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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hello Alberto,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">normally the timer should be stable and not jumping around.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">Did you check eventual issues from virtual machine or time sync services? The time should not jump around.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">Is the machine/service under high load? If yes, you could consider using dedicated timer processes for some modules.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">Do you have many timers running in parallel? You could try playing around with the read_time and timer priority parameters in core.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">Cheers,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">Henning<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">-- <o:p>
</o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">Henning Westerholt –
</span><span style="mso-fareast-language:EN-US"><a href="https://skalatan.de/blog/"><span lang="EN-GB" style="color:#0563C1">https://skalatan.de/blog/</span></a></span><span lang="EN-GB" style="mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US">Kamailio services –
</span><span style="mso-fareast-language:EN-US"><a href="https://gilawa.com/"><span lang="EN-GB" style="color:#0563C1">https://gilawa.com</span></a></span><span lang="EN-GB" style="mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><b>From:</b> sr-dev <sr-dev-bounces@lists.kamailio.org>
<b>On Behalf Of </b>Alberto Izquierdo<br>
<b>Sent:</b> Tuesday, February 8, 2022 9:04 AM<br>
<b>To:</b> sr-dev@lists.kamailio.org<br>
<b>Subject:</b> [sr-dev] Timers firing too soon<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt">Hi all,<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt">I'm using Kamailio timers to execute a series of calls with a certain delay. I have found out that from time to time, the timers are triggered too soon, sometimes they are triggered 2/3 seconds before they should.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt">There is nothing significant in the logs, some of the log lines previous to the premature call are:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><span style="font-family:"Courier New"">10(16136) DEBUG: tm [timer.c:606]: wait_handler(): WAIT timer hit @1111936903 for 0x7f32cc4eede8 (timer_lm 0x7f32cc4eee70)<br>
10(16136) DEBUG: tm [timer.c:643]: wait_handler(): finished transaction: 0x7f32cc4eede8 (p:0x7f32cc34ee90/n:0x7f32cc34ee90)<br>
10(16136) DEBUG: tm [h_table.c:132]: free_cell_helper(): freeing transaction 0x7f32cc4eede8 from timer.c:652</span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt">And some other ones after the call are<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><span style="font-family:"Courier New"">10(16136) DEBUG: tm [timer.c:494]: retr_buf_handler(): timer retr_buf_handler @1111937043 (0x7f32cc4efa18 -> 0x7f32cc4ef9f8 -> 0x7f32cc4ef6d8)<br>
10(16136) DEBUG: tm [timer.c:545]: retr_buf_handler(): new interval 2000 ms / 16 ticks (max 4000 ms)<br>
10(16136) DEBUG: tm [timer.c:329]: retransmission_handler(): request resending (t=0x7f32cc4ef6d8, SUBSCRIBE ... )<br>
10(16136) DEBUG: tm [timer.c:573]: retr_buf_handler(): timer retr_buf_handler @1111937043 (0x7f32cc4efa18 ->0x7f32cc4ef9f8->0x7f32cc4ef6d8) exiting min (16, 24)</span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt">I have read in the documentation that it is normal to have a bit of delay in some of the timers, but it doesn't mention anything about this behavior. Is this normal?<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:35.4pt">Thank you.<o:p></o:p></p>
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