* @return length - u32
*
*/
-u32 vl(void *p)
+u32
+vl (void *p)
{
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 number - uword
*
*/
-uword pe (void *v)
+uword
+pe (void *v)
{
- return (pool_elts(v));
+ return (pool_elts (v));
}
/**
* @return 0|1 - int
*
*/
-int pifi (void *p, u32 index)
+int
+pifi (void *p, u32 index)
{
return pool_is_free_index (p, index);
}
* @param n - u32 - number of bytes to format
*
*/
-void debug_hex_bytes (u8 *s, u32 n)
+void
+debug_hex_bytes (u8 * s, u32 n)
{
fformat (stderr, "%U\n", format_hex_bytes, s, n);
}
* @brief GDB callable function: vlib_dump_frame_ownership
*
*/
-void vlib_dump_frame_ownership (void)
+void
+vlib_dump_frame_ownership (void)
{
- vlib_main_t * vm = vlib_get_main();
- vlib_node_main_t * nm = &vm->node_main;
- vlib_node_runtime_t * this_node_runtime;
- vlib_next_frame_t * nf;
+ vlib_main_t *vm = vlib_get_main ();
+ vlib_node_main_t *nm = &vm->node_main;
+ vlib_node_runtime_t *this_node_runtime;
+ vlib_next_frame_t *nf;
u32 first_nf_index;
u32 index;
- vec_foreach(this_node_runtime, nm->nodes_by_type[VLIB_NODE_TYPE_INTERNAL])
- {
- first_nf_index = this_node_runtime->next_frame_index;
-
- for (index = first_nf_index; index < first_nf_index +
- this_node_runtime->n_next_nodes; index++)
- {
- vlib_node_runtime_t * owned_runtime;
- nf = vec_elt_at_index (vm->node_main.next_frames, index);
- if (nf->flags & VLIB_FRAME_OWNER)
- {
- owned_runtime = vec_elt_at_index (nm->nodes_by_type[0],
- nf->node_runtime_index);
- fformat(stderr,
- "%s next index %d owns enqueue rights to %s\n",
- 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);
- }
- }
- }
+ vec_foreach (this_node_runtime, nm->nodes_by_type[VLIB_NODE_TYPE_INTERNAL])
+ {
+ first_nf_index = this_node_runtime->next_frame_index;
+
+ for (index = first_nf_index; index < first_nf_index +
+ this_node_runtime->n_next_nodes; index++)
+ {
+ vlib_node_runtime_t *owned_runtime;
+ nf = vec_elt_at_index (vm->node_main.next_frames, index);
+ if (nf->flags & VLIB_FRAME_OWNER)
+ {
+ owned_runtime = vec_elt_at_index (nm->nodes_by_type[0],
+ nf->node_runtime_index);
+ fformat (stderr,
+ "%s next index %d owns enqueue rights to %s\n",
+ 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 %p\n",
+ nf - vm->node_main.next_frames, nf->frame);
+ }
+ }
+ }
}
/**
*
* @param index - u32
*/
-void vlib_runtime_index_to_node_name (u32 index)
+void
+vlib_runtime_index_to_node_name (u32 index)
{
- vlib_main_t * vm = vlib_get_main();
- vlib_node_main_t * nm = &vm->node_main;
+ vlib_main_t *vm = vlib_get_main ();
+ vlib_node_main_t *nm = &vm->node_main;
- if (index > vec_len (nm->nodes))
+ if (index >= vec_len (nm->nodes))
{
- fformat(stderr, "%d out of range, max %d\n", vec_len(nm->nodes));
+ fformat (stderr, "%d out of range, max %d\n", vec_len (nm->nodes));
return;
}
- fformat(stderr, "node runtime index %d name %s\n", index, nm->nodes[index]->name);
+ fformat (stderr, "node runtime index %d name %s\n", index,
+ nm->nodes[index]->name);
}
-void gdb_show_errors (int verbose)
+void
+gdb_show_errors (int verbose)
{
extern vlib_cli_command_t vlib_cli_show_errors;
unformat_input_t input;
- vlib_main_t * vm = vlib_get_main();
+ vlib_main_t *vm = vlib_get_main ();
if (verbose == 0)
unformat_init_string (&input, "verbose 0", 9);
else if (verbose == 1)
unformat_init_string (&input, "verbose 1", 9);
- else
+ else
{
- fformat(stderr, "verbose not 0 or 1\n");
+ fformat (stderr, "verbose not 0 or 1\n");
return;
}
- vlib_cli_show_errors.function (vm, &input, 0 /* cmd */);
+ vlib_cli_show_errors.function (vm, &input, 0 /* cmd */ );
unformat_free (&input);
-}
+}
-void gdb_show_session (int verbose)
+void
+gdb_show_session (int verbose)
{
extern vlib_cli_command_t vlib_cli_show_session_command;
unformat_input_t input;
- vlib_main_t * vm = vlib_get_main();
+ vlib_main_t *vm = vlib_get_main ();
if (verbose == 0)
unformat_init_string (&input, "verbose 0", 9);
unformat_init_string (&input, "verbose 1", 9);
else if (verbose == 2)
unformat_init_string (&input, "verbose 2", 9);
- else
+ else
{
- fformat(stderr, "verbose not 0 - 2\n");
+ fformat (stderr, "verbose not 0 - 2\n");
return;
}
- vlib_cli_show_session_command.function (vm, &input, 0 /* cmd */);
+ vlib_cli_show_session_command.function (vm, &input, 0 /* cmd */ );
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. */
+
+ /* *INDENT-OFF* */
+ 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_mains[0], traces[i]);
+ }
+
+ done:
+ vec_free (traces);
+
+ index++;
+ }));
+ /* *INDENT-ON* */
+
+ fformat (stderr, "%v", s);
+ vec_free (s);
+}
/**
* @brief GDB callable function: show_gdb_command_fn - show gdb
*/
static clib_error_t *
show_gdb_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
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, "pe(p) returns pool_elts(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");
return 0;
}
+/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_gdb_funcs_command, static) = {
.path = "show gdb",
.short_help = "Describe functions which can be called from gdb",
.function = show_gdb_command_fn,
};
+/* *INDENT-ON* */
-vnet_buffer_opaque_t *vb (void *vb_arg)
+vnet_buffer_opaque_t *
+vb (void *vb_arg)
{
- vlib_buffer_t *b = (vlib_buffer_t *)vb_arg;
- vnet_buffer_opaque_t *rv;
-
- rv = vnet_buffer (b);
+ vlib_buffer_t *b = (vlib_buffer_t *) vb_arg;
+ vnet_buffer_opaque_t *rv;
+
+ rv = vnet_buffer (b);
- return rv;
+ return rv;
}
-vnet_buffer_opaque2_t *vb2 (void *vb_arg)
+vnet_buffer_opaque2_t *
+vb2 (void *vb_arg)
{
- vlib_buffer_t *b = (vlib_buffer_t *)vb_arg;
- vnet_buffer_opaque2_t *rv;
-
- rv = vnet_buffer2(b);
+ vlib_buffer_t *b = (vlib_buffer_t *) vb_arg;
+ vnet_buffer_opaque2_t *rv;
+
+ rv = vnet_buffer2 (b);
- return rv;
+ 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;
+}
/* Cafeteria plan, maybe you don't want these functions */
-clib_error_t *
-gdb_func_init (vlib_main_t * vm) { return 0; }
+clib_error_t *
+gdb_func_init (vlib_main_t * vm)
+{
+ return 0;
+}
VLIB_INIT_FUNCTION (gdb_func_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */