*/
#include <vlib/vlib.h>
+#include <vlib/unix/unix.h>
#include <vppinfra/cpu.h>
+#include <vppinfra/elog.h>
#include <unistd.h>
#include <ctype.h>
+/** \file src/vlib/cli.c Debug CLI Implementation
+ */
+
+int vl_api_set_elog_trace_api_messages (int enable);
+int vl_api_get_elog_trace_api_messages (void);
+
+static void *current_traced_heap;
+
/* Root of all show commands. */
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (vlib_cli_show_command, static) = {
vlib_cli_main_t *cm = &vm->cli_main;
uword *match_bitmap, is_unique, index;
- {
- vlib_cli_sub_rule_t *sr;
- vlib_cli_parse_rule_t *r;
- vec_foreach (sr, c->sub_rules)
- {
- void **d;
- r = vec_elt_at_index (cm->parse_rules, sr->rule_index);
- vec_add2 (cm->parse_rule_data, d, 1);
- vec_reset_length (d[0]);
- if (r->data_size)
- d[0] = _vec_resize (d[0],
- /* length increment */ 1,
- r->data_size,
- /* header_bytes */ 0,
- /* data align */ sizeof (uword));
- if (unformat_user (i, r->unformat_function, vm, d[0]))
- {
- *result = vec_elt_at_index (cm->commands, sr->command_index);
- return 1;
- }
- }
- }
-
match_bitmap = vlib_cli_sub_command_match (c, i);
is_unique = clib_bitmap_count_set_bits (match_bitmap) == 1;
index = ~0;
clib_bitmap_free (match_bitmap);
unformat_free (&input);
- vec_sort_with_function (result, vlib_cli_cmp_strings);
+ if (result)
+ vec_sort_with_function (result, vlib_cli_cmp_strings);
return result;
}
return s;
}
-static u8 *
-format_vlib_cli_parse_rule_name (u8 * s, va_list * args)
-{
- vlib_cli_parse_rule_t *r = va_arg (*args, vlib_cli_parse_rule_t *);
- return format (s, "<%U>", format_c_identifier, r->name);
-}
-
static u8 *
format_vlib_cli_path (u8 * s, va_list * args)
{
u8 *path = va_arg (*args, u8 *);
- int i, in_rule;
- in_rule = 0;
- for (i = 0; i < vec_len (path); i++)
- {
- switch (path[i])
- {
- case '%':
- in_rule = 1;
- vec_add1 (s, '<'); /* start of <RULE> */
- break;
-
- case '_':
- /* _ -> space in rules. */
- vec_add1 (s, in_rule ? ' ' : '_');
- break;
- case ' ':
- if (in_rule)
- {
- vec_add1 (s, '>'); /* end of <RULE> */
- in_rule = 0;
- }
- vec_add1 (s, ' ');
- break;
-
- default:
- vec_add1 (s, path[i]);
- break;
- }
- }
-
- if (in_rule)
- vec_add1 (s, '>'); /* terminate <RULE> */
+ s = format (s, "%v", path);
return s;
}
{
vlib_cli_command_t *c = vec_elt_at_index (cm->commands, command_index);
vlib_cli_sub_command_t *sc;
- vlib_cli_sub_rule_t *sr;
if (c->function)
vec_add1 (subs, c[0]);
- vec_foreach (sr, c->sub_rules)
- subs = all_subs (cm, subs, sr->command_index);
vec_foreach (sc, c->sub_commands) subs = all_subs (cm, subs, sc->index);
return subs;
vlib_cli_output (vm, "%U", format_vlib_cli_command_help, c,
/* is_long */ 1);
- else if (vec_len (c->sub_commands) + vec_len (c->sub_rules) == 0)
+ else if (vec_len (c->sub_commands) == 0)
vlib_cli_output (vm, "%v: no sub-commands", c->path);
else
{
+ vlib_cli_sub_rule_t *sr, *subs = 0;
vlib_cli_sub_command_t *sc;
- vlib_cli_sub_rule_t *sr, *subs;
-
- subs = vec_dup (c->sub_rules);
- /* Add in rules if any. */
