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
97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
#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, 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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