* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
#include <vlib/vlib.h>
#include <vlib/threads.h>
};
/* *INDENT-ON* */
+static clib_error_t *
+show_node_graphviz (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ clib_error_t *error = 0;
+ vlib_node_main_t *nm = &vm->node_main;
+ u8 *chroot_filename = 0;
+ int fd;
+ vlib_node_t **nodes = 0;
+ uword i, j;
+
+ if (!unformat_user (input, unformat_vlib_tmpfile, &chroot_filename))
+ {
+ fd = -1;
+ }
+ else
+ {
+ fd =
+ open ((char *) chroot_filename, O_CREAT | O_TRUNC | O_WRONLY, 0664);
+ }
+
+#define format__(vm__, fd__, ...) \
+ if ((fd) < 0) \
+ { \
+ vlib_cli_output((vm__), ## __VA_ARGS__); \
+ } \
+ else \
+ { \
+ fdformat((fd__), ## __VA_ARGS__); \
+ }
+
+ format__ (vm, fd, "%s", "digraph {\n");
+
+ nodes = vec_dup (nm->nodes);
+ vec_sort_with_function (nodes, node_cmp);
+
+ for (i = 0; i < vec_len (nodes); i++)
+ {
+ 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);
+ }
+ }
+
+ format__ (vm, fd, "%s", "}");
+
+ if (fd >= 0)
+ {
+ vlib_cli_output (vm,
+ "vlib graph dumped into `%s'. Run eg. `fdp -Tsvg -O %s'.",
+ chroot_filename, chroot_filename);
+ }
+
+ vec_free (nodes);
+ vec_free (chroot_filename);
+ vec_free (nodes);
+ if (fd >= 0)
+ close (fd);
+ return error;
+}
+
+/* *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,
+};
+/* *INDENT-ON* */
+
static u8 *
format_vlib_node_state (u8 * s, va_list * va)
{
f64 maxc, maxcn;
u32 maxn;
u32 indent;
- u64 pmc_ticks;
- f64 pmc_ticks_per_packet;
if (!n)
{
"%=30s%=12s%=16s%=16s%=16s%=16s%=16s",
"Name", "State", "Calls", "Vectors", "Suspends",
"Clocks", "Vectors/Call");
- if (vm->perf_counter_id)
- s = format (s, "%=16s", "Perf Ticks");
-
return s;
}
else
maxcn = 0.0;
- pmc_ticks = n->stats_total.perf_counter_ticks -
- n->stats_last_clear.perf_counter_ticks;
- if (p > 0)
- pmc_ticks_per_packet = (f64) pmc_ticks / (f64) p;
- else
- pmc_ticks_per_packet = 0.0;
-
/* Clocks per packet, per call or per suspend. */
x = 0;
if (p > 0)
s = format (s, "%-30v%=12U%16Ld%16Ld%16Ld%16.2e%16.2f", ns,
format_vlib_node_state, vm, n, c, p, d, x, v);
- if (pmc_ticks_per_packet > 0.0)
- s = format (s, "%16.2e", pmc_ticks_per_packet);
-
if (ns != n->name)
vec_free (ns);
else
error = clib_error_return (0, "unknown input '%U'",
format_unformat_error, line_input);
+
+ if (error)
+ break;
}
unformat_free (line_input);