Hi Jérémie, Machine where I got the error is already rebooted many times.
When you want me to launch the session daemon after getting error, after running my script ? Thanks. Shirish On Tue, May 5, 2015 at 4:13 PM, Jérémie Galarneau < jeremie.galarn...@efficios.com> wrote: > Hi Shirish, > > 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? > > Use: > $ lttng-sessiond -vvv > > Also, can you check if a core dump is being generated? > > Regards, > Jérémie > > On Thu, Apr 30, 2015 at 12:23 PM, shirish gajera <gajerashir...@gmail.com> > wrote: > >> Hi, >> >> I want to enable multiple(50) channel for the same session, below is my >> script doing the same. >> 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. >> >> Here is what I found >> 1) I have 50 channel in my db files and it's failing at 13th channel >> create command, below is the log >> ...12 channel creation successful >> Spawning a session daemon >> Warning: Could not get lock file >> /var/run/lttng/lttng-sessiond.lck, another instance is running. >> Error: Session daemon died (exit status 1) >> Spawning a session daemon >> Warning: Could not get lock file >> /var/run/lttng/lttng-sessiond.lck, another instance is running. >> Error: Session daemon died (exit status 1) >> 1 >> failed! >> >> Let me know if question is not clear. >> >> my lttng script >> -------------------------------------------- >> lttng create -o /root/data/tracing --snapshot TEST >> while IFS=, read EVENTNAME CHANNELNAME BUFFERSIZE >> do >> lttng enable-channel --userspace --tracefile-size ${BUFFERSIZE}K >> --tracefile-count 1 --overwrite ${CHANNELNAME} >> lttng enable-event -u ${EVENTNAME} --loglevel ERR -c ${CHANNELNAME} >> lttng enable-event -u ${EVENTNAME} --loglevel CRIT -c ${CHANNELNAME} >> done < demo_lttngdb >> lttng start >> >> >> my demo_lttngdb file >> ------------------------------------------- >> channel1,channel1,65535 >> channel2*,channel2,4096 >> channel3*,channel3,4096 >> channel4*,channel4,4096 >> channel5*,channel5,4096 >> channel6*,channel6,4096 >> channel7*,channel7,4096 >> channel8*,channel8,4096 >> channel9*,channel9,8192 >> channel10*,channel10,4096 >> channel11*,channel11,4096 >> channel12*,channel12,4096 >> channel13*,channel13,4096 >> channel14*,channel14,4096 >> channel15*,channel15,4096 >> ............. >> ............. >> ............. >> channel48*,channel48,4096 >> >> _______________________________________________ >> lttng-dev mailing list >> lttng-dev@lists.lttng.org >> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev >> >> > > > -- > Jérémie Galarneau > EfficiOS Inc. > http://www.efficios.com >
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