There's one PER_VCPU_DEBUG in per-vcpu uffd threads but it's never hit.
Trigger that when quit in normal ways (kick pollfd[1]), meanwhile fix the
number of nanosec calculation.
Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
---
tools/testing/selftests/kvm/lib/userfaultfd_util.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/kvm/lib/userfaultfd_util.c b/tools/testing/selftests/kvm/lib/userfaultfd_util.c
index 92cef20902f1..271f63891581 100644
--- a/tools/testing/selftests/kvm/lib/userfaultfd_util.c
+++ b/tools/testing/selftests/kvm/lib/userfaultfd_util.c
@@ -70,7 +70,7 @@ static void *uffd_handler_thread_fn(void *arg)
r = read(pollfd[1].fd, &tmp_chr, 1);
TEST_ASSERT(r == 1,
"Error reading pipefd in UFFD thread\n");
- return NULL;
+ break;
}
if (!(pollfd[0].revents & POLLIN))
@@ -103,7 +103,7 @@ static void *uffd_handler_thread_fn(void *arg)
ts_diff = timespec_elapsed(start);
PER_VCPU_DEBUG("userfaulted %ld pages over %ld.%.9lds. (%f/sec)\n",
pages, ts_diff.tv_sec, ts_diff.tv_nsec,
- pages / ((double)ts_diff.tv_sec + (double)ts_diff.tv_nsec / 100000000.0));
+ pages / ((double)ts_diff.tv_sec + (double)ts_diff.tv_nsec / NSEC_PER_SEC));
return NULL;
}
--
2.39.1
