// SPDX-License-Identifier: GPL-3.0-or-later #include "zfs_common.h" struct arcstats arcstats = { 0 }; void generate_charts_arcstats(const char *plugin, const char *module, int show_zero_charts, int update_every) { static int do_arc_size = -1, do_l2_size = -1, do_reads = -1, do_l2bytes = -1, do_ahits = -1, do_dhits = -1, \ do_phits = -1, do_mhits = -1, do_l2hits = -1, do_list_hits = -1; if(unlikely(do_arc_size == -1)) do_arc_size = do_l2_size = do_reads = do_l2bytes = do_ahits = do_dhits = do_phits = do_mhits \ = do_l2hits = do_list_hits = show_zero_charts; // ARC reads unsigned long long aread = arcstats.hits + arcstats.misses; // Demand reads unsigned long long dhit = arcstats.demand_data_hits + arcstats.demand_metadata_hits; unsigned long long dmiss = arcstats.demand_data_misses + arcstats.demand_metadata_misses; unsigned long long dread = dhit + dmiss; // Prefetch reads unsigned long long phit = arcstats.prefetch_data_hits + arcstats.prefetch_metadata_hits; unsigned long long pmiss = arcstats.prefetch_data_misses + arcstats.prefetch_metadata_misses; unsigned long long pread = phit + pmiss; // Metadata reads unsigned long long mhit = arcstats.prefetch_metadata_hits + arcstats.demand_metadata_hits; unsigned long long mmiss = arcstats.prefetch_metadata_misses + arcstats.demand_metadata_misses; unsigned long long mread = mhit + mmiss; // l2 reads unsigned long long l2hit = arcstats.l2_hits; unsigned long long l2miss = arcstats.l2_misses; unsigned long long l2read = l2hit + l2miss; // -------------------------------------------------------------------- if(do_arc_size == CONFIG_BOOLEAN_YES || arcstats.size || arcstats.c || arcstats.c_min || arcstats.c_max) { do_arc_size = CONFIG_BOOLEAN_YES; static RRDSET *st_arc_size = NULL; static RRDDIM *rd_arc_size = NULL; static RRDDIM *rd_arc_target_size = NULL; static RRDDIM *rd_arc_target_min_size = NULL; static RRDDIM *rd_arc_target_max_size = NULL; if (unlikely(!st_arc_size)) { st_arc_size = rrdset_create_localhost( "zfs" , "arc_size" , NULL , ZFS_FAMILY_SIZE , NULL , "ZFS ARC Size" , "MiB" , plugin , module , NETDATA_CHART_PRIO_ZFS_ARC_SIZE , update_every , RRDSET_TYPE_AREA ); rd_arc_size = rrddim_add(st_arc_size, "size", "arcsz", 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); rd_arc_target_size = rrddim_add(st_arc_size, "target", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); rd_arc_target_min_size = rrddim_add(st_arc_size, "min", "min (hard limit)", 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); rd_arc_target_max_size = rrddim_add(st_arc_size, "max", "max (high water)", 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); } else rrdset_next(st_arc_size); rrddim_set_by_pointer(st_arc_size, rd_arc_size, arcstats.size); rrddim_set_by_pointer(st_arc_size, rd_arc_target_size, arcstats.c); rrddim_set_by_pointer(st_arc_size, rd_arc_target_min_size, arcstats.c_min); rrddim_set_by_pointer(st_arc_size, rd_arc_target_max_size, arcstats.c_max); rrdset_done(st_arc_size); } // -------------------------------------------------------------------- if(likely(arcstats.l2exist) && (do_l2_size == CONFIG_BOOLEAN_YES || arcstats.l2_size || arcstats.l2_asize)) { do_l2_size = CONFIG_BOOLEAN_YES; static RRDSET *st_l2_size = NULL; static RRDDIM *rd_l2_size = NULL; static RRDDIM *rd_l2_asize = NULL; if (unlikely(!st_l2_size)) { st_l2_size = rrdset_create_localhost( "zfs" , "l2_size" , NULL , ZFS_FAMILY_SIZE , NULL , "ZFS L2 ARC Size" , "MiB" , plugin , module , NETDATA_CHART_PRIO_ZFS_L2_SIZE , update_every , RRDSET_TYPE_AREA ); rd_l2_asize = rrddim_add(st_l2_size, "actual", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); rd_l2_size = rrddim_add(st_l2_size, "size", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE); } else rrdset_next(st_l2_size); rrddim_set_by_pointer(st_l2_size, rd_l2_size, arcstats.l2_size); rrddim_set_by_pointer(st_l2_size, rd_l2_asize, arcstats.l2_asize); rrdset_done(st_l2_size); } // -------------------------------------------------------------------- if(likely(do_reads == CONFIG_BOOLEAN_YES || aread || dread || pread || mread || l2read)) { do_reads = CONFIG_BOOLEAN_YES; static RRDSET *st_reads = NULL; static RRDDIM *rd_aread = NULL; static RRDDIM *rd_dread = NULL; static RRDDIM *rd_pread = NULL; static RRDDIM *rd_mread = NULL; static RRDDIM *rd_l2read = NULL; if (unlikely(!st_reads)) { st_reads = rrdset_create_localhost( "zfs" , "reads" , NULL , ZFS_FAMILY_ACCESSES , NULL , "ZFS Reads" , "reads/s" , plugin , module , NETDATA_CHART_PRIO_ZFS_READS , update_every , RRDSET_TYPE_AREA ); rd_aread = rrddim_add(st_reads, "areads", "arc", 1, 1, RRD_ALGORITHM_INCREMENTAL); rd_dread = rrddim_add(st_reads, "dreads", "demand", 1, 1, RRD_ALGORITHM_INCREMENTAL); rd_pread = rrddim_add(st_reads, "preads", "prefetch", 1, 1, RRD_ALGORITHM_INCREMENTAL); rd_mread = rrddim_add(st_reads, "mreads", "metadata", 1, 1, RRD_ALGORITHM_INCREMENTAL); if(arcstats.l2exist) rd_l2read = rrddim_add(st_reads, "l2reads", "l2", 1, 1, RRD_ALGORITHM_INCREMENTAL); } else rrdset_next(st_reads); rrddim_set_by_pointer(st_reads, rd_aread, aread); rrddim_set_by_pointer(st_reads, rd_dread, dread); rrddim_set_by_pointer(st_reads, rd_pread, pread); rrddim_set_by_pointer(st_reads, rd_mread, mread); if(arcstats.l2exist) rrddim_set_by_pointer(st_reads, rd_l2read, l2read); rrdset_done(st_reads); } // -------------------------------------------------------------------- if(likely(arcstats.l2exist && (do_l2bytes == CONFIG_BOOLEAN_YES || arcstats.l2_read_bytes || arcstats.l2_write_bytes))) { do_l2bytes = CONFIG_BOOLEAN_YES; static RRDSET *st_l2bytes = NULL; static RRDDIM *rd_l2_read_bytes = NULL; static RRDDIM *rd_l2_write_bytes = NULL; if (unlikely(!st_l2bytes)) { st_l2bytes = rrdset_create_localhost( "zfs" , "bytes" , NULL , ZFS_FAMILY_ACCESSES , NULL , "ZFS ARC L2 Read/Write Rate" , "KiB/s" , plugin , module , NETDATA_CHART_PRIO_ZFS_IO , update_every , RRDSET_TYPE_AREA ); rd_l2_read_bytes = rrddim_add(st_l2bytes, "read", NULL, 1, 1024, RRD_ALGORITHM_INCREMENTAL); rd_l2_write_bytes = rrddim_add(st_l2bytes, "write", NULL, -1, 1024, RRD_ALGORITHM_INCREMENTAL); } else rrdset_next(st_l2bytes); rrddim_set_by_pointer(st_l2bytes, rd_l2_read_bytes, arcstats.l2_read_bytes); rrddim_set_by_pointer(st_l2bytes, rd_l2_write_bytes, arcstats.l2_write_bytes); rrdset_done(st_l2bytes); } // -------------------------------------------------------------------- if(likely(do_ahits == CONFIG_BOOLEAN_YES || arcstats.hits || arcstats.misses)) { do_ahits = CONFIG_BOOLEAN_YES; static RRDSET *st_ahits = NULL; static RRDDIM *rd_ahits = NULL; static RRDDIM *rd_amisses = NULL; if (unlikely(!st_ahits)) { st_ahits = rrdset_create_localhost( "zfs" , "hits" , NULL , ZFS_FAMILY_EFFICIENCY , NULL , "ZFS ARC Hits" , "percentage" , plugin , module , NETDATA_CHART_PRIO_ZFS_HITS , update_every , RRDSET_TYPE_STACKED ); rd_ahits = rrddim_add(st_ahits, "hits", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); rd_amisses = rrddim_add(st_ahits, "misses", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); } else rrdset_next(st_ahits); rrddim_set_by_pointer(st_ahits, rd_ahits, arcstats.hits); rrddim_set_by_pointer(st_ahits, rd_amisses, arcstats.misses); rrdset_done(st_ahits); } // -------------------------------------------------------------------- if(likely(do_dhits == CONFIG_BOOLEAN_YES || dhit || dmiss)) { do_dhits = CONFIG_BOOLEAN_YES; static RRDSET *st_dhits = NULL; static RRDDIM *rd_dhits = NULL; static RRDDIM *rd_dmisses = NULL; if (unlikely(!st_dhits)) { st_dhits = rrdset_create_localhost( "zfs" , "dhits" , NULL , ZFS_FAMILY_EFFICIENCY , NULL , "ZFS Demand Hits" , "percentage" , plugin , module , NETDATA_CHART_PRIO_ZFS_DHITS , update_every , RRDSET_TYPE_STACKED ); rd_dhits = rrddim_add(st_dhits, "hits", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); rd_dmisses = rrddim_add(st_dhits, "misses", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); } else rrdset_next(st_dhits); rrddim_set_by_pointer(st_dhits, rd_dhits, dhit); rrddim_set_by_pointer(st_dhits, rd_dmisses, dmiss); rrdset_done(st_dhits); } // -------------------------------------------------------------------- if(likely(do_phits == CONFIG_BOOLEAN_YES || phit || pmiss)) { do_phits = CONFIG_BOOLEAN_YES; static RRDSET *st_phits = NULL; static RRDDIM *rd_phits = NULL; static RRDDIM *rd_pmisses = NULL; if (unlikely(!st_phits)) { st_phits = rrdset_create_localhost( "zfs" , "phits" , NULL , ZFS_FAMILY_EFFICIENCY , NULL , "ZFS Prefetch Hits" , "percentage" , plugin , module , NETDATA_CHART_PRIO_ZFS_PHITS , update_every , RRDSET_TYPE_STACKED ); rd_phits = rrddim_add(st_phits, "hits", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); rd_pmisses = rrddim_add(st_phits, "misses", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); } else rrdset_next(st_phits); rrddim_set_by_pointer(st_phits, rd_phits, phit); rrddim_set_by_pointer(st_phits, rd_pmisses, pmiss); rrdset_done(st_phits); } // -------------------------------------------------------------------- if(likely(do_mhits == CONFIG_BOOLEAN_YES || mhit || mmiss)) { do_mhits = CONFIG_BOOLEAN_YES; static RRDSET *st_mhits = NULL; static RRDDIM *rd_mhits = NULL; static RRDDIM *rd_mmisses = NULL; if (unlikely(!st_mhits)) { st_mhits = rrdset_create_localhost( "zfs" , "mhits" , NULL , ZFS_FAMILY_EFFICIENCY , NULL , "ZFS Metadata Hits" , "percentage" , plugin , module , NETDATA_CHART_PRIO_ZFS_MHITS , update_every , RRDSET_TYPE_STACKED ); rd_mhits = rrddim_add(st_mhits, "hits", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); rd_mmisses = rrddim_add(st_mhits, "misses", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); } else rrdset_next(st_mhits); rrddim_set_by_pointer(st_mhits, rd_mhits, mhit); rrddim_set_by_pointer(st_mhits, rd_mmisses, mmiss); rrdset_done(st_mhits); } // -------------------------------------------------------------------- if(likely(arcstats.l2exist && (do_l2hits == CONFIG_BOOLEAN_YES || l2hit || l2miss))) { do_l2hits = CONFIG_BOOLEAN_YES; static RRDSET *st_l2hits = NULL; static RRDDIM *rd_l2hits = NULL; static RRDDIM *rd_l2misses = NULL; if (unlikely(!st_l2hits)) { st_l2hits = rrdset_create_localhost( "zfs" , "l2hits" , NULL , ZFS_FAMILY_EFFICIENCY , NULL , "ZFS L2 Hits" , "percentage" , plugin , module , NETDATA_CHART_PRIO_ZFS_L2HITS , update_every , RRDSET_TYPE_STACKED ); rd_l2hits = rrddim_add(st_l2hits, "hits", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); rd_l2misses = rrddim_add(st_l2hits, "misses", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); } else rrdset_next(st_l2hits); rrddim_set_by_pointer(st_l2hits, rd_l2hits, l2hit); rrddim_set_by_pointer(st_l2hits, rd_l2misses, l2miss); rrdset_done(st_l2hits); } // -------------------------------------------------------------------- if(likely(do_list_hits == CONFIG_BOOLEAN_YES || arcstats.mfu_hits \ || arcstats.mru_hits \ || arcstats.mfu_ghost_hits \ || arcstats.mru_ghost_hits)) { do_list_hits = CONFIG_BOOLEAN_YES; static RRDSET *st_list_hits = NULL; static RRDDIM *rd_mfu = NULL; static RRDDIM *rd_mru = NULL; static RRDDIM *rd_mfug = NULL; static RRDDIM *rd_mrug = NULL; if (unlikely(!st_list_hits)) { st_list_hits = rrdset_create_localhost( "zfs" , "list_hits" , NULL , ZFS_FAMILY_EFFICIENCY , NULL , "ZFS List Hits" , "hits/s" , plugin , module , NETDATA_CHART_PRIO_ZFS_LIST_HITS , update_every , RRDSET_TYPE_AREA ); rd_mfu = rrddim_add(st_list_hits, "mfu", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); rd_mfug = rrddim_add(st_list_hits, "mfug", "mfu ghost", 1, 1, RRD_ALGORITHM_INCREMENTAL); rd_mru = rrddim_add(st_list_hits, "mru", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); rd_mrug = rrddim_add(st_list_hits, "mrug", "mru ghost", 1, 1, RRD_ALGORITHM_INCREMENTAL); } else rrdset_next(st_list_hits); rrddim_set_by_pointer(st_list_hits, rd_mfu, arcstats.mfu_hits); rrddim_set_by_pointer(st_list_hits, rd_mru, arcstats.mru_hits); rrddim_set_by_pointer(st_list_hits, rd_mfug, arcstats.mfu_ghost_hits); rrddim_set_by_pointer(st_list_hits, rd_mrug, arcstats.mru_ghost_hits); rrdset_done(st_list_hits); } } void generate_charts_arc_summary(const char *plugin, const char *module, int show_zero_charts, int update_every) { static int do_arc_size_breakdown = -1, do_memory = -1, do_important_ops = -1, do_actual_hits = -1, \ do_demand_data_hits = -1, do_prefetch_data_hits = -1, do_hash_elements = -1, do_hash_chains = -1; if(unlikely(do_arc_size_breakdown == -1)) do_arc_size_breakdown = do_memory = do_important_ops = do_actual_hits = do_demand_data_hits \ = do_prefetch_data_hits = do_hash_elements = do_hash_chains = show_zero_charts; unsigned long long arc_accesses_total = arcstats.hits + arcstats.misses; unsigned long long real_hits = arcstats.mfu_hits + arcstats.mru_hits; unsigned long long real_misses = arc_accesses_total - real_hits; //unsigned long long anon_hits = arcstats.hits - (arcstats.mfu_hits + arcstats.mru_hits + arcstats.mfu_ghost_hits + arcstats.mru_ghost_hits); unsigned long long arc_size = arcstats.size; unsigned long long mru_size = arcstats.p; //unsigned long long target_min_size = arcstats.c_min; //unsigned long long target_max_size = arcstats.c_max; unsigned long long target_size = arcstats.c; //unsigned