From mboxrd@z Thu Jan 1 00:00:00 1970 From: srivatsanvijayaraghavan@yahoo.com (Srivatsan Vijayaraghavan) Date: Tue, 15 Feb 2011 09:31:03 -0800 (PST) Subject: [ltt-dev] No trace data inside the trace folders In-Reply-To: Message-ID: <932003.70554.qm@web113108.mail.gq1.yahoo.com> Message-ID: <20110215173103.-xuWXlByzygVtrDkqA1DEKBVqAY3DND4Rdpzt_jaUck@z> case 1 - usttrace ./testust no -o option switch to specify trace directory and I get /root/.usttracers/.../ust-consumerd.log - No such file or directory case 2 - usttrace -o ./trace ./testust I specified the output directory for the trace and the two files app.log, ust-consumerd.log are now created in ./tracedir, but when I tried to inspect the folder for the actual trace, there was no tracing done or the folder where the trace data is kept was not there inside ./tracedir On the console- ?? ?????? > Waiting for ust-consumerd to shutdown... ?????? > Trace was output in:? ./tracedir ???? sh-2.05b# cd tracedir ??? -sh-2.05b# ls ?????? > app.log??????????? ust-consumerd.log Thanks, Srivatsan --- On Tue, 2/15/11, Mathieu Desnoyers wrote: From: Mathieu Desnoyers Subject: Re: [ltt-dev] No trace data inside the trace folders To: "Srivatsan Vijayaraghavan" Cc: ltt-dev at lists.casi.polymtl.ca Date: Tuesday, February 15, 2011, 2:00 PM what is the "the same /root/.usttracers/..../ust-consumerd.log - No such file or directory" exactly ? Which path is it unable to create ? Have you tried creating it by hand ? Thanks, Mathieu * Srivatsan Vijayaraghavan (srivatsanvijayaraghavan at yahoo.com) wrote: > -sh-2.05b# usttrace -o ./tracedir ./testUST > ./tracedir > Waiting for ust-consumerd to shutdown... > Trace was output in:? ./tracedir > -sh-2.05b# pwd > /usr/local/bin > -sh-2.05b# cd tracedir > -sh-2.05b# ls > app.log??????????? ust-consumerd.log > > If I dont give the trace directory, the it fails to create the ust-consumerd.log file. > > Thanks, > Srivatsan > --- On Tue, 2/15/11, Mathieu Desnoyers wrote: > > From: Mathieu Desnoyers > Subject: Re: [ltt-dev] Trouble tracing my application for PowerPC board > To: "Srivatsan Vijayaraghavan" > Cc: >? ltt-dev at lists.casi.polymtl.ca > Date: Tuesday, February 15, 2011, 4:34 AM > > * Srivatsan Vijayaraghavan (srivatsanvijayaraghavan at yahoo.com) wrote: > > I used ltib to cross compile and build liburcu and libust on my target board (for powerpc). Everything went smooth with few glitches which were sorted out, but when I tried to trace my application by invoking it from usttrace (usttrace ./testust), I wasn't able to get beyond this message > > ??? /root/.usttracers/...../ust-consumerd.log - No such file or directory > > > > I tried recording the trace manually when ust-consumerd failed in epoll_create(). > > So I built the kernel with CONFIG_EPOLL support, but that did not help. I still get the same /root/.usttracers/..../ust-consumerd.log - No such file or directory > > >? > > ---testust.cpp--- > > #include > > int main(..) > > { > > ?? trace_mark(main,myevent,"%d", getpid()); > > } > > which user ID are your running your application as ? > > What's the value of your $HOME ? > > It looks like ust is unable to create the directories/files needed to > write the log file. It looks like an access right problem > > Mathieu > > > > > Thanks, > > Srivatsan V > > > > > > > > > >? > > ____________________________________________________________________________________ > > Food fight? Enjoy some healthy debate > > in the Yahoo! Answers Food & Drink Q&A. > > http://answers.yahoo.com/dir/?link=list&sid=396545367 > > _______________________________________________ > > ltt-dev mailing list > > ltt-dev at lists.casi.polymtl.ca > > http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev > > > -- > Mathieu Desnoyers > Operating System Efficiency R&D Consultant > EfficiOS Inc. > http://www.efficios.com > > > >? > ____________________________________________________________________________________ > Expecting? Get great news right away with email Auto-Check. > Try the Yahoo! Mail Beta. > http://advision.webevents.yahoo.com/mailbeta/newmail_tools.html > _______________________________________________ > ltt-dev mailing list > ltt-dev at lists.casi.polymtl.ca > http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev -- Mathieu Desnoyers Operating System Efficiency R&D Consultant EfficiOS Inc. http://www.efficios.com ____________________________________________________________________________________ Get your own web address. Have a HUGE year through Yahoo! Small Business. http://smallbusiness.yahoo.com/domains/?p=BESTDEAL -------------- next part -------------- An HTML attachment was scrubbed... URL: