--- /dev/null
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ * node_cli.c: node CLI
+ *
+ * Copyright (c) 2008 Eliot Dresselhaus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <vlib/vlib.h>
+#include <vlib/threads.h>
+
+static clib_error_t *
+show_node_graph (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vlib_node_main_t * nm = &vm->node_main;
+ vlib_node_t * n;
+ u32 node_index;
+
+ vlib_cli_output (vm, "%U\n", format_vlib_node_graph, nm, 0);
+
+ if (unformat (input, "%U", unformat_vlib_node, vm, &node_index))
+ {
+ n = vlib_get_node (vm, node_index);
+ vlib_cli_output (vm, "%U\n", format_vlib_node_graph, nm, n);
+ }
+ else
+ {
+ vlib_node_t ** nodes = vec_dup (nm->nodes);
+ uword i;
+
+ vec_sort (nodes, n1, n2,
+ vec_cmp (n1[0]->name, n2[0]->name));
+
+ for (i = 0; i < vec_len (nodes); i++)
+ vlib_cli_output (vm, "%U\n\n", format_vlib_node_graph, nm, nodes[i]);
+
+ vec_free (nodes);
+ }
+
+ return 0;
+}
+
+VLIB_CLI_COMMAND (show_node_graph_command, static) = {
+ .path = "show vlib graph",
+ .short_help = "Show packet processing node graph",
+ .function = show_node_graph,
+};
+
+static u8 * format_vlib_node_stats (u8 * s, va_list * va)
+{
+ vlib_main_t * vm = va_arg (*va, vlib_main_t *);
+ vlib_node_t * n = va_arg (*va, vlib_node_t *);
+ int max = va_arg (*va, int);
+ f64 v;
+ char * state;
+ u8 * ns;
+ u8 * misc_info = 0;
+ u64 c, p, l, d;
+ f64 x;
+ f64 maxc, maxcn;
+ u32 maxn;
+ uword indent;
+
+ if (! n)
+ {
+ if (max)
+ return format (s,
+ "%=30s%=17s%=16s%=16s%=16s%=16s",
+ "Name", "Max Node Clocks", "Vectors at Max", "Max Clocks", "Avg Clocks", "Avg Vectors/Call");
+ else
+ return format (s,
+ "%=30s%=12s%=16s%=16s%=16s%=16s%=16s",
+ "Name", "State", "Calls", "Vectors", "Suspends", "Clocks", "Vectors/Call");
+ }
+
+ indent = format_get_indent (s);
+
+ l = n->stats_total.clocks - n->stats_last_clear.clocks;
+ c = n->stats_total.calls - n->stats_last_clear.calls;
+ p = n->stats_total.vectors - n->stats_last_clear.vectors;
+ d = n->stats_total.suspends - n->stats_last_clear.suspends;
+ maxc = (f64)n->stats_total.max_clock;
+ maxn = n->stats_total.max_clock_n;
+ if (n->stats_total.max_clock_n)
+ maxcn = (f64)n->stats_total.max_clock / (f64)maxn;
+ else
+ maxcn = 0.0;
+
+ /* Clocks per packet, per call or per suspend. */
+ x = 0;
+ if (p > 0)
+ x = (f64) l / (f64) p;
+ else if (c > 0)
+ x = (f64) l / (f64) c;
+ else if (d > 0)
+ x = (f64) l / (f64) d;
+
+ if (c > 0)
+ v = (double)p / (double)c;
+ else
+ v = 0;
+
+ state = "active";
+ if (n->type == VLIB_NODE_TYPE_PROCESS)
+ {
+ vlib_process_t * p = vlib_get_process_from_node (vm, n);
+
+ /* Show processes with events pending. This helps spot bugs where events are not
+ being handled. */
+ if (! clib_bitmap_is_zero (p->non_empty_event_type_bitmap))
+ misc_info = format (misc_info, "events pending, ");
+
+ switch (p->flags & (VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK
+ | VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT))
+ {
+ default:
+ if (! (p->flags & VLIB_PROCESS_IS_RUNNING))
+ state = "done";
+ break;
+
+ case VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK:
+ state = "time wait";
+ break;
+
+ case VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT:
+ state = "event wait";
+ break;
+
+ case (VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_EVENT
