Miscellany

--- bandwidth-0.13/main.c	2007-08-13 02:36:55.000000000 +0200+++ bandwidth-0.13-patched/main.c	2008-04-07 03:23:59.000000000 +0200@@ -403,9 +403,52 @@ 	free(a2); } +void usage(char *argv0)+{+	printf ("usage: %s -l2read -l2write -read -write -fb -library\n"+		"or: %s -all\n"+		"will run the specified test(s), or all of them\n",+		argv0, argv0);+} -main()+int main(int argc, char **argv) {+	char *argv0 = argv[0] ? argv[0] : "bandwidth";+	int do_l2_seq_read = 0,+	    do_l2_seq_write = 0,+	    do_main_seq_read = 0,+	    do_main_seq_write = 0,+	    do_fb_readwrite = 0,+	    do_library_test = 0,+	    do_all_tests = 0;++	if (argc <= 1) {+		usage(argv0);+		exit(1);+	}+	while (argc > 1) {+		if (!strcmp(argv[1], "-all"))+			do_all_tests = 1;+		else if (!strcmp(argv[1], "-l2read"))+			do_l2_seq_read = 1;+		else if (!strcmp(argv[1], "-l2write"))+			do_l2_seq_write = 1;+		else if (!strcmp(argv[1], "-read"))+			do_main_seq_read = 1;+		else if (!strcmp(argv[1], "-write"))+			do_main_seq_write = 1;+		else if (!strcmp(argv[1], "-fb"))+			do_fb_readwrite = 1;+		else if (!strcmp(argv[1], "-library"))+			do_library_test = 1;+		else {+			usage(argv0);+			exit(1);+		}+		--argc;+		++argv;+	}+ 	printf ("This is bandwidth version %s\n", VERSION); 	printf ("Copyright (C) 2005,2007 by Zack T Smith\n\n"); @@ -414,15 +457,21 @@ 	system ("grep MHz /proc/cpuinfo | uniq | sed \"s/[\\t\\n: a-zA-Z]//g\""); 	fflush (stdout); -	l2_seq_read ();-	l2_seq_write ();--	main_seq_read ();-	main_seq_write ();+	if(do_l2_seq_read || do_all_tests)+		l2_seq_read ();+	if(do_l2_seq_write || do_all_tests)+		l2_seq_write ();++	if(do_main_seq_read || do_all_tests)+		main_seq_read ();+	if(do_main_seq_write || do_all_tests)+		main_seq_write (); -	fb_readwrite();+	if(do_fb_readwrite || do_all_tests)+		fb_readwrite(); -	library_test();+	if(do_library_test || do_all_tests)+		library_test();  	return 0; }