| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #include "common-contexts.h" |
| 4 | |
| 5 | static inline void common_mem_swap(uint64_t free_bytes, uint64_t used_bytes, int update_every) { |
| 6 | static RRDSET *st_system_swap = NULL; |
| 7 | static RRDDIM *rd_free = NULL, *rd_used = NULL; |
| 8 | |
| 9 | if (free_bytes == 0 && used_bytes == 0 && st_system_swap) { |
| 10 | rrdset_is_obsolete___safe_from_collector_thread(st_system_swap); |
| 11 | st_system_swap = NULL; |
| 12 | rd_free = NULL; |
| 13 | rd_used = NULL; |
| 14 | return; |
| 15 | } |
| 16 | |
| 17 | if(unlikely(!st_system_swap)) { |
| 18 | st_system_swap = rrdset_create_localhost( |
| 19 | "mem" |
| 20 | , "swap" |
| 21 | , NULL |
| 22 | , "swap" |
| 23 | , NULL |
| 24 | , "System Swap" |
| 25 | , "MiB" |
| 26 | , _COMMON_PLUGIN_NAME |
| 27 | , _COMMON_PLUGIN_MODULE_NAME |
| 28 | , NETDATA_CHART_PRIO_MEM_SWAP |
| 29 | , update_every |
| 30 | , RRDSET_TYPE_STACKED |
| 31 | ); |
| 32 | |
| 33 | rd_free = rrddim_add(st_system_swap, "free", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); |
| 34 | rd_used = rrddim_add(st_system_swap, "used", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); |
| 35 | } |
| 36 | |
| 37 | // this always have to be in base units, so that exporting sends base units to other time-series db |
| 38 | rrddim_set_by_pointer(st_system_swap, rd_used, (collected_number)used_bytes); |
| 39 | rrddim_set_by_pointer(st_system_swap, rd_free, (collected_number)free_bytes); |
| 40 | rrdset_done(st_system_swap); |
| 41 | } |