vec_foreach (sc, c->sub_commands)
{
vec_add2 (subs, sr, 1);
for (i = 0; i < vec_len (subs); i++)
{
vlib_cli_command_t *d;
- vlib_cli_parse_rule_t *r;
d = vec_elt_at_index (cm->commands, subs[i].command_index);
- r =
- subs[i].rule_index != ~0 ? vec_elt_at_index (cm->parse_rules,
- subs
- [i].rule_index) :
- 0;
-
- if (r)
- vlib_cli_output
- (vm, " %-30U %U",
- format_vlib_cli_parse_rule_name, r,
- format_vlib_cli_command_help, d, /* is_long */ 0);
- else
- vlib_cli_output
- (vm, " %-30v %U",
- subs[i].name,
- format_vlib_cli_command_help, d, /* is_long */ 0);
+ vlib_cli_output
+ (vm, " %-30v %U", subs[i].name,
+ format_vlib_cli_command_help, d, /* is_long */ 0);
}
vec_free (subs);
parent_command_index);
unformat_free (&sub_input);
}
+ else if (unformat (input, "leak-check %U",
+ unformat_vlib_cli_sub_input, &sub_input))
+ {
+ u8 *leak_report;
+ if (current_traced_heap)
+ {
+ void *oldheap;
+ oldheap = clib_mem_set_heap (current_traced_heap);
+ clib_mem_trace (0);
+ clib_mem_set_heap (oldheap);
+ current_traced_heap = 0;
+ }
+ clib_mem_trace (1);
+ error =
+ vlib_cli_dispatch_sub_commands (vm, cm, &sub_input,
+ parent_command_index);
+ unformat_free (&sub_input);
+
+ /* Otherwise, the clib_error_t shows up as a leak... */
+ if (error)
+ {
+ vlib_cli_output (vm, "%v", error->what);
+ clib_error_free (error);
+ error = 0;
+ }
+
+ (void) clib_mem_trace_enable_disable (0);
+ leak_report = format (0, "%U", format_mheap, clib_mem_get_heap (),
+ 1 /* verbose, i.e. print leaks */ );
+ clib_mem_trace (0);
+ vlib_cli_output (vm, "%v", leak_report);
+ vec_free (leak_report);
+ }
else
if (unformat_user (input, unformat_vlib_cli_sub_command, vm, parent, &c))
}
else
{
+ if (PREDICT_FALSE (vm->elog_trace_cli_commands))
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "cli-cmd: %s",
+ .format_args = "T4",
+ };
+ /* *INDENT-ON* */
+ struct
+ {
+ u32 c;
+ } *ed;
+ ed = ELOG_DATA (&vm->elog_main, e);
+ ed->c = elog_string (&vm->elog_main, "%v", c->path);
+ }
+
if (!c->is_mp_safe)
vlib_worker_thread_barrier_sync (vm);
+ c->hit_counter++;
c_error = c->function (vm, si, c);
if (!c->is_mp_safe)
vlib_worker_thread_barrier_release (vm);
+ if (PREDICT_FALSE (vm->elog_trace_cli_commands))
+ {
+ /* *INDENT-OFF* */
+ ELOG_TYPE_DECLARE (e) =
+ {
+ .format = "cli-cmd: %s %s",
+ .format_args = "T4T4",
+ };
+ /* *INDENT-ON* */
+ struct
+ {
+ u32 c, err;
+ } *ed;
+ ed = ELOG_DATA (&vm->elog_main, e);
+ ed->c = elog_string (&vm->elog_main, "%v", c->path);
+ if (c_error)
+ {
+ vec_add1 (c_error->what, 0);
+ ed->err =
+ elog_string (&vm->elog_main, (char *) c_error->what);
+ _vec_len (c_error->what) -= 1;
+ }
+ else
+ ed->err = elog_string (&vm->elog_main, "OK");
+ }
+
if (c_error)
{
error =
}
/* Process CLI input. */
-void
+int
vlib_cli_input (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_output_function_t * function, uword function_arg)
{
vlib_process_t *cp = vlib_get_current_process (vm);
- vlib_cli_main_t *cm = &vm->cli_main;
clib_error_t *error;
vlib_cli_output_function_t *save_function;
