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selftests/futex: Use TAP output in futex_numa_mpol

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Use TAP output for easier automated testing.

Suggested-by: André Almeida <andrealmeid@igalia.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: André Almeida <andrealmeid@igalia.com>
Link: https://lore.kernel.org/r/20250517151455.1065363-3-bigeasy@linutronix.de
This commit is contained in:
Sebastian Andrzej Siewior
2025-05-17 17:14:52 +02:00
committed by Peter Zijlstra
parent 2b73636029
commit 7d4f494767
1 changed files with 32 additions and 33 deletions
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65
tools/testing/selftests/futex/functional/futex_numa_mpol.c
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@@ -61,10 +61,8 @@ static void create_max_threads(void *futex_ptr)
thread_args[i].flags = FUTEX2_SIZE_U32 | FUTEX_PRIVATE_FLAG | FUTEX2_NUMA;
thread_args[i].result = 0;
ret = pthread_create(&threads[i], NULL, thread_lock_fn, &thread_args[i]);
if (ret) {
error("pthread_create failed\n", errno);
exit(1);
}
if (ret)
ksft_exit_fail_msg("pthread_create failed\n");
}
}
@@ -74,10 +72,8 @@ static void join_max_threads(void)
for (i = 0; i < MAX_THREADS; i++) {
ret = pthread_join(threads[i], NULL);
if (ret) {
error("pthread_join failed for thread %d\n", errno, i);
exit(1);
}
if (ret)
ksft_exit_fail_msg("pthread_join failed for thread %d\n", i);
}
}
@@ -95,12 +91,12 @@ static void __test_futex(void *futex_ptr, int must_fail, unsigned int futex_flag
if (must_fail) {
if (ret < 0)
break;
fail("Should fail, but didn't\n");
exit(1);
ksft_exit_fail_msg("futex2_wake(%d, 0x%x) should fail, but didn't\n",
to_wake, futex_flags);
}
if (ret < 0) {
error("Failed futex2_wake(%d)\n", errno, to_wake);
exit(1);
ksft_exit_fail_msg("Failed futex2_wake(%d, 0x%x): %m\n",
to_wake, futex_flags);
}
if (!ret)
usleep(50);
@@ -111,16 +107,17 @@ static void __test_futex(void *futex_ptr, int must_fail, unsigned int futex_flag
for (i = 0; i < MAX_THREADS; i++) {
if (must_fail && thread_args[i].result != -1) {
fail("Thread %d should fail but succeeded (%d)\n", i, thread_args[i].result);
ksft_print_msg("Thread %d should fail but succeeded (%d)\n",
i, thread_args[i].result);
need_exit = 1;
}
if (!must_fail && thread_args[i].result != 0) {
fail("Thread %d failed (%d)\n", i, thread_args[i].result);
ksft_print_msg("Thread %d failed (%d)\n", i, thread_args[i].result);
need_exit = 1;
}
}
if (need_exit)
exit(1);
ksft_exit_fail_msg("Aborting due to earlier errors.\n");
}
static void test_futex(void *futex_ptr, int must_fail)
@@ -167,41 +164,41 @@ int main(int argc, char *argv[])
}
}
ksft_print_header();
ksft_set_plan(1);
mem_size = sysconf(_SC_PAGE_SIZE);
futex_ptr = mmap(NULL, mem_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
if (futex_ptr == MAP_FAILED) {
error("mmap() for %d bytes failed\n", errno, mem_size);
return 1;
}
if (futex_ptr == MAP_FAILED)
ksft_exit_fail_msg("mmap() for %d bytes failed\n", mem_size);
futex_numa = futex_ptr;
info("Regular test\n");
ksft_print_msg("Regular test\n");
futex_numa->futex = 0;
futex_numa->numa = FUTEX_NO_NODE;
test_futex(futex_ptr, 0);
if (futex_numa->numa == FUTEX_NO_NODE) {
fail("NUMA node is left unitiliazed\n");
return 1;
}
if (futex_numa->numa == FUTEX_NO_NODE)
ksft_exit_fail_msg("NUMA node is left unitiliazed\n");
info("Memory too small\n");
ksft_print_msg("Memory too small\n");
test_futex(futex_ptr + mem_size - 4, 1);
info("Memory out of range\n");
ksft_print_msg("Memory out of range\n");
test_futex(futex_ptr + mem_size, 1);
futex_numa->numa = FUTEX_NO_NODE;
mprotect(futex_ptr, mem_size, PROT_READ);
info("Memory, RO\n");
ksft_print_msg("Memory, RO\n");
test_futex(futex_ptr, 1);
mprotect(futex_ptr, mem_size, PROT_NONE);
info("Memory, no access\n");
ksft_print_msg("Memory, no access\n");
test_futex(futex_ptr, 1);
mprotect(futex_ptr, mem_size, PROT_READ | PROT_WRITE);
info("Memory back to RW\n");
ksft_print_msg("Memory back to RW\n");
test_futex(futex_ptr, 0);
/* MPOL test. Does not work as expected */
@@ -213,20 +210,22 @@ int main(int argc, char *argv[])
ret = mbind(futex_ptr, mem_size, MPOL_BIND, &nodemask,
sizeof(nodemask) * 8, 0);
if (ret == 0) {
info("Node %d test\n", i);
ksft_print_msg("Node %d test\n", i);
futex_numa->futex = 0;
futex_numa->numa = FUTEX_NO_NODE;
ret = futex2_wake(futex_ptr, 0, FUTEX2_SIZE_U32 | FUTEX_PRIVATE_FLAG | FUTEX2_NUMA | FUTEX2_MPOL);
if (ret < 0)
error("Failed to wake 0 with MPOL.\n", errno);
ksft_test_result_fail("Failed to wake 0 with MPOL: %m\n");
if (0)
test_futex_mpol(futex_numa, 0);
if (futex_numa->numa != i) {
fail("Returned NUMA node is %d expected %d\n",
futex_numa->numa, i);
ksft_test_result_fail("Returned NUMA node is %d expected %d\n",
futex_numa->numa, i);
}
}
}
ksft_test_result_pass("NUMA MPOL tests passed\n");
ksft_finished();
return 0;
}