[CRIU] [PATCH] zdtm: It's need to sleep between clock_gettime() in uptime_grow

[Pavel Emelyanov]

On 07/31/2012 01:43 PM, Victor konyashkin wrote:
> ping

Applied

> On Mon, 2012-07-16 at 12:56 +0400, Andrey Vagin wrote:
>> Acked-by: Andrey Vagin <avagin at openvz.org>
>>
>> On Jun 28, 2012 4:04 PM, "vkonyashkin" <vkonyashkin at parallels.com>
>> wrote:
>>         Kernel can't suspend container by design if calls
>>         clock_gettime()
>>         in a loop, so we need to sleep between clock_gettime().
>>         
>>         Signed-off-by: Victor Konyashkin  <vkonyashkin at parallels.com>
>>         ---
>>          test/zdtm/live/static/uptime_grow.c |   11 ++++++++++-
>>          1 files changed, 10 insertions(+), 1 deletions(-)
>>         
>>         diff --git a/test/zdtm/live/static/uptime_grow.c
>>         b/test/zdtm/live/static/uptime_grow.c
>>         index 1f3dba3..670c062 100644
>>         --- a/test/zdtm/live/static/uptime_grow.c
>>         +++ b/test/zdtm/live/static/uptime_grow.c
>>         @@ -13,8 +13,11 @@ const char *test_author = "Evgeny Antysev
>>         <eantyshev at parallels.com>";
>>         
>>          int main(int argc, char **argv)
>>          {
>>         -       struct timespec tm_old, tm;
>>         +       struct timespec tm_old, tm, ts;
>>                 double diff_nsec;
>>         +       ts.tv_sec = 0;
>>         +       ts.tv_nsec = 1000000;
>>         +
>>                 test_init(argc, argv);
>>         
>>                 if (clock_gettime(CLOCK_MONOTONIC, &tm_old)) {
>>         @@ -36,6 +39,12 @@ int main(int argc, char **argv)
>>                                 exit(1);
>>                         }
>>                         tm_old = tm;
>>         +               /*
>>         +               Kernel can't suspend container by design if
>>         calls
>>         +               clock_gettime() in a loop, so we need to sleep
>>         +               between clock_gettime().
>>         +               */
>>         +               nanosleep(&ts, NULL);
>>                 }
>>                 pass();
>>                 return 0;
>>         --
>>         1.5.2.2
>>         
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>