uword save_function_arg;
+ int rv = 0;
save_function = cp->output_function;
save_function_arg = cp->output_function_arg;
do
{
- vec_reset_length (cm->parse_rule_data);
- error = vlib_cli_dispatch_sub_commands (vm, &vm->cli_main, input, /* parent */
- 0);
+ error = vlib_cli_dispatch_sub_commands (vm, &vm->cli_main, input,
+ /* parent */ 0);
}
while (!error && !unformat (input, "%U", unformat_eof));
{
vlib_cli_output (vm, "%v", error->what);
vlib_unix_error_report (vm, error);
+ /* clib_error_return is unfortunately often called with a '0'
+ return code */
+ rv = error->code != 0 ? error->code : -1;
clib_error_free (error);
}
cp->output_function = save_function;
cp->output_function_arg = save_function_arg;
+ return rv;
}
/* Output to current CLI connection. */
vec_free (s);
}
+void *vl_msg_push_heap (void) __attribute__ ((weak));
+void *
+vl_msg_push_heap (void)
+{
+ return 0;
+}
+
+void vl_msg_pop_heap (void *oldheap) __attribute__ ((weak));
+void
+vl_msg_pop_heap (void *oldheap)
+{
+}
+
+void *vlib_stats_push_heap (void *) __attribute__ ((weak));
+void *
+vlib_stats_push_heap (void *notused)
+{
+ return 0;
+}
+
static clib_error_t *
show_memory_usage (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
- int verbose = 0;
+ int verbose __attribute__ ((unused)) = 0;
+ int api_segment = 0, stats_segment = 0, main_heap = 0;
clib_error_t *error;
u32 index = 0;
+ uword clib_mem_trace_enable_disable (uword enable);
+ uword was_enabled;
+
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "verbose"))
verbose = 1;
+ else if (unformat (input, "api-segment"))
+ api_segment = 1;
+ else if (unformat (input, "stats-segment"))
+ stats_segment = 1;
+ else if (unformat (input, "main-heap"))
+ main_heap = 1;
else
{
error = clib_error_return (0, "unknown input `%U'",
}
}
+ if ((api_segment + stats_segment + main_heap) == 0)
+ return clib_error_return
+ (0, "Please supply one of api-segment, stats-segment or main-heap");
+
+ if (api_segment)
+ {
+ void *oldheap = vl_msg_push_heap ();
+ was_enabled = clib_mem_trace_enable_disable (0);
+ u8 *s_in_svm =
+ format (0, "%U\n", format_mheap, clib_mem_get_heap (), 1);
+ vl_msg_pop_heap (oldheap);
+ u8 *s = vec_dup (s_in_svm);
+
+ oldheap = vl_msg_push_heap ();
+ vec_free (s_in_svm);
+ clib_mem_trace_enable_disable (was_enabled);
+ vl_msg_pop_heap (oldheap);
+ vlib_cli_output (vm, "API segment");
+ vlib_cli_output (vm, "%v", s);
+ vec_free (s);
+ }
+ if (stats_segment)
+ {
+ void *oldheap = vlib_stats_push_heap (0);
+ was_enabled = clib_mem_trace_enable_disable (0);
+ u8 *s_in_svm =
+ format (0, "%U\n", format_mheap, clib_mem_get_heap (), 1);
+ if (oldheap)
+ clib_mem_set_heap (oldheap);
+ u8 *s = vec_dup (s_in_svm);
+
+ oldheap = vlib_stats_push_heap (0);
+ vec_free (s_in_svm);
+ if (oldheap)
+ {
+ clib_mem_trace_enable_disable (was_enabled);
+ clib_mem_set_heap (oldheap);
+ }
+ vlib_cli_output (vm, "Stats segment");
+ vlib_cli_output (vm, "%v", s);
+ vec_free (s);
+ }
+
+#if USE_DLMALLOC == 0
/* *INDENT-OFF* */
foreach_vlib_main (
