perf tests: Rename thread-mg-share to thread-maps-share

One more step in merging 'struct maps' with 'struct map_groups'.

Cc: Adrian Hunter <[e-mail]>
Cc: Andi Kleen <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Link: https://lkml.kernel.org/n/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/tests/Build

···
 perf-y += task-exit.o
 perf-y += sw-clock.o
 perf-y += mmap-thread-lookup.o
-perf-y += thread-mg-share.o
+perf-y += thread-maps-share.o
 perf-y += switch-tracking.o
 perf-y += keep-tracking.o
 perf-y += code-reading.o

tools/perf/tests/builtin-test.c

···
 		.func = test__mmap_thread_lookup,
 	},
 	{
-		.desc = "Share thread mg",
-		.func = test__thread_mg_share,
+		.desc = "Share thread maps",
+		.func = test__thread_maps_share,
 	},
 	{
 		.desc = "Sort output of hist entries",

tools/perf/tests/tests.h

···
 int test__expr(struct test *test, int subtest);
 int test__hists_filter(struct test *test, int subtest);
 int test__mmap_thread_lookup(struct test *test, int subtest);
-int test__thread_mg_share(struct test *test, int subtest);
+int test__thread_maps_share(struct test *test, int subtest);
 int test__hists_output(struct test *test, int subtest);
 int test__hists_cumulate(struct test *test, int subtest);
 int test__switch_tracking(struct test *test, int subtest);

tools/perf/tests/thread-mg-share.c tools/perf/tests/thread-maps-share.c

···
 #include "thread.h"
 #include "debug.h"
 
-int test__thread_mg_share(struct test *test __maybe_unused, int subtest __maybe_unused)
+int test__thread_maps_share(struct test *test __maybe_unused, int subtest __maybe_unused)
 {
 	struct machines machines;
 	struct machine *machine;
···
 
 	/* other process */
 	struct thread *other, *other_leader;
-	struct maps *other_mg;
+	struct maps *other_maps;
 
 	/*
 	 * This test create 2 processes abstractions (struct thread)
···
 	maps = leader->maps;
 	TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&maps->refcnt), 4);
 
-	/* test the map groups pointer is shared */
-	TEST_ASSERT_VAL("map groups don't match", maps == t1->maps);
-	TEST_ASSERT_VAL("map groups don't match", maps == t2->maps);
-	TEST_ASSERT_VAL("map groups don't match", maps == t3->maps);
+	/* test the maps pointer is shared */
+	TEST_ASSERT_VAL("maps don't match", maps == t1->maps);
+	TEST_ASSERT_VAL("maps don't match", maps == t2->maps);
+	TEST_ASSERT_VAL("maps don't match", maps == t3->maps);
 
 	/*
 	 * Verify the other leader was created by previous call.
-	 * It should have shared map groups with no change in
+	 * It should have shared maps with no change in
 	 * refcnt.
 	 */
 	other_leader = machine__find_thread(machine, 4, 4);
···
 	machine__remove_thread(machine, other);
 	machine__remove_thread(machine, other_leader);
 
-	other_mg = other->maps;
-	TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&other_mg->refcnt), 2);
+	other_maps = other->maps;
+	TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&other_maps->refcnt), 2);
 
-	TEST_ASSERT_VAL("map groups don't match", other_mg == other_leader->maps);
+	TEST_ASSERT_VAL("maps don't match", other_maps == other_leader->maps);
 
 	/* release thread group */
 	thread__put(leader);
···
 
 	/* release other group  */
 	thread__put(other_leader);
-	TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&other_mg->refcnt), 1);
+	TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&other_maps->refcnt), 1);
 
 	thread__put(other);