mm/gup_benchmark.c: add additional pinning methods

[muen/linux.git] / tools / testing / selftests / vm / gup_benchmark.c

diff --git a/tools/testing/selftests/vm/gup_benchmark.c b/tools/testing/selftests/vm/gup_benchmark.c
index bdcb97acd0ac63e5ae34451deee1fa4cfee604ee..c2f785ded9b9438ca016e9bd94022d43c1f5eab9 100644 (file)
--- a/tools/testing/selftests/vm/gup_benchmark.c
+++ b/tools/testing/selftests/vm/gup_benchmark.c
@@ -15,6 +15,8 @@
 #define PAGE_SIZE sysconf(_SC_PAGESIZE)
 
 #define GUP_FAST_BENCHMARK     _IOWR('g', 1, struct gup_benchmark)
+#define GUP_LONGTERM_BENCHMARK _IOWR('g', 2, struct gup_benchmark)
+#define GUP_BENCHMARK          _IOWR('g', 3, struct gup_benchmark)
 
 struct gup_benchmark {
        __u64 get_delta_usec;
@@ -30,9 +32,10 @@ int main(int argc, char **argv)
        struct gup_benchmark gup;
        unsigned long size = 128 * MB;
        int i, fd, opt, nr_pages = 1, thp = -1, repeats = 1, write = 0;
+       int cmd = GUP_FAST_BENCHMARK;
        char *p;
 
-       while ((opt = getopt(argc, argv, "m:r:n:tT")) != -1) {
+       while ((opt = getopt(argc, argv, "m:r:n:tTLU")) != -1) {
                switch (opt) {
                case 'm':
                        size = atoi(optarg) * MB;
@@ -49,6 +52,12 @@ int main(int argc, char **argv)
                case 'T':
                        thp = 0;
                        break;
+               case 'L':
+                       cmd = GUP_LONGTERM_BENCHMARK;
+                       break;
+               case 'U':
+                       cmd = GUP_BENCHMARK;
+                       break;
                case 'w':
                        write = 1;
                default:
@@ -79,7 +88,7 @@ int main(int argc, char **argv)
 
        for (i = 0; i < repeats; i++) {
                gup.size = size;
-               if (ioctl(fd, GUP_FAST_BENCHMARK, &gup))
+               if (ioctl(fd, cmd, &gup))
                        perror("ioctl"), exit(1);
 
                printf("Time: get:%lld put:%lld us", gup.get_delta_usec,