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Nr cpu affinity2

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This commit is contained in:
Florian Kaltenberger
2019-01-09 20:49:15 +01:00
parent 78b9014624
commit 73178c8153
14 changed files with 117 additions and 68 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cmake_targets/build_oai
+4
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@@ -339,6 +339,10 @@ function main() {
FORCE_DEADLINE_SCHEDULER_FLAG_USER="True"
echo_info "Enabling the usage of deadline scheduler"
shift 1;;
--enable-cpu-affinity)
CPU_AFFINITY_FLAG_USER="True"
echo_info "Enabling CPU Affinity (only valid when not using deadline scheduler)"
shift 1;;
--disable-cpu-affinity)
CPU_AFFINITY_FLAG_USER="False"
echo_info "Disabling CPU Affinity (only valid when not using deadline scheduler)"
targets/ARCH/ADRV9371_ZC706/SYRTEM_IQ_QuickStart.readme
+10 -2
View File
@@ -115,8 +115,16 @@ sudo cset shield --reset
cd eur_oai_develop-nr/openairinterface5g/
source oaienv
sudo -E ./cmake_targets/build_oai -c --gNB -w ADRV9371_ZC706 -I
sudo -E ./cmake_targets/build_oai -c --gNB -w ADRV9371_ZC706
sudo -E ./cmake_targets/build_oai -c --gNB -w ADRV9371_ZC706 -I --enable-cpu-affinity
/* CPU available shall be mapped on CPU2 to get_nprocs() number with hyperthreading disabled */
/* because : */
/* - cset shield leave CPU0 for system */
/* - CPU1 is reserved for HwRxTx thread for I/Q acquisition ! */
/* Note: "/usr/local/etc/syriq/cpu-irq.sh" shall be changed if more than 8 cores are used */
/* ie. "cset shield --force --kthread on -c 1-7" where "-c 1-7" reserves CPU1 to CPU7 for application (CPU0 is for system) */
sudo -E ./cmake_targets/build_oai -c --gNB -w ADRV9371_ZC706 --enable-cpu-affinity
targets/COMMON/threads_t.h
+14 -13
View File
@@ -2,19 +2,20 @@
#define _THREADS_T_H_
typedef struct threads_s {
int iq;
int one;
int two;
int three;
int slot1_proc_one;
int slot1_proc_two;
int slot1_proc_three;
int dlsch_td_one;
int dlsch_td_two;
int dlsch_td_three;
int dlsch_td1_one;
int dlsch_td1_two;
int dlsch_td1_three;
int main;
int sync;
int one;
int two;
int three;
int slot1_proc_one;
int slot1_proc_two;
int slot1_proc_three;
//int dlsch_td_one;
//int dlsch_td_two;
//int dlsch_td_three;
//int dlsch_td1_one;
//int dlsch_td1_two;
//int dlsch_td1_three;
} threads_t;
#endif /* _THREADS_T_H_ */
targets/RT/USER/lte-softmodem.c
+5 -3
View File
@@ -253,7 +253,7 @@ extern char uecap_xer[1024];
char uecap_xer_in=0;
int oaisim_flag=0;
threads_t threads= {-1,-1,-1,-1,-1,-1,-1};
threads_t threads= {-1,-1,-1,-1,-1,-1,-1,-1};
/* see file openair2/LAYER2/MAC/main.c for why abstraction_flag is needed
* this is very hackish - find a proper solution
@@ -906,14 +906,16 @@ int main( int argc, char **argv )
char cpu_affinity[1024];
CPU_ZERO(&cpuset);
#ifdef CPU_AFFINITY
int j;
if (get_nprocs() > 2) {
CPU_SET(0, &cpuset);
for (j = 2; j < get_nprocs(); j++)
CPU_SET(j, &cpuset);
s = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
if (s != 0) {
perror( "pthread_setaffinity_np");
exit_fun("Error setting processor affinity");
}
