
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}
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}
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}
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}
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double get_time_meas_us(time_stats_t *ts)
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{
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static double cpu_freq_GHz = 0.0;
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if (cpu_freq_GHz == 0.0)
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cpu_freq_GHz = get_cpu_freq_GHz();
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if (ts->trials>0)
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return (ts->diff/ts->trials/cpu_freq_GHz/1000.0);
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return 0;
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}
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