<div dir="ltr">I dug into ESL for a while.<div><br></div><div>I ran into some issues that I corrected but the only thing that I can see that would show up as a memory leak looking like what you show there is if you are doing a forking server and you are calling fork after you create or attach the handle.</div>
<div><br></div><div>Make sure you fork at the beginning or you will duplicate the handle and all the memory its using and it will never be destroyed.</div><div><br></div><div>If you do "make" in esl dir you will have a default app "testserver_fork" you can run and point to it with socket app to port 8040.</div>
<div>Running it on valgrind with full leak detection gives me.</div><div><br></div><div><br></div><div><div>==11807== Memcheck, a memory error detector</div><div>==11807== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.</div>
<div>==11807== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright info</div><div>==11807== Command: ./testserver</div><div>==11807== Parent PID: 28177</div><div>==11807== </div><div>==11820== </div><div>==11820== HEAP SUMMARY:</div>
<div>==11820== in use at exit: 0 bytes in 0 blocks</div><div>==11820== total heap usage: 5,555 allocs, 5,555 frees, 7,293,931 bytes allocated</div><div>==11820== </div><div>==11820== All heap blocks were freed -- no leaks are possible</div>
<div>==11820== </div><div>==11820== For counts of detected and suppressed errors, rerun with: -v</div><div>==11820== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 4 from 4)</div><div>==11807== </div><div>==11807== HEAP SUMMARY:</div>
<div>==11807== in use at exit: 0 bytes in 0 blocks</div><div>==11807== total heap usage: 0 allocs, 0 frees, 0 bytes allocated</div><div>==11807== </div><div>==11807== All heap blocks were freed -- no leaks are possible</div>
<div>==11807== </div><div>==11807== For counts of detected and suppressed errors, rerun with: -v</div><div>==11807== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 4 from 4)</div></div><div><br></div><div><br></div>
<div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Nov 13, 2013 at 7:21 AM, Dmitry Sytchev <span dir="ltr"><<a href="mailto:kbdfck@gmail.com" target="_blank">kbdfck@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Please create a JIRA ticket with your information!</div><div class="HOEnZb"><div class="h5"><div class="gmail_extra">
<br><br><div class="gmail_quote">2013/11/13 gggyniidt <span dir="ltr"><<a href="mailto:gggyniidt@gmail.com" target="_blank">gggyniidt@gmail.com</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div>Thanks for Dmitry and Anthony's help, But my problem is not like Dmitry said. </div><div>
<br>
</div><div>My program is a esl client. The leak is from esl client, not freeswitch.</div><div><br></div>
<div>I add the Anthony's patch code into esl.c,but it doesn't work. Each call will cause the 20-40KB of memory growth.</div><div><br></div><div>I make 3 calls, the valgrind outputs like this<br></div></div><div>
<span style="font-family:arial,sans-serif;font-size:14px"><br>
</span></div><div><span style="font-family:arial,sans-serif;font-size:14px"><div>==14459== 90,642 (264 direct, 90,378 indirect) bytes in 3 blocks are definitely lost in loss record 403 of 408 </div><div>==14459== at 0x4A06AAA: malloc (vg_replace_malloc.c:291) </div>
<div>==14459== by 0x414524: esl_event_create_subclass (esl_event.c:179) </div><div>==14459== by 0x412054: esl_recv_event (esl.c:1245) </div>
<div>==14459== by 0x411C38: esl_recv_event_timed (esl.c:1137) </div><div>==14459== by 0x412E22: esl_send_recv_timed (esl.c:1521) </div>
<div>==14459== by 0x410C06: esl_execute (esl.c:555) </div><div>==14459== by 0x4087A8: CRBT::Route() (CRBT.cpp:42) </div>
<div>==14459== by 0x409FE6: DPL::route() (DPL.cpp:286) </div><div>==14459== by 0x40FBE0: mycallback(int, int, sockaddr_in*) (listener.cpp:47) </div>
<div>==14459== by 0x410FED: client_thread (esl.c:654) </div><div>==14459== by 0x41A334: thread_launch (esl_threadmutex.c:74) </div>
<div>==14459== by 0x34CAA07850: start_thread (in /lib64/<a href="http://libpthread-2.12.so" target="_blank">libpthread-2.12.so</a>) </div><div>==14459== </div><div>
<br></div><div><div>
==14459== LEAK SUMMARY:</div><div>==14459== definitely lost: 264 bytes in 3 blocks</div><div>==14459== indirectly lost: 90,378 bytes in 228 blocks</div><div>==14459== possibly lost: 550,082 bytes in 51 blocks</div>
<div>==14459== still reachable: 832,938 bytes in 840 blocks</div><div>==14459== suppressed: 0 bytes in 0 blocks</div><div>==14459== Reachable blocks (those to which a pointer was found) are not shown.</div><div>
==14459== To see them, rerun with: --leak-check=full --show-leak-kinds=all</div></div><div><br></div></span></div><div>I checked my code and no leak found. The leak may be in esl.c.<span style="font-family:arial,sans-serif;font-size:14px"><br>