({
- vlib_cli_output (vm, "Thread %d %v\n", index, vlib_worker_threads[index].name);
- vlib_cli_output (vm, "%U\n", format_mheap, clib_per_cpu_mheaps[index], verbose);
+ mheap_t *h = mheap_header (clib_per_cpu_mheaps[index]);
+ vlib_cli_output (vm, "%sThread %d %s\n", index ? "\n":"", index,
+ vlib_worker_threads[index].name);
+ vlib_cli_output (vm, " %U\n", format_page_map, pointer_to_uword (h) -
+ h->vm_alloc_offset_from_header,
+ h->vm_alloc_size);
+ vlib_cli_output (vm, " %U\n", format_mheap, clib_per_cpu_mheaps[index],
+ verbose);
index++;
}));
/* *INDENT-ON* */
+#else
+ {
+ if (main_heap)
+ {
+ /*
+ * Note: the foreach_vlib_main causes allocator traffic,
+ * so shut off tracing before we go there...
+ */
+ was_enabled = clib_mem_trace_enable_disable (0);
+
+ /* *INDENT-OFF* */
+ foreach_vlib_main (
+ ({
+ struct dlmallinfo mi;
+ void *mspace;
+ mspace = clib_per_cpu_mheaps[index];
+
+ mi = mspace_mallinfo (mspace);
+ vlib_cli_output (vm, "%sThread %d %s\n", index ? "\n":"", index,
+ vlib_worker_threads[index].name);
+ vlib_cli_output (vm, " %U\n", format_page_map,
+ pointer_to_uword (mspace_least_addr(mspace)),
+ mi.arena);
+ vlib_cli_output (vm, " %U\n", format_mheap,
+ clib_per_cpu_mheaps[index],
+ verbose);
+ index++;
+ }));
+ /* *INDENT-ON* */
+
+ /* Restore the trace flag */
+ clib_mem_trace_enable_disable (was_enabled);
+ }
+ }
+#endif /* USE_DLMALLOC */
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_memory_usage_command, static) = {
.path = "show memory",
- .short_help = "Show current memory usage",
+ .short_help = "show memory [api-segment][stats-segment][verbose]",
.function = show_memory_usage,
};
/* *INDENT-ON* */
{
#define _(a,b,c) vlib_cli_output (vm, "%-25s " b, a ":", c);
_("Model name", "%U", format_cpu_model_name);
- _("Microarchitecture", "%U", format_cpu_uarch);
+ _("Microarch model (family)", "%U", format_cpu_uarch);
_("Flags", "%U", format_cpu_flags);
_("Base frequency", "%.2f GHz",
((f64) vm->clib_time.clocks_per_second) * 1e-9);
.short_help = "Show cpu information",
.function = show_cpu,
};
-
/* *INDENT-ON* */
+
static clib_error_t *
enable_disable_memory_trace (vlib_main_t * vm,
unformat_input_t * input,
vlib_cli_command_t * cmd)
{
- clib_error_t *error = 0;
- int enable;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ int enable = 1;
+ int api_segment = 0;
+ int stats_segment = 0;
+ int main_heap = 0;
+ void *oldheap;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
- if (!unformat_user (input, unformat_vlib_enable_disable, &enable))
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
- error = clib_error_return (0, "expecting enable/on or disable/off");
- goto done;
+ if (unformat (line_input, "%U", unformat_vlib_enable_disable, &enable))
+ ;
+ else if (unformat (line_input, "api-segment"))
+ api_segment = 1;
+ else if (unformat (line_input, "stats-segment"))
+ stats_segment = 1;
+ else if (unformat (line_input, "main-heap"))
+ main_heap = 1;
+ else
+ {
+ unformat_free (line_input);
+ return clib_error_return (0, "invalid input");
