+++ /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 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;
-
- 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_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))
- {
- 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;
-
- 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;
-}
-
-/* *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:
- */
Code Review / vpp.git / blobdiff