-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 <[email protected]> wrote: From: Mathieu Desnoyers <[email protected]> Subject: Re: [ltt-dev] Trouble tracing my application for PowerPC board To: "Srivatsan Vijayaraghavan" <[email protected]> Cc: [email protected] Date: Tuesday, February 15, 2011, 4:34 AM * Srivatsan Vijayaraghavan ([email protected]) 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 <ust.marker.h> > 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 > [email protected] > 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
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