Commit 211b6fea authored by Robert Schmidt's avatar Robert Schmidt

Use (portable) rdtsc_oai() in tpool

parent c6ac88ff
...@@ -51,6 +51,7 @@ ...@@ -51,6 +51,7 @@
static char *grouptypes[] = {"ltestats","cpustats"}; static char *grouptypes[] = {"ltestats","cpustats"};
static double cpufreq; static double cpufreq;
extern notifiedFIFO_t measur_fifo;
#define TELNET_NUM_MEASURTYPES (sizeof(grouptypes)/sizeof(char *)) #define TELNET_NUM_MEASURTYPES (sizeof(grouptypes)/sizeof(char *))
#define HDR "---------------------------------" #define HDR "---------------------------------"
......
...@@ -43,9 +43,9 @@ int main(int argc, char *argv[]) { ...@@ -43,9 +43,9 @@ int main(int argc, char *argv[]) {
exit(1); exit(1);
} }
uint64_t deb=rdtsc(); uint64_t deb=rdtsc_oai();
usleep(100000); usleep(100000);
cpuCyclesMicroSec=(rdtsc()-deb)/100000; cpuCyclesMicroSec=(rdtsc_oai()-deb)/100000;
printf("Cycles per µs: %lu\n",cpuCyclesMicroSec); printf("Cycles per µs: %lu\n",cpuCyclesMicroSec);
printf("Key" SEP "delay to process" SEP "processing time" SEP "delay to be read answer\n"); printf("Key" SEP "delay to process" SEP "processing time" SEP "delay to be read answer\n");
notifiedFIFO_elt_t doneRequest; notifiedFIFO_elt_t doneRequest;
......
...@@ -72,11 +72,11 @@ void *one_thread(void *arg) { ...@@ -72,11 +72,11 @@ void *one_thread(void *arg) {
do { do {
notifiedFIFO_elt_t *elt=pullNotifiedFifoRemember(&tp->incomingFifo, myThread); notifiedFIFO_elt_t *elt=pullNotifiedFifoRemember(&tp->incomingFifo, myThread);
if (tp->measurePerf) elt->startProcessingTime=rdtsc(); if (tp->measurePerf) elt->startProcessingTime=rdtsc_oai();
elt->processingFunc(NotifiedFifoData(elt)); elt->processingFunc(NotifiedFifoData(elt));
if (tp->measurePerf) elt->endProcessingTime=rdtsc(); if (tp->measurePerf) elt->endProcessingTime=rdtsc_oai();
if (elt->reponseFifo) { if (elt->reponseFifo) {
// Check if the job is still alive, else it has been aborted // Check if the job is still alive, else it has been aborted
......
...@@ -29,15 +29,9 @@ ...@@ -29,15 +29,9 @@
#include <pthread.h> #include <pthread.h>
#include <unistd.h> #include <unistd.h>
#include <sys/syscall.h> #include <sys/syscall.h>
#include <assertions.h> #include "assertions.h"
#include <common/utils/system.h> #include "common/utils/time_meas.h"
//#include <stdatomic.h> #include "common/utils/system.h"
static __inline__ uint64_t rdtsc(void) {
uint32_t a, d;
__asm__ volatile ("rdtsc" : "=a" (a), "=d" (d));
return (((uint64_t)d)<<32) | ((uint64_t)a);
}
#ifdef DEBUG #ifdef DEBUG
#define THREADINIT PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP #define THREADINIT PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP
...@@ -66,10 +60,10 @@ typedef struct notifiedFIFO_elt_s { ...@@ -66,10 +60,10 @@ typedef struct notifiedFIFO_elt_s {
struct notifiedFIFO_s *reponseFifo; struct notifiedFIFO_s *reponseFifo;
void (*processingFunc)(void *); void (*processingFunc)(void *);
bool malloced; bool malloced;
uint64_t creationTime; OAI_CPUTIME_TYPE creationTime;
uint64_t startProcessingTime; OAI_CPUTIME_TYPE startProcessingTime;
