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authorunknown <tim@threads.polyesthetic.msg>2001-03-04 19:42:05 -0500
committerunknown <tim@threads.polyesthetic.msg>2001-03-04 19:42:05 -0500
commitec6ae091617bdfdca9e65e8d3e65b950d234f676 (patch)
tree9dd732e08dba156ee3d7635caedc0dc3107ecac6 /bdb/db_stat
parent87d70fb598105b64b538ff6b81eef9da626255b1 (diff)
downloadmariadb-git-ec6ae091617bdfdca9e65e8d3e65b950d234f676.tar.gz
Import changeset
Diffstat (limited to 'bdb/db_stat')
-rw-r--r--bdb/db_stat/db_stat.c989
1 files changed, 989 insertions, 0 deletions
diff --git a/bdb/db_stat/db_stat.c b/bdb/db_stat/db_stat.c
new file mode 100644
index 00000000000..9d80caa4889
--- /dev/null
+++ b/bdb/db_stat/db_stat.c
@@ -0,0 +1,989 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1996, 1997, 1998, 1999, 2000
+ * Sleepycat Software. All rights reserved.
+ */
+
+#include "db_config.h"
+
+#ifndef lint
+static const char copyright[] =
+ "Copyright (c) 1996-2000\nSleepycat Software Inc. All rights reserved.\n";
+static const char revid[] =
+ "$Id: db_stat.c,v 11.42 2001/01/18 18:36:59 bostic Exp $";
+#endif
+
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#if TIME_WITH_SYS_TIME
+#include <sys/time.h>
+#include <time.h>
+#else
+#if HAVE_SYS_TIME_H
+#include <sys/time.h>
+#else
+#include <time.h>
+#endif
+#endif
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#endif
+
+#include "db_int.h"
+#include "db_page.h"
+#include "db_shash.h"
+#include "lock.h"
+#include "mp.h"
+
+#define PCT(f, t, pgsize) \
+ ((t) == 0 ? 0 : \
+ (((double)(((t) * (pgsize)) - (f)) / ((t) * (pgsize))) * 100))
+
+typedef enum { T_NOTSET, T_DB, T_ENV, T_LOCK, T_LOG, T_MPOOL, T_TXN } test_t;
+
+int argcheck __P((char *, const char *));
+int btree_stats __P((DB_ENV *, DB *, DB_BTREE_STAT *));
+int db_init __P((char *, test_t));
+void dl __P((const char *, u_long));
+void dl_bytes __P((const char *, u_long, u_long, u_long));
+int env_stats __P((DB_ENV *));
+int hash_stats __P((DB_ENV *, DB *));
+int lock_ok __P((char *));
+int lock_stats __P((DB_ENV *));
+int log_stats __P((DB_ENV *));
+int main __P((int, char *[]));
+int mpool_ok __P((char *));
+int mpool_stats __P((DB_ENV *));
+void prflags __P((u_int32_t, const FN *));
+int queue_stats __P((DB_ENV *, DB *));
+int txn_compare __P((const void *, const void *));
+int txn_stats __P((DB_ENV *));
+void usage __P((void));
+void version_check __P((void));
+
+DB_ENV *dbenv;
+char *internal;
+const char
+ *progname = "db_stat"; /* Program name. */
+
+int
+main(argc, argv)
+ int argc;
+ char *argv[];
+{
+ extern char *optarg;
+ extern int optind;
+ DB_BTREE_STAT *sp;
+ DB *alt_dbp, *dbp;
+ test_t ttype;
+ int ch, checked, d_close, e_close, exitval, nflag, ret;
+ char *db, *home, *subdb;
+
+ version_check();
+
+ dbp = NULL;
+ ttype = T_NOTSET;
+ nflag = 0;
+ d_close = e_close = exitval = 0;
+ db = home = subdb = NULL;
+ while ((ch = getopt(argc, argv, "C:cd:eh:lM:mNs:tV")) != EOF)
+ switch (ch) {
+ case 'C':
+ ttype = T_LOCK;
+ if (!argcheck(internal = optarg, "Acflmo"))
+ usage();
+ break;
+ case 'c':
+ ttype = T_LOCK;
+ break;
+ case 'd':
+ db = optarg;
+ ttype = T_DB;
+ break;
+ case 'e':
+ ttype = T_ENV;
+ break;
+ case 'h':
+ home = optarg;
+ break;
+ case 'l':
+ ttype = T_LOG;
+ break;
+ case 'M':
+ ttype = T_MPOOL;
+ if (!argcheck(internal = optarg, "Ahlm"))
+ usage();
+ break;
+ case 'm':
+ ttype = T_MPOOL;
+ break;
+ case 'N':
+ nflag = 1;
+ if ((ret = db_env_set_panicstate(0)) != 0) {
+ fprintf(stderr,
+ "%s: db_env_set_panicstate: %s\n",
+ progname, db_strerror(ret));
+ return (1);
+ }
+ break;
+ case 's':
+ subdb = optarg;
+ ttype = T_DB;
+ break;
+ case 't':
+ ttype = T_TXN;
+ break;
+ case 'V':
+ printf("%s\n", db_version(NULL, NULL, NULL));
+ exit(0);
+ case '?':
+ default:
+ usage();
+ }
+ argc -= optind;
+ argv += optind;
+
+ switch (ttype) {
+ case T_DB:
+ if (db == NULL)
+ usage();
+ break;
+ case T_NOTSET:
+ usage();
+ /* NOTREACHED */
+ default:
+ break;
+ }
+
+ /* Handle possible interruptions. */
+ __db_util_siginit();
+
+ /*
+ * Create an environment object and initialize it for error
+ * reporting.
