[CRIU] [PATCH] uptime_grow: allow for 0 timer growth
Evgeny Antyshev
eantyshev at parallels.com
Tue Jun 26 08:59:05 EDT 2012
It may occur that the loop spins faster than clock ticks.
---
test/zdtm/live/static/uptime_grow.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/test/zdtm/live/static/uptime_grow.c b/test/zdtm/live/static/uptime_grow.c
index c5eff51..1f3dba3 100644
--- a/test/zdtm/live/static/uptime_grow.c
+++ b/test/zdtm/live/static/uptime_grow.c
@@ -6,9 +6,9 @@ const char *test_author = "Evgeny Antysev <eantyshev at parallels.com>";
#include <time.h>
#include <stdlib.h>
-# define tv_gt(a, b) \
+# define tv_ge(a, b) \
(((a)->tv_sec == (b)->tv_sec) ? \
- ((a)->tv_nsec > (b)->tv_nsec) : \
+ ((a)->tv_nsec >= (b)->tv_nsec) : \
((a)->tv_sec > (b)->tv_sec))
int main(int argc, char **argv)
@@ -29,7 +29,7 @@ int main(int argc, char **argv)
err("clock_gettime failed: %m\n");
exit(1);
}
- if (!tv_gt(&tm, &tm_old)) {
+ if (!tv_ge(&tm, &tm_old)) {
diff_nsec = (tm_old.tv_sec - tm.tv_sec) * 1.0E9 +\
(tm_old.tv_nsec - tm.tv_nsec);
fail("clock step backward for %e nsec\n", diff_nsec);
--
1.6.5.1.1367.gcd48
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