#include <fcntl.h>
#include <vlib/vlib.h>
#include <vlib/threads.h>
+#include <math.h>
static int
node_cmp (void *a1, void *a2)
{
clib_error_t *error = 0;
vlib_node_main_t *nm = &vm->node_main;
+ vlib_node_t **nodes = nm->nodes;
u8 *chroot_filename = 0;
int fd;
- vlib_node_t **nodes = 0;
- uword i, j;
+ uword *active = 0;
+ u32 i, j;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 filter = 0, calls_filter = 0, vectors_filter = 0, both = 0;
- if (!unformat_user (input, unformat_vlib_tmpfile, &chroot_filename))
- {
- fd = -1;
- }
- else
+ fd = -1;
+ /* Get a line of input. */
+ if (unformat_user (input, unformat_line_input, line_input))
{
- fd =
- open ((char *) chroot_filename, O_CREAT | O_TRUNC | O_WRONLY, 0664);
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "filter"))
+ filter = 1;
+ else if (unformat (line_input, "calls") && filter)
+ calls_filter = 1;
+ else if (unformat (line_input, "vectors") && filter)
+ vectors_filter = 1;
+ else if (unformat (line_input, "file %U", unformat_vlib_tmpfile,
+ &chroot_filename))
+ {
+ fd = open ((char *) chroot_filename,
+ O_CREAT | O_TRUNC | O_WRONLY, 0664);
+ }
+ else
+ return clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ }
+ unformat_free (line_input);
}
+ /*both is set to true if calls_filter and vectors_filter are, or neither */
+ both = filter & (!(calls_filter ^ vectors_filter));
+
#define format__(vm__, fd__, ...) \
if ((fd) < 0) \
{ \
format__ (vm, fd, "%s", "digraph {\n");
- nodes = vec_dup (nm->nodes);
- vec_sort_with_function (nodes, node_cmp);
+ clib_bitmap_alloc (active, vec_len (nodes));
+ clib_bitmap_set_region (active, 0, 1, vec_len (nodes));
+ if (filter)
+ {
+ /*Adding the legend to the dot file*/
+ format__ (vm, fd, "%s",
+ " rankdir=\"LR\"\n nodesep=2\n subgraph cluster_legend {\n "
+ " label=\"Legend\"\n style=\"solid\"\n labelloc = b\n "
+ " subgraph cluster_colors {\n label=\"Packets/Call\"\n "
+ " style=\"solid\"\n labelloc = b\n");
+ format__ (vm, fd, "%s",
+ " 0 [label=\"No packet\", fixedsize=true shape=circle "
+ "width=2 fontsize=17]\n"
+ " 1 [label=\"1-32\", fillcolor=1 style=filled "
+ "colorscheme=ylorrd8 fixedsize=true shape=circle width=2 "
+ "fontsize=17]\n"
+ " 2 [label=\"33-64\", fillcolor=2 style=filled "
+ "colorscheme=ylorrd8 fixedsize=true shape=circle width=2 "
+ "fontsize=17]\n"
+ " 3 [label=\"65-96\", fillcolor=3 style=filled "
+ "colorscheme=ylorrd8 fixedsize=true shape=circle width=2 "
+ "fontsize=17]\n"
+ " 4 [label=\"97-128\", fillcolor=4 style=filled "
+ "colorscheme=ylorrd8 fixedsize=true shape=circle width=2 "
+ "fontsize=17]\n"
+ " 5 [label=\"129-160\", fillcolor=5 style=filled "
+ "colorscheme=ylorrd8 fixedsize=true shape=circle width=2 "
+ "fontsize=17]\n"
+ " 6 [label=\"161-192\", fillcolor=6 style=filled "
+ "colorscheme=ylorrd8 fixedsize=true shape=circle width=2 "
+ "fontsize=17]\n"
+ " 7 [label=\"193-224\", fillcolor=7 style=filled "
