84f5d36f48
Moving pr_* debug macros to have it with in same object as debug variables, becase we will change them to use verbose variable in next patch. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1405374411-29012-3-git-send-email-jolsa@kernel.org [ Add missing debug.h include in python scripting glue and in the libdw unwind lib ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
#include "tests.h"
|
|
#include "machine.h"
|
|
#include "thread.h"
|
|
#include "map.h"
|
|
#include "debug.h"
|
|
|
|
int test__thread_mg_share(void)
|
|
{
|
|
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_VAL("wrong refcnt", 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);
|
|
|
|
other_mg = other->mg;
|
|
TEST_ASSERT_VAL("wrong refcnt", other_mg->refcnt == 2);
|
|
|
|
TEST_ASSERT_VAL("map groups don't match", other_mg == other_leader->mg);
|
|
|
|
/* release thread group */
|
|
thread__delete(leader);
|
|
TEST_ASSERT_VAL("wrong refcnt", mg->refcnt == 3);
|
|
|
|
thread__delete(t1);
|
|
TEST_ASSERT_VAL("wrong refcnt", mg->refcnt == 2);
|
|
|
|
thread__delete(t2);
|
|
TEST_ASSERT_VAL("wrong refcnt", mg->refcnt == 1);
|
|
|
|
thread__delete(t3);
|
|
|
|
/* release other group */
|
|
thread__delete(other_leader);
|
|
TEST_ASSERT_VAL("wrong refcnt", other_mg->refcnt == 1);
|
|
|
|
thread__delete(other);
|
|
|
|
/*
|
|
* Cannot call machine__delete_threads(machine) now,
|
|
* because we've already released all the threads.
|
|
*/
|
|
|
|
machines__exit(&machines);
|
|
return 0;
|
|
}
|