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
|
// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef NETDATA_DISK_IO_H
#define NETDATA_DISK_IO_H
#include "common-contexts.h"
typedef struct {
RRDSET *st_io;
RRDDIM *rd_io_reads;
RRDDIM *rd_io_writes;
} ND_DISK_IO;
static inline void common_disk_io(ND_DISK_IO *d, const char *id, const char *name, uint64_t bytes_read, uint64_t bytes_write, int update_every, instance_labels_cb_t cb, void *data) {
if(unlikely(!d->st_io)) {
d->st_io = rrdset_create_localhost(
"disk"
, id
, name
, "io"
, "disk.io"
, "Disk I/O Bandwidth"
, "KiB/s"
, _COMMON_PLUGIN_NAME
, _COMMON_PLUGIN_MODULE_NAME
, NETDATA_CHART_PRIO_DISK_IO
, update_every
, RRDSET_TYPE_AREA
);
d->rd_io_reads = rrddim_add(d->st_io, "reads", NULL, 1, 1024, RRD_ALGORITHM_INCREMENTAL);
d->rd_io_writes = rrddim_add(d->st_io, "writes", NULL, -1, 1024, RRD_ALGORITHM_INCREMENTAL);
if(cb)
cb(d->st_io, data);
}
// this always have to be in base units, so that exporting sends base units to other time-series db
rrddim_set_by_pointer(d->st_io, d->rd_io_reads, (collected_number)bytes_read);
rrddim_set_by_pointer(d->st_io, d->rd_io_writes, (collected_number)bytes_write);
rrdset_done(d->st_io);
}
#endif //NETDATA_DISK_IO_H
|