+ "colorscheme=ylorrd8 fixedsize=true shape=circle width=2 "
+ "fontsize=17]\n"
+ " 8 [label=\"224+\", fillcolor=8 style=filled "
+ "colorscheme=ylorrd8 fixedsize=true shape=circle width=2 "
+ "fontsize=17]\n");
+ format__ (vm, fd, "%s",
+ " 0 -> 1 -> 2 -> 3 -> 4 [style=\"invis\",weight =100]\n "
+ " 5 -> 6 -> 7 -> 8 [style=\"invis\",weight =100]\n }\n "
+ " subgraph cluster_size {\n label=\"Cycles/Packet\"\n "
+ " style=\"solid\"\n labelloc = b\n");
+ format__ (
+ vm, fd, "%s",
+ " a[label=\"0\",fixedsize=true shape=circle width=1] \n"
+ " b[label=\"10\",fixedsize=true shape=circle width=2 "
+ "fontsize=17]\n"
+ " c[label=\"100\",fixedsize=true shape=circle width=3 "
+ "fontsize=20]\n"
+ " d[label=\"1000\",fixedsize=true shape=circle width=4 "
+ "fontsize=23]\n"
+ " a -> b -> c -> d [style=\"invis\",weight =100]\n }\n }\n");
+
+ vlib_worker_thread_barrier_sync (vm);
+ for (j = 0; j < vec_len (nm->nodes); j++)
+ {
+ vlib_node_t *n;
+ n = nm->nodes[j];
+ vlib_node_sync_stats (vm, n);
+ }
+
+ /* Updating the stats for multithreaded use cases.
+ * We need to dup the nodes to sum the stats from all threads.*/
+ nodes = vec_dup (nm->nodes);
+ for (i = 1; i < vlib_get_n_threads (); i++)
+ {
+ vlib_node_main_t *nm_clone;
+ vlib_main_t *vm_clone;
+ vlib_node_runtime_t *rt;
+ vlib_node_t *n;
+
+ vm_clone = vlib_get_main_by_index (i);
+ nm_clone = &vm_clone->node_main;
+
+ for (j = 0; j < vec_len (nm_clone->nodes); j++)
+ {
+ n = nm_clone->nodes[j];
+
+ rt = vlib_node_get_runtime (vm_clone, n->index);
+ /* Sync the stats directly in the duplicated node.*/
+ vlib_node_runtime_sync_stats_node (nodes[j], rt, 0, 0, 0);
+ }
+ }
+ vlib_worker_thread_barrier_release (vm);
+
+ for (i = 0; i < vec_len (nodes); i++)
+ {
+ u64 p, c, l;
+ c = nodes[i]->stats_total.calls - nodes[i]->stats_last_clear.calls;
+ p =
+ nodes[i]->stats_total.vectors - nodes[i]->stats_last_clear.vectors;
+ l = nodes[i]->stats_total.clocks - nodes[i]->stats_last_clear.clocks;
+
+ if ((both && c > 0 && p > 0) || (calls_filter && c > 0) ||
+ (vectors_filter && p > 0))
+ {
+ format__ (vm, fd, " \"%v\" [shape=circle", nodes[i]->name);
+ /*Changing the size and the font of nodes that receive packets*/
+ if (p > 0)
+ {
+ f64 x = (f64) l / (f64) p;
+ f64 size_ratio = (1 + log10 (x + 1));
+ format__ (vm, fd, " width=%.2f fontsize=%.2f fixedsize=true",
+ size_ratio, 11 + 3 * size_ratio);
+ /*Coloring nodes that are indeed called*/
+ if (c > 0)
+ {
+ u64 color = ((p - 1) / (32 * c)) + 1;
+ color = clib_min (color, 8);
+ format__ (
+ vm, fd,
+ " fillcolor=%u style=filled colorscheme=ylorrd8",
+ color);
+ }
+ }
+ format__ (vm, fd, "]\n");
+ }
+ else
+ {
+ clib_bitmap_set (active, i, 0);
+ }
+ }
+ }
- for (i = 0; i < vec_len (nodes); i++)
+ clib_bitmap_foreach (i, active)
{
for (j = 0; j < vec_len (nodes[i]->next_nodes); j++)
{
- vlib_node_t *x;
-
if (nodes[i]->next_nodes[j] == VLIB_INVALID_NODE_INDEX)
