log: Fetch log times with CLOCK_MONOTONIC, not CLOCK_REALTIME

We report relative timestamps in logs, so we want to avoid jumps in
the system time.

Suggested-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

1 files changed, 1 insertions, 1 deletions

diff --git a/passt.c b/passt.c
index 72ad704..6401730 100644
--- a/passt.c
+++ b/passt.c
@@ -207,7 +207,7 @@ int main(int argc, char **argv)
 	struct timespec now;
 	struct sigaction sa;
 
-	clock_gettime(CLOCK_REALTIME, &log_start);
+	clock_gettime(CLOCK_MONOTONIC, &log_start);
 
 	arch_avx2_exec(argv);