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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
// SPDX-License-Identifier: GPL-3.0-or-later
#include "daemon/common.h"
#include "libnetdata/os.h"
#define PLUGIN_TIMEX_NAME "timex.plugin"
#define CONFIG_SECTION_TIMEX "plugin:timex"
struct status_codes {
char *name;
int code;
RRDDIM *rd;
} sta_codes[] = {
// {"pll", STA_PLL, NULL},
// {"ppsfreq", STA_PPSFREQ, NULL},
// {"ppstime", STA_PPSTIME, NULL},
// {"fll", STA_FLL, NULL},
// {"ins", STA_INS, NULL},
// {"del", STA_DEL, NULL},
{"unsync", STA_UNSYNC, NULL},
// {"freqhold", STA_FREQHOLD, NULL},
// {"ppssignal", STA_PPSSIGNAL, NULL},
// {"ppsjitter", STA_PPSJITTER, NULL},
// {"ppswander", STA_PPSWANDER, NULL},
// {"ppserror", STA_PPSERROR, NULL},
{"clockerr", STA_CLOCKERR, NULL},
// {"nano", STA_NANO, NULL},
// {"clk", STA_CLK, NULL},
{NULL, 0, NULL},
};
static void timex_main_cleanup(void *ptr)
{
worker_unregister();
struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
static_thread->enabled = NETDATA_MAIN_THREAD_EXITING;
info("cleaning up...");
static_thread->enabled = NETDATA_MAIN_THREAD_EXITED;
}
void *timex_main(void *ptr)
{
worker_register("TIMEX");
worker_register_job_name(0, "clock check");
netdata_thread_cleanup_push(timex_main_cleanup, ptr);
int update_every = (int)config_get_number(CONFIG_SECTION_TIMEX, "update every", 10);
if (update_every < localhost->rrd_update_every)
update_every = localhost->rrd_update_every;
int do_sync = config_get_boolean(CONFIG_SECTION_TIMEX, "clock synchronization state", CONFIG_BOOLEAN_YES);
int do_offset = config_get_boolean(CONFIG_SECTION_TIMEX, "time offset", CONFIG_BOOLEAN_YES);
if (unlikely(do_sync == CONFIG_BOOLEAN_NO && do_offset == CONFIG_BOOLEAN_NO)) {
info("No charts to show");
goto exit;
}
usec_t step = update_every * USEC_PER_SEC;
heartbeat_t hb;
heartbeat_init(&hb);
while (!netdata_exit) {
worker_is_idle();
heartbeat_next(&hb, step);
worker_is_busy(0);
struct timex timex_buf = {};
int sync_state = 0;
static int prev_sync_state = 0;
sync_state = ADJUST_TIMEX(&timex_buf);
int non_seq_failure = (sync_state == -1 && prev_sync_state != -1);
prev_sync_state = sync_state;
if (non_seq_failure) {
error("Cannot get clock synchronization state");
continue;
}
collected_number divisor = USEC_PER_MS;
if (timex_buf.status & STA_NANO)
divisor = NSEC_PER_MSEC;
// ----------------------------------------------------------------
if (do_sync) {
static RRDSET *st_sync_state = NULL;
static RRDDIM *rd_sync_state;
if (unlikely(!st_sync_state)) {
st_sync_state = rrdset_create_localhost(
"system",
"clock_sync_state",
NULL,
"clock synchronization",
NULL,
"System Clock Synchronization State",
"state",
PLUGIN_TIMEX_NAME,
NULL,
NETDATA_CHART_PRIO_CLOCK_SYNC_STATE,
update_every,
RRDSET_TYPE_LINE);
rd_sync_state = rrddim_add(st_sync_state, "state", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
} else {
rrdset_next(st_sync_state);
}
rrddim_set_by_pointer(st_sync_state, rd_sync_state, sync_state != TIME_ERROR ? 1 : 0);
rrdset_done(st_sync_state);
static RRDSET *st_clock_status = NULL;
if (unlikely(!st_clock_status)) {
st_clock_status = rrdset_create_localhost(
"system",
"clock_status",
NULL,
"clock synchronization",
NULL,
"System Clock Status",
"status",
PLUGIN_TIMEX_NAME,
NULL,
NETDATA_CHART_PRIO_CLOCK_STATUS,
update_every,
RRDSET_TYPE_LINE);
for (int i = 0; sta_codes[i].name != NULL; i++) {
sta_codes[i].rd =
rrddim_add(st_clock_status, sta_codes[i].name, NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
}
} else {
rrdset_next(st_clock_status);
}
for (int i = 0; sta_codes[i].name != NULL; i++) {
rrddim_set_by_pointer(st_clock_status, sta_codes[i].rd, timex_buf.status & sta_codes[i].code ? 1 : 0);
}
rrdset_done(st_clock_status);
}
if (do_offset) {
static RRDSET *st_offset = NULL;
static RRDDIM *rd_offset;
if (unlikely(!st_offset)) {
st_offset = rrdset_create_localhost(
"system",
"clock_sync_offset",
NULL,
"clock synchronization",
NULL,
"Computed Time Offset Between Local System and Reference Clock",
"milliseconds",
PLUGIN_TIMEX_NAME,
NULL,
NETDATA_CHART_PRIO_CLOCK_SYNC_OFFSET,
update_every,
RRDSET_TYPE_LINE);
rd_offset = rrddim_add(st_offset, "offset", NULL, 1, divisor, RRD_ALGORITHM_ABSOLUTE);
} else {
rrdset_next(st_offset);
}
rrddim_set_by_pointer(st_offset, rd_offset, timex_buf.offset);
rrdset_done(st_offset);
}
}
exit:
netdata_thread_cleanup_pop(1);
return NULL;
}
|
