diff options
author | Stanislav Fomichev <sdf@google.com> | 2019-03-01 19:42:18 -0800 |
---|---|---|
committer | Alexei Starovoitov <ast@kernel.org> | 2019-03-02 11:10:40 -0800 |
commit | 271a6337cbaedfa9b93006326d0ecc28fd3dc71c (patch) | |
tree | 46e8d3a8ad185ee7c03fd6a8ef2d7eff0336445d | |
parent | 20cb14ff9c49fcb189daf82246fb6fcd3923542c (diff) | |
download | linux-stable-271a6337cbaedfa9b93006326d0ecc28fd3dc71c.tar.gz linux-stable-271a6337cbaedfa9b93006326d0ecc28fd3dc71c.tar.bz2 linux-stable-271a6337cbaedfa9b93006326d0ecc28fd3dc71c.zip |
selftests: bpf: break up test_progs - spinlock
Move spinlock prog tests into separate files.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/map_lock.c | 75 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/spinlock.c | 29 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/test_progs.c | 104 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/test_progs.h | 1 |
4 files changed, 106 insertions, 103 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/map_lock.c b/tools/testing/selftests/bpf/prog_tests/map_lock.c new file mode 100644 index 000000000000..90f8a206340a --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/map_lock.c @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <test_progs.h> + +static void *parallel_map_access(void *arg) +{ + int err, map_fd = *(u32 *) arg; + int vars[17], i, j, rnd, key = 0; + + for (i = 0; i < 10000; i++) { + err = bpf_map_lookup_elem_flags(map_fd, &key, vars, BPF_F_LOCK); + if (err) { + printf("lookup failed\n"); + error_cnt++; + goto out; + } + if (vars[0] != 0) { + printf("lookup #%d var[0]=%d\n", i, vars[0]); + error_cnt++; + goto out; + } + rnd = vars[1]; + for (j = 2; j < 17; j++) { + if (vars[j] == rnd) + continue; + printf("lookup #%d var[1]=%d var[%d]=%d\n", + i, rnd, j, vars[j]); + error_cnt++; + goto out; + } + } +out: + pthread_exit(arg); +} + +void test_map_lock(void) +{ + const char *file = "./test_map_lock.o"; + int prog_fd, map_fd[2], vars[17] = {}; + pthread_t thread_id[6]; + struct bpf_object *obj; + int err = 0, key = 0, i; + void *ret; + + err = bpf_prog_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd); + if (err) { + printf("test_map_lock:bpf_prog_load errno %d\n", errno); + goto close_prog; + } + map_fd[0] = bpf_find_map(__func__, obj, "hash_map"); + if (map_fd[0] < 0) + goto close_prog; + map_fd[1] = bpf_find_map(__func__, obj, "array_map"); + if (map_fd[1] < 0) + goto close_prog; + + bpf_map_update_elem(map_fd[0], &key, vars, BPF_F_LOCK); + + for (i = 0; i < 4; i++) + assert(pthread_create(&thread_id[i], NULL, + &spin_lock_thread, &prog_fd) == 0); + for (i = 4; i < 6; i++) + assert(pthread_create(&thread_id[i], NULL, + ¶llel_map_access, &map_fd[i - 4]) == 0); + for (i = 0; i < 4; i++) + assert(pthread_join(thread_id[i], &ret) == 0 && + ret == (void *)&prog_fd); + for (i = 4; i < 6; i++) + assert(pthread_join(thread_id[i], &ret) == 0 && + ret == (void *)&map_fd[i - 4]); + goto close_prog_noerr; +close_prog: + error_cnt++; +close_prog_noerr: + bpf_object__close(obj); +} diff --git a/tools/testing/selftests/bpf/prog_tests/spinlock.c b/tools/testing/selftests/bpf/prog_tests/spinlock.c new file mode 100644 index 000000000000..9a573a9675d7 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/spinlock.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <test_progs.h> + +void test_spinlock(void) +{ + const char *file = "./test_spin_lock.o"; + pthread_t thread_id[4]; + struct bpf_object *obj; + int prog_fd; + int err = 0, i; + void *ret; + + err = bpf_prog_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd); + if (err) { + printf("test_spin_lock:bpf_prog_load errno %d\n", errno); + goto close_prog; + } + for (i = 0; i < 4; i++) + assert(pthread_create(&thread_id[i], NULL, + &spin_lock_thread, &prog_fd) == 0); + for (i = 0; i < 4; i++) + assert(pthread_join(thread_id[i], &ret) == 0 && + ret == (void *)&prog_fd); + goto