+ | VLIB_PROCESS_IS_SUSPENDED_WAITING_FOR_CLOCK):
+ state = "any wait";
+ break;
+ }
+ }
+ else if (n->type != VLIB_NODE_TYPE_INTERNAL)
+ {
+ state = "polling";
+ if (n->state == VLIB_NODE_STATE_DISABLED)
+ state = "disabled";
+ else if (n->state == VLIB_NODE_STATE_INTERRUPT)
+ state = "interrupt wait";
+ }
+
+ ns = n->name;
+
+ if (max)
+ s = format (s, "%-30v%=17.2e%=16d%=16.2e%=16.2e%=16.2e",
+ ns, maxc, maxn, maxcn, x, v);
+ else
+ s = format (s, "%-30v%=12s%16Ld%16Ld%16Ld%16.2e%16.2f", ns, state,
+ c, p, d, x, v);
+
+ if (ns != n->name)
+ vec_free (ns);
+
+ if (misc_info)
+ {
+ s = format (s, "\n%U%v", format_white_space, indent + 4, misc_info);
+ vec_free (misc_info);
+ }
+
+ return s;
+}
+
+static clib_error_t *
+show_node_runtime (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vlib_node_main_t * nm = &vm->node_main;
+ vlib_node_t * n;
+ f64 time_now;
+ u32 node_index;
+ vlib_node_t *** node_dups = 0;
+ f64 * vectors_per_main_loop = 0;
+ f64 * last_vector_length_per_node = 0;
+
+ time_now = vlib_time_now (vm);
+
+ if (unformat (input, "%U", unformat_vlib_node, vm, &node_index))
+ {
+ n = vlib_get_node (vm, node_index);
+ vlib_node_sync_stats (vm, n);
+ vlib_cli_output (vm, "%U\n", format_vlib_node_stats, vm, 0, 0);
+ vlib_cli_output (vm, "%U\n", format_vlib_node_stats, vm, n, 0);
+ }
+ else
+ {
+ vlib_node_t ** nodes;
+ uword i, j;
+ f64 dt;
+ u64 n_input, n_output, n_drop, n_punt;
+ u64 n_internal_vectors, n_internal_calls;
+ u64 n_clocks, l, v, c, d;
+ int brief = 1;
+ int max = 0;
+ vlib_main_t ** stat_vms = 0, *stat_vm;
+
+ /* Suppress nodes with zero calls since last clear */
+ if (unformat (input, "brief") || unformat (input, "b"))
+ brief = 1;
+ if (unformat (input, "verbose") || unformat(input, "v"))
+ brief = 0;
+ if (unformat (input, "max") || unformat(input, "m"))
+ max = 1;
+
+ if (vec_len(vlib_mains) == 0)
+ vec_add1 (stat_vms, vm);
+ else
+ {
+ for (i = 0; i < vec_len (vlib_mains); i++)
+ {
+ stat_vm = vlib_mains[i];
+ if (stat_vm)
+ vec_add1 (stat_vms, stat_vm);
+ }
+ }
+
+ /*
+ * Barrier sync across stats scraping.
+ * Otherwise, the counts will be grossly inaccurate.
+ */
+ vlib_worker_thread_barrier_sync(vm);
+
+ for (j = 0; j < vec_len (stat_vms); j++)
+ {
+ stat_vm = stat_vms[j];
+ nm = &stat_vm->node_main;
+
+ for (i = 0; i < vec_len (nm->nodes); i++)
+ {
+ n = nm->nodes[i];
+ vlib_node_sync_stats (stat_vm, n);
+ }
+
+ nodes = vec_dup (nm->nodes);
+
+ vec_add1(node_dups, nodes);
+ vec_add1 (vectors_per_main_loop,
+ vlib_last_vectors_per_main_loop_as_f64 (stat_vm));
+ vec_add1 (last_vector_length_per_node,
+ vlib_last_vector_length_per_node (stat_vm));
+ }
+ vlib_worker_thread_barrier_release(vm);
+
+
+ for (j = 0; j < vec_len (stat_vms); j++)
+ {
+ stat_vm = stat_vms[j];
+ nodes = node_dups[j];
+
+ vec_sort (nodes, n1, n2,
+ vec_cmp (n1[0]->name, n2[0]->name));
+
+ n_input = n_output = n_drop = n_punt = n_clocks = 0;
+ n_internal_vectors = n_internal_calls = 0;
+ for (i = 0; i < vec_len (nodes); i++)
+ {
+ n = nodes[i];
+
+ l = n->stats_total.clocks - n->stats_last_clear.clocks;
+ n_clocks += l;
+
+ v = n->stats_total.vectors - n->stats_last_clear.vectors;
+ c = n->stats_total.calls - n->stats_last_clear.calls;
+
+ switch (n->type)
+ {
+ default:
+ continue;
+
+ case VLIB_NODE_TYPE_INTERNAL:
+ n_output += (n->flags & VLIB_NODE_FLAG_IS_OUTPUT) ? v : 0;
+ n_drop += (n->flags & VLIB_NODE_FLAG_IS_DROP) ? v : 0;
+ n_punt += (n->flags & VLIB_NODE_FLAG_IS_PUNT) ? v : 0;
+ if (! (n->flags & VLIB_NODE_FLAG_IS_OUTPUT))
+ {
+ n_internal_vectors += v;
+ n_internal_calls += c;
+ }
+ if (n->flags & VLIB_NODE_FLAG_IS_HANDOFF)
+ n_input += v;
+ break;
+
+ case VLIB_NODE_TYPE_INPUT:
+ n_input += v;
+ break;
+ }
+ }
+
+ if (vec_len (vlib_mains))
+ {
+ vlib_worker_thread_t *w = vlib_worker_threads + j;
+ if (j > 0)
+ vlib_cli_output (vm, "---------------");
+
+ if ( w->dpdk_lcore_id > -1)
+ vlib_cli_output (vm, "Thread %d %v (lcore %u)", j, w->name,
+ w->dpdk_lcore_id);
+ else
+ vlib_cli_output (vm, "Thread %d %v", j,
+ w->name);
+ }
+
+ dt = time_now - nm->time_last_runtime_stats_clear;
+ vlib_cli_output
+ (vm,
+ "Time %.1f, average vectors/node %.2f, last %d main loops %.2f per node %.2f"
+ "\n vector rates in %.4e, out %.4e, drop %.4e, punt %.4e",
+ dt,
+ (n_internal_calls > 0
+ ? (f64) n_internal_vectors / (f64) n_internal_calls
+ : 0),
+ 1 << VLIB_LOG2_MAIN_LOOPS_PER_STATS_UPDATE,
+ vectors_per_main_loop [j],
+ last_vector_length_per_node [j],
+ (f64) n_input / dt,
+ (f64) n_output / dt,
+ (f64) n_drop / dt,
+ (f64) n_punt / dt);
+
+ vlib_cli_output (vm, "%U", format_vlib_node_stats, stat_vm, 0, max);
+ for (i = 0; i < vec_len (nodes); i++)
+ {
+ c = nodes[i]->stats_total.calls - nodes[i]->stats_last_clear.calls;
+ d = nodes[i]->stats_total.suspends - nodes[i]->stats_last_clear.suspends;
+ if (c || d || ! brief)
+ {
+ vlib_cli_output (vm, "%U", format_vlib_node_stats, stat_vm,
+ nodes[i], max);
+ }
+ }
+ vec_free (nodes);
+ }
+ vec_free (stat_vms);
+ vec_free (node_dups);
+ vec_free (vectors_per_main_loop);
+ vec_free (last_vector_length_per_node);
+ }
+
+ return 0;
+}
+
+VLIB_CLI_COMMAND (show_node_runtime_command, static) = {
+ .path = "show runtime",
+ .short_help = "Show packet processing runtime",
+ .function = show_node_runtime,
+ .is_mp_safe = 1,
+};
+
+static clib_error_t *
+clear_node_runtime (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ vlib_node_main_t * nm;
+ vlib_node_t * n;
+ int i, j;
+ vlib_main_t ** stat_vms = 0, *stat_vm;
+ vlib_node_runtime_t * r;
+
+ if (vec_len(vlib_mains) == 0)
+ vec_add1 (stat_vms, vm);
+ else
+ {
+ for (i = 0; i < vec_len (vlib_mains); i++)
+ {
+ stat_vm = vlib_mains[i];
+ if (stat_vm)
+ vec_add1 (stat_vms, stat_vm);
+ }
+ }
+
+ vlib_worker_thread_barrier_sync(vm);
+
+ for (j = 0; j < vec_len (stat_vms); j++)
+ {
+ stat_vm = stat_vms[j];
+ nm = &stat_vm->node_main;
+
+ for (i = 0; i < vec_len (nm->nodes); i++)
+ {
+ n = nm->nodes[i];
+ vlib_node_sync_stats (stat_vm, n);
+ n->stats_last_clear = n->stats_total;
+
+ r = vlib_node_get_runtime (stat_vm, n->index);
+ r->max_clock = 0;
+ }
+ /* Note: input/output rates computed using vlib_global_main */
+ nm->time_last_runtime_stats_clear = vlib_time_now (vm);
+ }
+
+ vlib_worker_thread_barrier_release(vm);
+
+ vec_free (stat_vms);
+
+ return 0;
+}
+
+VLIB_CLI_COMMAND (clear_node_runtime_command, static) = {
+ .path = "clear runtime",
+ .short_help = "Clear packet processing runtime statistics",
+ .function = clear_node_runtime,
+};
+
+/* Dummy function to get us linked in. */
+void vlib_node_cli_reference (void) {}
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