continue;
- x = vec_elt (nm->nodes, nodes[i]->next_nodes[j]);
- format__ (vm, fd, " \"%v\" -> \"%v\"\n", nodes[i]->name, x->name);
+ if (!filter || clib_bitmap_get (active, nodes[i]->next_nodes[j]))
+ {
+ format__ (vm, fd, " \"%v\" -> \"%v\"\n", nodes[i]->name,
+ nodes[nodes[i]->next_nodes[j]]->name);
+ }
}
}
- format__ (vm, fd, "%s", "}");
+ format__ (vm, fd, "}\n");
if (fd >= 0)
{
- vlib_cli_output (vm,
- "vlib graph dumped into `%s'. Run eg. `fdp -Tsvg -O %s'.",
- chroot_filename, chroot_filename);
+ /*Dumping all the nodes saturates dot capacities to render a directed
+ * graph. In this case, prefer using he fdp command to generate an
+ * undirected graph. */
+ const char *soft = filter ? "dot" : "fdp";
+ vlib_cli_output (
+ vm, "vlib graph dumped into `%s'. Run eg. `%s -Tsvg -O %s'.",
+ chroot_filename, soft, chroot_filename);
}
- vec_free (nodes);
+ clib_bitmap_free (active);
vec_free (chroot_filename);
- vec_free (nodes);
+ if (filter)
+ vec_free (nodes);
if (fd >= 0)
close (fd);
return error;
}
+/*?
+ * Dump dot files data to draw a graph of all the nodes.
+ * If the argument 'filter' is provided, only the active nodes (since the last
+ * "clear run" comand) are selected and they are scaled and colored according
+ * to their utilization. You can choose to filter nodes that are called,
+ * nodes that receive vectors or both (default).
+ * The 'file' option allows to save data in a temp file.
+ *
+ * @cliexpar
+ * @clistart
+ * show vlib graphviz
+ * show vlib graphviz filter file tmpfile
+ * show vlib graphviz filter calls file tmpfile
+ * @cliend
+ * @cliexcmd{show vlib graphviz [filter][calls][vectors][file <filename>]}
+?*/
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_node_graphviz_command, static) = {
.path = "show vlib graphviz",
.short_help = "Dump packet processing node graph as a graphviz dotfile",
.function = show_node_graphviz,
+ .is_mp_safe = 1,
};
/* *INDENT-ON* */
|| unformat (input, "su"))
summary = 1;
- for (i = 0; i < vec_len (vlib_mains); i++)
+ for (i = 0; i < vlib_get_n_threads (); i++)
{
- stat_vm = vlib_mains[i];
+ stat_vm = vlib_get_main_by_index (i);
if (stat_vm)
vec_add1 (stat_vms, stat_vm);
}
}
}
- if (vec_len (vlib_mains) > 1)
+ if (vlib_get_n_threads () > 1)
{
vlib_worker_thread_t *w = vlib_worker_threads + j;
if (j > 0)
vlib_main_t **stat_vms = 0, *stat_vm;
vlib_node_runtime_t *r;
- for (i = 0; i < vec_len (vlib_mains); i++)
+ for (i = 0; i < vlib_get_n_threads (); i++)
{
- stat_vm = vlib_mains[i];
+ stat_vm = vlib_get_main_by_index (i);
if (stat_vm)
vec_add1 (stat_vms, stat_vm);
}
if (n->node_fn_registrations)
{
vlib_node_fn_registration_t *fnr = n->node_fn_registrations;
+ vlib_node_fn_variant_t *v;
while (fnr)
{
+ v = vec_elt_at_index (vm->node_main.variants, fnr->march_variant);
if (vec_len (s) == 0)
- s = format (s, "\n %-15s %=8s %6s",
- "Name", "Priority", "Active");
