This patch adds a new option, '-H', to the gup benchmark to help compare how hugetlb mapping pages compare with the default.
Signed-off-by: Keith Busch <[email protected]> --- tools/testing/selftests/vm/gup_benchmark.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/vm/gup_benchmark.c b/tools/testing/selftests/vm/gup_benchmark.c index 24528b54549d..c7b5934c6d7f 100644 --- a/tools/testing/selftests/vm/gup_benchmark.c +++ b/tools/testing/selftests/vm/gup_benchmark.c @@ -36,7 +36,7 @@ int main(int argc, char **argv) char *file = "/dev/zero"; char *p; - while ((opt = getopt(argc, argv, "m:r:n:f:tTLUS")) != -1) { + while ((opt = getopt(argc, argv, "m:r:n:f:tTLUSH")) != -1) { switch (opt) { case 'm': size = atoi(optarg) * MB; @@ -69,6 +69,9 @@ int main(int argc, char **argv) flags &= ~MAP_PRIVATE; flags |= MAP_SHARED; break; + case 'H': + flags |= MAP_HUGETLB; + break; default: return -1; } -- 2.14.4
