*/
#include <vlib/vlib.h>
+#include <vlib/unix/unix.h>
#include <vppinfra/cpu.h>
+#include <vppinfra/elog.h>
#include <unistd.h>
+#include <ctype.h>
/* Root of all show commands. */
/* *INDENT-OFF* */
return is_unique;
}
+static int
+vlib_cli_cmp_strings (void *a1, void *a2)
+{
+ u8 *c1 = *(u8 **) a1;
+ u8 *c2 = *(u8 **) a2;
+
+ return vec_cmp (c1, c2);
+}
+
+u8 **
+vlib_cli_get_possible_completions (u8 * str)
+{
+ vlib_cli_command_t *c;
+ vlib_cli_sub_command_t *sc;
+ vlib_main_t *vm = vlib_get_main ();
+ vlib_cli_main_t *vcm = &vm->cli_main;
+ uword *match_bitmap = 0;
+ uword index, is_unique, help_next_level;
+ u8 **result = 0;
+ unformat_input_t input;
+ unformat_init_vector (&input, vec_dup (str));
+ c = vec_elt_at_index (vcm->commands, 0);
+
+ /* remove trailing whitespace, except for one of them */
+ while (vec_len (input.buffer) >= 2 &&
+ isspace (input.buffer[vec_len (input.buffer) - 1]) &&
+ isspace (input.buffer[vec_len (input.buffer) - 2]))
+ {
+ vec_del1 (input.buffer, vec_len (input.buffer) - 1);
+ }
+
+ /* if input is empty, directly return list of root commands */
+ if (vec_len (input.buffer) == 0 ||
+ (vec_len (input.buffer) == 1 && isspace (input.buffer[0])))
+ {
+ vec_foreach (sc, c->sub_commands)
+ {
+ vec_add1 (result, (u8 *) sc->name);
+ }
+ goto done;
+ }
+
+ /* add a trailing '?' so that vlib_cli_sub_command_match can find
+ * all commands starting with the input string */
+ vec_add1 (input.buffer, '?');
+
+ while (1)
+ {
+ match_bitmap = vlib_cli_sub_command_match (c, &input);
+ /* no match: return no result */
+ if (match_bitmap == 0)
+ {
+ goto done;
+ }
+ is_unique = clib_bitmap_count_set_bits (match_bitmap) == 1;
+ /* unique match: try to step one subcommand level further */
+ if (is_unique)
+ {
+ /* stop if no more input */
+ if (input.index >= vec_len (input.buffer) - 1)
+ {
+ break;
+ }
+
+ index = clib_bitmap_first_set (match_bitmap);
+ c = get_sub_command (vcm, c, index);
+ clib_bitmap_free (match_bitmap);
+ continue;
+ }
+ /* multiple matches: stop here, return all matches */
+ break;
+ }
+
+ /* remove trailing '?' */
+ vec_del1 (input.buffer, vec_len (input.buffer) - 1);
+
+ /* if we have a space at the end of input, and a unique match,
+ * autocomplete the next level of subcommands */
+ help_next_level = (vec_len (str) == 0) || isspace (str[vec_len (str) - 1]);
+ /* *INDENT-OFF* */
+ clib_bitmap_foreach(index, match_bitmap, {
+ if (help_next_level && is_unique) {
+ c = get_sub_command (vcm, c, index);
+ vec_foreach (sc, c->sub_commands) {
+ vec_add1 (result, (u8*) sc->name);
+ }
+ goto done; /* break doesn't work in this macro-loop */
+ }
+ sc = &c->sub_commands[index];
+ vec_add1(result, (u8*) sc->name);
+ });
+ /* *INDENT-ON* */
+
+done:
+ clib_bitmap_free (match_bitmap);
+ unformat_free (&input);
+
+ if (result)
+ vec_sort_with_function (result, vlib_cli_cmp_strings);
+ return result;
+}
+
static u8 *
format_vlib_cli_command_help (u8 * s, va_list * args)
{
}
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_global_id_for_msg_name (c->path);
+ }
+
if (!c->is_mp_safe)
vlib_worker_thread_barrier_sync (vm);
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_global_id_for_msg_name (c->path);
+ if (c_error)
+ {
+ vec_add1 (c_error->what, 0);
+ ed->err = elog_global_id_for_msg_name
+ ((const char *) c_error->what);
+ _vec_len (c_error->what) -= 1;
+ }
+ else
+ ed->err = elog_global_id_for_msg_name ("OK");
+ }
+
if (c_error)
{
error =
vec_free (s);
}
+void *vl_msg_push_heap (void) __attribute__ ((weak));
+void vl_msg_pop_heap (void *oldheap) __attribute__ ((weak));
+
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, api_segment = 0;
clib_error_t *error;
u32 index = 0;
{
if (unformat (input, "verbose"))
verbose = 1;
+ else if (unformat (input, "api-segment"))
+ api_segment = 1;
else
{
error = clib_error_return (0, "unknown input `%U'",
}
}
+ if (api_segment)
+ {
+ void *oldheap = vl_msg_push_heap ();
+ 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);
+ vl_msg_pop_heap (oldheap);
+ vlib_cli_output (vm, "API segment start:");
+ vlib_cli_output (vm, "%v", s);
+ vlib_cli_output (vm, "API segment end:");
+ 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
+ {
+ uword clib_mem_trace_enable_disable (uword enable);
+ uword was_enabled;
+
+ /*
+ * Note: the foreach_vlib_main cause 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 = "[verbose | api-segment] Show current memory usage",
.function = show_memory_usage,
};
/* *INDENT-ON* */
};
/* *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;
+ unformat_input_t _line_input, *line_input = &_line_input;
int enable;
+ int api_segment = 0;
+ void *oldheap;
- if (!unformat_user (input, unformat_vlib_enable_disable, &enable))
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ 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
+ {
+ unformat_free (line_input);
+ return clib_error_return (0, "invalid input");
+ }
}
+ unformat_free (line_input);
+ if (api_segment)
+ oldheap = vl_msg_push_heap ();
clib_mem_trace (enable);
+ if (api_segment)
+ vl_msg_pop_heap (oldheap);
-done:
- return error;
+ 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 = "on|off [api-segment] Enable/disable memory allocation trace",
.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;
}
};
/* *INDENT-ON* */
+static clib_error_t *
+elog_trace_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ int enable = 1;
+ int api = 0, cli = 0, barrier = 0;
+
+ 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, "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);
+
+ vm->elog_trace_api_messages = api ? enable : vm->elog_trace_api_messages;
+ vm->elog_trace_cli_commands = cli ? enable : vm->elog_trace_cli_commands;
+ vlib_worker_threads->barrier_elog_enabled =
+ barrier ? enable : vlib_worker_threads->barrier_elog_enabled;
+
+print_status:
+ vlib_cli_output (vm, "Current status:");
+
+ vlib_cli_output
+ (vm, " Event log API message trace: %s\n CLI command trace: %s",
+ vm->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");
+
+ 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
+ * @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][disable]",
+ .function = elog_trace_command_fn,
+};
+/* *INDENT-ON* */
+
static clib_error_t *
vlib_cli_init (vlib_main_t * vm)
{