LOG_I(HW, "Setting the affinity of main function to CPU 0, for device library to use CPU 0 only!\n");
LOG_I(HW, "Setting the affinity of main function to all CPUs, for device library to use CPU 0 only!\n");
}
#endif
targets/RT/USER/lte-softmodem.h
+2 -1
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@@ -169,7 +169,8 @@
{"clock", CONFIG_HLP_CLK, 0, uptr:&clock_source, defintval:0, TYPE_UINT, 0}, \
{"wait-for-sync", NULL, PARAMFLAG_BOOL, iptr:&wait_for_sync, defintval:0, TYPE_INT, 0}, \
{"single-thread-enable", CONFIG_HLP_NOSNGLT, PARAMFLAG_BOOL, iptr:&single_thread_flag, defintval:0, TYPE_INT, 0}, \
{"threadIQ", NULL, 0, iptr:&(threads.iq), defintval:1, TYPE_INT, 0}, \
{"threadMain", NULL, 0, iptr:&(threads.main), defintval:1, TYPE_INT, 0}, \
{"threadSync", NULL, 0, iptr:&(threads.sync), defintval:1, TYPE_INT, 0}, \
{"threadOneSubframe", NULL, 0, iptr:&(threads.one), defintval:1, TYPE_INT, 0}, \
{"threadTwoSubframe", NULL, 0, iptr:&(threads.two), defintval:1, TYPE_INT, 0}, \
{"threadThreeSubframe", NULL, 0, iptr:&(threads.three), defintval:1, TYPE_INT, 0}, \
targets/RT/USER/lte-ue.c
+4 -4
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@@ -456,8 +456,8 @@ static void *UE_thread_synch(void *arg)
cpu_set_t cpuset;
CPU_ZERO(&cpuset);
if ( threads.iq != -1 )
CPU_SET(threads.iq, &cpuset);
if ( threads.sync != -1 )
CPU_SET(threads.sync, &cpuset);
// this thread priority must be lower that the main acquisition thread
sprintf(threadname, "sync UE %d\n", UE->Mod_id);
init_thread(100000, 500000, FIFO_PRIORITY-1, &cpuset, threadname);
@@ -1435,8 +1435,8 @@ void *UE_thread(void *arg) {
cpu_set_t cpuset;
CPU_ZERO(&cpuset);
if ( threads.iq != -1 )
CPU_SET(threads.iq, &cpuset);
if ( threads.main != -1 )
CPU_SET(threads.main, &cpuset);
init_thread(100000, 500000, FIFO_PRIORITY, &cpuset,
"UHD Threads");
targets/RT/USER/lte-uesoftmodem.c
+6 -3
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@@ -260,7 +260,7 @@ extern char uecap_xer[1024];
char uecap_xer_in=0;
int oaisim_flag=0;
threads_t threads= {-1,-1,-1,-1,-1,-1,-1};
threads_t threads = {-1,-1,-1,-1,-1,-1,-1};
/* see file openair2/LAYER2/MAC/main.c for why abstraction_flag is needed
* this is very hackish - find a proper solution
@@ -1014,14 +1014,17 @@ printf("~~~~~~~~~~~~~~~~~~~~successfully get the parallel config[%d], worker con
char cpu_affinity[1024];
CPU_ZERO(&cpuset);
#ifdef CPU_AFFINITY
int j;
if (get_nprocs() > 2) {
CPU_SET(0, &cpuset);
for (j = 2; j < get_nprocs(); j++)
CPU_SET(j, &cpuset);
s = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
if (s != 0) {
perror( "pthread_setaffinity_np");
exit_fun("Error setting processor affinity");
}
LOG_I(HW, "Setting the affinity of main function to CPU 0, for device library to use CPU 0 only!\n");
LOG_I(HW, "Setting the affinity of main function to all CPUs, for device library to use CPU 0 only!\n");
}
#endif
targets/RT/USER/nr-ru.c
+3 -2
View File
@@ -1499,7 +1499,7 @@ static void* ru_thread( void* param ) {
int ret;
int subframe =9;
int frame =1023;
char filename[40];
char filename[40],threadname[40];
int print_frame = 2;
int i = 0;
