return vec_len (p);
}
+/**
+ * @brief GDB callable function: pvh - Return vector header of vector
+ *
+ * @param *p - void - address of vector
+ *
+ * @return vh - vec_header_t, the vector header
+ *
+ */
+vec_header_t *
+pvh (void *p)
+{
+ return _vec_find (p);
+}
+
+
/**
* @brief GDB callable function: pe - call pool_elts - number of elements in a pool
*
return (pool_elts (v));
}
+/**
+ * @brief GDB callable function: ph - call pool_header - get pool header.
+ *
+ * @param *p - void - address of pool
+ *
+ * @return pool_header_t
+ *
+ */
+pool_header_t *
+ph (void *p)
+{
+ return pool_header (p);
+}
+
/**
* @brief GDB callable function: pifi - call pool_is_free_index - is passed index free?
*
nm->nodes[this_node_runtime->node_index]->name,
index - first_nf_index,
nm->nodes[owned_runtime->node_index]->name);
- fformat (stderr, " nf index %d nf->frame_index %d\n",
- nf - vm->node_main.next_frames, nf->frame_index);
+ fformat (stderr, " nf index %d nf->frame %p\n",
+ nf - vm->node_main.next_frames, nf->frame);
}
}
}
unformat_free (&input);
}
+static int
+trace_cmp (void *a1, void *a2)
+{
+ vlib_trace_header_t **t1 = a1;
+ vlib_trace_header_t **t2 = a2;
+ i64 dt = t1[0]->time - t2[0]->time;
+ return dt < 0 ? -1 : (dt > 0 ? +1 : 0);
+}
+
+void
+gdb_show_traces ()
+{
+ vlib_trace_main_t *tm;
+ vlib_trace_header_t **h, **traces;
+ u32 i, index = 0;
+ char *fmt;
+ u8 *s = 0;
+ u32 max;
+
+ /* By default display only this many traces. */
+ max = 50;
+
+ /* Get active traces from pool. */
+
+ foreach_vlib_main ()
+ {
+ fmt = "------------------- Start of thread %d %s -------------------\n";
+ s = format (s, fmt, index, vlib_worker_threads[index].name);
+
+ tm = &this_vlib_main->trace_main;
+
+ trace_apply_filter (this_vlib_main);
+
+ traces = 0;
+ pool_foreach (h, tm->trace_buffer_pool)
+ {
+ vec_add1 (traces, h[0]);
+ }
+
+ if (vec_len (traces) == 0)
+ {
+ s = format (s, "No packets in trace buffer\n");
+ goto done;
+ }
+
+ /* Sort them by increasing time. */
+ vec_sort_with_function (traces, trace_cmp);
+
+ for (i = 0; i < vec_len (traces); i++)
+ {
+ if (i == max)
+ {
+ fformat (stderr,
+ "Limiting display to %d packets."
+ " To display more specify max.",
+ max);
+ goto done;
+ }
+
+ s = format (s, "Packet %d\n%U\n\n", i + 1, format_vlib_trace,
+ vlib_get_first_main (), traces[i]);
+ }
+
+ done:
+ vec_free (traces);
+
+ index++;
+ }
+
+ fformat (stderr, "%v", s);
+ vec_free (s);
+}
+
/**
* @brief GDB callable function: show_gdb_command_fn - show gdb
*
vlib_cli_output (vm, "vl(p) returns vec_len(p)");
vlib_cli_output (vm, "vb(b) returns vnet_buffer(b) [opaque]");
vlib_cli_output (vm, "vb2(b) returns vnet_buffer2(b) [opaque2]");
+ vlib_cli_output (vm, "vbi(b) returns b index");
+ vlib_cli_output (vm,
+ "vgb(bi) returns vlib_get_buffer(vlib_get_main(), bi)");
vlib_cli_output (vm, "pe(p) returns pool_elts(p)");
+ vlib_cli_output (vm, "ph(p) returns pool_header(p)");
vlib_cli_output (vm, "pifi(p, i) returns pool_is_free_index(p, i)");
vlib_cli_output (vm, "gdb_show_errors(0|1) dumps error counters");
vlib_cli_output (vm, "gdb_show_session dumps session counters");
+ vlib_cli_output (vm, "gdb_show_traces() dumps buffer traces");
+ vlib_cli_output (vm, "gdb_validate_buffer(b) check vlib_buffer b sanity");
vlib_cli_output (vm, "debug_hex_bytes (ptr, n_bytes) dumps n_bytes in hex");
vlib_cli_output (vm, "vlib_dump_frame_ownership() does what it says");
vlib_cli_output (vm, "vlib_runtime_index_to_node_name (index) prints NN");
};
/* *INDENT-ON* */
+vlib_buffer_t *
+vgb (u32 bi)
+{
+ return vlib_get_buffer (vlib_get_main (), bi);
+}
+
vnet_buffer_opaque_t *
vb (void *vb_arg)
{
return rv;
}
+u32
+vbi (vlib_buffer_t * b)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vlib_buffer_main_t *bm = vm->buffer_main;
+ u32 bi = pointer_to_uword (b) - bm->buffer_mem_start;
+ bi >>= CLIB_LOG2_CACHE_LINE_BYTES;
+ return bi;
+}
+
+int
+gdb_validate_buffer (vlib_buffer_t * b)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ u32 bi = vbi (b);
+ u8 *s =
+ vlib_validate_buffers (vm, &bi, 0, 1, VLIB_BUFFER_KNOWN_ALLOCATED, 1);
+ if (s)
+ {
+ fformat (stderr, "gdb_validate_buffer(): %v", s);
+ return -1;
+ }
+ fformat (stderr, "gdb_validate_buffer(): no error found\n");
+ 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
+}
+
+void
+gdb_dump_buffer (vlib_buffer_t *b)
+{
+ fformat (stderr, "%U\n", format_vnet_buffer, b);
+}
/* Cafeteria plan, maybe you don't want these functions */
clib_error_t *
Code Review / vpp.git / blobdiff