handle SIGUSR1 nostop noprint pass set print pretty on define pvec print *$arg0@vl($arg0) end document pvec pvec - display all elements of vector. Takes vector as argument *** WARNING - SEGV likely if you put in the wrong thing end define dnr set $nodereg = $arg0 set $nodereg_total=0 while ($nodereg != 0) if $argc == 1 echo \n output $nodereg[0]->name echo \t output $nodereg[0]->type end set $nodereg = $nodereg->next_registration set $nodereg_total = $nodereg_total + 1 end echo \n echo Total: output $nodereg_total echo \n end document dnr Dump Node Registration linked list Usage: dnr [total] - dumps all nodes in registration list with name and type. Gives total# node registrations. ie dnr vm->node_main->node_registrations Will print each nodes name and type from the node_registrations linked list with a total at the bottom dnr vm->node_main->node_registrations total Only prints total *** WARNING: this is linked list traversal. Can take a couple of seconds to complete. end define wnm echo \n nodes: output vl($arg0-> nodes) set $total_type=0 set $total_types=0 echo \n\n nodes_by_type set $total_type = vl($arg0-> nodes_by_type[0]) echo \n INTERNAL: output $total_type set $total_types = $total_types + $total_type set $total_type = vl($arg0-> nodes_by_type[1]) echo \n INPUT: output $total_type set $total_types = $total_types + $total_type set $total_type = vl($arg0-> nodes_by_type[2]) echo \n PRE_INPUT: output $total_type set $total_types = $total_types + $total_type set $total_type = vl($arg0-> nodes_by_type[3]) echo \n PROCESS: output $total_type set $total_types = $total_types + $total_type echo \n Total nodes by type: output $total_types echo \n echo \n Total node_registrations: dnr $arg0->node_registrations total echo \n end document wnm Watch Node Main - outputs information about node counts for structures in vlib_node_main_t Can use address of (vlib_main_t)->node_main to convenience var. wnm set $my_nm = &vm->node_main wnm $my_nm (gdb) set $my_nm = &vm->node_main (gdb) output $my_nm (gdb) p $my_nm $1 = (vlib_node_main_t *) 0xb3bb98 (gdb) wnm $my_nm nodes:0 nodes_by_type INTERNAL:0 INPUT:0 PRE_INPUT:0 PROCESS:0 Total nodes by type:0 Total node_registrations: Total:168 *** WARNING: uses user-defined command "dnr" which is a linked list traversal and can take a few seconds to complete end