From c82fec289ce195a055f76d345d50f3dd541b0a81 Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Fri, 9 Dec 2022 13:19:17 -0800 Subject: [PATCH] isotest: Fix not calculating time to wait The difference of time start and current time may have advanced just enough to add a second leaving start nanoseconds to be bigger. --- tools/isotest.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/isotest.c b/tools/isotest.c index 3b992bc..0cd000d 100644 --- a/tools/isotest.c +++ b/tools/isotest.c @@ -588,6 +588,10 @@ static void send_wait(struct timespec *t_start, uint32_t us) } t_diff.tv_sec = t_now.tv_sec - t_start->tv_sec; + if (t_start->tv_nsec > t_now.tv_nsec) { + t_diff.tv_sec--; + t_now.tv_nsec += 1000000000L; + } t_diff.tv_nsec = t_now.tv_nsec - t_start->tv_nsec; delta_us = us - TS_USEC(&t_diff); -- 2.7.4