Fix compilation warnings

Author: Syllo

libworkstream_df/profiling.c

@@ -525,7 +525,7 @@ void dump_wqueue_counters (unsigned int num_workers, wstream_df_thread_p* wstrea
 
 	memset(papi_counters_accum, 0, sizeof(papi_counters_accum));
 
-	for (int i = 0; i < num_workers; ++i) {
+	for (unsigned i = 0; i < num_workers; ++i) {
 		for(evt = 0; evt < papi_num_events; evt++) {
 			papi_counters_accum[evt] += wstream_df_worker_threads[i]->papi_counters[evt];
 		}

libworkstream_df/trace.c

@@ -79,7 +79,7 @@ void trace_runtime_counters(struct wstream_df_thread* cthread)
 #endif // PROFILE_RUSAGE
 
   uint64_t steals = 0;
-  for(int level = 0; level < topology_depth; level++)
+  for(unsigned level = 0; level < topology_depth; level++)
     steals += cthread->steals_mem[level];
 
   trace_counter(cthread, RUNTIME_COUNTER_BASE+RUNTIME_COUNTER_STEALS, steals);
@@ -522,7 +522,7 @@ void dump_events_ostv(int num_workers, wstream_df_thread_p* wstream_df_worker_th
 	    dsk_cre.counter_id = th->events[k].counter.counter_id;
 	    dsk_cre.value = th->events[k].counter.value;
 
-			fprintf(stderr,"Tracing counter id %d with value %llu.\n", th->events[k].counter.counter_id, th->events[k].counter.value);
+			fprintf(stderr,"Tracing counter id %" PRIu64 " with value %" PRId64 ".\n", th->events[k].counter.counter_id, th->events[k].counter.value);
 
 	    write_struct_convert(fp, &dsk_cre, sizeof(dsk_cre), trace_counter_event_conversion_table, 0);
 	  }

libworkstream_df/wstream_df.c

@@ -1732,10 +1732,7 @@ void openstream_start_hardware_counters(void) {
 
 void openstream_pause_hardware_counters(void)
 {
-	int64_t local_ts = rdtsc();
-	wstream_df_thread_p cthread = current_thread;
-
-	for(unsigned i = 0; i < wstream_num_workers; i++) 
+	for(unsigned i = 0; i < wstream_num_workers; i++)
 	  openstream_pause_hardware_counters_single(wstream_df_worker_threads[i]);
 
 	trace_measure_end(cthread);