Just to isolate the problem further, can you give me the version of lttng-ust you have installed and which distribution you are using?
On Tue, Jun 4, 2013 at 11:37 AM, Aryeh Weinreb <[email protected]> wrote: >> I prepared a quick and dirty example based on the "demo" project. >> Replace the Makefile and demo.c files with these: >> https://gist.github.com/jgalar/5706595 >> >> This will compile a C++ application which links against the >> lttng-ust-provider-ust-tests-demo3.so provider. >> >> Resulting trace: >> [10:59:42.399354875] (+?.?????????) mercury:demo:16256 >> ust_tests_demo3:done: { cpu_id = 4 }, { value = 42 } >> >> Regards, >> Jérémie > > Thanks. > Unfortunately, this is not working for me. > > Making all in demo > make[3]: Entering directory `/home/nkw643/lttng-ust-2.1.2/tests/demo' > g++ -c -o demo.o demo.cpp > gcc -I. -fpic -c -o tp3.o tp3.c > gcc -shared -o lttng-ust-provider-ust-tests-demo3.so -llttng-ust tp3.o > g++ -o demo demo.o lttng-ust-provider-ust-tests-demo3.so -L. -ldl > -Wl,-rpath=. > /usr/bin/ld: demo: hidden symbol `tracepoint_dlopen' in demo.o is > referenced by DSO > /usr/bin/ld: final link failed: Nonrepresentable section on output > collect2: ld returned 1 exit status > > $ nm -s demo.o | grep tracepoint_dlopen > 0000000000000020 V tracepoint_dlopen > $ nm -s .libs/liblttng-ust-provider-ust-tests-demo3.so | grep > tracepoint_dlopen > U tracepoint_dlopen > > $ readelf -s demo.o | grep tracepoint_dlopen > 34: 0000000000000020 48 OBJECT WEAK HIDDEN 6 tracepoint_dlopen > $ readelf -s .libs/liblttng-ust-provider-ust-tests-demo3.so | grep > tracepoint_dlopen > 6: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND tracepoint_dlopen > 67: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND tracepoint_dlopen > > $readelf -d demo.o | grep tracepoint_dlopen > $ > $readelf -d .libs/liblttng-ust-provider-ust-tests-demo3.so | grep > tracepoint_dlopen > $ -- Jérémie Galarneau EfficiOS Inc. http://www.efficios.com _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
