- **status**: fixed --> review
- **Comment**:
Sent out a patch to fix the problem with IMMND resending intro messages
constantly
https://sourceforge.net/p/opensaf/mailman/message/35308571/
~~~
Aug 28 09:36:38 SC-2 osafimmnd[439]: WA Resending introduce-me - problems with
MDS ? 0.101825
Aug 28 09:36:38 SC-2 osafimmnd[439]: WA Resending introduce-me - problems with
MDS ? 0.202881
Aug 28 09:36:39 SC-2 osafimmnd[439]: WA Resending introduce-me - problems with
MDS ? 0.303848
Aug 28 09:36:39 SC-2 osafimmnd[439]: WA Resending introduce-me - problems with
MDS ? 0.405328
Aug 28 09:36:39 SC-2 osafimmnd[439]: WA Resending introduce-me - problems with
MDS ? 0.506821
Aug 28 09:36:39 SC-2 osafimmnd[439]: WA Resending introduce-me - problems with
MDS ? 0.608214
Aug 28 09:36:39 SC-2 osafimmnd[439]: WA Resending introduce-me - problems with
MDS ? 0.709692
Aug 28 09:36:39 SC-2 osafimmnd[439]: WA Resending introduce-me - problems with
MDS ? 0.811176
Aug 28 09:36:39 SC-2 osafimmnd[439]: WA Resending introduce-me - problems with
MDS ? 0.912262
~~~
---
** [tickets:#1704] imm: Use nanosecond resolution for time measurements**
**Status:** review
**Milestone:** 5.1.FC
**Created:** Fri Mar 18, 2016 10:08 AM UTC by Anders Widell
**Last Updated:** Wed Aug 24, 2016 09:42 AM UTC
**Owner:** Hung Nguyen
There are currently time measurements for timeout handling in **ImmModel**, and
possibly other places in the IMM service, that use low resolution time
measurements. This is caused by using the **time_t** type for time stamps,
which only has a resolution of seconds. A consequence of this is that the
actual timeout can vary up to one second, depending on when (how long after the
last clock "tick") the timer is started.
Instead, nanosecond resolution should be used. The **osaf_clock_gettime()**
utility function declared in *osaftime.h* can be used to read the system clock
with nanosecond resolution. Another option in C++ is to use
**std::chrono::steady_clock**.
This ticket can be seen as a continuation of ticket [#1617], where we started
to use **osaf_clock_gettime()** but still didn't change the type of the
variables containing time-stamps from **time_t** to **struct timespec**.
---
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