1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/*
* BIRD Internet Routing Daemon -- CLI Commands Which Don't Fit Anywhere Else
*
* (c) 2000 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include "nest/bird.h"
#include "nest/protocol.h"
#include "nest/route.h"
#include "nest/cli.h"
#include "conf/conf.h"
#include "nest/cmds.h"
#include "lib/string.h"
#include "lib/resource.h"
#include "filter/filter.h"
extern int shutting_down;
extern int configuring;
void
cmd_show_status(void)
{
rcu_read_lock();
struct global_runtime *gr = atomic_load_explicit(&global_runtime, memory_order_acquire);
struct timeformat *tf = this_cli->tf ?: &gr->tf_base;
byte tim[TM_DATETIME_BUFFER_SIZE];
cli_msg(-1000, "BIRD " BIRD_VERSION);
tm_format_time(tim, tf, current_time());
cli_msg(-1011, "Router ID is %R", gr->router_id);
cli_msg(-1011, "Hostname is %s", gr->hostname);
cli_msg(-1011, "Current server time is %s", tim);
tm_format_time(tim, tf, boot_time);
cli_msg(-1011, "Last reboot on %s", tim);
tm_format_time(tim, tf, gr->load_time);
cli_msg(-1011, "Last reconfiguration on %s", tim);
graceful_restart_show_status();
if (shutting_down)
cli_msg(13, "Shutdown in progress");
else if (configuring)
cli_msg(13, "Reconfiguration in progress");
else
cli_msg(13, "Daemon is up and running");
rcu_read_unlock();
}
void
cmd_show_symbols(struct sym_show_data *sd)
{
if (sd->sym)
cli_msg(1010, "%-8s\t%s", sd->sym->name, cf_symbol_class_name(sd->sym));
else
{
for (const struct sym_scope *scope = sd->config->root_scope; scope; scope = scope->next)
HASH_WALK(scope->hash, next, sym)
{
if (sd->type && (sym->class != sd->type))
continue;
cli_msg(-1010, "%-8s\t%s", sym->name, cf_symbol_class_name(sym));
}
HASH_WALK_END;
cli_msg(0, "");
}
}
#define SIZE_SUFFIX " kMGT"
#define SIZE_FORMAT "% 4u.%1u % 1cB"
#define SIZE_ARGS(a) (a).val, (a).decimal, SIZE_SUFFIX[(a).magnitude]
struct size_args {
u64 val:48;
u64 decimal:8;
u64 magnitude:8;
};
static struct size_args
get_size_args(u64 val)
{
#define VALDEC 10 /* One decimal place */
val *= VALDEC;
uint i = 0;
while ((val >= 10000 * VALDEC) && (i < 4))
{
val = (val + 512) / 1024;
i++;
}
return (struct size_args) {
.val = (val / VALDEC),
.decimal = (val % VALDEC),
.magnitude = i,
};
}
static void
print_size(char *dsc, struct resmem vals)
{
struct size_args effective = get_size_args(vals.effective);
struct size_args overhead = get_size_args(vals.overhead);
cli_msg(-1018, "%-17s " SIZE_FORMAT " " SIZE_FORMAT, dsc, SIZE_ARGS(effective), SIZE_ARGS(overhead));
}
extern pool *rt_table_pool;
extern pool *rta_pool;
void
cmd_show_memory(void)
{
cli_msg(-1018, "BIRD memory usage");
cli_msg(-1018, "%-17s Effective Overhead", "");
print_size("Routing tables:", rmemsize(rt_table_pool));
print_size("Route attributes:", rmemsize(rta_pool));
print_size("Protocols:", rmemsize(proto_pool));
print_size("Current config:", rmemsize(config_pool));
struct resmem total = rmemsize(&root_pool);
#ifdef HAVE_MMAP
uint hot_pages = atomic_load_explicit(&pages_kept, memory_order_relaxed)
+ atomic_load_explicit(&pages_kept_locally, memory_order_relaxed);
uint cold_pages_index = atomic_load_explicit(&pages_kept_cold_index, memory_order_relaxed);
print_size("Standby memory:", (struct resmem) { .overhead = page_size * (hot_pages + cold_pages_index) });
total.overhead += page_size * (hot_pages + cold_pages_index);
#endif
print_size("Total:", total);
cli_msg(-1018, "");
#ifdef HAVE_MMAP
uint cold_pages = atomic_load_explicit(&pages_kept_cold, memory_order_relaxed);
uint pages_total_loc = atomic_load_explicit(&pages_total, memory_order_relaxed);
uint pages_active = pages_total_loc - hot_pages - cold_pages_index - cold_pages;
struct size_args active = get_size_args(page_size * pages_active);
struct size_args kept = get_size_args(page_size * (hot_pages + cold_pages_index));
struct size_args cold = get_size_args(page_size * cold_pages);
cli_msg(-1018, "%-17s " SIZE_FORMAT, "Active pages:", SIZE_ARGS(active));
cli_msg(-1018, "%-17s " SIZE_FORMAT, "Kept free pages:", SIZE_ARGS(kept));
cli_msg(-1018, "%-17s " SIZE_FORMAT, "Cold free pages:", SIZE_ARGS(cold));
#endif
cli_msg(-1028, "Hot page cache depleted while in RCU: %d", atomic_load_explicit(&alloc_locking_in_rcu, memory_order_relaxed));
cli_msg(0, "");
}
void
cmd_eval(const struct f_line *expr)
{
buffer buf;
STACK_BUFFER_INIT(buf, CLI_MSG_SIZE);
if (f_eval_buf(expr, &buf) > F_RETURN)
{
cli_msg(8008, "runtime error");
return;
}
cli_msg(23, "%s", buf.start);
}
|
