summaryrefslogtreecommitdiffstats
path: root/collectors/freebsd.plugin/freebsd_kstat_zfs.c
diff options
context:
space:
mode:
Diffstat (limited to 'collectors/freebsd.plugin/freebsd_kstat_zfs.c')
-rw-r--r--collectors/freebsd.plugin/freebsd_kstat_zfs.c304
1 files changed, 304 insertions, 0 deletions
diff --git a/collectors/freebsd.plugin/freebsd_kstat_zfs.c b/collectors/freebsd.plugin/freebsd_kstat_zfs.c
new file mode 100644
index 0000000..02103c6
--- /dev/null
+++ b/collectors/freebsd.plugin/freebsd_kstat_zfs.c
@@ -0,0 +1,304 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "plugin_freebsd.h"
+#include "collectors/proc.plugin/zfs_common.h"
+
+extern struct arcstats arcstats;
+
+// --------------------------------------------------------------------------------------------------------------------
+// kstat.zfs.misc.arcstats
+
+int do_kstat_zfs_misc_arcstats(int update_every, usec_t dt) {
+ (void)dt;
+
+ static int show_zero_charts = -1;
+ if(unlikely(show_zero_charts == -1))
+ show_zero_charts = config_get_boolean_ondemand("plugin:freebsd:zfs_arcstats", "show zero charts", CONFIG_BOOLEAN_NO);
+
+ unsigned long long l2_size;
+ size_t uint64_t_size = sizeof(uint64_t);
+ static struct mibs {
+ int hits[5];
+ int misses[5];
+ int demand_data_hits[5];
+ int demand_data_misses[5];
+ int demand_metadata_hits[5];
+ int demand_metadata_misses[5];
+ int prefetch_data_hits[5];
+ int prefetch_data_misses[5];
+ int prefetch_metadata_hits[5];
+ int prefetch_metadata_misses[5];
+ int mru_hits[5];
+ int mru_ghost_hits[5];
+ int mfu_hits[5];
+ int mfu_ghost_hits[5];
+ int deleted[5];
+ int mutex_miss[5];
+ int evict_skip[5];
+ // int evict_not_enough[5];
+ // int evict_l2_cached[5];
+ // int evict_l2_eligible[5];
+ // int evict_l2_ineligible[5];
+ // int evict_l2_skip[5];
+ int hash_elements[5];
+ int hash_elements_max[5];
+ int hash_collisions[5];
+ int hash_chains[5];
+ int hash_chain_max[5];
+ int p[5];
+ int c[5];
+ int c_min[5];
+ int c_max[5];
+ int size[5];
+ // int hdr_size[5];
+ // int data_size[5];
+ // int metadata_size[5];
+ // int other_size[5];
+ // int anon_size[5];
+ // int anon_evictable_data[5];
+ // int anon_evictable_metadata[5];
+ int mru_size[5];
+ // int mru_evictable_data[5];
+ // int mru_evictable_metadata[5];
+ // int mru_ghost_size[5];
+ // int mru_ghost_evictable_data[5];
+ // int mru_ghost_evictable_metadata[5];
+ int mfu_size[5];
+ // int mfu_evictable_data[5];
+ // int mfu_evictable_metadata[5];
+ // int mfu_ghost_size[5];
+ // int mfu_ghost_evictable_data[5];
+ // int mfu_ghost_evictable_metadata[5];
+ int l2_hits[5];
+ int l2_misses[5];
+ // int l2_feeds[5];
+ // int l2_rw_clash[5];
+ int l2_read_bytes[5];
+ int l2_write_bytes[5];
+ // int l2_writes_sent[5];
+ // int l2_writes_done[5];
+ // int l2_writes_error[5];
+ // int l2_writes_lock_retry[5];
+ // int l2_evict_lock_retry[5];
+ // int l2_evict_reading[5];
+ // int l2_evict_l1cached[5];
+ // int l2_free_on_write[5];
+ // int l2_cdata_free_on_write[5];
+ // int l2_abort_lowmem[5];
+ // int l2_cksum_bad[5];
+ // int l2_io_error[5];
+ int l2_size[5];
+ int l2_asize[5];
+ // int l2_hdr_size[5];
+ // int l2_compress_successes[5];
+ // int l2_compress_zeros[5];
+ // int l2_compress_failures[5];
+ int memory_throttle_count[5];
+ // int duplicate_buffers[5];
+ // int duplicate_buffers_size[5];
+ // int duplicate_reads[5];
+ // int memory_direct_count[5];
+ // int memory_indirect_count[5];
+ // int arc_no_grow[5];
+ // int arc_tempreserve[5];
+ // int arc_loaned_bytes[5];
+ // int arc_prune[5];
+ // int arc_meta_used[5];
+ int arc_meta_limit[5];
+ int arc_meta_max[5];
+ int arc_meta_min[5];
+ int arc_need_free[5];
+ int arc_sys_free[5];
+ } mibs;
+
+ arcstats.l2exist = -1;
+
+ if(unlikely(sysctlbyname("kstat.zfs.misc.arcstats.l2_size", &l2_size, &uint64_t_size, NULL, 0)))
+ return 0;
+
+ if(likely(l2_size))
+ arcstats.l2exist = 1;
+ else
+ arcstats.l2exist = 0;
+
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.hits", mibs.hits, arcstats.hits);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.misses", mibs.misses, arcstats.misses);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.demand_data_hits", mibs.demand_data_hits, arcstats.demand_data_hits);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.demand_data_misses", mibs.demand_data_misses, arcstats.demand_data_misses);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.demand_metadata_hits", mibs.demand_metadata_hits, arcstats.demand_metadata_hits);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.demand_metadata_misses", mibs.demand_metadata_misses, arcstats.demand_metadata_misses);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.prefetch_data_hits", mibs.prefetch_data_hits, arcstats.prefetch_data_hits);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.prefetch_data_misses", mibs.prefetch_data_misses, arcstats.prefetch_data_misses);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.prefetch_metadata_hits", mibs.prefetch_metadata_hits, arcstats.prefetch_metadata_hits);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.prefetch_metadata_misses", mibs.prefetch_metadata_misses, arcstats.prefetch_metadata_misses);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mru_hits", mibs.mru_hits, arcstats.mru_hits);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mru_ghost_hits", mibs.mru_ghost_hits, arcstats.mru_ghost_hits);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mfu_hits", mibs.mfu_hits, arcstats.mfu_hits);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mfu_ghost_hits", mibs.mfu_ghost_hits, arcstats.mfu_ghost_hits);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.deleted", mibs.deleted, arcstats.deleted);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mutex_miss", mibs.mutex_miss, arcstats.mutex_miss);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.evict_skip", mibs.evict_skip, arcstats.evict_skip);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.evict_not_enough", mibs.evict_not_enough, arcstats.evict_not_enough);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.evict_l2_cached", mibs.evict_l2_cached, arcstats.evict_l2_cached);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.evict_l2_eligible", mibs.evict_l2_eligible, arcstats.evict_l2_eligible);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.evict_l2_ineligible", mibs.evict_l2_ineligible, arcstats.evict_l2_ineligible);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.evict_l2_skip", mibs.evict_l2_skip, arcstats.evict_l2_skip);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.hash_elements", mibs.hash_elements, arcstats.hash_elements);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.hash_elements_max", mibs.hash_elements_max, arcstats.hash_elements_max);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.hash_collisions", mibs.hash_collisions, arcstats.hash_collisions);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.hash_chains", mibs.hash_chains, arcstats.hash_chains);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.hash_chain_max", mibs.hash_chain_max, arcstats.hash_chain_max);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.p", mibs.p, arcstats.p);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.c", mibs.c, arcstats.c);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.c_min", mibs.c_min, arcstats.c_min);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.c_max", mibs.c_max, arcstats.c_max);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.size", mibs.size, arcstats.size);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.hdr_size", mibs.hdr_size, arcstats.hdr_size);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.data_size", mibs.data_size, arcstats.data_size);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.metadata_size", mibs.metadata_size, arcstats.metadata_size);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.other_size", mibs.other_size, arcstats.other_size);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.anon_size", mibs.anon_size, arcstats.anon_size);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.anon_evictable_data", mibs.anon_evictable_data, arcstats.anon_evictable_data);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.anon_evictable_metadata", mibs.anon_evictable_metadata, arcstats.anon_evictable_metadata);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mru_size", mibs.mru_size, arcstats.mru_size);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mru_evictable_data", mibs.mru_evictable_data, arcstats.mru_evictable_data);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mru_evictable_metadata", mibs.mru_evictable_metadata, arcstats.mru_evictable_metadata);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mru_ghost_size", mibs.mru_ghost_size, arcstats.mru_ghost_size);