+ }
}
+ unformat_free (line_input);
- clib_mem_trace (enable);
+ if ((api_segment + stats_segment + main_heap + (enable == 0)) == 0)
+ {
+ return clib_error_return
+ (0, "Need one of main-heap, stats-segment or api-segment");
+ }
-done:
- return error;
+ /* Turn off current trace, if any */
+ if (current_traced_heap)
+ {
+ void *oldheap;
+ oldheap = clib_mem_set_heap (current_traced_heap);
+ clib_mem_trace (0);
+ clib_mem_set_heap (oldheap);
+ current_traced_heap = 0;
+ }
+
+ if (enable == 0)
+ return 0;
+
+ /* API segment */
+ if (api_segment)
+ {
+ oldheap = vl_msg_push_heap ();
+ current_traced_heap = clib_mem_get_heap ();
+ clib_mem_trace (1);
+ vl_msg_pop_heap (oldheap);
+
+ }
+
+ /* Stats segment */
+ if (stats_segment)
+ {
+ oldheap = vlib_stats_push_heap (0);
+ current_traced_heap = clib_mem_get_heap ();
+ clib_mem_trace (stats_segment);
+ /* We don't want to call vlib_stats_pop_heap... */
+ if (oldheap)
+ clib_mem_set_heap (oldheap);
+ }
+
+ /* main_heap */
+ if (main_heap)
+ {
+ current_traced_heap = clib_mem_get_heap ();
+ clib_mem_trace (main_heap);
+ }
+
+ return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (enable_disable_memory_trace_command, static) = {
.path = "memory-trace",
- .short_help = "Enable/disable memory allocation trace",
+ .short_help = "memory-trace on|off [api-segment][stats-segment][main-heap]\n",
.function = enable_disable_memory_trace,
};
/* *INDENT-ON* */
test_heap_validate (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
+#if USE_DLMALLOC == 0
clib_error_t *error = 0;
void *heap;
mheap_t *mheap;
}
return error;
+#else
+ return clib_error_return (0, "unimplemented...");
+#endif /* USE_DLMALLOC */
}
/* *INDENT-OFF* */
restart_cmd_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
- char *newenviron[] = { NULL };
+ clib_file_main_t *fm = &file_main;
+ clib_file_t *f;
- execve (vm->name, (char **) vm->argv, newenviron);
+ /* environ(7) does not indicate a header for this */
+ extern char **environ;
+
+ /* Close all known open files */
+ /* *INDENT-OFF* */
+ pool_foreach(f, fm->file_pool,
+ ({
+ if (f->file_descriptor > 2)
+ close(f->file_descriptor);
+ }));
+ /* *INDENT-ON* */
+
+ /* Exec ourself */
+ execve (vm->name, (char **) vm->argv, environ);
return 0;
}
return;
}
- q = hash_get_mem (cm->parse_rule_index_by_name, sub_name);
- if (!q)
- {
- clib_error ("reference to unknown rule `%%%v' in path `%v'",
- sub_name, c->path);
- return;
- }
-
hash_set_mem (p->sub_rule_index_by_name, sub_name,
vec_len (p->sub_rules));
vec_add2 (p->sub_rules, sr, 1);
sr->name = sub_name;
- sr->rule_index = q[0];
+ sr->rule_index = sr - p->sub_rules;
sr->command_index = child_index;
return;
}
return 0;
}
+#if 0
+/* $$$ turn back on again someday, maybe */
clib_error_t *
vlib_cli_register_parse_rule (vlib_main_t * vm, vlib_cli_parse_rule_t * r_reg)
{
return error;
}
-#if 0
-/* $$$ turn back on again someday, maybe */
static clib_error_t *vlib_cli_register_parse_rules (vlib_main_t * vm,
vlib_cli_parse_rule_t *