</span></div><div><span style="font-family:arial,sans-serif;font-size:14px"><br></span></div></div><div><div><div class="gmail_extra"><br><br><div class="gmail_quote">2013/11/13 Anthony Minessale <span dir="ltr"><<a href="mailto:anthony.minessale@gmail.com" target="_blank">anthony.minessale@gmail.com</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">You are showing valgrind traces of ESL client code but now you are saying your FS process has memory growth not the ESL app?<div>
You should be doing this on jira and you should have more details about the env.</div>
<div>This mailing list is not for bug reports.</div><div><br></div><div>I did push a patch for what I think might be the problem you showed on esl lib.</div><div><br></div><div>FS can use up to a gig of memory without giving it back. To make sure you have a real memory leak you need to have it never peak but continue to grow.</div>
<div><br></div><div><br></div></div><div class="gmail_extra"><div><div><br><br><div class="gmail_quote">On Tue, Nov 12, 2013 at 11:17 AM, Dmitry Sytchev <span dir="ltr"><<a href="mailto:kbdfck@gmail.com" target="_blank">kbdfck@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>I can confirm significant Freeswitch process memory growth over time when ESL is used intensively, from 100MB in normal case to 700-900MB after few hours of high esl load, though I have no valgrind check results, as I can't do tests at production server.</div>
<div>With less than 300 channels in peak we have 900MB FS process size, never shrinking back :(</div><div><br> </div></div><div class="gmail_extra"><br><br><div class="gmail_quote">2013/11/12 gggyniidt <span dir="ltr"><<a href="mailto:gggyniidt@gmail.com" target="_blank">gggyniidt@gmail.com</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr">Hello<div><div> Using ESL found a memory leak problem</div><div> valgrind --tool=memcheck --leak-check=full ./myprog<br>
</div><div> output as follows</div><div><br></div><div><div>==6872== 29,986 (88 direct, 29,898 indirect) bytes in 1 blocks are definitely lost in loss record 401 of 408 </div>
<div>==6872== at 0x4A06AAA: malloc (vg_replace_malloc.c:291)</div><div>==6872== by 0x413941: esl_event_create_subclass (esl_event.c:179) </div><div>==6872== by 0x410DC3: esl_recv_event (esl.c:1245) </div>
<div>==6872== by 0x411675: esl_send_recv_timed (esl.c:1517) </div><div>==6872== by 0x411C1B: esl_execute (esl.c:555) </div>
<div>==6872== by 0x408758: CRBT::Route() (CRBT.cpp:42) </div><div>==6872== by 0x40A02F: DPL::route() (DPL.cpp:234) </div>
<div>==6872== by 0x40FCA8: mycallback(int, int, sockaddr_in*) (listener.cpp:47) </div><div>==6872== by 0x41032F: client_thread (esl.c:654) </div>
<div>==6872== by 0x413FC7: thread_launch (esl_threadmutex.c:74) </div><div>==6872== by 0x34CAA07850: start_thread (in /lib64/<a href="http://libpthread-2.12.so" target="_blank">libpthread-2.12.so</a>) </div>
<div>==6872== by 0x34CA6E890C: clone (in /lib64/<a href="http://libc-2.12.so" target="_blank">libc-2.12.so</a>) </div></div><div><br></div><div><br></div><div><div>==6872== LEAK SUMMARY:</div><div>==6872== definitely lost: 88 bytes in 1 blocks</div>
<div>==6872== indirectly lost: 29,898 bytes in 76 blocks</div><div>==6872== possibly lost: 550,082 bytes in 51 blocks</div><div>==6872== still reachable: 832,937 bytes in 840 blocks</div><div>==6872== suppressed: 0 bytes in 0 blocks</div>
<div>==6872== Reachable blocks (those to which a pointer was found) are not shown.</div><div>==6872== To see them, rerun with: --leak-check=full --show-leak-kinds=all</div></div><div><br></div><div><br></div><div><br></div>
<div> Part of my code is as follows</div></div><div><br></div><div><div>bool CRBT::Route() {</div><div><span style="white-space:pre-wrap"> </span>string data = "ringback=file_string://";</div><div><span style="white-space:pre-wrap"> </span>data.append(FileName);<br>
</div><div><br></div><div><span style="white-space:pre-wrap"> </span>esl_execute(handle, "set", data.c_str(), NULL);</div><div><span style="white-space:pre-wrap"> </span>return true;</div><div>}</div></div>
<div><br></div><div>The OS version is Centos x86_64 6.3</div><div>The Freeswitch version is 1.2.13</div><div><br></div><div>Thanks for your help.</div></div>
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<br></blockquote></div><span><font color="#888888"><br><br clear="all"><br>-- <br>Best regards,<br><br>Dmitry Sytchev,<br>IT Engineer
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br></div></div>Anthony Minessale II<br><br>FreeSWITCH <a href="http://www.freeswitch.org/" target="_blank">http://www.freeswitch.org/</a><br>ClueCon <a href="http://www.cluecon.com/" target="_blank">http://www.cluecon.com/</a><br>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br>Best regards,<br><br>Dmitry Sytchev,<br>IT Engineer
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