X-Git-Url: http://rtime.felk.cvut.cz/gitweb/can-benchmark.git/blobdiff_plain/d8dc1797c94d0ec7eceac8715a035ddaa5c66dfc..851ed48e4a16e8f10571e730456e43e710b69b1f:/latester/latester.c

diff --git a/latester/latester.c b/latester/latester.c
index 24015f1..bdd539c 100644
--- a/latester/latester.c
+++ b/latester/latester.c
@@ -82,6 +82,7 @@ struct {
 	unsigned overrun;
 	unsigned lost;
 	struct timespec tic, tac;
+	unsigned timeouts;
 } stats;
 
 int num_interfaces = 0;
@@ -188,33 +189,6 @@ void msg_info_print(FILE *f, struct msg_info *mi)
 	talloc_free (local);
 }
 
-int msg_info_store(FILE *f, struct msg_info *mi)
-{
-	struct timespec diff;
-	void *local = talloc_new (NULL);
-	static long num = 0;
-
-#define S(ts) tstamp_str(local, &ts)
-#define DIFF(a, b) (timespec_subtract(&diff, &b, &a), S(diff))
-
-	switch (num_interfaces) {
-	case 2:
-		fprintf(f, "%ld %d %d %s\n",
-			num, mi->id, mi->length,
-			DIFF(mi->ts_sent, mi->ts_rx_final_kern));
-		break;
-	case 3:
-		fprintf(f, "%ld %d %d %s\n",
-			num, mi->id, mi->length,
-			DIFF(mi->ts_rx_onwire_kern, mi->ts_rx_final_kern));
-		break;
-	}
-#undef S
-#undef DIFF
-	talloc_free (local);
-}
-
-
 /* Subtract the `struct timespec' values X and Y, storing the result in
    RESULT.  Return 1 if the difference is negative, otherwise 0.  */
 
@@ -252,13 +226,13 @@ static inline unsigned get_msg_latency_us(struct msg_info *mi)
 {
 	struct timespec diff;
 	switch (num_interfaces) {
-	case 2:
+	case 3:
 		if (opt.userhist)
 			timespec_subtract(&diff, &mi->ts_rx_final, &mi->ts_rx_onwire);
 		else
 			timespec_subtract(&diff, &mi->ts_rx_final_kern, &mi->ts_rx_onwire_kern);
 		break;
-	case 3:
+	case 2:
 		if (opt.userhist)
 			timespec_subtract(&diff, &mi->ts_rx_final, &mi->ts_sent);
 		else
@@ -537,6 +511,7 @@ void *measure_thread(void *arg)
 	struct timespec timeout;
 	struct sockaddr_can addr;
 	sigset_t set;
+	int consecutive_timeouts = 0;
 
 	MEMSET_ZERO(pfd);
 
@@ -603,7 +578,13 @@ void *measure_thread(void *arg)
 					SEND();
 				}
 			} else {
-				error(1, 0, "poll timeout");
+				/* Lost message - send a new one */
+				stats.timeouts++;
+				consecutive_timeouts++;
+				if (consecutive_timeouts < 10)
+					SEND();
+				else /* Something is really broken */
+					finish_flag = 1;
 			}
 			break;
 		default: // Event
@@ -623,6 +604,7 @@ void *measure_thread(void *arg)
 
 			i = (num_interfaces == 2) ? 1 : 2;
 			if (pfd[i].revents != 0) {
+				consecutive_timeouts = 0;
 				process_final_rx(pfd[i].fd);
 				msg_in_progress--;
 				pfd[i].revents = 0;
@@ -824,6 +806,9 @@ int main(int argc, const char *argv[])
 	fprintf(opt.f_stat, "lost=%d\n", stats.lost);
 	if (stats.lost && !opt.quiet)
 		printf("lost=%d\n", stats.lost);
+	fprintf(opt.f_stat, "timeouts=%d\n", stats.timeouts);
+	if (stats.timeouts && !opt.quiet)
+		printf("timeouts=%d\n", stats.timeouts);
 
 	fclose(opt.f_stat);