@@ -1508,7 +1508,8 @@ static void* ru_thread( void* param ) {
// set default return value
thread_top_init("ru_thread",0,870000,1000000,1000000);
sprintf(threadname,"ru_thread %d",ru->idx);
thread_top_init(threadname,0,870000,1000000,1000000);
LOG_I(PHY,"Starting RU %d (%s,%s),\n",ru->idx,NB_functions[ru->function],NB_timing[ru->if_timing]);
targets/RT/USER/nr-softmodem.c
+7 -4
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@@ -247,8 +247,6 @@ double cpuf;
extern char uecap_xer[1024];
char uecap_xer_in=0;
threads_t threads= {-1,-1,-1,-1,-1,-1,-1};
/* see file openair2/LAYER2/MAC/main.c for why abstraction_flag is needed
* this is very hackish - find a proper solution
*/
@@ -1036,14 +1034,19 @@ int main( int argc, char **argv )
char cpu_affinity[1024];
CPU_ZERO(&cpuset);
#ifdef CPU_AFFINITY
int j;
if (get_nprocs() > 2) {
CPU_SET(0, &cpuset);
// CPU_SET(1, &cpuset);
for (j = 2; j < get_nprocs(); j++)
{
CPU_SET(j, &cpuset);
}
s = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
if (s != 0) {
perror( "pthread_setaffinity_np");
exit_fun("Error setting processor affinity");
}
LOG_I(HW, "Setting the affinity of main function to CPU 0, for device library to use CPU 0 only!\n");
LOG_I(HW, "Setting the affinity of main function to all CPUs, for device library to use CPU 0 only!\n");
}
#endif
targets/RT/USER/nr-softmodem.h
-6
View File
@@ -152,12 +152,6 @@
{"external-clock", CONFIG_HLP_EXCCLK, PARAMFLAG_BOOL, uptr:&clock_source, defintval:0, TYPE_INT, 0}, \
{"wait-for-sync", NULL, PARAMFLAG_BOOL, iptr:&wait_for_sync, defintval:0, TYPE_INT, 0}, \
{"single-thread-disable", CONFIG_HLP_NOSNGLT, PARAMFLAG_BOOL, iptr:&single_thread_flag, defintval:1, TYPE_INT, 0}, \
{"threadIQ", NULL, 0, iptr:&(threads.iq), defintval:1, TYPE_INT, 0}, \
{"threadOneSubframe", NULL, 0, iptr:&(threads.one), defintval:1, TYPE_INT, 0}, \
{"threadTwoSubframe", NULL, 0, iptr:&(threads.two), defintval:1, TYPE_INT, 0}, \
{"threadThreeSubframe", NULL, 0, iptr:&(threads.three), defintval:1, TYPE_INT, 0}, \
{"threadSlot1ProcOne", NULL, 0, iptr:&(threads.slot1_proc_one), defintval:1, TYPE_INT, 0}, \
{"threadSlot1ProcTwo", NULL, 0, iptr:&(threads.slot1_proc_two), defintval:1, TYPE_INT, 0}, \
{"A" , CONFIG_HLP_TADV, 0, uptr:&timing_advance, defintval:0, TYPE_UINT, 0}, \
{"C" , CONFIG_HLP_DLF, 0, uptr:&(downlink_frequency[0][0]), defuintval:DEFAULT_DLF, TYPE_UINT, 0}, \
{"a" , CONFIG_HLP_CHOFF, 0, iptr:&chain_offset, defintval:0, TYPE_INT, 0}, \
targets/RT/USER/nr-ue.c
+8 -8
View File
@@ -341,8 +341,8 @@ static void *UE_thread_synch(void *arg) {
cpu_set_t cpuset;
CPU_ZERO(&cpuset);
if ( threads.iq != -1 )
CPU_SET(threads.iq, &cpuset);
if ( threads.sync != -1 )
CPU_SET(threads.sync, &cpuset);
// this thread priority must be lower that the main acquisition thread
sprintf(threadname, "sync UE %d", UE->Mod_id);
init_thread(100000, 500000, FIFO_PRIORITY-1, &cpuset, threadname);
@@ -833,15 +833,15 @@ void *UE_thread(void *arg) {
cpu_set_t cpuset;
CPU_ZERO(&cpuset);
if ( threads.iq != -1 )
CPU_SET(threads.iq, &cpuset);
init_thread(100000, 500000, FIFO_PRIORITY, &cpuset,
"UHD Threads");
if ( threads.main != -1 )