- s = format (s, "\n %-15s %8d %=6s", fnr->name, fnr->priority,
- fnr->function == n->function ? "yes" : "");
+ s = format (s, "\n %-15s %=8s %6s %s", "Name", "Priority",
+ "Active", "Description");
+ s = format (s, "\n %-15s %8d %=6s %s", v->suffix, v->priority,
+ fnr->function == n->function ? "yes" : "", v->desc);
fnr = fnr->next_registration;
}
}
{
int j = 0;
/* *INDENT-OFF* */
- clib_bitmap_foreach (i, n->prev_node_bitmap, ({
+ clib_bitmap_foreach (i, n->prev_node_bitmap) {
vlib_node_t *pn = vlib_get_node (vm, i);
if (j++ % 3 == 0)
s = format (s, "\n ");
s2 = format (s2, "%v (%u)", pn->name, i);
s = format (s, "%-35v", s2);
vec_reset_length (s2);
- }));
+ }
/* *INDENT-ON* */
if (vec_len (s) == 0)
s = format (s, "\n%8s %=12s %=12s %=12s %=12s %=12s\n", "Thread", "Calls",
"Clocks", "Vectors", "Max Clock", "Max Vectors");
- for (i = 0; i < vec_len (vlib_mains); i++)
+ for (i = 0; i < vlib_get_n_threads (); i++)
{
- n = vlib_get_node (vlib_mains[i], node_index);
- vlib_node_sync_stats (vlib_mains[i], n);
+ n = vlib_get_node (vlib_get_main_by_index (i), node_index);
+ vlib_node_sync_stats (vlib_get_main_by_index (i), n);
cl = n->stats_total.clocks - n->stats_last_clear.clocks;
ca = n->stats_total.calls - n->stats_last_clear.calls;
set_node_fn(vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
- u32 node_index;
+ u32 node_index, march_variant;
vlib_node_t *n;
clib_error_t *err = 0;
- vlib_node_fn_registration_t *fnr;
- u8 *variant = 0;
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
goto done;
}
- if (!unformat (line_input, "%U", unformat_vlib_node_variant, &variant))
+ if (!unformat (line_input, "%U", unformat_vlib_node_variant, &march_variant))
{
- err = clib_error_return (0, "please specify node functional variant");
+ err = clib_error_return (0, "please specify node function variant");
goto done;
}
if (n->node_fn_registrations == 0)
{
- err = clib_error_return (0, "node doesn't have functional variants");
+ err = clib_error_return (0, "node doesn't have function variants");
goto done;
}
- fnr = n->node_fn_registrations;
- vec_add1 (variant, 0);
-
- while (fnr)
+ if (vlib_node_set_march_variant (vm, node_index, march_variant))
{
- if (!strncmp (fnr->name, (char *) variant, vec_len (variant) - 1))
- {
- int i;
-
- n->function = fnr->function;
-
- for (i = 0; i < vec_len (vlib_mains); i++)
- {
- vlib_node_runtime_t *nrt;
- nrt = vlib_node_get_runtime (vlib_mains[i], n->index);
- nrt->function = fnr->function;
- }
- goto done;
- }
- fnr = fnr->next_registration;
+ vlib_node_fn_variant_t *v;
+ v = vec_elt_at_index (vm->node_main.variants, march_variant);
+ err = clib_error_return (0, "node function variant '%s' not found",
+ v->suffix);
+ goto done;
}
- err = clib_error_return (0, "node functional variant '%s' not found", variant);
done:
- vec_free (variant);
unformat_free (line_input);
return err;
}
Code Review / vpp.git / blobdiff