/* * 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 int node_cmp (void *a1, void *a2) { vlib_node_t **n1 = a1; vlib_node_t **n2 = a2; return vec_cmp (n1[0]->name, n2[0]->name); } 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_with_function (nodes, node_cmp); 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; } /* *INDENT-OFF* */ VLIB_CLI_COMMAND (show_node_graph_command, static) = { .path = "show vlib graph", .short_help = "Show packet processing node graph", .function = show_node_graph, }; /* *INDENT-ON* */ 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; 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_with_function (nodes, node_cmp); 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) > 1) { vlib_worker_thread_t *w = vlib_worker_threads + j; if (j > 0) vlib_cli_output (vm, "---------------"); if (w->lcore_id > -1) vlib_cli_output (vm, "Thread %d %s (lcore %u)", j, w->name, w->lcore_id); else vlib_cli_output (vm, "Thread %d %s", 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; } /* *INDENT-OFF* */ 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, }; /* *INDENT-ON* */ 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; 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; } /* *INDENT-OFF* */ VLIB_CLI_COMMAND (clear_node_runtime_command, static) = { .path = "clear runtime", .short_help = "Clear packet processing runtime statistics", .function = clear_node_runtime, }; /* *INDENT-ON* */ /* Dummy function to get us linked in. */ void vlib_node_cli_reference (void) { } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */