Hello
I work on lustre-1.8.1.1 and wanted to run Oprofile on ldlm to understand the latencies at each function. I am new to Oprofile and couldnt find any appropriate  tutorial.I also tried a few things like

opreport  --symbols  --image-path=lustre-1.8.1.1/lustre/ldlm/  |  more
which gives me some info but not with respect to the functions in the directory .
Also  i am unable to  give

sudo opreport  -l  image:lustre-1.8.1.1/lustre/ldlm/ldlm_lockd.o   which is supposed to display  the profiling for this binary  but i get the error message 

error: no sample files found: profile specification too strict ?

Please help me on this ... Thanks


Ravi