WIP

clock-res/src/clockres.c

@@ -13,7 +13,7 @@
 #include "tracer.h"
 
 #define CLOCK_ID CLOCK_MONOTONIC
-#define NSEC_PER_SEC INT64_C(1000000000)
+#define NSEC_PER_SEC UINT64_C(1000000000)
 
 typedef struct thread_stat {
   int nb_cycles;
@@ -60,32 +60,32 @@ static void *timerthread(void *p) {
   stat->max_res = 0;
   stat->min_res = UINT64_MAX;
 
-  if(param->enable_tracing)
-    tracing(1);
+  if (param->enable_tracing) tracing(1);
 
   for (stat->nb_cycles = 0;; stat->nb_cycles++) {
     if (param->max_cycles && (stat->nb_cycles >= param->max_cycles)) break;
 
-    if(param->enable_tracing)
-      tracemark("Time measure start\n");
+    if (param->enable_tracing) tracemark("Time measure start\n");
 
     clock_gettime(CLOCK_ID, &previous);
     clock_gettime(CLOCK_ID, &current);
 
-    if(param->enable_tracing)
-      tracemark("Time measure end");
+    if (param->enable_tracing) tracemark("Time measure end");
 
     diff = calcdiff_ns(current, previous);
 
-    sprintf(time_measured_string, "Diff measured: %" PRIu64 "\n", diff);
+    sprintf(time_measured_string,
+            "Diff measured: %" PRIu64
+            ", Current  (%ld, %ld), Previous (%ld, %ld)\n",
+            diff, current.tv_sec, current.tv_nsec, previous.tv_sec,
+            previous.tv_nsec);
 
-    if(param->enable_tracing)
-      tracemark(time_measured_string);
+    if (param->enable_tracing) tracemark(time_measured_string);
 
     stat->max_res = max(stat->max_res, diff);
     stat->min_res = min(stat->min_res, diff);
 
-    if( param->enable_tracing && (diff > param->latency_threshold) ) {
+    if (param->enable_tracing && (diff > param->latency_threshold)) {
       tracing(0);
       break;
     }
@@ -93,9 +93,7 @@ static void *timerthread(void *p) {
     usleep(param->interval);
   }
 
-  if(param->enable_tracing)
-    tracing(0);
-
+  if (param->enable_tracing) tracing(0);
 
   return NULL;
 }
@@ -117,7 +115,7 @@ int main(int argc, char *argv[]) {
 
   process_options(argc, argv, &param, &main_param);
 
-  if(main_param.enable_tracing) {
+  if (main_param.enable_tracing) {
     param.enable_tracing = 1;
     setup_tracer();
   }
@@ -136,12 +134,13 @@ int main(int argc, char *argv[]) {
            param.stat.nb_cycles);
 
     if (param.max_cycles == param.stat.nb_cycles) break;
-    if (main_param.enable_tracing && (param.stat.max_res >= param.latency_threshold)) break;
+    if (main_param.enable_tracing &&
+        (param.stat.max_res >= param.latency_threshold))
+      break;
   }
 
   // Just in case main exists before the thread
-  if(main_param.enable_tracing)
-    tracing(0);
+  if (main_param.enable_tracing) tracing(0);
 
   exit(EXIT_SUCCESS);
 }