lo,
}
#endif
-static int
-cli_path_compare (void *a1, void *a2)
+static clib_error_t *
+elog_trace_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
{
- u8 **s1 = a1;
- u8 **s2 = a2;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ int enable = 1;
+ int api = 0, cli = 0, barrier = 0, dispatch = 0, circuit = 0;
+ u32 circuit_node_index;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ goto print_status;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "api"))
+ api = 1;
+ else if (unformat (line_input, "dispatch"))
+ dispatch = 1;
+ else if (unformat (line_input, "circuit-node %U",
+ unformat_vlib_node, vm, &circuit_node_index))
+ circuit = 1;
+ else if (unformat (line_input, "cli"))
+ cli = 1;
+ else if (unformat (line_input, "barrier"))
+ barrier = 1;
+ else if (unformat (line_input, "disable"))
+ enable = 0;
+ else if (unformat (line_input, "enable"))
+ enable = 1;
+ else
+ break;
+ }
+ unformat_free (line_input);
+
+ vl_api_set_elog_trace_api_messages
+ (api ? enable : vl_api_get_elog_trace_api_messages ());
+ vm->elog_trace_cli_commands = cli ? enable : vm->elog_trace_cli_commands;
+ vm->elog_trace_graph_dispatch = dispatch ?
+ enable : vm->elog_trace_graph_dispatch;
+ vm->elog_trace_graph_circuit = circuit ?
+ enable : vm->elog_trace_graph_circuit;
+ vlib_worker_threads->barrier_elog_enabled =
+ barrier ? enable : vlib_worker_threads->barrier_elog_enabled;
+ vm->elog_trace_graph_circuit_node_index = circuit_node_index;
+
+ /*
+ * Set up start-of-buffer logic-analyzer trigger
+ * for main loop event logs, which are fairly heavyweight.
+ * See src/vlib/main/vlib_elog_main_loop_event(...), which
+ * will fully disable the scheme when the elog buffer fills.
+ */
+ if (dispatch || circuit)
+ {
+ elog_main_t *em = &vm->elog_main;
- if ((vec_len (*s1) < vec_len (*s2)) &&
- memcmp ((char *) *s1, (char *) *s2, vec_len (*s1)) == 0)
- return -1;
+ em->n_total_events_disable_limit =
+ em->n_total_events + vec_len (em->event_ring);
+ }
- if ((vec_len (*s1) > vec_len (*s2)) &&
- memcmp ((char *) *s1, (char *) *s2, vec_len (*s2)) == 0)
- return 1;
+print_status:
+ vlib_cli_output (vm, "Current status:");
+
+ vlib_cli_output
+ (vm, " Event log API message trace: %s\n CLI command trace: %s",
+ vl_api_get_elog_trace_api_messages ()? "on" : "off",
+ vm->elog_trace_cli_commands ? "on" : "off");
+ vlib_cli_output
+ (vm, " Barrier sync trace: %s",
+ vlib_worker_threads->barrier_elog_enabled ? "on" : "off");
+ vlib_cli_output
+ (vm, " Graph Dispatch: %s",
+ vm->elog_trace_graph_dispatch ? "on" : "off");
+ vlib_cli_output
+ (vm, " Graph Circuit: %s",
+ vm->elog_trace_graph_circuit ? "on" : "off");
+ if (vm->elog_trace_graph_circuit)
+ vlib_cli_output
+ (vm, " node %U",
+ format_vlib_node_name, vm, vm->elog_trace_graph_circuit_node_index);
- return vec_cmp (*s1, *s2);
+ return 0;
}
+/*?
+ * Control event logging of api, cli, and thread barrier events
+ * With no arguments, displays the current trace status.
+ * Name the event groups you wish to trace or stop tracing.
