/******************************************************************************* 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 *******************************************************************************/ #include <stdio.h> #include "time_meas.h" #include <math.h> #include <unistd.h> // global var for openair performance profiler int opp_enabled = 0; double get_cpu_freq_GHz(void) { time_stats_t ts = {0}; reset_meas(&ts); ts.trials++; ts.in = rdtsc_oai(); sleep(1); ts.diff = (rdtsc_oai()-ts.in); cpu_freq_GHz = (double)ts.diff/1000000000; printf("CPU Freq is %f \n", cpu_freq_GHz); return cpu_freq_GHz; } void print_meas_now(time_stats_t *ts, const char* name, FILE* file_name){ if (opp_enabled) { //static double cpu_freq_GHz = 3.2; //if (cpu_freq_GHz == 0.0) //cpu_freq_GHz = get_cpu_freq_GHz(); // super slow if (ts->trials>0) { //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); fprintf(file_name,"%15.3f ms, diff_now %15.3f \n",(ts->diff_now/(cpu_freq_GHz*1000000.0)),(double)ts->diff_now); } } } void print_meas(time_stats_t *ts, const char* name, time_stats_t * total_exec_time, time_stats_t * sf_exec_time) { if (opp_enabled) { static int first_time = 0; static double cpu_freq_GHz = 0.0; if (cpu_freq_GHz == 0.0) cpu_freq_GHz = get_cpu_freq_GHz(); if (first_time == 0) { first_time=1; if ((total_exec_time == NULL) || (sf_exec_time== NULL)) fprintf(stderr, "%25s %25s %25s %25s %25s %6f\n","Name","Total","Per Trials", "Num Trials","CPU_F_GHz", cpu_freq_GHz); else fprintf(stderr, "%25s %25s %25s %20s %15s %6f\n","Name","Total","Average/Frame","Trials", "CPU_F_GHz", cpu_freq_GHz); } if (ts->trials>0) { //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); if ((total_exec_time == NULL) || (sf_exec_time== NULL)) { fprintf(stderr, "%25s: %15.3f ms ; %15.3f us; %15d;\n", name, (ts->diff/cpu_freq_GHz/1000000.0), (ts->diff/ts->trials/cpu_freq_GHz/1000.0), ts->trials); } else { fprintf(stderr, "%25s: %15.3f ms (%5.2f%%); %15.3f us (%5.2f%%); %15d;\n", name, (ts->diff/cpu_freq_GHz/1000000.0), ((ts->diff/cpu_freq_GHz/1000000.0)/(total_exec_time->diff/cpu_freq_GHz/1000000.0))*100, // percentage (ts->diff/ts->trials/cpu_freq_GHz/1000.0), ((ts->diff/ts->trials/cpu_freq_GHz/1000.0)/(sf_exec_time->diff/sf_exec_time->trials/cpu_freq_GHz/1000.0))*100, // percentage ts->trials); } } } } double get_time_meas_us(time_stats_t *ts) { static double cpu_freq_GHz = 0.0; if (cpu_freq_GHz == 0.0) cpu_freq_GHz = get_cpu_freq_GHz(); if (ts->trials>0) return (ts->diff/ts->trials/cpu_freq_GHz/1000.0); return 0; }