uint64_t endProcessingTime; OAI_CPUTIME_TYPE endProcessingTime;
uint64_t returnTime; OAI_CPUTIME_TYPE returnTime;
void *msgData; void *msgData;
} notifiedFIFO_elt_t; } notifiedFIFO_elt_t;
...@@ -225,18 +219,18 @@ typedef struct thread_pool { ...@@ -225,18 +219,18 @@ typedef struct thread_pool {
} tpool_t; } tpool_t;
static inline void pushTpool(tpool_t *t, notifiedFIFO_elt_t *msg) { static inline void pushTpool(tpool_t *t, notifiedFIFO_elt_t *msg) {
if (t->measurePerf) msg->creationTime=rdtsc(); if (t->measurePerf) msg->creationTime=rdtsc_oai();
if ( t->activated) if ( t->activated)
pushNotifiedFIFO(&t->incomingFifo, msg); pushNotifiedFIFO(&t->incomingFifo, msg);
else { else {
if (t->measurePerf) if (t->measurePerf)
msg->startProcessingTime=rdtsc(); msg->startProcessingTime=rdtsc_oai();
msg->processingFunc(NotifiedFifoData(msg)); msg->processingFunc(NotifiedFifoData(msg));
if (t->measurePerf) if (t->measurePerf)
msg->endProcessingTime=rdtsc(); msg->endProcessingTime=rdtsc_oai();
if (msg->reponseFifo) if (msg->reponseFifo)
pushNotifiedFIFO(msg->reponseFifo, msg); pushNotifiedFIFO(msg->reponseFifo, msg);
...@@ -247,7 +241,7 @@ static inline notifiedFIFO_elt_t *pullTpool(notifiedFIFO_t *responseFifo, tpool_ ...@@ -247,7 +241,7 @@ static inline notifiedFIFO_elt_t *pullTpool(notifiedFIFO_t *responseFifo, tpool_
notifiedFIFO_elt_t *msg= pullNotifiedFIFO(responseFifo); notifiedFIFO_elt_t *msg= pullNotifiedFIFO(responseFifo);
AssertFatal(t->traceFd, "Thread pool used while not initialized"); AssertFatal(t->traceFd, "Thread pool used while not initialized");
if (t->measurePerf) if (t->measurePerf)
msg->returnTime=rdtsc(); msg->returnTime=rdtsc_oai();
if (t->traceFd > 0) if (t->traceFd > 0)
if(write(t->traceFd, msg, sizeof(*msg))); if(write(t->traceFd, msg, sizeof(*msg)));
...@@ -262,7 +256,7 @@ static inline notifiedFIFO_elt_t *tryPullTpool(notifiedFIFO_t *responseFifo, tpo ...@@ -262,7 +256,7 @@ static inline notifiedFIFO_elt_t *tryPullTpool(notifiedFIFO_t *responseFifo, tpo
return NULL; return NULL;
if (t->measurePerf) if (t->measurePerf)
msg->returnTime=rdtsc(); msg->returnTime=rdtsc_oai();
if (t->traceFd) if (t->traceFd)
if(write(t->traceFd, msg, sizeof(*msg))); if(write(t->traceFd, msg, sizeof(*msg)));
......
...@@ -267,6 +267,15 @@ void init_meas(void) { ...@@ -267,6 +267,15 @@ void init_meas(void) {
AssertFatal(rt==0, "couldn't create cpu measurment thread: %s\n",strerror(errno)); AssertFatal(rt==0, "couldn't create cpu measurment thread: %s\n",strerror(errno));
} }
void send_meas(time_stats_t *ts, int msgid) {
if (MEASURE_ENABLED(ts) ) {
ts->tstatptr->timestat_id=ts->meas_index;
ts->tstatptr->msgid = msgid ;
ts->tstatptr->ts = rdtsc_oai();
pushNotifiedFIFO(&measur_fifo, ts->tpoolmsg);
}
}
void end_meas(void) { void end_meas(void) {
notifiedFIFO_elt_t *nfe = newNotifiedFIFO_elt(sizeof(time_stats_msg_t),0,NULL,NULL); notifiedFIFO_elt_t *nfe = newNotifiedFIFO_elt(sizeof(time_stats_msg_t),0,NULL,NULL);
time_stats_msg_t *msg = (time_stats_msg_t *)NotifiedFifoData(nfe); time_stats_msg_t *msg = (time_stats_msg_t *)NotifiedFifoData(nfe);
......