+ *
+ * @cliexpar
+ * @clistart
+ * elog trace api cli barrier
+ * elog trace api cli barrier disable
+ * elog trace dispatch
+ * elog trace circuit-node ethernet-input
+ * elog trace
+ * @cliend
+ * @cliexcmd{elog trace [api][cli][barrier][disable]}
+?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (elog_trace_command, static) =
+{
+ .path = "elog trace",
+ .short_help = "elog trace [api][cli][barrier][dispatch]\n"
+ "[circuit-node <name> e.g. ethernet-input][disable]",
+ .function = elog_trace_command_fn,
+};
+/* *INDENT-ON* */
+
static clib_error_t *
-show_cli_cmd_fn (vlib_main_t * vm, unformat_input_t * input,
- vlib_cli_command_t * cmd)
+suspend_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ vlib_process_suspend (vm, 30e-3);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (suspend_command, static) =
{
+ .path = "suspend",
+ .short_help = "suspend debug CLI for 30ms",
+ .function = suspend_command_fn,
+ .is_mp_safe = 1,
+};
+/* *INDENT-ON* */
+
+
+static int
+sort_cmds_by_path (void *a1, void *a2)
+{
+ u32 *index1 = a1;
+ u32 *index2 = a2;
+ vlib_main_t *vm = vlib_get_main ();
vlib_cli_main_t *cm = &vm->cli_main;
- vlib_cli_command_t *cli;
- u8 **paths = 0, **s;
+ vlib_cli_command_t *c1, *c2;
+ int i, lmin;
- /* *INDENT-OFF* */
- vec_foreach (cli, cm->commands)
- if (vec_len (cli->path) > 0)
- vec_add1 (paths, (u8 *) cli->path);
+ c1 = vec_elt_at_index (cm->commands, *index1);
+ c2 = vec_elt_at_index (cm->commands, *index2);
- vec_sort_with_function (paths, cli_path_compare);
+ lmin = vec_len (c1->path);
+ lmin = (vec_len (c2->path) >= lmin) ? lmin : vec_len (c2->path);
- vec_foreach (s, paths)
- vlib_cli_output (vm, "%v", *s);
- /* *INDENT-ON* */
+ for (i = 0; i < lmin; i++)
+ {
+ if (c1->path[i] < c2->path[i])
+ return -1;
+ else if (c1->path[i] > c2->path[i])
+ return 1;
+ }
- vec_free (paths);
return 0;
}
+typedef struct
+{
+ vlib_cli_main_t *cm;
+ u32 parent_command_index;
+ int show_mp_safe;
+ int show_not_mp_safe;
+ int show_hit;
+ int clear_hit;
+} vlib_cli_walk_args_t;
+
+static void
+cli_recursive_walk (vlib_cli_walk_args_t * aa)
+{
+ vlib_cli_command_t *parent;
+ vlib_cli_sub_command_t *sub;
+ vlib_cli_walk_args_t _a, *a = &_a;
+ vlib_cli_main_t *cm;
+ int i;
+
+ /* Copy args into this stack frame */
+ *a = *aa;
+ cm = a->cm;
+
+ parent = vec_elt_at_index (cm->commands, a->parent_command_index);
+
+ if (parent->function)
+ {
+ if (((a->show_mp_safe && parent->is_mp_safe)
+ || (a->show_not_mp_safe && !parent->is_mp_safe))
+ && (a->show_hit == 0 || parent->hit_counter))
+ {
+ vec_add1 (cm->sort_vector, a->parent_command_index);
+ }
+
+ if (a->clear_hit)
+ parent->hit_counter = 0;
+ }
+
+ for (i = 0; i < vec_len (parent->sub_commands); i++)
+ {
+ sub = vec_elt_at_index (parent->sub_commands, i);
+ a->parent_command_index = sub->index;
+ cli_recursive_walk (a);
+ }
+}
+
+static u8 *
+format_mp_safe (u8 * s, va_list * args)
+{
