forked from netdata/netdata
-
Notifications
You must be signed in to change notification settings - Fork 0
/
plugin_proc.c
228 lines (171 loc) · 8.07 KB
/
plugin_proc.c
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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
// SPDX-License-Identifier: GPL-3.0-or-later
#include "plugin_proc.h"
static struct proc_module {
const char *name;
const char *dim;
int enabled;
int (*func)(int update_every, usec_t dt);
usec_t duration;
RRDDIM *rd;
} proc_modules[] = {
// system metrics
{ .name = "/proc/stat", .dim = "stat", .func = do_proc_stat },
{ .name = "/proc/uptime", .dim = "uptime", .func = do_proc_uptime },
{ .name = "/proc/loadavg", .dim = "loadavg", .func = do_proc_loadavg },
{ .name = "/proc/sys/kernel/random/entropy_avail", .dim = "entropy", .func = do_proc_sys_kernel_random_entropy_avail },
// pressure metrics
{ .name = "/proc/pressure", .dim = "pressure", .func = do_proc_pressure },
// CPU metrics
{ .name = "/proc/interrupts", .dim = "interrupts", .func = do_proc_interrupts },
{ .name = "/proc/softirqs", .dim = "softirqs", .func = do_proc_softirqs },
// memory metrics
{ .name = "/proc/vmstat", .dim = "vmstat", .func = do_proc_vmstat },
{ .name = "/proc/meminfo", .dim = "meminfo", .func = do_proc_meminfo },
{ .name = "/sys/kernel/mm/ksm", .dim = "ksm", .func = do_sys_kernel_mm_ksm },
{ .name = "/sys/block/zram", .dim = "zram", .func = do_sys_block_zram },
{ .name = "/sys/devices/system/edac/mc", .dim = "ecc", .func = do_proc_sys_devices_system_edac_mc },
{ .name = "/sys/devices/system/node", .dim = "numa", .func = do_proc_sys_devices_system_node },
{ .name = "/proc/pagetypeinfo", .dim = "pagetypeinfo", .func = do_proc_pagetypeinfo },
// network metrics
{ .name = "/proc/net/dev", .dim = "netdev", .func = do_proc_net_dev },
{ .name = "/proc/net/sockstat", .dim = "sockstat", .func = do_proc_net_sockstat },
{ .name = "/proc/net/sockstat6", .dim = "sockstat6", .func = do_proc_net_sockstat6 },
{ .name = "/proc/net/netstat", .dim = "netstat", .func = do_proc_net_netstat }, // this has to be before /proc/net/snmp, because there is a shared metric
{ .name = "/proc/net/snmp", .dim = "snmp", .func = do_proc_net_snmp },
{ .name = "/proc/net/snmp6", .dim = "snmp6", .func = do_proc_net_snmp6 },
{ .name = "/proc/net/sctp/snmp", .dim = "sctp", .func = do_proc_net_sctp_snmp },
{ .name = "/proc/net/softnet_stat", .dim = "softnet", .func = do_proc_net_softnet_stat },
{ .name = "/proc/net/ip_vs/stats", .dim = "ipvs", .func = do_proc_net_ip_vs_stats },
// firewall metrics
{ .name = "/proc/net/stat/conntrack", .dim = "conntrack", .func = do_proc_net_stat_conntrack },
{ .name = "/proc/net/stat/synproxy", .dim = "synproxy", .func = do_proc_net_stat_synproxy },
// disk metrics
{ .name = "/proc/diskstats", .dim = "diskstats", .func = do_proc_diskstats },
{ .name = "/proc/mdstat", .dim = "mdstat", .func = do_proc_mdstat },
// NFS metrics
{ .name = "/proc/net/rpc/nfsd", .dim = "nfsd", .func = do_proc_net_rpc_nfsd },
{ .name = "/proc/net/rpc/nfs", .dim = "nfs", .func = do_proc_net_rpc_nfs },
// ZFS metrics
{ .name = "/proc/spl/kstat/zfs/arcstats", .dim = "zfs_arcstats", .func = do_proc_spl_kstat_zfs_arcstats },
// BTRFS metrics
{ .name = "/sys/fs/btrfs", .dim = "btrfs", .func = do_sys_fs_btrfs },
// IPC metrics
{ .name = "ipc", .dim = "ipc", .func = do_ipc },
