hardy
c4745c3e46
Conflicts: cmake_targets/CMakeLists.txt openair1/PHY/TOOLS/time_meas.h openair2/LAYER2/PDCP_v10.1.0/pdcp_fifo.c openair2/LAYER2/RLC/rlc.h
135 lines
4.2 KiB
C
135 lines
4.2 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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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 cpu_freq_GHz __attribute__ ((aligned(32)));
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double cpu_freq_GHz __attribute__ ((aligned(32)))=0.0;
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double get_cpu_freq_GHz(void)
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{
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if (cpu_freq_GHz <1 ) {
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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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}
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return cpu_freq_GHz;
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}
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int cpumeas(int action)
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{
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switch (action) {
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case CPUMEAS_ENABLE:
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opp_enabled = 1;
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break;
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case CPUMEAS_DISABLE:
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opp_enabled = 0;
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break;
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case CPUMEAS_GETSTATE:
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default:
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break;
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}
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return opp_enabled;
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}
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void print_meas_now(time_stats_t *ts,
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const char *name,
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FILE *file_name)
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{
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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->p_time/(cpu_freq_GHz*1000000.0)),subframe,ts->p_time);
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fprintf(file_name,"%15.3f us, diff_now %15.3f \n",(ts->p_time/(cpu_freq_GHz*1000.0)),(double)ts->p_time);
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}
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}
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}
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void print_meas(time_stats_t *ts,
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const char *name,
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time_stats_t *total_exec_time,
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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 us; %15d;\n",
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name,
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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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