diff options
Diffstat (limited to 'src/sys_fs_btrfs.c')
| -rw-r--r-- | src/sys_fs_btrfs.c | 714 |
1 files changed, 0 insertions, 714 deletions
diff --git a/src/sys_fs_btrfs.c b/src/sys_fs_btrfs.c deleted file mode 100644 index a8dfb5c91..000000000 --- a/src/sys_fs_btrfs.c +++ /dev/null @@ -1,714 +0,0 @@ -#include "common.h" - -typedef struct btrfs_disk { - char *name; - uint32_t hash; - int exists; - - char *size_filename; - char *hw_sector_size_filename; - unsigned long long size; - unsigned long long hw_sector_size; - - struct btrfs_disk *next; -} BTRFS_DISK; - -typedef struct btrfs_node { - int exists; - int logged_error; - - char *id; - uint32_t hash; - - char *label; - - // unsigned long long int sectorsize; - // unsigned long long int nodesize; - // unsigned long long int quota_override; - - #define declare_btrfs_allocation_section_field(SECTION, FIELD) \ - char *allocation_ ## SECTION ## _ ## FIELD ## _filename; \ - unsigned long long int allocation_ ## SECTION ## _ ## FIELD; - - #define declare_btrfs_allocation_field(FIELD) \ - char *allocation_ ## FIELD ## _filename; \ - unsigned long long int allocation_ ## FIELD; - - RRDSET *st_allocation_disks; - RRDDIM *rd_allocation_disks_unallocated; - RRDDIM *rd_allocation_disks_data_used; - RRDDIM *rd_allocation_disks_data_free; - RRDDIM *rd_allocation_disks_metadata_used; - RRDDIM *rd_allocation_disks_metadata_free; - RRDDIM *rd_allocation_disks_system_used; - RRDDIM *rd_allocation_disks_system_free; - unsigned long long all_disks_total; - - RRDSET *st_allocation_data; - RRDDIM *rd_allocation_data_free; - RRDDIM *rd_allocation_data_used; - declare_btrfs_allocation_section_field(data, total_bytes) - declare_btrfs_allocation_section_field(data, bytes_used) - declare_btrfs_allocation_section_field(data, disk_total) - declare_btrfs_allocation_section_field(data, disk_used) - - RRDSET *st_allocation_metadata; - RRDDIM *rd_allocation_metadata_free; - RRDDIM *rd_allocation_metadata_used; - RRDDIM *rd_allocation_metadata_reserved; - declare_btrfs_allocation_section_field(metadata, total_bytes) - declare_btrfs_allocation_section_field(metadata, bytes_used) - declare_btrfs_allocation_section_field(metadata, disk_total) - declare_btrfs_allocation_section_field(metadata, disk_used) - //declare_btrfs_allocation_field(global_rsv_reserved) - declare_btrfs_allocation_field(global_rsv_size) - - RRDSET *st_allocation_system; - RRDDIM *rd_allocation_system_free; - RRDDIM *rd_allocation_system_used; - declare_btrfs_allocation_section_field(system, total_bytes) - declare_btrfs_allocation_section_field(system, bytes_used) - declare_btrfs_allocation_section_field(system, disk_total) - declare_btrfs_allocation_section_field(system, disk_used) - - BTRFS_DISK *disks; - - struct btrfs_node *next; -} BTRFS_NODE; - -static BTRFS_NODE *nodes = NULL; - -static inline void btrfs_free_disk(BTRFS_DISK *d) { - freez(d->name); - freez(d->size_filename); - freez(d->hw_sector_size_filename); - freez(d); -} - -static inline void btrfs_free_node(BTRFS_NODE *node) { - // info("BTRFS: destroying '%s'", node->id); - - if(node->st_allocation_disks) - rrdset_is_obsolete(node->st_allocation_disks); - - if(node->st_allocation_data) - rrdset_is_obsolete(node->st_allocation_data); - - if(node->st_allocation_metadata) - rrdset_is_obsolete(node->st_allocation_metadata); - - if(node->st_allocation_system) - rrdset_is_obsolete(node->st_allocation_system); - - freez(node->allocation_data_bytes_used_filename); - freez(node->allocation_data_total_bytes_filename); - - freez(node->allocation_metadata_bytes_used_filename); - freez(node->allocation_metadata_total_bytes_filename); - - freez(node->allocation_system_bytes_used_filename); - freez(node->allocation_system_total_bytes_filename); - - while(node->disks) { - BTRFS_DISK *d = node->disks; - node->disks = node->disks->next; - btrfs_free_disk(d); - } - - freez(node->label); - freez(node->id); - freez(node); -} - -static inline int find_btrfs_disks(BTRFS_NODE *node, const char *path) { - char filename[FILENAME_MAX + 1]; - - node->all_disks_total = 0; - - BTRFS_DISK *d; - for(d = node->disks ; d ; d = d->next) - d->exists = 0; - - DIR *dir = opendir(path); - if (!dir) { - if(!node->logged_error) { - error("BTRFS: Cannot open directory '%s'.", path); - node->logged_error = 1; - } - return 1; - } - node->logged_error = 0; - - struct dirent *de = NULL; - while ((de = readdir(dir))) { - if (de->d_type != DT_LNK - || !strcmp(de->d_name, ".") - || !strcmp(de->d_name, "..") - ) { - // info("BTRFS: ignoring '%s'", de->d_name); - continue; - } - - uint32_t hash = simple_hash(de->d_name); - - // -------------------------------------------------------------------- - // search for it - - for(d = node->disks ; d ; d = d->next) { - if(hash == d->hash && !strcmp(de->d_name, d->name)) - break; - } - - // -------------------------------------------------------------------- - // did we find it? - - if(!d) { - d = callocz(sizeof(BTRFS_DISK), 1); - - d->name = strdupz(de->d_name); - d->hash = simple_hash(d->name); - - snprintfz(filename, FILENAME_MAX, "%s/%s/size", path, de->d_name); - d->size_filename = strdupz(filename); - - // for disks - snprintfz(filename, FILENAME_MAX, "%s/%s/queue/hw_sector_size", path, de->d_name); - struct stat sb; - if(stat(filename, &sb) == -1) - // for partitions - snprintfz(filename, FILENAME_MAX, "%s/%s/../queue/hw_sector_size", path, de->d_name); - - d->hw_sector_size_filename = strdupz(filename); - - // link it - d->next = node->disks; - node->disks = d; - } - - d->exists = 1; - - - // -------------------------------------------------------------------- - // update the values - - if(read_single_number_file(d->size_filename, &d->size) != 0) { - error("BTRFS: failed to read '%s'", d->size_filename); - d->exists = 0; - continue; - } - - if(read_single_number_file(d->hw_sector_size_filename, &d->hw_sector_size) != 0) { - error("BTRFS: failed to read '%s'", d->hw_sector_size_filename); - d->exists = 0; - continue; - } - - node->all_disks_total += d->size * d->hw_sector_size; - } - closedir(dir); - - // ------------------------------------------------------------------------ - // cleanup - - BTRFS_DISK *last = NULL; - d = node->disks; - - while(d) { - if(unlikely(!d->exists)) { - if(unlikely(node->disks == d)) { - node->disks = d->next; - btrfs_free_disk(d); - d = node->disks; - last = NULL; - } - else { - last->next = d->next; - btrfs_free_disk(d); - d = last->next; - } - - continue; - } - - last = d; - d = d->next; - } - - return 0; -} - - -static inline int find_all_btrfs_pools(const char *path) { - static int logged_error = 0; - char filename[FILENAME_MAX + 1]; - - BTRFS_NODE *node; - for(node = nodes ; node ; node = node->next) - node->exists = 0; - - DIR *dir = opendir(path); - if (!dir) { - if(!logged_error) { - error("BTRFS: Cannot open directory '%s'.", path); - logged_error = 1; - } - return 1; - } - logged_error = 0; - - struct dirent *de = NULL; - while ((de = readdir(dir))) { - if(de->d_type != DT_DIR - || !strcmp(de->d_name, ".") - || !strcmp(de->d_name, "..") - || !strcmp(de->d_name, "features") - ) { - // info("BTRFS: ignoring '%s'", de->d_name); - continue; - } - - uint32_t hash = simple_hash(de->d_name); - - // search for it - for(node = nodes ; node ; node = node->next) { - if(hash == node->hash && !strcmp(de->d_name, node->id)) - break; - } - - // did we find it? - if(node) { - // info("BTRFS: already exists '%s'", de->d_name); - node->exists = 1; - - // update the disk sizes - snprintfz(filename, FILENAME_MAX, "%s/%s/devices", path, de->d_name); - find_btrfs_disks(node, filename); - - continue; - } - - // info("BTRFS: adding '%s'", de->d_name); - - // not found, create it - node = callocz(sizeof(BTRFS_NODE), 1); - - node->id = strdupz(de->d_name); - node->hash = simple_hash(node->id); - node->exists = 1; - - { - char label[FILENAME_MAX + 1] = ""; - - snprintfz(filename, FILENAME_MAX, "%s/%s/label", path, de->d_name); - read_file(filename, label, FILENAME_MAX); - - char *s = label; - if (s[0]) - s = trim(label); - - if(s && s[0]) - node->label = strdupz(s); - else - node->label = strdupz(node->id); - } - - //snprintfz(filename, FILENAME_MAX, "%s/%s/sectorsize", path, de->d_name); - //if(read_single_number_file(filename, &node->sectorsize) != 0) { - // error("BTRFS: failed to read '%s'", filename); - // btrfs_free_node(node); - // continue; - //} - - //snprintfz(filename, FILENAME_MAX, "%s/%s/nodesize", path, de->d_name); - //if(read_single_number_file(filename, &node->nodesize) != 0) { - // error("BTRFS: failed to read '%s'", filename); - // btrfs_free_node(node); - // continue; - //} - - //snprintfz(filename, FILENAME_MAX, "%s/%s/quota_override", path, de->d_name); - //if(read_single_number_file(filename, &node->quota_override) != 0) { - // error("BTRFS: failed to read '%s'", filename); - // btrfs_free_node(node); - // continue; - //} - - // -------------------------------------------------------------------- - // macros to simplify our life - - #define init_btrfs_allocation_field(FIELD) {\ - snprintfz(filename, FILENAME_MAX, "%s/%s/allocation/" #FIELD, path, de->d_name); \ - if(read_single_number_file(filename, &node->allocation_ ## FIELD) != 0) {\ - error("BTRFS: failed to read '%s'", filename);\ - btrfs_free_node(node);\ - continue;\ - }\ - if(!node->allocation_ ## FIELD ## _filename)\ - node->allocation_ ## FIELD ## _filename = strdupz(filename);\ - } - - #define init_btrfs_allocation_section_field(SECTION, FIELD) {\ - snprintfz(filename, FILENAME_MAX, "%s/%s/allocation/" #SECTION "/" #FIELD, path, de->d_name); \ - if(read_single_number_file(filename, &node->allocation_ ## SECTION ## _ ## FIELD) != 0) {\ - error("BTRFS: failed to read '%s'", filename);\ - btrfs_free_node(node);\ - continue;\ - }\ - if(!node->allocation_ ## SECTION ## _ ## FIELD ## _filename)\ - node->allocation_ ## SECTION ## _ ## FIELD ## _filename = strdupz(filename);\ - } - - // -------------------------------------------------------------------- - // allocation/data - - init_btrfs_allocation_section_field(data, total_bytes); - init_btrfs_allocation_section_field(data, bytes_used); - init_btrfs_allocation_section_field(data, disk_total); - init_btrfs_allocation_section_field(data, disk_used); - - - // -------------------------------------------------------------------- - // allocation/metadata - - init_btrfs_allocation_section_field(metadata, total_bytes); - init_btrfs_allocation_section_field(metadata, bytes_used); - init_btrfs_allocation_section_field(metadata, disk_total); - init_btrfs_allocation_section_field(metadata, disk_used); - - init_btrfs_allocation_field(global_rsv_size); - // init_btrfs_allocation_field(global_rsv_reserved); - - - // -------------------------------------------------------------------- - // allocation/system - - init_btrfs_allocation_section_field(system, total_bytes); - init_btrfs_allocation_section_field(system, bytes_used); - init_btrfs_allocation_section_field(system, disk_total); - init_btrfs_allocation_section_field(system, disk_used); - - - // -------------------------------------------------------------------- - // find all disks related to this node - // and collect their sizes - - snprintfz(filename, FILENAME_MAX, "%s/%s/devices", path, de->d_name); - find_btrfs_disks(node, filename); - - - // -------------------------------------------------------------------- - // link it - - // info("BTRFS: linking '%s'", node->id); - node->next = nodes; - nodes = node; - } - closedir(dir); - - - // ------------------------------------------------------------------------ - // cleanup - - BTRFS_NODE *last = NULL; - node = nodes; - - while(node) { - if(unlikely(!node->exists)) { - if(unlikely(nodes == node)) { - nodes = node->next; - btrfs_free_node(node); - node = nodes; - last = NULL; - } - else { - last->next = node->next; - btrfs_free_node(node); - node = last->next; - } - - continue; - } - - last = node; - node = node->next; - } - - return 0; -} - -int do_sys_fs_btrfs(int update_every, usec_t dt) { - static int initialized = 0 - , do_allocation_disks = CONFIG_BOOLEAN_AUTO - , do_allocation_system = CONFIG_BOOLEAN_AUTO - , do_allocation_data = CONFIG_BOOLEAN_AUTO - , do_allocation_metadata = CONFIG_BOOLEAN_AUTO; - - static usec_t refresh_delta = 0, refresh_every = 60 * USEC_PER_SEC; - static char *btrfs_path = NULL; - - (void)dt; - - if(unlikely(!initialized)) { - initialized = 1; - - char filename[FILENAME_MAX + 1]; - snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/fs/btrfs"); - btrfs_path = config_get("plugin:proc:/sys/fs/btrfs", "path to monitor", filename); - - refresh_every = config_get_number("plugin:proc:/sys/fs/btrfs", "check for btrfs changes every", refresh_every / USEC_PER_SEC) * USEC_PER_SEC; - refresh_delta = refresh_every; - - do_allocation_disks = config_get_boolean_ondemand("plugin:proc:/sys/fs/btrfs", "physical disks allocation", do_allocation_disks); - do_allocation_data = config_get_boolean_ondemand("plugin:proc:/sys/fs/btrfs", "data allocation", do_allocation_data); - do_allocation_metadata = config_get_boolean_ondemand("plugin:proc:/sys/fs/btrfs", "metadata allocation", do_allocation_metadata); - do_allocation_system = config_get_boolean_ondemand("plugin:proc:/sys/fs/btrfs", "system allocation", do_allocation_system); - } - - refresh_delta += dt; - if(refresh_delta >= refresh_every) { - refresh_delta = 0; - find_all_btrfs_pools(btrfs_path); - } - - BTRFS_NODE *node; - for(node = nodes; node ; node = node->next) { - // -------------------------------------------------------------------- - // allocation/system - - #define collect_btrfs_allocation_field(FIELD) \ - read_single_number_file(node->allocation_ ## FIELD ## _filename, &node->allocation_ ## FIELD) - - #define collect_btrfs_allocation_section_field(SECTION, FIELD) \ - read_single_number_file(node->allocation_ ## SECTION ## _ ## FIELD ## _filename, &node->allocation_ ## SECTION ## _ ## FIELD) - - if(do_allocation_disks != CONFIG_BOOLEAN_NO) { - if( collect_btrfs_allocation_section_field(data, disk_total) != 0 - || collect_btrfs_allocation_section_field(data, disk_used) != 0 - || collect_btrfs_allocation_section_field(metadata, disk_total) != 0 - || collect_btrfs_allocation_section_field(metadata, disk_used) != 0 - || collect_btrfs_allocation_section_field(system, disk_total) != 0 - || collect_btrfs_allocation_section_field(system, disk_used) != 0) { - error("BTRFS: failed to collect physical disks allocation for '%s'", node->id); - // make it refresh btrfs at the next iteration - refresh_delta = refresh_every; - continue; - } - } - - if(do_allocation_data != CONFIG_BOOLEAN_NO) { - if (collect_btrfs_allocation_section_field(data, total_bytes) != 0 - || collect_btrfs_allocation_section_field(data, bytes_used) != 0) { - error("BTRFS: failed to collect allocation/data for '%s'", node->id); - // make it refresh btrfs at the next iteration - refresh_delta = refresh_every; - continue; - } - } - - if(do_allocation_metadata != CONFIG_BOOLEAN_NO) { - if (collect_btrfs_allocation_section_field(metadata, total_bytes) != 0 - || collect_btrfs_allocation_section_field(metadata, bytes_used) != 0 - || collect_btrfs_allocation_field(global_rsv_size) != 0 - ) { - error("BTRFS: failed to collect allocation/metadata for '%s'", node->id); - // make it refresh btrfs at the next iteration - refresh_delta = refresh_every; - continue; - } - } - - if(do_allocation_system != CONFIG_BOOLEAN_NO) { - if (collect_btrfs_allocation_section_field(system, total_bytes) != 0 - || collect_btrfs_allocation_section_field(system, bytes_used) != 0) { - error("BTRFS: failed to collect allocation/system for '%s'", node->id); - // make it refresh btrfs at the next iteration - refresh_delta = refresh_every; - continue; - } - } - - // -------------------------------------------------------------------- - // allocation/disks - - if(do_allocation_disks == CONFIG_BOOLEAN_YES || (do_allocation_disks == CONFIG_BOOLEAN_AUTO && node->all_disks_total && node->allocation_data_disk_total)) { - do_allocation_disks = CONFIG_BOOLEAN_YES; - - if(unlikely(!node->st_allocation_disks)) { - char id[RRD_ID_LENGTH_MAX + 1], name[RRD_ID_LENGTH_MAX + 1], title[200 + 1]; - - snprintf(id, RRD_ID_LENGTH_MAX, "disk_%s", node->id); - snprintf(name, RRD_ID_LENGTH_MAX, "disk_%s", node->label); - snprintf(title, 200, "BTRFS Disk Allocation for %s", node->label); - - netdata_fix_chart_id(id); - netdata_fix_chart_name(name); - - node->st_allocation_disks = rrdset_create_localhost( - "btrfs" - , id - , name - , node->label - , "btrfs.disk" - , title - , "MB" - , "proc" - , "sys/fs/btrfs" - , 2300 - , update_every - , RRDSET_TYPE_STACKED - ); - - node->rd_allocation_disks_unallocated = rrddim_add(node->st_allocation_disks, "unallocated", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); - node->rd_allocation_disks_data_used = rrddim_add(node->st_allocation_disks, "data_used", "data used", 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); - node->rd_allocation_disks_data_free = rrddim_add(node->st_allocation_disks, "data_free", "data free", 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); - node->rd_allocation_disks_metadata_used = rrddim_add(node->st_allocation_disks, "meta_used", "meta used", 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); - node->rd_allocation_disks_metadata_free = rrddim_add(node->st_allocation_disks, "meta_free", "meta free", 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); - node->rd_allocation_disks_system_used = rrddim_add(node->st_allocation_disks, "sys_used", "sys used", 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); - node->rd_allocation_disks_system_free = rrddim_add(node->st_allocation_disks, "sys_free", "sys free", 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); - } - else rrdset_next(node->st_allocation_disks); - - // unsigned long long disk_used = node->allocation_data_disk_used + node->allocation_metadata_disk_used + node->allocation_system_disk_used; - unsigned long long disk_total = node->allocation_data_disk_total + node->allocation_metadata_disk_total + node->allocation_system_disk_total; - unsigned long long disk_unallocated = node->all_disks_total - disk_total; - - rrddim_set_by_pointer(node->st_allocation_disks, node->rd_allocation_disks_unallocated, disk_unallocated); - rrddim_set_by_pointer(node->st_allocation_disks, node->rd_allocation_disks_data_used, node->allocation_data_disk_used); - rrddim_set_by_pointer(node->st_allocation_disks, node->rd_allocation_disks_data_free, node->allocation_data_disk_total - node->allocation_data_disk_used); - rrddim_set_by_pointer(node->st_allocation_disks, node->rd_allocation_disks_metadata_used, node->allocation_metadata_disk_used); - rrddim_set_by_pointer(node->st_allocation_disks, node->rd_allocation_disks_metadata_free, node->allocation_metadata_disk_total - node->allocation_metadata_disk_used); - rrddim_set_by_pointer(node->st_allocation_disks, node->rd_allocation_disks_system_used, node->allocation_system_disk_used); - rrddim_set_by_pointer(node->st_allocation_disks, node->rd_allocation_disks_system_free, node->allocation_system_disk_total - node->allocation_system_disk_used); - rrdset_done(node->st_allocation_disks); - } - - - // -------------------------------------------------------------------- - // allocation/data - - if(do_allocation_data == CONFIG_BOOLEAN_YES || (do_allocation_data == CONFIG_BOOLEAN_AUTO && node->allocation_data_total_bytes)) { - do_allocation_data = CONFIG_BOOLEAN_YES; - - if(unlikely(!node->st_allocation_data)) { - char id[RRD_ID_LENGTH_MAX + 1], name[RRD_ID_LENGTH_MAX + 1], title[200 + 1]; - - snprintf(id, RRD_ID_LENGTH_MAX, "data_%s", node->id); - snprintf(name, RRD_ID_LENGTH_MAX, "data_%s", node->label); - snprintf(title, 200, "BTRFS Data Allocation for %s", node->label); - - netdata_fix_chart_id(id); - netdata_fix_chart_name(name); - - node->st_allocation_data = rrdset_create_localhost( - "btrfs" - , id - , name - , node->label - , "btrfs.data" - , title - , "MB" - , "proc" - , "sys/fs/btrfs" - , 2301 - , update_every - , RRDSET_TYPE_STACKED - ); - - node->rd_allocation_data_free = rrddim_add(node->st_allocation_data, "free", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); - node->rd_allocation_data_used = rrddim_add(node->st_allocation_data, "used", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); - } - else rrdset_next(node->st_allocation_data); - - rrddim_set_by_pointer(node->st_allocation_data, node->rd_allocation_data_free, node->allocation_data_total_bytes - node->allocation_data_bytes_used); - rrddim_set_by_pointer(node->st_allocation_data, node->rd_allocation_data_used, node->allocation_data_bytes_used); - rrdset_done(node->st_allocation_data); - } - - // -------------------------------------------------------------------- - // allocation/metadata - - if(do_allocation_metadata == CONFIG_BOOLEAN_YES || (do_allocation_metadata == CONFIG_BOOLEAN_AUTO && node->allocation_metadata_total_bytes)) { - do_allocation_metadata = CONFIG_BOOLEAN_YES; - - if(unlikely(!node->st_allocation_metadata)) { - char id[RRD_ID_LENGTH_MAX + 1], name[RRD_ID_LENGTH_MAX + 1], title[200 + 1]; - - snprintf(id, RRD_ID_LENGTH_MAX, "metadata_%s", node->id); - snprintf(name, RRD_ID_LENGTH_MAX, "metadata_%s", node->label); - snprintf(title, 200, "BTRFS Metadata Allocation for %s", node->label); - - netdata_fix_chart_id(id); - netdata_fix_chart_name(name); - - node->st_allocation_metadata = rrdset_create_localhost( - "btrfs" - , id - , name - , node->label - , "btrfs.metadata" - , title - , "MB" - , "proc" - , "sys/fs/btrfs" - , 2302 - , update_every - , RRDSET_TYPE_STACKED - ); - - node->rd_allocation_metadata_free = rrddim_add(node->st_allocation_metadata, "free", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); - node->rd_allocation_metadata_used = rrddim_add(node->st_allocation_metadata, "used", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); - node->rd_allocation_metadata_reserved = rrddim_add(node->st_allocation_metadata, "reserved", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); - } - else rrdset_next(node->st_allocation_metadata); - - rrddim_set_by_pointer(node->st_allocation_metadata, node->rd_allocation_metadata_free, node->allocation_metadata_total_bytes - node->allocation_metadata_bytes_used - node->allocation_global_rsv_size); - rrddim_set_by_pointer(node->st_allocation_metadata, node->rd_allocation_metadata_used, node->allocation_metadata_bytes_used); - rrddim_set_by_pointer(node->st_allocation_metadata, node->rd_allocation_metadata_reserved, node->allocation_global_rsv_size); - rrdset_done(node->st_allocation_metadata); - } - - // -------------------------------------------------------------------- - // allocation/system - - if(do_allocation_system == CONFIG_BOOLEAN_YES || (do_allocation_system == CONFIG_BOOLEAN_AUTO && node->allocation_system_total_bytes)) { - do_allocation_system = CONFIG_BOOLEAN_YES; - - if(unlikely(!node->st_allocation_system)) { - char id[RRD_ID_LENGTH_MAX + 1], name[RRD_ID_LENGTH_MAX + 1], title[200 + 1]; - - snprintf(id, RRD_ID_LENGTH_MAX, "system_%s", node->id); - snprintf(name, RRD_ID_LENGTH_MAX, "system_%s", node->label); - snprintf(title, 200, "BTRFS System Allocation for %s", node->label); - - netdata_fix_chart_id(id); - netdata_fix_chart_name(name); - - node->st_allocation_system = rrdset_create_localhost( - "btrfs" - , id - , name - , node->label - , "btrfs.system" - , title - , "MB" - , "proc" - , "sys/fs/btrfs" - , 2303 - , update_every - , RRDSET_TYPE_STACKED - ); - - node->rd_allocation_system_free = rrddim_add(node->st_allocation_system, "free", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); - node->rd_allocation_system_used = rrddim_add(node->st_allocation_system, "used", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); - } - else rrdset_next(node->st_allocation_system); - - rrddim_set_by_pointer(node->st_allocation_system, node->rd_allocation_system_free, node->allocation_system_total_bytes - node->allocation_system_bytes_used); - rrddim_set_by_pointer(node->st_allocation_system, node->rd_allocation_system_used, node->allocation_system_bytes_used); - rrdset_done(node->st_allocation_system); - } - } - - return 0; -} - |