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-rw-r--r--sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf_stats.c242
1 files changed, 0 insertions, 242 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf_stats.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf_stats.c
deleted file mode 100644
index 0a86830f71ad..000000000000
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf_stats.c
+++ /dev/null
@@ -1,242 +0,0 @@
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License (the "License").
- * You may not use this file except in compliance with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-
-#include <sys/zfs_context.h>
-#include <sys/dbuf.h>
-#include <sys/dmu_objset.h>
-
-/*
- * Calculate the index of the arc header for the state, disabled by default.
- */
-int zfs_dbuf_state_index = 0;
-
-/*
- * ==========================================================================
- * Dbuf Hash Read Routines
- * ==========================================================================
- */
-typedef struct dbuf_stats_t {
- kmutex_t lock;
- kstat_t *kstat;
- dbuf_hash_table_t *hash;
- int idx;
-} dbuf_stats_t;
-
-static dbuf_stats_t dbuf_stats_hash_table;
-
-static int
-dbuf_stats_hash_table_headers(char *buf, size_t size)
-{
- size = snprintf(buf, size - 1,
- "%-88s | %-124s | %s\n"
- "%-16s %-8s %-8s %-8s %-8s %-8s %-8s %-5s %-5s %5s | "
- "%-5s %-5s %-6s %-8s %-6s %-8s %-12s "
- "%-6s %-6s %-6s %-6s %-6s %-8s %-8s %-8s %-5s | "
- "%-6s %-6s %-8s %-8s %-6s %-6s %-5s %-8s %-8s\n",
- "dbuf", "arcbuf", "dnode", "pool", "objset", "object", "level",
- "blkid", "offset", "dbsize", "meta", "state", "dbholds", "list",
- "atype", "index", "flags", "count", "asize", "access", "mru", "gmru",
- "mfu", "gmfu", "l2", "l2_dattr", "l2_asize", "l2_comp", "aholds",
- "dtype", "btype", "data_bs", "meta_bs", "bsize",
- "lvls", "dholds", "blocks", "dsize");
- buf[size] = '\0';
-
- return (0);
-}
-
-int
-__dbuf_stats_hash_table_data(char *buf, size_t size, dmu_buf_impl_t *db)
-{
- arc_buf_info_t abi = { 0 };
- dmu_object_info_t doi = { 0 };
- dnode_t *dn = DB_DNODE(db);
-
- if (db->db_buf)
- arc_buf_info(db->db_buf, &abi, zfs_dbuf_state_index);
-
- if (dn)
- __dmu_object_info_from_dnode(dn, &doi);
-
- size = snprintf(buf, size - 1,
- "%-16s %-8llu %-8lld %-8lld %-8lld %-8llu %-8llu %-5d %-5d %-5lu | "
- "%-5d %-5d %-6lld 0x%-6x %-6lu %-8llu %-12llu "
- "%-6lu %-6lu %-6lu %-6lu %-6lu %-8llu %-8llu %-8d %-5lu | "
- "%-6d %-6d %-8lu %-8lu %-6llu %-6lu %-5lu %-8llu %-8llu\n",
- /* dmu_buf_impl_t */
- spa_name(dn->dn_objset->os_spa),
- (u_longlong_t)dmu_objset_id(db->db_objset),
- (longlong_t)db->db.db_object,
- (longlong_t)db->db_level,
- (longlong_t)db->db_blkid,
- (u_longlong_t)db->db.db_offset,
- (u_longlong_t)db->db.db_size,
- !!dbuf_is_metadata(db),
- db->db_state,
- (ulong_t)zfs_refcount_count(&db->db_holds),
- /* arc_buf_info_t */
- abi.abi_state_type,
- abi.abi_state_contents,
- (longlong_t)abi.abi_state_index,
- abi.abi_flags,
- (ulong_t)abi.abi_bufcnt,
- (u_longlong_t)abi.abi_size,
- (u_longlong_t)abi.abi_access,
- (ulong_t)abi.abi_mru_hits,
