global i
global traces_ref

probe
process("/usr/local/sbin/gluster*").library("/usr/local/lib/libglusterfs.so.0").function("dict_ref"){

       ptr = $this
    t=sprint_ubacktrace()
    traces_ref[ptr, i] = t
    i++
    printf("[%x, %d] = %s\n\n",ptr,i,t)
}

probe timer.s(20){
    printf("printing sorted data\n")
    foreach ([p-,q] in traces_ref){
    printf("[%x, %d] = %s\n",ptr,i,t)
}
}