diff options
Diffstat (limited to 'tools/perf/tests/thread-mg-share.c')
| -rw-r--r-- | tools/perf/tests/thread-mg-share.c | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/tools/perf/tests/thread-mg-share.c b/tools/perf/tests/thread-mg-share.c deleted file mode 100644 index b1d1bbafe7ae..000000000000 --- a/tools/perf/tests/thread-mg-share.c +++ /dev/null @@ -1,99 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include "tests.h" -#include "machine.h" -#include "thread.h" -#include "map.h" -#include "debug.h" - -int test__thread_mg_share(struct test *test __maybe_unused, int subtest __maybe_unused) -{ - struct machines machines; - struct machine *machine; - - /* thread group */ - struct thread *leader; - struct thread *t1, *t2, *t3; - struct map_groups *mg; - - /* other process */ - struct thread *other, *other_leader; - struct map_groups *other_mg; - - /* - * This test create 2 processes abstractions (struct thread) - * with several threads and checks they properly share and - * maintain map groups info (struct map_groups). - * - * thread group (pid: 0, tids: 0, 1, 2, 3) - * other group (pid: 4, tids: 4, 5) - */ - - machines__init(&machines); - machine = &machines.host; - - /* create process with 4 threads */ - leader = machine__findnew_thread(machine, 0, 0); - t1 = machine__findnew_thread(machine, 0, 1); - t2 = machine__findnew_thread(machine, 0, 2); - t3 = machine__findnew_thread(machine, 0, 3); - - /* and create 1 separated process, without thread leader */ - other = machine__findnew_thread(machine, 4, 5); - - TEST_ASSERT_VAL("failed to create threads", - leader && t1 && t2 && t3 && other); - - mg = leader->mg; - TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&mg->refcnt), 4); - - /* test the map groups pointer is shared */ - TEST_ASSERT_VAL("map groups don't match", mg == t1->mg); - TEST_ASSERT_VAL("map groups don't match", mg == t2->mg); - TEST_ASSERT_VAL("map groups don't match", mg == t3->mg); - - /* - * Verify the other leader was created by previous call. - * It should have shared map groups with no change in - * refcnt. - */ - other_leader = machine__find_thread(machine, 4, 4); - TEST_ASSERT_VAL("failed to find other leader", other_leader); - - /* - * Ok, now that all the rbtree related operations were done, - * lets remove all of them from there so that we can do the - * refcounting tests. - */ - machine__remove_thread(machine, leader); - machine__remove_thread(machine, t1); - machine__remove_thread(machine, t2); - machine__remove_thread(machine, t3); - machine__remove_thread(machine, other); - machine__remove_thread(machine, other_leader); - - other_mg = other->mg; - TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&other_mg->refcnt), 2); - - TEST_ASSERT_VAL("map groups don't match", other_mg == other_leader->mg); - - /* release thread group */ - thread__put(leader); - TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&mg->refcnt), 3); - - thread__put(t1); - TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&mg->refcnt), 2); - - thread__put(t2); - TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&mg->refcnt), 1); - - thread__put(t3); - - /* release other group */ - thread__put(other_leader); - TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&other_mg->refcnt), 1); - - thread__put(other); - - machines__exit(&machines); - return 0; -} |