long long target_size_ratio = (target_max_size / target_min_size); unsigned long long mfu_size; if(arc_size > target_size) mfu_size = arc_size - mru_size; else mfu_size = target_size - mru_size; // -------------------------------------------------------------------- if(likely(do_arc_size_breakdown == CONFIG_BOOLEAN_YES || mru_size || mfu_size)) { do_arc_size_breakdown = CONFIG_BOOLEAN_YES; static RRDSET *st_arc_size_breakdown = NULL; static RRDDIM *rd_most_recent = NULL; static RRDDIM *rd_most_frequent = NULL; if (unlikely(!st_arc_size_breakdown)) { st_arc_size_breakdown = rrdset_create_localhost( "zfs" , "arc_size_breakdown" , NULL , ZFS_FAMILY_EFFICIENCY , NULL , "ZFS ARC Size Breakdown" , "percentage" , plugin , module , NETDATA_CHART_PRIO_ZFS_ARC_SIZE_BREAKDOWN , update_every , RRDSET_TYPE_STACKED ); rd_most_recent = rrddim_add(st_arc_size_breakdown, "recent", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL); rd_most_frequent = rrddim_add(st_arc_size_breakdown, "frequent", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_ROW_TOTAL); } else rrdset_next(st_arc_size_breakdown); rrddim_set_by_pointer(st_arc_size_breakdown, rd_most_recent, mru_size); rrddim_set_by_pointer(st_arc_size_breakdown, rd_most_frequent, mfu_size); rrdset_done(st_arc_size_breakdown); } // -------------------------------------------------------------------- if(likely(do_memory == CONFIG_BOOLEAN_YES || arcstats.memory_direct_count \ || arcstats.memory_throttle_count \ || arcstats.memory_indirect_count)) { do_memory = CONFIG_BOOLEAN_YES; static RRDSET *st_memory = NULL; #ifndef __FreeBSD__ static RRDDIM *rd_direct = NULL; #endif static RRDDIM *rd_throttled = NULL; #ifndef __FreeBSD__ static RRDDIM *rd_indirect = NULL; #endif if (unlikely(!st_memory)) { st_memory = rrdset_create_localhost( "zfs" , "memory_ops" , NULL , ZFS_FAMILY_OPERATIONS , NULL , "ZFS Memory Operations" , "operations/s" , plugin , module , NETDATA_CHART_PRIO_ZFS_MEMORY_OPS , update_every , RRDSET_TYPE_LINE ); #ifndef __FreeBSD__ rd_direct = rrddim_add(st_memory, "direct", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); #endif rd_throttled = rrddim_add(st_memory, "throttled", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); #ifndef __FreeBSD__ rd_indirect = rrddim_add(st_memory, "indirect", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); #endif } else rrdset_next(st_memory); #ifndef __FreeBSD__ rrddim_set_by_pointer(st_memory, rd_direct, arcstats.memory_direct_count); #endif rrddim_set_by_pointer(st_memory, rd_throttled, arcstats.memory_throttle_count); #ifndef __FreeBSD__ rrddim_set_by_pointer(st_memory, rd_indirect, arcstats.memory_indirect_count); #endif rrdset_done(st_memory); } // -------------------------------------------------------------------- if(likely(do_important_ops == CONFIG_BOOLEAN_YES || arcstats.deleted \ || arcstats.evict_skip \ || arcstats.mutex_miss \ || arcstats.hash_collisions)) { do_important_ops = CONFIG_BOOLEAN_YES; static RRDSET *st_important_ops = NULL; static RRDDIM *rd_deleted = NULL; static RRDDIM *rd_mutex_misses = NULL; static RRDDIM *rd_evict_skips = NULL; static RRDDIM *rd_hash_collisions = NULL; if (unlikely(!st_important_ops)) { st_important_ops = rrdset_create_localhost( "zfs" , "important_ops" , NULL , ZFS_FAMILY_OPERATIONS , NULL , "ZFS Important Operations" , "operations/s" , plugin , module , NETDATA_CHART_PRIO_ZFS_IMPORTANT_OPS , update_every , RRDSET_TYPE_LINE ); rd_evict_skips = rrddim_add(st_important_ops, "eskip", "evict skip", 1, 1, RRD_ALGORITHM_INCREMENTAL); rd_deleted = rrddim_add(st_important_ops, "deleted", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL); rd_mutex_misses = rrddim_add(st_important_ops, "mtxmis", "mutex miss", 1, 1, RRD_ALGORITHM_INCREMENTAL); rd_hash_collisions = rrddim_add(st_important_ops, "hash_collisions", "hash collisions", 1, 1, RRD_ALGORITHM_INCREMENTAL); } else rrdset_next(st_important_ops); rrddim_set_by_pointer(st_important_ops, rd_deleted, arcstats.deleted); rrddim_set_by_pointer(st_important_ops, rd_evict_skips, arcstats.evict_skip); rrddim_set_by_pointer(st_important_ops, rd_mutex_misses, arcstats.mutex_miss); rrddim_set_by_pointer(st_important_ops, rd_hash_collisions, arcstats.hash_collisions); rrdset_done(st_important_ops); } // -------------------------------------------------------------------- if(likely(do_actual_hits == CONFIG_BOOLEAN_YES || real_hits || real_misses)) { do_actual_hits = CONFIG_BOOLEAN_YES; static RRDSET *st_actual_hits = NULL; static RRDDIM *rd_actual_hits = NULL; static RRDDIM *rd_actual_misses = NULL; if (unlikely(!st_actual_hits)) { st_actual_hits = rrdset_create_localhost( "zfs" , "actual_hits" , NULL , ZFS_FAMILY_EFFICIENCY , NULL , "ZFS Actual Cache Hits" , "percentage" , plugin , module , NETDATA_CHART_PRIO_ZFS_ACTUAL_HITS , update_every , RRDSET_TYPE_STACKED ); rd_actual_hits = rrddim_add(st_actual_hits, "hits", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); rd_actual_misses = rrddim_add(st_actual_hits, "misses", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); } else rrdset_next(st_actual_hits); rrddim_set_by_pointer(st_actual_hits, rd_actual_hits, real_hits); rrddim_set_by_pointer(st_actual_hits, rd_actual_misses, real_misses); rrdset_done(st_actual_hits); } // -------------------------------------------------------------------- if(likely(do_demand_data_hits == CONFIG_BOOLEAN_YES || arcstats.demand_data_hits || arcstats.demand_data_misses)) { do_demand_data_hits = CONFIG_BOOLEAN_YES; static RRDSET *st_demand_data_hits = NULL; static RRDDIM *rd_demand_data_hits = NULL; static RRDDIM *rd_demand_data_misses = NULL; if (unlikely(!st_demand_data_hits)) { st_demand_data_hits = rrdset_create_localhost( "zfs" , "demand_data_hits" , NULL , ZFS_FAMILY_EFFICIENCY , NULL , "ZFS Data Demand Efficiency" , "percentage" , plugin , module , NETDATA_CHART_PRIO_ZFS_DEMAND_DATA_HITS , update_every , RRDSET_TYPE_STACKED ); rd_demand_data_hits = rrddim_add(st_demand_data_hits, "hits", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); rd_demand_data_misses = rrddim_add(st_demand_data_hits, "misses", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); } else rrdset_next(st_demand_data_hits); rrddim_set_by_pointer(st_demand_data_hits, rd_demand_data_hits, arcstats.demand_data_hits); rrddim_set_by_pointer(st_demand_data_hits, rd_demand_data_misses, arcstats.demand_data_misses); rrdset_done(st_demand_data_hits); } // -------------------------------------------------------------------- if(likely(do_prefetch_data_hits == CONFIG_BOOLEAN_YES || arcstats.prefetch_data_hits \ || arcstats.prefetch_data_misses)) { do_prefetch_data_hits = CONFIG_BOOLEAN_YES; static RRDSET *st_prefetch_data_hits = NULL; static RRDDIM *rd_prefetch_data_hits = NULL; static RRDDIM *rd_prefetch_data_misses = NULL; if (unlikely(!st_prefetch_data_hits)) { st_prefetch_data_hits = rrdset_create_localhost( "zfs" , "prefetch_data_hits" , NULL , ZFS_FAMILY_EFFICIENCY , NULL , "ZFS Data Prefetch Efficiency" , "percentage" , plugin , module , NETDATA_CHART_PRIO_ZFS_PREFETCH_DATA_HITS , update_every , RRDSET_TYPE_STACKED ); rd_prefetch_data_hits = rrddim_add(st_prefetch_data_hits, "hits", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); rd_prefetch_data_misses = rrddim_add(st_prefetch_data_hits, "misses", NULL, 1, 1, RRD_ALGORITHM_PCENT_OVER_DIFF_TOTAL); } else rrdset_next(st_prefetch_data_hits); rrddim_set_by_pointer(st_prefetch_data_hits, rd_prefetch_data_hits, arcstats.prefetch_data_hits); rrddim_set_by_pointer(st_prefetch_data_hits, rd_prefetch_data_misses, arcstats.prefetch_data_misses); rrdset_done(st_prefetch_data_hits); } // -------------------------------------------------------------------- if(likely(do_hash_elements == CONFIG_BOOLEAN_YES || arcstats.hash_elements || arcstats.hash_elements_max)) { do_hash_elements = CONFIG_BOOLEAN_YES; static RRDSET *st_hash_elements = NULL; static RRDDIM *rd_hash_elements_current = NULL; static RRDDIM *rd_hash_elements_max = NULL; if (unlikely(!st_hash_elements)) { st_hash_elements = rrdset_create_localhost( "zfs" , "hash_elements" , NULL , ZFS_FAMILY_HASH , NULL , "ZFS ARC Hash Elements" , "elements" , plugin , module , NETDATA_CHART_PRIO_ZFS_HASH_ELEMENTS , update_every , RRDSET_TYPE_LINE ); rd_hash_elements_current = rrddim_add(st_hash_elements, "current", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); rd_hash_elements_max = rrddim_add(st_hash_elements, "max", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); } else rrdset_next(st_hash_elements); rrddim_set_by_pointer(st_hash_elements, rd_hash_elements_current, arcstats.hash_elements); rrddim_set_by_pointer(st_hash_elements, rd_hash_elements_max, arcstats.hash_elements_max); rrdset_done(st_hash_elements); } // -------------------------------------------------------------------- if(likely(do_hash_chains == CONFIG_BOOLEAN_YES || arcstats.hash_chains || arcstats.hash_chain_max)) { do_hash_chains = CONFIG_BOOLEAN_YES; static RRDSET *st_hash_chains = NULL; static RRDDIM *rd_hash_chains_current = NULL; static RRDDIM *rd_hash_chains_max = NULL; if (unlikely(!st_hash_chains)) { st_hash_chains = rrdset_create_localhost( "zfs" , "hash_chains" , NULL , ZFS_FAMILY_HASH , NULL , "ZFS ARC Hash Chains" , "chains" , plugin , module , NETDATA_CHART_PRIO_ZFS_HASH_CHAINS , update_every , RRDSET_TYPE_LINE ); rd_hash_chains_current = rrddim_add(st_hash_chains, "current", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); rd_hash_chains_max = rrddim_add(st_hash_chains, "max", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE); } else rrdset_next(st_hash_chains); rrddim_set_by_pointer(st_hash_chains, rd_hash_chains_current, arcstats.hash_chains); rrddim_set_by_pointer(st_hash_chains, rd_hash_chains_max, arcstats.hash_chain_max); rrdset_done(st_hash_chains); } // -------------------------------------------------------------------- }