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mru_ghost_evictable_data", mibs.mru_ghost_evictable_data, arcstats.mru_ghost_evictable_data);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mru_ghost_evictable_metadata", mibs.mru_ghost_evictable_metadata, arcstats.mru_ghost_evictable_metadata);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mfu_size", mibs.mfu_size, arcstats.mfu_size);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mfu_evictable_data", mibs.mfu_evictable_data, arcstats.mfu_evictable_data);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mfu_evictable_metadata", mibs.mfu_evictable_metadata, arcstats.mfu_evictable_metadata);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mfu_ghost_size", mibs.mfu_ghost_size, arcstats.mfu_ghost_size);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mfu_ghost_evictable_data", mibs.mfu_ghost_evictable_data, arcstats.mfu_ghost_evictable_data);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.mfu_ghost_evictable_metadata", mibs.mfu_ghost_evictable_metadata, arcstats.mfu_ghost_evictable_metadata);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_hits", mibs.l2_hits, arcstats.l2_hits);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_misses", mibs.l2_misses, arcstats.l2_misses);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_feeds", mibs.l2_feeds, arcstats.l2_feeds);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_rw_clash", mibs.l2_rw_clash, arcstats.l2_rw_clash);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_read_bytes", mibs.l2_read_bytes, arcstats.l2_read_bytes);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_write_bytes", mibs.l2_write_bytes, arcstats.l2_write_bytes);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_writes_sent", mibs.l2_writes_sent, arcstats.l2_writes_sent);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_writes_done", mibs.l2_writes_done, arcstats.l2_writes_done);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_writes_error", mibs.l2_writes_error, arcstats.l2_writes_error);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_writes_lock_retry", mibs.l2_writes_lock_retry, arcstats.l2_writes_lock_retry);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_evict_lock_retry", mibs.l2_evict_lock_retry, arcstats.l2_evict_lock_retry);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_evict_reading", mibs.l2_evict_reading, arcstats.l2_evict_reading);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_evict_l1cached", mibs.l2_evict_l1cached, arcstats.l2_evict_l1cached);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_free_on_write", mibs.l2_free_on_write, arcstats.l2_free_on_write);
+ // missing mib: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_cdata_free_on_write", mibs.l2_cdata_free_on_write, arcstats.l2_cdata_free_on_write);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_abort_lowmem", mibs.l2_abort_lowmem, arcstats.l2_abort_lowmem);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_cksum_bad", mibs.l2_cksum_bad, arcstats.l2_cksum_bad);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_io_error", mibs.l2_io_error, arcstats.l2_io_error);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_size", mibs.l2_size, arcstats.l2_size);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_asize", mibs.l2_asize, arcstats.l2_asize);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_hdr_size", mibs.l2_hdr_size, arcstats.l2_hdr_size);
+ // missing mib: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_compress_successes", mibs.l2_compress_successes, arcstats.l2_compress_successes);
+ // missing mib: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_compress_zeros", mibs.l2_compress_zeros, arcstats.l2_compress_zeros);
+ // missing mib: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.l2_compress_failures", mibs.l2_compress_failures, arcstats.l2_compress_failures);
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.memory_throttle_count", mibs.memory_throttle_count, arcstats.memory_throttle_count);
+ // missing mib: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.duplicate_buffers", mibs.duplicate_buffers, arcstats.duplicate_buffers);
+ // missing mib: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.duplicate_buffers_size", mibs.duplicate_buffers_size, arcstats.duplicate_buffers_size);
