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timing measurement fixes

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This commit is contained in:
Florian Kaltenberger
2016-09-30 16:23:49 +02:00
parent e202953ccb
commit f62063276a
2 changed files with 13 additions and 4 deletions
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openair1/PHY/TOOLS/time_meas.h
+10 -2
View File
@@ -52,6 +52,7 @@ typedef struct {
long long diff_square; /*!< \brief process duration square */
long long max;
int trials;
int meas_flag;
} time_stats_t;
#elif defined(__arm__)
typedef struct {
@@ -105,9 +106,14 @@ static inline void start_meas(time_stats_t *ts)
{
if (opp_enabled) {
if (ts->meas_flag==0) {
ts->trials++;
ts->in = rdtsc_oai();
ts->meas_flag=1;
}
else {
ts->in = rdtsc_oai();
}
}
}
@@ -127,7 +133,8 @@ static inline void stop_meas(time_stats_t *ts)
if ((out-ts->in) > ts->max)
ts->max = out-ts->in;
ts->meas_flag=0;
}
}
@@ -139,6 +146,7 @@ static inline void reset_meas(time_stats_t *ts) {
ts->p_time=0;
ts->diff_square=0;
ts->max=0;
ts->meas_flag=0;
}
openair1/SIMULATION/LTE_PHY/dlsim.c
+3 -2
View File
@@ -2086,6 +2086,7 @@ n(tikz_fname,"w");
reset_meas(&PHY_vars_UE->dlsch_channel_estimation_stats);
reset_meas(&PHY_vars_UE->dlsch_freq_offset_estimation_stats);
reset_meas(&PHY_vars_UE->rx_dft_stats);
reset_meas(&PHY_vars_UE->dlsch_llr_stats);
reset_meas(&PHY_vars_UE->dlsch_decoding_stats);
reset_meas(&PHY_vars_UE->dlsch_turbo_decoding_stats);
reset_meas(&PHY_vars_UE->dlsch_deinterleaving_stats);
@@ -4241,7 +4242,7 @@ n(tikz_fname,"w");
std_phy_proc_tx_enc = sqrt((double)PHY_vars_eNB->dlsch_encoding_stats.diff_square/pow(cpu_freq_GHz,2)/pow(1000,
2)/PHY_vars_eNB->dlsch_encoding_stats.trials - pow((double)PHY_vars_eNB->dlsch_encoding_stats.diff/PHY_vars_eNB->dlsch_encoding_stats.trials/cpu_freq_GHz/1000,2));
printf("DLSCH encoding time :%f us (%d trials)\n",(double)PHY_vars_eNB->dlsch_encoding_stats.diff/PHY_vars_eNB->dlsch_encoding_stats.trials/cpu_freq_GHz/1000.0,
PHY_vars_eNB->dlsch_modulation_stats.trials);
PHY_vars_eNB->dlsch_encoding_stats.trials);
printf("|__ Statistcs std: %fus median %fus q1 %fus q3 %fus \n",std_phy_proc_tx_enc, tx_enc_median, tx_enc_q1, tx_enc_q3);
printf("|__ DLSCH turbo encoding time :%f us (%d trials)\n",
((double)PHY_vars_eNB->dlsch_turbo_encoding_stats.trials/PHY_vars_eNB->dlsch_encoding_stats.trials)*(double)
@@ -4257,7 +4258,7 @@ n(tikz_fname,"w");
std_phy_proc_rx = sqrt((double)PHY_vars_UE->phy_proc_rx.diff_square/pow(cpu_freq_GHz,2)/pow(1000,
2)/PHY_vars_UE->phy_proc_rx.trials - pow((double)PHY_vars_UE->phy_proc_rx.diff/PHY_vars_UE->phy_proc_rx.trials/cpu_freq_GHz/1000,2));
printf("Total PHY proc rx :%f us (%d trials)\n",(double)PHY_vars_UE->phy_proc_rx.diff/PHY_vars_UE->phy_proc_rx.trials/cpu_freq_GHz/1000.0,
PHY_vars_UE->phy_proc_rx.trials*2/3);
PHY_vars_UE->phy_proc_rx.trials);
printf("|__Statistcs std: %fus max: %fus min: %fus median %fus q1 %fus q3 %fus n_dropped: %d packet \n", std_phy_proc_rx, t_rx_max, t_rx_min, rx_median,
rx_q1, rx_q3, n_rx_dropped);
std_phy_proc_rx_fft = sqrt((double)PHY_vars_UE->ofdm_demod_stats.diff_square/pow(cpu_freq_GHz,2)/pow(1000,