Even though gup_benchmark.c has code to handle the -w command-line option, the "w" is not part of the getopt string. It looks as if it has been missing the whole time.
On my machine, this leads naturally to the following predictable result: $ sudo ./gup_benchmark -w ./gup_benchmark: invalid option -- 'w' ...which is fixed, with this commit. Acked-by: Kirill A. Shutemov <[email protected]> Cc: Keith Busch <[email protected]> Cc: Shuah Khan <[email protected]> Cc: [email protected] Signed-off-by: John Hubbard <[email protected]> --- tools/testing/selftests/vm/gup_benchmark.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/vm/gup_benchmark.c b/tools/testing/selftests/vm/gup_benchmark.c index c0534e298b51..cb3fc09645c4 100644 --- a/tools/testing/selftests/vm/gup_benchmark.c +++ b/tools/testing/selftests/vm/gup_benchmark.c @@ -37,7 +37,7 @@ int main(int argc, char **argv) char *file = "/dev/zero"; char *p; - while ((opt = getopt(argc, argv, "m:r:n:f:tTLUSH")) != -1) { + while ((opt = getopt(argc, argv, "m:r:n:f:tTLUwSH")) != -1) { switch (opt) { case 'm': size = atoi(optarg) * MB; -- 2.23.0