+ // missing mib: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.duplicate_reads", mibs.duplicate_reads, arcstats.duplicate_reads);
+ // missing mib: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.memory_direct_count", mibs.memory_direct_count, arcstats.memory_direct_count);
+ // missing mib: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.memory_indirect_count", mibs.memory_indirect_count, arcstats.memory_indirect_count);
+ // missing mib: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.arc_no_grow", mibs.arc_no_grow, arcstats.arc_no_grow);
+ // missing mib: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.arc_tempreserve", mibs.arc_tempreserve, arcstats.arc_tempreserve);
+ // missing mib: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.arc_loaned_bytes", mibs.arc_loaned_bytes, arcstats.arc_loaned_bytes);
+ // missing mib: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.arc_prune", mibs.arc_prune, arcstats.arc_prune);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.arc_meta_used", mibs.arc_meta_used, arcstats.arc_meta_used);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.arc_meta_limit", mibs.arc_meta_limit, arcstats.arc_meta_limit);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.arc_meta_max", mibs.arc_meta_max, arcstats.arc_meta_max);
+ // not used: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.arc_meta_min", mibs.arc_meta_min, arcstats.arc_meta_min);
+ // missing mib: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.arc_need_free", mibs.arc_need_free, arcstats.arc_need_free);
+ // missing mib: GETSYSCTL_SIMPLE("kstat.zfs.misc.arcstats.arc_sys_free", mibs.arc_sys_free, arcstats.arc_sys_free);
+
+ generate_charts_arcstats("freebsd", "zfs", show_zero_charts, update_every);
+ generate_charts_arc_summary("freebsd", "zfs", show_zero_charts, update_every);
+
+ return 0;
+}
+
+// --------------------------------------------------------------------------------------------------------------------
+// kstat.zfs.misc.zio_trim
+
+int do_kstat_zfs_misc_zio_trim(int update_every, usec_t dt) {
+ (void)dt;
+ static int mib_bytes[5] = {0, 0, 0, 0, 0}, mib_success[5] = {0, 0, 0, 0, 0},
+ mib_failed[5] = {0, 0, 0, 0, 0}, mib_unsupported[5] = {0, 0, 0, 0, 0};
+ uint64_t bytes, success, failed, unsupported;
+
+ if (unlikely(GETSYSCTL_SIMPLE("kstat.zfs.misc.zio_trim.bytes", mib_bytes, bytes) ||
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.zio_trim.success", mib_success, success) ||
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.zio_trim.failed", mib_failed, failed) ||
+ GETSYSCTL_SIMPLE("kstat.zfs.misc.zio_trim.unsupported", mib_unsupported, unsupported))) {
+ error("DISABLED: zfs.trim_bytes chart");
+ error("DISABLED: zfs.trim_success chart");
+ error("DISABLED: kstat.zfs.misc.zio_trim module");
+ return 1;
+ } else {
+
+ // --------------------------------------------------------------------
+
+ static RRDSET *st_bytes = NULL;
+ static RRDDIM *rd_bytes = NULL;
+
+ if (unlikely(!st_bytes)) {
+ st_bytes = rrdset_create_localhost(
+ "zfs",
+ "trim_bytes",
+ NULL,
+ "trim",
+ NULL,
+ "Successfully TRIMmed bytes",
+ "bytes",
+ "freebsd",
+ "zfs",
+ 2320,
+ update_every,
+ RRDSET_TYPE_LINE
+ );
+
+ rd_bytes = rrddim_add(st_bytes, "TRIMmed", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else rrdset_next(st_bytes);
+
+ rrddim_set_by_pointer(st_bytes, rd_bytes, bytes);
+ rrdset_done(st_bytes);
+
+ // --------------------------------------------------------------------
+
+ static RRDSET *st_requests = NULL;
+ static RRDDIM *rd_successful = NULL, *rd_failed = NULL, *rd_unsupported = NULL;
+
+ if (unlikely(!st_requests)) {
+ st_requests = rrdset_create_localhost(
+ "zfs",
+ "trim_requests",
+ NULL,
+ "trim",
+ NULL,
+ "TRIM requests",
+ "requests",
+ "freebsd",
+ "zfs",
+ 2321,
+ update_every,
+ RRDSET_TYPE_STACKED
+ );
+
+ rd_successful = rrddim_add(st_requests, "successful", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rd_failed = rrddim_add(st_requests, "failed", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rd_unsupported = rrddim_add(st_requests, "unsupported", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else rrdset_next(st_requests);
+
+ rrddim_set_by_pointer(st_requests, rd_successful, success);
+ rrddim_set_by_pointer(st_requests, rd_failed, failed);
+ rrddim_set_by_pointer(st_requests, rd_unsupported, unsupported);
+ rrdset_done(st_requests);
+
+ }
+
+ return 0;
+} \ No newline at end of file