[ltt-dev] Problem using UST 0.13

[Mathieu Desnoyers]

* Irina Guilman (irina.guilman at ericsson.com) wrote:
>  My guess is trace_mark() has been replaced by ust_marker() and made
>  deprecated. Look in the examples (tests dir) on how the sample apps
>  (hello/basic/fork and etc.) are instrumented. 

FYI, trace_mark() are still present in UST 0.13 (I am deprecating them
slowly, I might enable compiler "deprecated" warnings in 0.14). So
trace_mark() still works, but you are right in that the instrumented
code should be moved to ust_marker().

Thanks,

Mathieu

> 
> -----Original Message-----
> From: Bernd Hufmann [mailto:bernd.hufmann at ericsson.com] 
> Sent: June 8, 2011 12:02 PM
> To: ltt-dev at lists.casi.polymtl.ca
> Subject: [ltt-dev] Problem using UST 0.13
> 
> Hello
> 
> I've just installed UST 0.13 on my laptop (Ubuntu) and I trying to use it. I took the example (see [1]) from the UST user manual. When I compile and link (see [2])  then I get some error print-outs (see [3]).
> I don't know what is missing. Could someone please help me so that I can use UST 0.13? By the way, with UST 0.12 it works fine.
> 
> Best Regards
> Bernd
> 
> 
> [1] Example program in file ustexample.c #include <ust/marker.h>
> 
> int main(int argc, char **argv)
> {
>    int v;
>    char *st;
> 
>    /* ... set values of v and st ... */
> 
>    /* a marker: */
>    trace_mark(ust, myevent, "firstarg %d secondarg %s", v, st);
> 
>    /* a marker without arguments: */
>    trace_mark(ust, myotherevent, MARK_NOARGS);
> 
>    return 0;
> }
> 
> [2] Compilation
> gcc  -o ustexample -lust ustexample.c
> 
> [3] Error
> //usr/local/lib/libust-initializer.o: In function `__ust_marker__destroy':
> /home/eedbhu/git/ust/libust-initializer.c:14: undefined reference to `ust_marker_unregister_lib'
> //usr/local/lib/libust-initializer.o: In function `__ust_marker__init':
> /home/eedbhu/git/ust/libust-initializer.c:14: undefined reference to `ust_marker_register_lib'
> /tmp/ccCco0tC.o:(__ust_markers+0x14): undefined reference to `ust_marker_probe_cb'
> /tmp/ccCco0tC.o:(__ust_markers+0x18): undefined reference to `__ust_marker_empty_function'
> /tmp/ccCco0tC.o:(__ust_markers+0x54): undefined reference to `ust_marker_probe_cb'
> /tmp/ccCco0tC.o:(__ust_markers+0x58): undefined reference to `__ust_marker_empty_function'
> collect2: ld returned 1 exit status
> 
> 
> 
> 
> 
> 
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-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com