On 23/03/21 11:43, Vitaly Kuznetsov wrote:
hardware_disable_test produces 512 snippets like
...
main: [511] waiting semaphore
run_test: [511] start vcpus
run_test: [511] all threads launched
main: [511] waiting 368us
main: [511] killing child
and this doesn't have much value, let's print this info with pr_debug().
Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
---
tools/testing/selftests/kvm/hardware_disable_test.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/tools/testing/selftests/kvm/hardware_disable_test.c b/tools/testing/selftests/kvm/hardware_disable_test.c
index 2f2eeb8a1d86..5aadf84c91c0 100644
--- a/tools/testing/selftests/kvm/hardware_disable_test.c
+++ b/tools/testing/selftests/kvm/hardware_disable_test.c
@@ -108,7 +108,7 @@ static void run_test(uint32_t run)
kvm_vm_elf_load(vm, program_invocation_name, 0, 0);
vm_create_irqchip(vm);
- fprintf(stderr, "%s: [%d] start vcpus\n", __func__, run);
+ pr_debug("%s: [%d] start vcpus\n", __func__, run);
for (i = 0; i < VCPU_NUM; ++i) {
vm_vcpu_add_default(vm, i, guest_code);
payloads[i].vm = vm;
@@ -124,7 +124,7 @@ static void run_test(uint32_t run)
check_set_affinity(throw_away, &cpu_set);
}
}
- fprintf(stderr, "%s: [%d] all threads launched\n", __func__, run);
+ pr_debug("%s: [%d] all threads launched\n", __func__, run);
sem_post(sem);
for (i = 0; i < VCPU_NUM; ++i)
check_join(threads[i], &b);
@@ -147,16 +147,16 @@ int main(int argc, char **argv)
if (pid == 0)
run_test(i); /* This function always exits */
- fprintf(stderr, "%s: [%d] waiting semaphore\n", __func__, i);
+ pr_debug("%s: [%d] waiting semaphore\n", __func__, i);
sem_wait(sem);
r = (rand() % DELAY_US_MAX) + 1;
- fprintf(stderr, "%s: [%d] waiting %dus\n", __func__, i, r);
+ pr_debug("%s: [%d] waiting %dus\n", __func__, i, r);
usleep(r);
r = waitpid(pid, &s, WNOHANG);
TEST_ASSERT(r != pid,
"%s: [%d] child exited unexpectedly status: [%d]",
__func__, i, s);
- fprintf(stderr, "%s: [%d] killing child\n", __func__, i);
+ pr_debug("%s: [%d] killing child\n", __func__, i);
kill(pid, SIGKILL);
}
Queued, thanks.
Paolo
