<div dir="ltr">Hi <span style="font-size:12.8000001907349px">Jérémie,</span><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">Machine where I got the error is already rebooted many times.</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">When you want me to launch the session daemon after getting error, after running my script ?</span><br></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">Thanks.</span></div><div><span style="font-size:12.8000001907349px">Shirish</span></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, May 5, 2015 at 4:13 PM, Jérémie Galarneau <span dir="ltr"><<a href="mailto:jeremie.galarneau@efficios.com" target="_blank">jeremie.galarneau@efficios.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">Hi Shirish,<div><br></div><div>Interesting issue. It seems that the session daemon crashed at some point during the execution script. Can you launch the session daemon manually in verbose mode and provide the output along with the version of LTTng being used?</div><div><br></div><div>Use:</div><div>$ lttng-sessiond -vvv</div><div><br></div><div>Also, can you check if a core dump is being generated?</div><div><br></div><div>Regards,</div><div>Jérémie</div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Thu, Apr 30, 2015 at 12:23 PM, shirish gajera <span dir="ltr"><<a href="mailto:gajerashirish@gmail.com" target="_blank">gajerashirish@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr">Hi,<div><br></div><div>I want to enable multiple(50) channel for the same session, below is my script doing the same. </div><div>Single channel with the same script is working fine. But, when I tried to enable multiple channel for the same session it's giving me error.</div><div><br></div><div>Here is what I found</div><div>1) I have 50 channel in my db files and it's failing at 13th channel create command, below is the log</div><div> ...12 channel creation successful</div><div><div> Spawning a session daemon</div><div> Warning: Could not get lock file /var/run/lttng/lttng-sessiond.lck, another instance is running.</div><div> Error: Session daemon died (exit status 1)</div><div> Spawning a session daemon</div><div> Warning: Could not get lock file /var/run/lttng/lttng-sessiond.lck, another instance is running.</div><div> Error: Session daemon died (exit status 1) </div><div> 1</div><div> failed!</div></div><div><br></div><div>Let me know if question is not clear.</div><div><br></div><div>my lttng script<br></div><div><div>-------------------------------------------- </div><div><div>lttng create -o /root/data/tracing --snapshot TEST</div><div>while IFS=, read EVENTNAME CHANNELNAME BUFFERSIZE </div><div>do</div><div><span style="white-space:pre-wrap"> </span>lttng enable-channel --userspace --tracefile-size ${BUFFERSIZE}K --tracefile-count 1 --overwrite ${CHANNELNAME}</div><div><span style="white-space:pre-wrap"> </span>lttng enable-event -u ${EVENTNAME} --loglevel ERR -c ${CHANNELNAME}</div><div><span style="white-space:pre-wrap"> </span>lttng enable-event -u ${EVENTNAME} --loglevel CRIT -c ${CHANNELNAME}</div><div>done < demo_lttngdb</div><div><span style="white-space:pre-wrap"> </span>lttng start</div></div><div><br></div><div><br></div><div>my demo_lttngdb file</div><div>-------------------------------------------</div><div><div>channel1,channel1,65535</div><div>channel2*,channel2,4096</div><div>channel3*,channel3,4096</div><div>channel4*,channel4,4096</div><div>channel5*,channel5,4096</div><div>channel6*,channel6,4096</div><div>channel7*,channel7,4096</div><div>channel8*,channel8,4096</div><div>channel9*,channel9,8192</div><div>channel10*,channel10,4096</div><div>channel11*,channel11,4096</div><div>channel12*,channel12,4096</div><div>channel13*,channel13,4096</div><div>channel14*,channel14,4096</div><div>channel15*,channel15,4096</div></div></div><div>.............</div><div>.............<br></div><div>.............<br></div><div>channel48*,channel48,4096<br></div></div>
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<br></blockquote></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><div><br></div>-- <br><div>Jérémie Galarneau<br>EfficiOS Inc.<br><a href="http://www.efficios.com" target="_blank">http://www.efficios.com</a></div>
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