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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoPlainText>Hi Jason,<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Please find below my response inline,<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>I have some questions for you as we have used suspend/continue quite a lot in the IMS code and don't have any leaks.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Firstly, why are you using pkg_mem for your hash_id and label? Remember that you will be in 2 different processes in the suspend and continue portions of the code... so pkg_mem will not work - you should use shm_mem instead.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><span style='background:yellow;mso-highlight:yellow'>[Shankar] We use pkg_mem because we are invoking t_continue from the same process ( using thread ).</span><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Secondly, how are you using top to tell that you have a leak? Kamailio's memory is internally managed.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><span style='background:yellow;mso-highlight:yellow'>[Shankar] After running for say 20minutes, we get out of shared memory error. Also in top output we observed incremental increase in the shared usage of shared memory for the process.</span><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Cheers<o:p></o:p></p><p class=MsoPlainText>Jason<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>On Mon, Jan 13, 2014 at 1:29 PM, Shankar <<a href="mailto:shankar.rk@plintron.com">shankar.rk@plintron.com</a>> wrote:<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>> Re-sending without the attachment.<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> *From:* Shankar [<a href="mailto:shankar.rk@plintron.com">mailto:shankar.rk@plintron.com</a>]<o:p></o:p></p><p class=MsoPlainText>> *Sent:* Monday, January 13, 2014 4:57 PM<o:p></o:p></p><p class=MsoPlainText>> *To:* 'sr-users@lists.sip-router.org'<o:p></o:p></p><p class=MsoPlainText>> *Subject:* Regd. t_suspend() and t_continue()<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> Hi,<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> We are trying out the t_suspend() and t_continue() in our test setup. <o:p></o:p></p><p class=MsoPlainText>> We are facing memory leak ( both shm and pkg as per top command results).<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> Please find below the scenario,<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> 1) Do a t_newtran()<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> 2) Allocate pkg memory for hashid and label.<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> 3) Call t_suspend()<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> 4) Do t_continue() when async result is available<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> 5) De-allocate pkg memory reserved for hashid and label<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> 6) Do a t_relay() which forwards the sip message to another sip node.<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> In the step (6) above, we see t_newtran() allocates one more time <o:p></o:p></p><p class=MsoPlainText>> shared memory for the same transaction.<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> We tried t_release() after step (4) to release the transaction as<o:p></o:p></p><p class=MsoPlainText>> t_relay() anyways allocates new shared memory. Nothing helped.<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> Please let me know what are the logs you would require to debug the same.<o:p></o:p></p><p class=MsoPlainText>> I am attaching syslog for this run.<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> Regards,<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> Shankar<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>