+ vlib_cli_main_t *cm = va_arg (*args, vlib_cli_main_t *);
+ int show_mp_safe = va_arg (*args, int);
+ int show_not_mp_safe = va_arg (*args, int);
+ int show_hit = va_arg (*args, int);
+ int clear_hit = va_arg (*args, int);
+ vlib_cli_command_t *c;
+ vlib_cli_walk_args_t _a, *a = &_a;
+ int i;
+ char *format_string = "\n%v";
+
+ if (show_hit)
+ format_string = "\n%v: %u";
+
+ vec_reset_length (cm->sort_vector);
+
+ a->cm = cm;
+ a->parent_command_index = 0;
+ a->show_mp_safe = show_mp_safe;
+ a->show_not_mp_safe = show_not_mp_safe;
+ a->show_hit = show_hit;
+ a->clear_hit = clear_hit;
+
+ cli_recursive_walk (a);
+
+ vec_sort_with_function (cm->sort_vector, sort_cmds_by_path);
+
+ for (i = 0; i < vec_len (cm->sort_vector); i++)
+ {
+ c = vec_elt_at_index (cm->commands, cm->sort_vector[i]);
+ s = format (s, format_string, c->path, c->hit_counter);
+ }
+
+ return s;
+}
+
+
+static clib_error_t *
+show_cli_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ int show_mp_safe = 0;
+ int show_not_mp_safe = 0;
+ int show_hit = 0;
+ int clear_hit = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "mp-safe"))
+ show_mp_safe = 1;
+ if (unformat (input, "not-mp-safe"))
+ show_not_mp_safe = 1;
+ else if (unformat (input, "hit"))
+ show_hit = 1;
+ else if (unformat (input, "clear-hit"))
+ clear_hit = 1;
+ else
+ break;
+ }
+
+ /* default set: all cli commands */
+ if (clear_hit == 0 && (show_mp_safe + show_not_mp_safe) == 0)
+ show_mp_safe = show_not_mp_safe = 1;
+
+ vlib_cli_output (vm, "%U", format_mp_safe, &vm->cli_main,
+ show_mp_safe, show_not_mp_safe, show_hit, clear_hit);
+ if (clear_hit)
+ vlib_cli_output (vm, "hit counters cleared...");
+
+ return 0;
+}
+
+/*?
+ * Displays debug cli command information
+ *
+ * @cliexpar
+ * @cliexstart{show cli [mp-safe][not-mp-safe][hit][clear-hit]}
+ *
+ * "show cli" displays the entire debug cli:
+ *
+ * abf attach
+ * abf policy
+ * adjacency counters
+ * api trace
+ * app ns
+ * bfd key del
+ * ... and so on ...
+ *
+ * "show cli mp-safe" displays mp-safe debug CLI commands:
+ *
+ * abf policy
+ * binary-api
+ * create vhost-user
+ * exec
+ * ip container
+ * ip mroute
+ * ip probe-neighbor
+ * ip route
+ * ip scan-neighbor
+ * ip table
+ * ip6 table
+ *
+ * "show cli not-mp-safe" displays debug CLI commands
+ * which cause worker thread barrier synchronization
+ *
+ * "show cli hit" displays commands which have been executed. Qualify
+ * as desired with "mp-safe" or "not-mp-safe".
+ *
+ * "show cli clear-hit" clears the per-command hit counters.
+ * @cliexend
+?*/
+
/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (show_cli_command, static) = {
+VLIB_CLI_COMMAND (show_cli_command, static) =
+{
.path = "show cli",
- .short_help = "Show cli commands",
- .function = show_cli_cmd_fn,
+ .short_help = "show cli [mp-safe][not-mp-safe][hit][clear-hit]",
+ .function = show_cli_command_fn,
+ .is_mp_safe = 1,
};
/* *INDENT-ON* */
Code Review / vpp.git / blobdiff