CPU_SET(threads.main, &cpuset);
sprintf(threadname, "Main UE %d", UE->Mod_id);
init_thread(100000, 500000, FIFO_PRIORITY, &cpuset,threadname);
if ((oaisim_flag == 0) && (UE->mode !=loop_through_memory))
AssertFatal(0== openair0_device_load(&(UE->rfdevice), &openair0_cfg[0]), "");
UE->rfdevice.host_type = RAU_HOST;
sprintf(threadname, "Main UE %d", UE->Mod_id);
pthread_setname_np(pthread_self(), threadname);
init_UE_threads(UE);
#ifdef NAS_UE
targets/RT/USER/nr-uesoftmodem.c
+26 -5
View File
@@ -268,7 +268,8 @@ char uecap_xer[1024],uecap_xer_in=0;
int oaisim_flag=0;
int emulate_rf = 0;
threads_t threads= {-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1};
threads_t threads = {-1,-1,-1,-1,-1,-1,-1,-1};
int threads_offset = 0;
char* usrp_args=NULL;
char* usrp_clksrc=NULL;
@@ -1029,8 +1030,25 @@ int main( int argc, char **argv ) {
//dump_frame_parms(frame_parms[0]);
init_openair0();
// default threads.main = 2
// if there are enough processors, all others on subsequent CPUs
if (threads_offset>0) {
if (threads_offset+8<=get_nprocs()) {
if (threads.main<0) threads.main=threads_offset+1;
if (threads.sync<0) threads.sync=threads_offset+2;
if (threads.one<0) threads.one=threads_offset+3;
if (threads.two<0) threads.two=threads_offset+4;
if (threads.three<0) threads.three=threads_offset+5;
if (threads.slot1_proc_one<0) threads.slot1_proc_one=threads_offset+6;
if (threads.slot1_proc_two<0) threads.slot1_proc_two=threads_offset+7;
if (threads.slot1_proc_three<0) threads.slot1_proc_three=threads_offset+8;
}
else {
LOG_E(HW,"Not enough CPUs available (nprocs (=%d) >= threadmain (=%d) + 10)\n",get_nprocs(),threads_offset);
exit_fun("Error setting thread affinity\n");
}
}
#ifndef DEADLINE_SCHEDULER
@@ -1041,14 +1059,17 @@ int main( int argc, char **argv ) {
char cpu_affinity[1024];
CPU_ZERO(&cpuset);
#ifdef CPU_AFFINITY
if (get_nprocs() > 2) {
CPU_SET(0, &cpuset);
int j;
if (get_nprocs()>=2) {
for (j = 2; j < get_nprocs(); j++)
CPU_SET(j, &cpuset);
s = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
if (s != 0) {
perror( "pthread_setaffinity_np");
exit_fun("Error setting processor affinity");
}
LOG_I(HW, "Setting the affinity of main function to CPU 0, for device library to use CPU 0 only!\n");
LOG_I(HW, "Setting the affinity of main function to all CPUs, for device library to use CPU 0 only!\n");
}
#endif
targets/RT/USER/nr-uesoftmodem.h
+10 -7
View File
@@ -157,13 +157,16 @@
{"external-clock", CONFIG_HLP_EXCCLK, PARAMFLAG_BOOL, uptr:&clock_source, defintval:0, TYPE_INT, 0}, \
{"wait-for-sync", NULL, PARAMFLAG_BOOL, iptr:&wait_for_sync, defintval:0, TYPE_INT, 0}, \
{"single-thread-disable", CONFIG_HLP_NOSNGLT, PARAMFLAG_BOOL, iptr:&single_thread_flag, defintval:1, TYPE_INT, 0}, \
{"threadIQ", NULL, 0, iptr:&(threads.iq), defintval:1, TYPE_INT, 0}, \
{"threadOneSubframe", NULL, 0, iptr:&(threads.one), defintval:1, TYPE_INT, 0}, \
{"threadTwoSubframe", NULL, 0, iptr:&(threads.two), defintval:1, TYPE_INT, 0}, \
{"threadThreeSubframe", NULL, 0, iptr:&(threads.three), defintval:1, TYPE_INT, 0}, \
{"threadSlot1ProcOne", NULL, 0, iptr:&(threads.slot1_proc_one), defintval:1, TYPE_INT, 0}, \
