X-Git-Url: http://rtime.felk.cvut.cz/gitweb/can-benchmark.git/blobdiff_plain/9d17d0f7a4dd5918a77c4da2d5e553026297816d..43d1fc38b83d1aadfd22263a5930caaf8e0c584c:/latester/latester.c

diff --git a/latester/latester.c b/latester/latester.c
index 619c258..6a78872 100644
--- a/latester/latester.c
+++ b/latester/latester.c
@@ -59,10 +59,14 @@ struct options {
 	unsigned timeout_ms;
 	unsigned count;
 	unsigned oneattime;
-	FILE *file;
-	FILE *histogram;
+	char *name;
 	int length;
 	int userhist;
+
+	/* Temporary variables */
+	FILE *f_msgs;
+	FILE *f_hist;
+	FILE *f_stat;
 };
 
 struct options opt = {
@@ -503,8 +507,7 @@ void process_final_rx(int s)
 	mi->ts_rx_final = ts_user;
 	mi->received = frame;
 
-	if (opt.histogram)
-		histogram_add(&histogram, get_msg_latency_us(mi));
+	histogram_add(&histogram, get_msg_latency_us(mi));
 
 	ret = write(completion_pipe[1], &mi, sizeof(mi));
 	if (ret == -1)
@@ -627,8 +630,7 @@ struct poptOption optionsTable[] = {
 	{ "timeout",'t', POPT_ARG_INT|POPT_ARGFLAG_SHOW_DEFAULT,  &opt.timeout_ms,0, "Timeout when period is zero", "ms"},
 	{ "oneattime",'o', POPT_ARG_NONE,			  &opt.oneattime,0,  "Send the next message only when the previous was finally received"},
 	{ "verbose",'v', POPT_ARG_NONE,			  	  NULL, 'v',   	     "Send the next message only when the previous was finally received"},
-	{ "file",   'f', POPT_ARG_STRING, 			  NULL, 'f',   	     "File where to store results", "filename"},
-	{ "histogram", 'h', POPT_ARG_STRING, 			  NULL, 'h',   	     "Store histogram in file", "filename"},
+	{ "name",   'n', POPT_ARG_STRING,			  &opt.name, 0,	     "Prefix of the generated files"},
 	{ "length", 'l', POPT_ARG_INT|POPT_ARGFLAG_SHOW_DEFAULT,  &opt.length, 0,    "The length of generated messages", "bytes"},
 	{ "userhist", 'u', POPT_ARG_NONE,  			  &opt.userhist, 0,  "Generate histogram from userspace timestamps"},
 	POPT_AUTOHELP
@@ -639,6 +641,7 @@ int parse_options(int argc, const char *argv[])
 {
 	int c;
 	poptContext optCon;   /* context for parsing command-line options */
+	void *local = talloc_new (NULL);
 
 	optCon = poptGetContext(NULL, argc, argv, optionsTable, 0);
 	//poptSetOtherOptionHelp(optCon, "[OPTIONS]* <port>");
@@ -649,16 +652,6 @@ int parse_options(int argc, const char *argv[])
 		case 'd':
 			num_interfaces++;
 			break;
-		case 'f':
-			opt.file = fopen(poptGetOptArg(optCon), "w");
-			if (!opt.file)
-				error(1, errno, "fopen: %s", poptGetOptArg(optCon));
-			break;
-		case 'h':
-			opt.histogram = fopen(poptGetOptArg(optCon), "w");
-			if (!opt.histogram)
-				error(1, errno, "fopen: %s", poptGetOptArg(optCon));
-			break;
 		}
 	}
 	if (c < -1)
@@ -672,8 +665,29 @@ int parse_options(int argc, const char *argv[])
 	if (opt.oneattime && opt.period_us)
 		error(1, 0, "oneattime and period cannot be specified at the same time");
 
-	poptFreeContext(optCon);
+	if (opt.name) {
+		char *f = talloc_asprintf(local, "%s-msgs.txt", opt.name);
+		opt.f_msgs = fopen(f, "w");
+		if (!opt.f_msgs)
+			error(1, errno, "fopen: %s", f);
+	}
+
+	if (opt.name) {
+		char *f = talloc_asprintf(local, "%s-hist.txt", opt.name);
+		opt.f_hist = fopen(f, "w");
+		if (!opt.f_hist)
+			error(1, errno, "fopen: %s", f);
+	}
+
+	if (opt.name) {
+		char *f = talloc_asprintf(local, "%s-stat.txt", opt.name);
+		opt.f_stat = fopen(f, "w");
+		if (!opt.f_stat)
+			error(1, errno, "fopen: %s", f);
+	}
 
+	poptFreeContext(optCon);
+	talloc_free(local);
 	return 0;
 }
 
@@ -699,9 +713,7 @@ int main(int argc, const char *argv[])
 	for (i=0; i<MAX_INFOS; i++)
 		msg_infos[i].id = -1;
 
-	if (opt.histogram) {
-		histogram_init(&histogram, 5000000, 1);
-	}
+	histogram_init(&histogram, 5000000, 1);
 
 	ret = pipe(completion_pipe);
 	if (ret == -1)
@@ -730,8 +742,7 @@ int main(int argc, const char *argv[])
 			ret = read(completion_pipe[0], &mi, sizeof(mi));
 			if (ret < sizeof(mi))
 				error(1, errno, "read completion returned %d", ret);
-			if (opt.file)
-				msg_info_print(opt.file, mi);
+			msg_info_print(opt.f_msgs, mi);
 			msg_info_free(mi);
 			completed++;
 		}
@@ -763,19 +774,23 @@ int main(int argc, const char *argv[])
 	close(completion_pipe[0]);
 	close(completion_pipe[1]);
 
-	if (opt.histogram) {
-		histogram_fprint(&histogram, opt.histogram);
-		fclose(opt.histogram);
-	}
-	if (opt.file)
-		fclose(opt.file);
+	histogram_fprint(&histogram, opt.f_hist);
+	fclose(opt.f_hist);
+	fclose(opt.f_msgs);
 
+	
+	fprintf(opt.f_stat, "sent=%d\n", count);
+	fprintf(opt.f_stat, "overrun=%d\n", stats.overrun);
 	if (stats.overrun)
 		printf("overrun=%d\n", stats.overrun);
+	fprintf(opt.f_stat, "enobufs=%d\n", stats.enobufs);
 	if (stats.enobufs)
 		printf("enobufs=%d\n", stats.enobufs);
+	fprintf(opt.f_stat, "lost=%d\n", stats.lost);
 	if (stats.lost)
 		printf("lost=%d\n", stats.lost);
 
+	fclose(opt.f_stat);
+
 	return 0;
 }