diff options
Diffstat (limited to 'src/vnet/unix/gdb_funcs.c')
| -rw-r--r-- | src/vnet/unix/gdb_funcs.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/vnet/unix/gdb_funcs.c b/src/vnet/unix/gdb_funcs.c index 797cb0eb7d1..886d849c173 100644 --- a/src/vnet/unix/gdb_funcs.c +++ b/src/vnet/unix/gdb_funcs.c @@ -380,6 +380,47 @@ gdb_validate_buffer (vlib_buffer_t * b) return 0; } +/** + * Dump a trajectory trace, reasonably easy to call from gdb + */ +void +gdb_dump_trajectory_trace (u32 bi) +{ +#if VLIB_BUFFER_TRACE_TRAJECTORY > 0 + vlib_main_t *vm = vlib_get_main (); + vlib_node_main_t *vnm = &vm->node_main; + vlib_buffer_t *b; + u16 *trace; + u8 i; + + b = vlib_get_buffer (vm, bi); + + trace = b->trajectory_trace; + + fformat (stderr, "Context trace for bi %d b 0x%llx, visited %d\n", bi, b, + b->trajectory_nb); + + for (i = 0; i < b->trajectory_nb; i++) + { + u32 node_index; + + node_index = trace[i]; + + if (node_index >= vec_len (vnm->nodes)) + { + fformat (stderr, "Skip bogus node index %d\n", node_index); + continue; + } + + fformat (stderr, "%v (%d)\n", vnm->nodes[node_index]->name, node_index); + } +#else + fformat (stderr, "in vlib/buffers.h, " + "#define VLIB_BUFFER_TRACE_TRAJECTORY 1\n"); + +#endif +} + /* Cafeteria plan, maybe you don't want these functions */ clib_error_t * gdb_func_init (vlib_main_t * vm) |