- (ulong_t)abi.abi_mru_ghost_hits,
- (ulong_t)abi.abi_mfu_hits,
- (ulong_t)abi.abi_mfu_ghost_hits,
- (ulong_t)abi.abi_l2arc_hits,
- (u_longlong_t)abi.abi_l2arc_dattr,
- (u_longlong_t)abi.abi_l2arc_asize,
- abi.abi_l2arc_compress,
- (ulong_t)abi.abi_holds,
- /* dmu_object_info_t */
- doi.doi_type,
- doi.doi_bonus_type,
- (ulong_t)doi.doi_data_block_size,
- (ulong_t)doi.doi_metadata_block_size,
- (u_longlong_t)doi.doi_bonus_size,
- (ulong_t)doi.doi_indirection,
- (ulong_t)zfs_refcount_count(&dn->dn_holds),
- (u_longlong_t)doi.doi_fill_count,
- (u_longlong_t)doi.doi_max_offset);
- buf[size] = '\0';
-
- return (size);
-}
-
-static int
-dbuf_stats_hash_table_data(char *buf, size_t size, void *data)
-{
- dbuf_stats_t *dsh = (dbuf_stats_t *)data;
- dbuf_hash_table_t *h = dsh->hash;
- dmu_buf_impl_t *db;
- int length, error = 0;
-
- ASSERT3S(dsh->idx, >=, 0);
- ASSERT3S(dsh->idx, <=, h->hash_table_mask);
- memset(buf, 0, size);
-
- mutex_enter(DBUF_HASH_MUTEX(h, dsh->idx));
- for (db = h->hash_table[dsh->idx]; db != NULL; db = db->db_hash_next) {
- /*
- * Returning ENOMEM will cause the data and header functions
- * to be called with a larger scratch buffers.
- */
- if (size < 512) {
- error = ENOMEM;
- break;
- }
-
- mutex_enter(&db->db_mtx);
- mutex_exit(DBUF_HASH_MUTEX(h, dsh->idx));
-
- length = __dbuf_stats_hash_table_data(buf, size, db);
- buf += length;
- size -= length;
-
- mutex_exit(&db->db_mtx);
- mutex_enter(DBUF_HASH_MUTEX(h, dsh->idx));
- }
- mutex_exit(DBUF_HASH_MUTEX(h, dsh->idx));
-
- return (error);
-}
-
-static void *
-dbuf_stats_hash_table_addr(kstat_t *ksp, off_t n)
-{
- dbuf_stats_t *dsh = ksp->ks_private;
-
- ASSERT(MUTEX_HELD(&dsh->lock));
-
- if (n <= dsh->hash->hash_table_mask) {
- dsh->idx = n;
- return (dsh);
- }
-
- return (NULL);
-}
-
-#ifndef __FreeBSD__
-/*
- * XXX The FreeBSD SPL is missing support for KSTAT_TYPE_RAW
- * we can enable this as soon as that's implemented. See the
- * lindebugfs module for similar callback semantics.
- */
-static void
-dbuf_stats_hash_table_init(dbuf_hash_table_t *hash)
-{
- dbuf_stats_t *dsh = &dbuf_stats_hash_table;
- kstat_t *ksp;
-
- mutex_init(&dsh->lock, NULL, MUTEX_DEFAULT, NULL);
- dsh->hash = hash;
-
- ksp = kstat_create("zfs", 0, "dbufs", "misc",
- KSTAT_TYPE_RAW, 0, KSTAT_FLAG_VIRTUAL);
- dsh->kstat = ksp;
-
- if (ksp) {
- ksp->ks_lock = &dsh->lock;
- ksp->ks_ndata = UINT32_MAX;
- ksp->ks_private = dsh;
- kstat_set_raw_ops(ksp, dbuf_stats_hash_table_headers,
- dbuf_stats_hash_table_data, dbuf_stats_hash_table_addr);
- kstat_install(ksp);
- }
-}
-
-static void
-dbuf_stats_hash_table_destroy(void)
-{
- dbuf_stats_t *dsh = &dbuf_stats_hash_table;
- kstat_t *ksp;
-
- ksp = dsh->kstat;
- if (ksp)
- kstat_delete(ksp);
-
- mutex_destroy(&dsh->lock);
-}
-#else
-static void
-dbuf_stats_hash_table_init(dbuf_hash_table_t *hash)
-{
-}
-
-static void
-dbuf_stats_hash_table_destroy(void)
-{
-}
-#endif
-
-void
-dbuf_stats_init(dbuf_hash_table_t *hash)
-{
- dbuf_stats_hash_table_init(hash);
-}
-
-void
-dbuf_stats_destroy(void)
-{
- dbuf_stats_hash_table_destroy();
-}
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