new thread model

common/utils/threadPool/measurement_display.c

@@ -0,0 +1,61 @@
+/*
+  Author: Laurent THOMAS, Open Cells
+  copyleft: OpenAirInterface Software Alliance and it's licence
+*/
+
+#define __USE_GNU
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <pthread.h>
+#include <sched.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <sys/time.h>
+#include <stdint.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include "thread-pool.h"
+
+#define SEP "\t"
+
+uint64_t cpuCyclesMicroSec;
+
+int main(int argc, char *argv[]) {
+  if(argc != 2) {
+    printf("Need one paramter: the trace Linux pipe (fifo)");
+    exit(1);
+  }
+
+  mkfifo(argv[1],0666);
+  int fd=open(argv[1], O_RDONLY);
+
+  if ( fd == -1 ) {
+    perror("open read mode trace file:");
+    exit(1);
+  }
+
+  uint64_t deb=rdtsc();
+  usleep(100000);
+  cpuCyclesMicroSec=(rdtsc()-deb)/100000;
+  printf("Cycles per µs: %lu\n",cpuCyclesMicroSec);
+  printf("Key" SEP "delay to process" SEP "processing time" SEP "delay to be read answer\n");
+  notifiedFIFO_elt_t doneRequest;
+
+  while ( 1 ) {
+    if ( read(fd,&doneRequest, sizeof(doneRequest)) ==  sizeof(doneRequest)) {
+      printf("%lu" SEP "%lu" SEP "%lu" SEP "%lu" "\n",
+             doneRequest.key,
+             (doneRequest.startProcessingTime-doneRequest.creationTime)/cpuCyclesMicroSec,
+             (doneRequest.endProcessingTime-doneRequest.startProcessingTime)/cpuCyclesMicroSec,
+             (doneRequest.returnTime-doneRequest.endProcessingTime)/cpuCyclesMicroSec
+            );
+    } else {
+      printf("no measurements\n");
+      sleep(1);
+    }
+  }
+}