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netdata/src/plugin_proc.c at master · datawithdev/netdata · GitHub
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// SPDX-License-Identifier: GPL-3.0+
#include
"common.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
},
// 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/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
},
// 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
},
// 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
},
// 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"
,
1
);
// 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
,
1
);
pm
->
duration
=
0ULL
;
pm
->
rd
=
NULL
;
}
usec_t
step
=
localhost
->
rrd_update_every
*
USEC_PER_SEC
;
heartbeat_t
hb
;
heartbeat_init
(
&
hb
);
while
(!
netdata_exit
) {
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
);
pm
->
enabled
=
!
pm
->
func
(
localhost
->
rrd_update_every
,
hb_dt
);
pm
->
duration
=
heartbeat_monotonic_dt_to_now_usec
(
&
hb
)
-
duration
;
duration
+=
pm
->
duration
;
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
;
}
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