close_prog_noerr; +close_prog: + error_cnt++; +close_prog_noerr: + bpf_object__close(obj); +} diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c index 6e41dfab1e75..e97b5b0eaf27 100644 --- a/tools/testing/selftests/bpf/test_progs.c +++ b/tools/testing/selftests/bpf/test_progs.c @@ -829,7 +829,7 @@ static void test_flow_dissector(void) bpf_object__close(obj); } -static void *test_spin_lock(void *arg) +void *spin_lock_thread(void *arg) { __u32 duration, retval; int err, prog_fd = *(u32 *) arg; @@ -842,106 +842,6 @@ static void *test_spin_lock(void *arg) pthread_exit(arg); } -static void test_spinlock(void) -{ - const char *file = "./test_spin_lock.o"; - pthread_t thread_id[4]; - struct bpf_object *obj; - int prog_fd; - int err = 0, i; - void *ret; - - err = bpf_prog_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd); - if (err) { - printf("test_spin_lock:bpf_prog_load errno %d\n", errno); - goto close_prog; - } - for (i = 0; i < 4; i++) - assert(pthread_create(&thread_id[i], NULL, - &test_spin_lock, &prog_fd) == 0); - for (i = 0; i < 4; i++) - assert(pthread_join(thread_id[i], &ret) == 0 && - ret == (void *)&prog_fd); - goto close_prog_noerr; -close_prog: - error_cnt++; -close_prog_noerr: - bpf_object__close(obj); -} - -static void *parallel_map_access(void *arg) -{ - int err, map_fd = *(u32 *) arg; - int vars[17], i, j, rnd, key = 0; - - for (i = 0; i < 10000; i++) { - err = bpf_map_lookup_elem_flags(map_fd, &key, vars, BPF_F_LOCK); - if (err) { - printf("lookup failed\n"); - error_cnt++; - goto out; - } - if (vars[0] != 0) { - printf("lookup #%d var[0]=%d\n", i, vars[0]); - error_cnt++; - goto out; - } - rnd = vars[1]; - for (j = 2; j < 17; j++) { - if (vars[j] == rnd) - continue; - printf("lookup #%d var[1]=%d var[%d]=%d\n", - i, rnd, j, vars[j]); - error_cnt++; - goto out; - } - } -out: - pthread_exit(arg); -} - -static void test_map_lock(void) -{ - const char *file = "./test_map_lock.o"; - int prog_fd, map_fd[2], vars[17] = {}; - pthread_t thread_id[6]; - struct bpf_object *obj; - int err = 0, key = 0, i; - void *ret; - - err = bpf_prog_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd); - if (err) { - printf("test_map_lock:bpf_prog_load errno %d\n", errno); - goto close_prog; - } - map_fd[0] = bpf_find_map(__func__, obj, "hash_map"); - if (map_fd[0] < 0) - goto close_prog; - map_fd[1] = bpf_find_map(__func__, obj, "array_map"); - if (map_fd[1] < 0) - goto close_prog; - - bpf_map_update_elem(map_fd[0], &key, vars, BPF_F_LOCK); - - for (i = 0; i < 4; i++) - assert(pthread_create(&thread_id[i], NULL, - &test_spin_lock, &prog_fd) == 0); - for (i = 4; i < 6; i++) - assert(pthread_create(&thread_id[i], NULL, - ¶llel_map_access, &map_fd[i - 4]) == 0); - for (i = 0; i < 4; i++) - assert(pthread_join(thread_id[i], &ret) == 0 && - ret == (void *)&prog_fd); - for (i = 4; i < 6; i++) - assert(pthread_join(thread_id[i], &ret) == 0 && - ret == (void *)&map_fd[i - 4]); - goto close_prog_noerr; -close_prog: - error_cnt++; -close_prog_noerr: - bpf_object__close(obj); -} - static void sigalrm_handler(int s) {} static struct sigaction sigalrm_action = { .sa_handler = sigalrm_handler, @@ -1004,8 +904,6 @@ int main(void) test_queue_stack_map(QUEUE); test_queue_stack_map(STACK); test_flow_dissector(); - test_spinlock(); - test_map_lock(); test_signal_pending(BPF_PROG_TYPE_SOCKET_FILTER); test_signal_pending(BPF_PROG_TYPE_FLOW_DISSECTOR); diff --git a/tools/testing/selftests/bpf/test_progs.h b/tools/testing/selftests/bpf/test_progs.h index 148b5494ed08..66309327b4f8 100644 --- a/tools/testing/selftests/bpf/test_progs.h +++ b/tools/testing/selftests/bpf/test_progs.h @@ -85,3 +85,4 @@ int bpf_find_map(const char *test, struct bpf_object *obj, const char *name); int compare_map_keys(int map1_fd, int map2_fd); int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len); int extract_build_id(char *build_id, size_t size); +void *spin_lock_thread(void *arg); |