...@@ -31,7 +31,6 @@ ...@@ -31,7 +31,6 @@
#include <pthread.h> #include <pthread.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/types.h> #include <linux/types.h>
#include "common/utils/threadPool/thread-pool.h"
// global var to enable openair performance profiler // global var to enable openair performance profiler
extern int opp_enabled; extern int opp_enabled;
extern double cpu_freq_GHz __attribute__ ((aligned(32)));; extern double cpu_freq_GHz __attribute__ ((aligned(32)));;
...@@ -58,8 +57,8 @@ typedef struct { ...@@ -58,8 +57,8 @@ typedef struct {
meas_printfunc_t displayFunc; /*!< \brief function to call when DISPLAY message is received*/ meas_printfunc_t displayFunc; /*!< \brief function to call when DISPLAY message is received*/
} time_stats_msg_t; } time_stats_msg_t;
struct notifiedFIFO_elt_s;
typedef struct { typedef struct time_stats {
OAI_CPUTIME_TYPE in; /*!< \brief time at measure starting point */ OAI_CPUTIME_TYPE in; /*!< \brief time at measure starting point */
OAI_CPUTIME_TYPE diff; /*!< \brief average difference between time at starting point and time at endpoint*/ OAI_CPUTIME_TYPE diff; /*!< \brief average difference between time at starting point and time at endpoint*/
OAI_CPUTIME_TYPE p_time; /*!< \brief absolute process duration */ OAI_CPUTIME_TYPE p_time; /*!< \brief absolute process duration */
...@@ -70,7 +69,7 @@ typedef struct { ...@@ -70,7 +69,7 @@ typedef struct {
char *meas_name; /*!< \brief name to use when printing the measure (not used for PHY simulators)*/ char *meas_name; /*!< \brief name to use when printing the measure (not used for PHY simulators)*/
int meas_index; /*!< \brief index of this measure in the measure array (not used for PHY simulators)*/ int meas_index; /*!< \brief index of this measure in the measure array (not used for PHY simulators)*/
int meas_enabled; /*!< \brief per measure enablement flag. send_meas tests this flag, unused today in start_meas and stop_meas*/ int meas_enabled; /*!< \brief per measure enablement flag. send_meas tests this flag, unused today in start_meas and stop_meas*/
notifiedFIFO_elt_t *tpoolmsg; /*!< \brief message pushed to the cpu measurment queue to report a measure START or STOP */ struct notifiedFIFO_elt_s *tpoolmsg; /*!< \brief message pushed to the cpu measurment queue to report a measure START or STOP */
time_stats_msg_t *tstatptr; /*!< \brief pointer to the time_stats_msg_t data in the tpoolmsg, stored here for perf considerations*/ time_stats_msg_t *tstatptr; /*!< \brief pointer to the time_stats_msg_t data in the tpoolmsg, stored here for perf considerations*/
} time_stats_t; } time_stats_t;
#define MEASURE_ENABLED(X) (X->meas_enabled) #define MEASURE_ENABLED(X) (X->meas_enabled)
...@@ -189,25 +188,17 @@ static inline void merge_meas(time_stats_t *dst_ts, time_stats_t *src_ts) ...@@ -189,25 +188,17 @@ static inline void merge_meas(time_stats_t *dst_ts, time_stats_t *src_ts)
dst_ts->max = src_ts->max; dst_ts->max = src_ts->max;
} }
extern notifiedFIFO_t measur_fifo;
#define CPUMEASUR_SECTION "cpumeasur" #define CPUMEASUR_SECTION "cpumeasur"
#define CPUMEASUR_PARAMS_DESC { \ #define CPUMEASUR_PARAMS_DESC { \
{"max_cpumeasur", "Max number of cpu measur entries", 0, uptr:&max_cpumeasur, defintval:100, TYPE_UINT, 0},\ {"max_cpumeasur", "Max number of cpu measur entries", 0, uptr:&max_cpumeasur, defintval:100, TYPE_UINT, 0},\
} }
void init_meas(void); void init_meas(void);
time_stats_t *register_meas(char *name); time_stats_t *register_meas(char *name);
#define START_MEAS(X) send_meas(X, TIMESTAT_MSGID_START) #define START_MEAS(X) send_meas(X, TIMESTAT_MSGID_START)
#define STOP_MEAS(X) send_meas(X, TIMESTAT_MSGID_STOP) #define STOP_MEAS(X) send_meas(X, TIMESTAT_MSGID_STOP)
static inline void send_meas(time_stats_t *ts, int msgid) { void send_meas(time_stats_t *ts, int msgid);
if (MEASURE_ENABLED(ts) ) { void end_meas(void);
ts->tstatptr->timestat_id=ts->meas_index;
ts->tstatptr->msgid = msgid ;
ts->tstatptr->ts = rdtsc_oai();
pushNotifiedFIFO(&measur_fifo, ts->tpoolmsg);
}
}
void end_meas(void);
#endif #endif
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment