diff options
Diffstat (limited to 'collectors/proc.plugin/sys_fs_btrfs.c')
| -rw-r--r-- | collectors/proc.plugin/sys_fs_btrfs.c | 1155 |
1 files changed, 0 insertions, 1155 deletions
diff --git a/collectors/proc.plugin/sys_fs_btrfs.c b/collectors/proc.plugin/sys_fs_btrfs.c deleted file mode 100644 index f1d6fe720..000000000 --- a/collectors/proc.plugin/sys_fs_btrfs.c +++ /dev/null @@ -1,1155 +0,0 @@ -// SPDX-License-Identifier: GPL-3.0-or-later - -#include "plugin_proc.h" - -#define PLUGIN_PROC_MODULE_BTRFS_NAME "/sys/fs/btrfs" - -typedef struct btrfs_disk { - char *name; - uint32_t hash; - int exists; - - char *size_filename; - unsigned long long size; - - struct btrfs_disk *next; -} BTRFS_DISK; - -typedef struct btrfs_device { - int id; - int exists; - - char *error_stats_filename; - RRDSET *st_error_stats; - RRDDIM *rd_write_errs; - RRDDIM *rd_read_errs; - RRDDIM *rd_flush_errs; - RRDDIM *rd_corruption_errs; - RRDDIM *rd_generation_errs; - collected_number write_errs; - collected_number read_errs; - collected_number flush_errs; - collected_number corruption_errs; - collected_number generation_errs; - - struct btrfs_device *next; -} BTRFS_DEVICE; - -typedef struct btrfs_node { - int exists; - int logged_error; - - char *id; - uint32_t hash; - - char *label; - - #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) - - // -------------------------------------------------------------------- - // commit stats - - char *commit_stats_filename; - - RRDSET *st_commits; - RRDDIM *rd_commits; - long long commits_total; - collected_number commits_new; - - RRDSET *st_commits_percentage_time; - RRDDIM *rd_commits_percentage_time; - long long commit_timings_total; - long long commits_percentage_time; - - RRDSET *st_commit_timings; - RRDDIM *rd_commit_timings_last; - RRDDIM *rd_commit_timings_max; - collected_number commit_timings_last; - collected_number commit_timings_max; - - BTRFS_DISK *disks; - - BTRFS_DEVICE *devices; - - struct btrfs_node *next; -} BTRFS_NODE; - -static BTRFS_NODE *nodes = NULL; - -static inline int collect_btrfs_error_stats(BTRFS_DEVICE *device){ - char buffer[120 + 1]; - - int ret = read_file(device->error_stats_filename, buffer, 120); - if(unlikely(ret)) { - collector_error("BTRFS: failed to read '%s'", device->error_stats_filename); - device->write_errs = 0; - device->read_errs = 0; - device->flush_errs = 0; - device->corruption_errs = 0; - device->generation_errs = 0; - return ret; - } - - char *p = buffer; - while(p){ - char *val = strsep_skip_consecutive_separators(&p, "\n"); - if(unlikely(!val || !*val)) break; - char *key = strsep_skip_consecutive_separators(&val, " "); - - if(!strcmp(key, "write_errs")) device->write_errs = str2ull(val, NULL); - else if(!strcmp(key, "read_errs")) device->read_errs = str2ull(val, NULL); - else if(!strcmp(key, "flush_errs")) device->flush_errs = str2ull(val, NULL); - else if(!strcmp(key, "corruption_errs")) device->corruption_errs = str2ull(val, NULL); - else if(!strcmp(key, "generation_errs")) device->generation_errs = str2ull(val, NULL); - } - return 0; -} - -static inline int collect_btrfs_commits_stats(BTRFS_NODE *node, int update_every){ - char buffer[120 + 1]; - - int ret = read_file(node->commit_stats_filename, buffer, 120); - if(unlikely(ret)) { - collector_error("BTRFS: failed to read '%s'", node->commit_stats_filename); - node->commits_total = 0; - node->commits_new = 0; - node->commit_timings_last = 0; - node->commit_timings_max = 0; - node->commit_timings_total = 0; - node->commits_percentage_time = 0; - - return ret; - } - - char *p = buffer; - while(p){ - char *val = strsep_skip_consecutive_separators(&p, "\n"); - if(unlikely(!val || !*val)) break; - char *key = strsep_skip_consecutive_separators(&val, " "); - - if(!strcmp(key, "commits")){ - long long commits_total_new = str2ull(val, NULL); - if(likely(node->commits_total)){ - if((node->commits_new = commits_total_new - node->commits_total)) - node->commits_total = commits_total_new; - } else node->commits_total = commits_total_new; - } - else if(!strcmp(key, "last_commit_ms")) node->commit_timings_last = str2ull(val, NULL); - else if(!strcmp(key, "max_commit_ms")) node->commit_timings_max = str2ull(val, NULL); - else if(!strcmp(key, "total_commit_ms")) { - long long commit_timings_total_new = str2ull(val, NULL); - if(likely(node->commit_timings_total)){ - long time_delta = commit_timings_total_new - node->commit_timings_total; - if(time_delta){ - node->commits_percentage_time = time_delta * 10 / update_every; - node->commit_timings_total = commit_timings_total_new; - } else node->commits_percentage_time = 0; - - } else node->commit_timings_total = commit_timings_total_new; - } - } - return 0; -} - -static inline void btrfs_free_commits_stats(BTRFS_NODE *node){ - if(node->st_commits){ - rrdset_is_obsolete___safe_from_collector_thread(node->st_commits); - rrdset_is_obsolete___safe_from_collector_thread(node->st_commit_timings); - } - freez(node->commit_stats_filename); - node->commit_stats_filename = NULL; -} - -static inline void btrfs_free_disk(BTRFS_DISK *d) { - freez(d->name); - freez(d->size_filename); - freez(d); -} - -static inline void btrfs_free_device(BTRFS_DEVICE *d) { - if(d->st_error_stats) - rrdset_is_obsolete___safe_from_collector_thread(d->st_error_stats); - freez(d->error_stats_filename); - freez(d); -} - -static inline void btrfs_free_node(BTRFS_NODE *node) { - // collector_info("BTRFS: destroying '%s'", node->id); - - if(node->st_allocation_disks) - rrdset_is_obsolete___safe_from_collector_thread(node->st_allocation_disks); - - if(node->st_allocation_data) - rrdset_is_obsolete___safe_from_collector_thread(node->st_allocation_data); - - if(node->st_allocation_metadata) - rrdset_is_obsolete___safe_from_collector_thread(node->st_allocation_metadata); - - if(node->st_allocation_system) - rrdset_is_obsolete___safe_from_collector_thread(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); - - btrfs_free_commits_stats(node); - - while(node->disks) { - BTRFS_DISK *d = node->disks; - node->disks = node->disks->next; - btrfs_free_disk(d); - } - - while(node->devices) { - BTRFS_DEVICE *d = node->devices; - node->devices = node->devices->next; - btrfs_free_device(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) { - collector_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, "..") - ) { - // collector_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); - - // 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) { - collector_error("BTRFS: failed to read '%s'", d->size_filename); - d->exists = 0; - continue; - } - - // /sys/block/<name>/size is in fixed-size sectors of 512 bytes - // https://github.com/torvalds/linux/blob/v6.2/block/genhd.c#L946-L950 - // https://github.com/torvalds/linux/blob/v6.2/include/linux/types.h#L120-L121 - // (also see #3481, #3483) - node->all_disks_total += d->size * 512; - } - 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_btrfs_devices(BTRFS_NODE *node, const char *path) { - char filename[FILENAME_MAX + 1]; - - BTRFS_DEVICE *d; - for(d = node->devices ; d ; d = d->next) - d->exists = 0; - - DIR *dir = opendir(path); - if (!dir) { - if(!node->logged_error) { - collector_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_DIR - || !strcmp(de->d_name, ".") - || !strcmp(de->d_name, "..") - ) { - // collector_info("BTRFS: ignoring '%s'", de->d_name); - continue; - } - - // internal_error("BTRFS: device found '%s'", de->d_name); - - // -------------------------------------------------------------------- - // search for it - - for(d = node->devices ; d ; d = d->next) { - if(str2ll(de->d_name, NULL) == d->id){ - // collector_info("BTRFS: existing device id '%d'", d->id); - break; - } - } - - // -------------------------------------------------------------------- - // did we find it? - - if(!d) { - d = callocz(sizeof(BTRFS_DEVICE), 1); - - d->id = str2ll(de->d_name, NULL); - // collector_info("BTRFS: new device with id '%d'", d->id); - - snprintfz(filename, FILENAME_MAX, "%s/%d/error_stats", path, d->id); - d->error_stats_filename = strdupz(filename); - // collector_info("BTRFS: error_stats_filename '%s'", filename); - - // link it - d->next = node->devices; - node->devices = d; - } - - d->exists = 1; - - - // -------------------------------------------------------------------- - // update the values - - if(unlikely(collect_btrfs_error_stats(d))) - d->exists = 0; // 'd' will be garbaged collected in loop below - } - closedir(dir); - - // ------------------------------------------------------------------------ - // cleanup - - BTRFS_DEVICE *last = NULL; - d = node->devices; - - while(d) { - if(unlikely(!d->exists)) { - if(unlikely(node->devices == d)) { - node->devices = d->next; - btrfs_free_device(d); - d = node->devices; - last = NULL; - } - else { - last->next = d->next; - btrfs_free_device(d); - d = last->next; - } - - continue; - } - - last = d; - d = d->next; - } - - return 0; -} - - -static inline int find_all_btrfs_pools(const char *path, int update_every) { - 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) { - collector_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") - ) { - // collector_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) { - // collector_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); - - // update devices - snprintfz(filename, FILENAME_MAX, "%s/%s/devinfo", path, de->d_name); - find_btrfs_devices(node, filename); - - continue; - } - - // collector_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); - if(read_file(filename, label, FILENAME_MAX) != 0) { - collector_error("BTRFS: failed to read '%s'", filename); - btrfs_free_node(node); - continue; - } - - char *s = label; - if (s[0]) - s = trim(label); - - if(s && s[0]) - node->label = strdupz(s); - else - node->label = strdupz(node->id); - } - - // -------------------------------------------------------------------- - // 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) {\ - collector_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) {\ - collector_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); - - // -------------------------------------------------------------------- - // commit stats - - snprintfz(filename, FILENAME_MAX, "%s/%s/commit_stats", path, de->d_name); - if(!node->commit_stats_filename) node->commit_stats_filename = strdupz(filename); - if(unlikely(collect_btrfs_commits_stats(node, update_every))){ - collector_error("BTRFS: failed to collect commit stats for '%s'", node->id); - btrfs_free_commits_stats(node); - } - - // -------------------------------------------------------------------- - // 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); - - // -------------------------------------------------------------------- - // find all devices related to this node - - snprintfz(filename, FILENAME_MAX, "%s/%s/devinfo", path, de->d_name); - find_btrfs_devices(node, filename); - - // -------------------------------------------------------------------- - // link it - - // collector_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; -} - -static void add_labels_to_btrfs(BTRFS_NODE *n, RRDSET *st) { - rrdlabels_add(st->rrdlabels, "filesystem_uuid", n->id, RRDLABEL_SRC_AUTO); - rrdlabels_add(st->rrdlabels, "filesystem_label", n->label, RRDLABEL_SRC_AUTO); -} - -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 - , do_commit_stats = CONFIG_BOOLEAN_AUTO - , do_error_stats = 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); - do_commit_stats = config_get_boolean_ondemand("plugin:proc:/sys/fs/btrfs", "commit stats", do_commit_stats); - do_error_stats = config_get_boolean_ondemand("plugin:proc:/sys/fs/btrfs", "error stats", do_error_stats); - } - - refresh_delta += dt; - if(refresh_delta >= refresh_every) { - refresh_delta = 0; - find_all_btrfs_pools(btrfs_path, update_every); - } - - 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) { - collector_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) { - collector_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 - ) { - collector_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) { - collector_error("BTRFS: failed to collect allocation/system for '%s'", node->id); - // make it refresh btrfs at the next iteration - refresh_delta = refresh_every; - continue; - } - } - - if(do_commit_stats != CONFIG_BOOLEAN_NO && node->commit_stats_filename) { - if (unlikely(collect_btrfs_commits_stats(node, update_every))) { - collector_error("BTRFS: failed to collect commit stats for '%s'", node->id); - btrfs_free_commits_stats(node); - } - } - - if(do_error_stats != CONFIG_BOOLEAN_NO) { - for(BTRFS_DEVICE *d = node->devices ; d ; d = d->next) { - if(unlikely(collect_btrfs_error_stats(d))){ - collector_error("BTRFS: failed to collect error stats for '%s', devid:'%d'", node->id, d->id); - /* make it refresh btrfs at the next iteration, - * btrfs_free_device(d) will be called in - * find_btrfs_devices() as part of the garbage collection */ - refresh_delta = refresh_every; - } - } - } - - // -------------------------------------------------------------------- - // allocation/disks - - if(do_allocation_disks == CONFIG_BOOLEAN_YES || (do_allocation_disks == CONFIG_BOOLEAN_AUTO && - ((node->all_disks_total && node->allocation_data_disk_total) || - netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) { - 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]; - - snprintfz(id, RRD_ID_LENGTH_MAX, "disk_%s", node->id); - snprintfz(name, RRD_ID_LENGTH_MAX, "disk_%s", node->label); - snprintfz(title, sizeof(title) - 1, "BTRFS Physical Disk Allocation"); - - 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 - , "MiB" - , PLUGIN_PROC_NAME - , PLUGIN_PROC_MODULE_BTRFS_NAME - , NETDATA_CHART_PRIO_BTRFS_DISK - , 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_free = rrddim_add(node->st_allocation_disks, "data_free", "data free", 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_metadata_free = rrddim_add(node->st_allocation_disks, "meta_free", "meta 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_system_free = rrddim_add(node->st_allocation_disks, "sys_free", "sys 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); - - add_labels_to_btrfs(node, 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 || - netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) { - 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]; - - snprintfz(id, RRD_ID_LENGTH_MAX, "data_%s", node->id); - snprintfz(name, RRD_ID_LENGTH_MAX, "data_%s", node->label); - snprintfz(title, sizeof(title) - 1, "BTRFS Data Allocation"); - - 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 - , "MiB" - , PLUGIN_PROC_NAME - , PLUGIN_PROC_MODULE_BTRFS_NAME - , NETDATA_CHART_PRIO_BTRFS_DATA - , 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); - - add_labels_to_btrfs(node, 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 || - netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) { - 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]; - - snprintfz(id, RRD_ID_LENGTH_MAX, "metadata_%s", node->id); - snprintfz(name, RRD_ID_LENGTH_MAX, "metadata_%s", node->label); - snprintfz(title, sizeof(title) - 1, "BTRFS Metadata Allocation"); - - 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 - , "MiB" - , PLUGIN_PROC_NAME - , PLUGIN_PROC_MODULE_BTRFS_NAME - , NETDATA_CHART_PRIO_BTRFS_METADATA - , 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); - - add_labels_to_btrfs(node, 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 || - netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) { - 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]; - - snprintfz(id, RRD_ID_LENGTH_MAX, "system_%s", node->id); - snprintfz(name, RRD_ID_LENGTH_MAX, "system_%s", node->label); - snprintfz(title, sizeof(title) - 1, "BTRFS System Allocation"); - - 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 - , "MiB" - , PLUGIN_PROC_NAME - , PLUGIN_PROC_MODULE_BTRFS_NAME - , NETDATA_CHART_PRIO_BTRFS_SYSTEM - , 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); - - add_labels_to_btrfs(node, 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); - } - - // -------------------------------------------------------------------- - // commit_stats - - if(do_commit_stats == CONFIG_BOOLEAN_YES || (do_commit_stats == CONFIG_BOOLEAN_AUTO && - (node->commits_total || - netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) { - do_commit_stats = CONFIG_BOOLEAN_YES; - - if(unlikely(!node->st_commits)) { - char id[RRD_ID_LENGTH_MAX + 1], name[RRD_ID_LENGTH_MAX + 1], title[200 + 1]; - - snprintfz(id, RRD_ID_LENGTH_MAX, "commits_%s", node->id); - snprintfz(name, RRD_ID_LENGTH_MAX, "commits_%s", node->label); - snprintfz(title, sizeof(title) - 1, "BTRFS Commits"); - - netdata_fix_chart_id(id); - netdata_fix_chart_name(name); - - node->st_commits = rrdset_create_localhost( - "btrfs" - , id - , name - , node->label - , "btrfs.commits" - , title - , "commits" - , PLUGIN_PROC_NAME - , PLUGIN_PROC_MODULE_BTRFS_NAME - , NETDATA_CHART_PRIO_BTRFS_COMMITS - , update_every - , RRDSET_TYPE_LINE - ); - - node->rd_commits = rrddim_add(node->st_commits, "commits", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - - add_labels_to_btrfs(node, node->st_commits); - } - - rrddim_set_by_pointer(node->st_commits, node->rd_commits, node->commits_new); - rrdset_done(node->st_commits); - - if(unlikely(!node->st_commits_percentage_time)) { - char id[RRD_ID_LENGTH_MAX + 1], name[RRD_ID_LENGTH_MAX + 1], title[200 + 1]; - - snprintfz(id, RRD_ID_LENGTH_MAX, "commits_perc_time_%s", node->id); - snprintfz(name, RRD_ID_LENGTH_MAX, "commits_perc_time_%s", node->label); - snprintfz(title, sizeof(title) - 1, "BTRFS Commits Time Share"); - - netdata_fix_chart_id(id); - netdata_fix_chart_name(name); - - node->st_commits_percentage_time = rrdset_create_localhost( - "btrfs" - , id - , name - , node->label - , "btrfs.commits_perc_time" - , title - , "percentage" - , PLUGIN_PROC_NAME - , PLUGIN_PROC_MODULE_BTRFS_NAME - , NETDATA_CHART_PRIO_BTRFS_COMMITS_PERC_TIME - , update_every - , RRDSET_TYPE_LINE - ); - - node->rd_commits_percentage_time = rrddim_add(node->st_commits_percentage_time, "commits", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE); - - add_labels_to_btrfs(node, node->st_commits_percentage_time); - } - - rrddim_set_by_pointer(node->st_commits_percentage_time, node->rd_commits_percentage_time, node->commits_percentage_time); - rrdset_done(node->st_commits_percentage_time); - - - if(unlikely(!node->st_commit_timings)) { - char id[RRD_ID_LENGTH_MAX + 1], name[RRD_ID_LENGTH_MAX + 1], title[200 + 1]; - - snprintfz(id, RRD_ID_LENGTH_MAX, "commit_timings_%s", node->id); - snprintfz(name, RRD_ID_LENGTH_MAX, "commit_timings_%s", node->label); - snprintfz(title, sizeof(title) - 1, "BTRFS Commit Timings"); - - netdata_fix_chart_id(id); - netdata_fix_chart_name(name); - - node->st_commit_timings = rrdset_create_localhost( - "btrfs" - , id - , name - , node->label - , "btrfs.commit_timings" - , title - , "ms" - , PLUGIN_PROC_NAME - , PLUGIN_PROC_MODULE_BTRFS_NAME - , NETDATA_CHART_PRIO_BTRFS_COMMIT_TIMINGS - , update_every - , RRDSET_TYPE_LINE - ); - - node->rd_commit_timings_last = rrddim_add(node->st_commit_timings, "last", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - node->rd_commit_timings_max = rrddim_add(node->st_commit_timings, "max", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - - add_labels_to_btrfs(node, node->st_commit_timings); - } - - rrddim_set_by_pointer(node->st_commit_timings, node->rd_commit_timings_last, node->commit_timings_last); - rrddim_set_by_pointer(node->st_commit_timings, node->rd_commit_timings_max, node->commit_timings_max); - rrdset_done(node->st_commit_timings); - } - - // -------------------------------------------------------------------- - // error_stats per device - - if(do_error_stats == CONFIG_BOOLEAN_YES || (do_error_stats == CONFIG_BOOLEAN_AUTO && - (node->devices || - netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) { - do_error_stats = CONFIG_BOOLEAN_YES; - - for(BTRFS_DEVICE *d = node->devices ; d ; d = d->next) { - - if(unlikely(!d->st_error_stats)) { - char id[RRD_ID_LENGTH_MAX + 1], name[RRD_ID_LENGTH_MAX + 1], title[200 + 1]; - - snprintfz(id, RRD_ID_LENGTH_MAX, "device_errors_dev%d_%s", d->id, node->id); - snprintfz(name, RRD_ID_LENGTH_MAX, "device_errors_dev%d_%s", d->id, node->label); - snprintfz(title, sizeof(title) - 1, "BTRFS Device Errors"); - - netdata_fix_chart_id(id); - netdata_fix_chart_name(name); - - d->st_error_stats = rrdset_create_localhost( - "btrfs" - , id - , name - , node->label - , "btrfs.device_errors" - , title - , "errors" - , PLUGIN_PROC_NAME - , PLUGIN_PROC_MODULE_BTRFS_NAME - , NETDATA_CHART_PRIO_BTRFS_ERRORS - , update_every - , RRDSET_TYPE_LINE - ); - - char rd_id[RRD_ID_LENGTH_MAX + 1]; - snprintfz(rd_id, RRD_ID_LENGTH_MAX, "write_errs"); - d->rd_write_errs = rrddim_add(d->st_error_stats, rd_id, NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - snprintfz(rd_id, RRD_ID_LENGTH_MAX, "read_errs"); - d->rd_read_errs = rrddim_add(d->st_error_stats, rd_id, NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - snprintfz(rd_id, RRD_ID_LENGTH_MAX, "flush_errs"); - d->rd_flush_errs = rrddim_add(d->st_error_stats, rd_id, NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - snprintfz(rd_id, RRD_ID_LENGTH_MAX, "corruption_errs"); - d->rd_corruption_errs = rrddim_add(d->st_error_stats, rd_id, NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - snprintfz(rd_id, RRD_ID_LENGTH_MAX, "generation_errs"); - d->rd_generation_errs = rrddim_add(d->st_error_stats, rd_id, NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); - - char dev_id[5]; - snprintfz(dev_id, 4, "%d", d->id); - rrdlabels_add(d->st_error_stats->rrdlabels, "device_id", dev_id, RRDLABEL_SRC_AUTO); - add_labels_to_btrfs(node, d->st_error_stats); - } - - rrddim_set_by_pointer(d->st_error_stats, d->rd_write_errs, d->write_errs); - rrddim_set_by_pointer(d->st_error_stats, d->rd_read_errs, d->read_errs); - rrddim_set_by_pointer(d->st_error_stats, d->rd_flush_errs, d->flush_errs); - rrddim_set_by_pointer(d->st_error_stats, d->rd_corruption_errs, d->corruption_errs); - rrddim_set_by_pointer(d->st_error_stats, d->rd_generation_errs, d->generation_errs); - - rrdset_done(d->st_error_stats); - } - } - } - - return 0; -} - |