{"threadSlot1ProcTwo", NULL, 0, iptr:&(threads.slot1_proc_two), defintval:1, TYPE_INT, 0}, \
{"nr_dlsch-demod-shift", CONFIG_HLP_DLSHIFT, 0, iptr:(int32_t *)&nr_dlsch_demod_shift, defintval:0, TYPE_INT, 0}, \
{"threadoffset", NULL, 0, iptr:&(threads_offset), defintval:0, TYPE_INT, 0}, \
{"threadMain", NULL, 0, iptr:&(threads.main), defintval:-1, TYPE_INT, 0}, \
{"threadSync", NULL, 0, iptr:&(threads.sync), defintval:-1, TYPE_INT, 0}, \
{"threadOneSubframe", NULL, 0, iptr:&(threads.one), defintval:-1, TYPE_INT, 0}, \
{"threadTwoSubframe", NULL, 0, iptr:&(threads.two), defintval:-1, TYPE_INT, 0}, \
{"threadThreeSubframe", NULL, 0, iptr:&(threads.three), defintval:-1, TYPE_INT, 0}, \
{"threadSlot1ProcOne", NULL, 0, iptr:&(threads.slot1_proc_one), defintval:-1, TYPE_INT, 0}, \
{"threadSlot1ProcTwo", NULL, 0, iptr:&(threads.slot1_proc_two), defintval:-1, TYPE_INT, 0}, \
{"threadSlot1ProcThree", NULL, 0, iptr:&(threads.slot1_proc_three), defintval:-1, TYPE_INT, 0}, \
{"nr-dlsch-demod-shift", CONFIG_HLP_DLSHIFT, 0, iptr:(int32_t *)&nr_dlsch_demod_shift, defintval:0, TYPE_INT, 0}, \
{"A" , CONFIG_HLP_TADV, 0, uptr:&timing_advance, defintval:0, TYPE_UINT, 0}, \
{"C" , CONFIG_HLP_DLF, 0, uptr:&(downlink_frequency[0][0]), defuintval:2680000000, TYPE_UINT, 0}, \
{"a" , CONFIG_HLP_CHOFF, 0, iptr:&chain_offset, defintval:0, TYPE_INT, 0}, \
targets/RT/USER/rt_wrapper.c
+18 -10
View File
@@ -294,20 +294,20 @@ void thread_top_init(char *thread_name,
char cpu_affinity[1024];
cpu_set_t cpuset;
/* Set affinity mask to include CPUs 1 to MAX_CPUS */
/* Set affinity mask to include CPUs 2 to MAX_CPUS */
/* CPU 0 is reserved for UHD threads */
/* CPU 1 is reserved for all RX_TX threads */
/* Enable CPU Affinity only if number of CPUs >2 */
/* Enable CPU Affinity only if number of CPUs > 2 */
CPU_ZERO(&cpuset);
#ifdef CPU_AFFINITY
if (get_nprocs() > 2)
if (affinity == 0) {
LOG_W(HW,"thread_top_init() called with affinity==0, but overruled by #ifdef CPU_AFFINITY\n");
}
else if (get_nprocs() > 2)
{
if (affinity == 0)
CPU_SET(0,&cpuset);
else
for (j = 1; j < get_nprocs(); j++)
CPU_SET(j, &cpuset);
for (j = 2; j < get_nprocs(); j++)
CPU_SET(j, &cpuset);
s = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
if (s != 0)
{
@@ -315,21 +315,29 @@ void thread_top_init(char *thread_name,
exit_fun("Error setting processor affinity");
}
}
#else //CPU_AFFINITY
if (affinity) {
LOG_W(HW,"thread_top_init() called with affinity>0, but overruled by #ifndef CPU_AFFINITY.\n");
}
#endif //CPU_AFFINITY
/* Check the actual affinity mask assigned to the thread */
s = pthread_getaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
if (s != 0) {
if (s != 0)
{
perror( "pthread_getaffinity_np");
exit_fun("Error getting processor affinity ");
}
memset(cpu_affinity,0,sizeof(cpu_affinity));
for (j = 0; j < 1024; j++)
if (CPU_ISSET(j, &cpuset)) {
{
if (CPU_ISSET(j, &cpuset))
{
char temp[1024];
sprintf (temp, " CPU_%d", j);
strcat(cpu_affinity, temp);
}
}
memset(&sparam, 0, sizeof(sparam));
sparam.sched_priority = sched_get_priority_max(SCHED_FIFO);