// linux power supply metrics
{ .name = "/sys/class/power_supply", .dim = "power_supply", .func = do_sys_class_power_supply },
// the terminator of this array
{ .name = NULL, .dim = NULL, .func = NULL }
};
static void proc_main_cleanup(void *ptr) {
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 *proc_main(void *ptr) {
netdata_thread_cleanup_push(proc_main_cleanup, ptr);
int vdo_cpu_netdata = config_get_boolean("plugin:proc", "netdata server resources", CONFIG_BOOLEAN_YES);
config_get_boolean("plugin:proc", "/proc/pagetypeinfo", CONFIG_BOOLEAN_NO);
// check the enabled status for each module
int i;
for(i = 0 ; proc_modules[i].name ;i++) {
struct proc_module *pm = &proc_modules[i];
pm->enabled = config_get_boolean("plugin:proc", pm->name, CONFIG_BOOLEAN_YES);
pm->duration = 0ULL;
pm->rd = NULL;
}
usec_t step = localhost->rrd_update_every * USEC_PER_SEC;
heartbeat_t hb;
heartbeat_init(&hb);
size_t iterations = 0;
while(!netdata_exit) {
iterations++;
(void)iterations;
usec_t hb_dt = heartbeat_next(&hb, step);
usec_t duration = 0ULL;
if(unlikely(netdata_exit)) break;
// BEGIN -- the job to be done
for(i = 0 ; proc_modules[i].name ;i++) {
struct proc_module *pm = &proc_modules[i];
if(unlikely(!pm->enabled)) continue;
debug(D_PROCNETDEV_LOOP, "PROC calling %s.", pm->name);
//#ifdef NETDATA_LOG_ALLOCATIONS
// if(pm->func == do_proc_interrupts)
// log_thread_memory_allocations = iterations;
//#endif
pm->enabled = !pm->func(localhost->rrd_update_every, hb_dt);
pm->duration = heartbeat_monotonic_dt_to_now_usec(&hb) - duration;
duration += pm->duration;
//#ifdef NETDATA_LOG_ALLOCATIONS
// if(pm->func == do_proc_interrupts)
// log_thread_memory_allocations = 0;
//#endif
if(unlikely(netdata_exit)) break;
}
// END -- the job is done
// --------------------------------------------------------------------
if(vdo_cpu_netdata) {
static RRDSET *st = NULL;
if(unlikely(!st)) {
st = rrdset_find_bytype_localhost("netdata", "plugin_proc_modules");
if(!st) {
st = rrdset_create_localhost(
"netdata"
, "plugin_proc_modules"
, NULL
, "proc"
, NULL
, "NetData Proc Plugin Modules Durations"
, "milliseconds/run"
, "netdata"
, "stats"
, 132001
, localhost->rrd_update_every
, RRDSET_TYPE_STACKED
);
for(i = 0 ; proc_modules[i].name ;i++) {
struct proc_module *pm = &proc_modules[i];
if(unlikely(!pm->enabled)) continue;
pm->rd = rrddim_add(st, pm->dim, NULL, 1, 1000, RRD_ALGORITHM_ABSOLUTE);
}
}
}
else rrdset_next(st);
for(i = 0 ; proc_modules[i].name ;i++) {
struct proc_module *pm = &proc_modules[i];
if(unlikely(!pm->enabled)) continue;
rrddim_set_by_pointer(st, pm->rd, pm->duration);
}
rrdset_done(st);
global_statistics_charts();
registry_statistics();
}
}
netdata_thread_cleanup_pop(1);
return NULL;
}
int get_numa_node_count(void)
{
static int numa_node_count = -1;
if (numa_node_count != -1)
return numa_node_count;
numa_node_count = 0;
char name[FILENAME_MAX + 1];
snprintfz(name, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/devices/system/node");
char *dirname = config_get("plugin:proc:/sys/devices/system/node", "directory to monitor", name);
DIR *dir = opendir(dirname);
if(dir) {
struct dirent *de = NULL;
while((de = readdir(dir))) {
if(de->d_type != DT_DIR)
continue;
if(strncmp(de->d_name, "node", 4) != 0)
continue;
if(!isdigit(de->d_name[4]))
continue;
numa_node_count++;
}
closedir(dir);
}
return numa_node_count;
}