+ */
+ if ((ret = db_env_create(&dbenv, 0)) != 0) {
+ fprintf(stderr,
+ "%s: db_env_create: %s\n", progname, db_strerror(ret));
+ goto shutdown;
+ }
+ e_close = 1;
+
+ dbenv->set_errfile(dbenv, stderr);
+ dbenv->set_errpfx(dbenv, progname);
+
+ if (nflag && (ret = dbenv->set_mutexlocks(dbenv, 0)) != 0) {
+ dbenv->err(dbenv, ret, "set_mutexlocks");
+ goto shutdown;
+ }
+
+ /* Initialize the environment. */
+ if (db_init(home, ttype) != 0)
+ goto shutdown;
+
+ switch (ttype) {
+ case T_DB:
+ /* Create the DB object and open the file. */
+ if ((ret = db_create(&dbp, dbenv, 0)) != 0) {
+ dbenv->err(dbenv, ret, "db_create");
+ goto shutdown;
+ }
+
+ if ((ret =
+ dbp->open(dbp, db, subdb, DB_UNKNOWN, DB_RDONLY, 0)) != 0) {
+ dbp->err(dbp, ret, "open: %s", db);
+ goto shutdown;
+ }
+
+ /*
+ * See if we can open this db read/write to update counts.
+ * If its a master-db then we cannot. So check to see,
+ * if its btree then it might be.
+ */
+ checked = 0;
+ if (subdb == NULL && dbp->type == DB_BTREE) {
+ if ((ret = dbp->stat(dbp, &sp, NULL, 0)) != 0) {
+ dbp->err(dbp, ret, "dbp->stat");
+ return (1);
+ }
+ checked = 1;
+ }
+
+ if (subdb != NULL ||
+ dbp->type != DB_BTREE ||
+ (sp->bt_metaflags & BTM_SUBDB) == 0) {
+ if ((ret = db_create(&alt_dbp, dbenv, 0)) != 0) {
+ dbenv->err(dbenv, ret, "db_create");
+ goto shutdown;
+ }
+ if ((ret = dbp->open(alt_dbp,
+ db, subdb, DB_UNKNOWN, 0, 0)) == 0) {
+ (void)dbp->close(dbp, 0);
+ dbp = alt_dbp;
+ }
+ /* Need to run again to update counts */
+ checked = 0;
+ }
+
+ d_close = 1;
+ switch (dbp->type) {
+ case DB_BTREE:
+ case DB_RECNO:
+ if (btree_stats(dbenv, dbp, checked == 1 ? sp : NULL))
+ goto shutdown;
+ break;
+ case DB_HASH:
+ if (hash_stats(dbenv, dbp))
+ goto shutdown;
+ break;
+ case DB_QUEUE:
+ if (queue_stats(dbenv, dbp))
+ goto shutdown;
+ break;
+ case DB_UNKNOWN:
+ abort(); /* Impossible. */
+ /* NOTREACHED */
+ }
+ break;
+ case T_ENV:
+ if (env_stats(dbenv))
+ exitval = 1;
+ break;
+ case T_LOCK:
+ if (lock_stats(dbenv))
+ exitval = 1;
+ break;
+ case T_LOG:
+ if (log_stats(dbenv))
+ exitval = 1;
+ break;
+ case T_MPOOL:
+ if (mpool_stats(dbenv))
+ exitval = 1;
+ break;
+ case T_TXN:
+ if (txn_stats(dbenv))
+ exitval = 1;
+ break;
+ case T_NOTSET:
+ abort(); /* Impossible. */
+ /* NOTREACHED */
+ }
+
+ if (0) {
+shutdown: exitval = 1;
+ }
+ if (d_close && (ret = dbp->close(dbp, 0)) != 0) {
+ exitval = 1;
+ dbp->err(dbp, ret, "close");
+ }
+ if (e_close && (ret = dbenv->close(dbenv, 0)) != 0) {
+ exitval = 1;
+ fprintf(stderr,
+ "%s: dbenv->close: %s\n", progname, db_strerror(ret));
+ }
+
+ /* Resend any caught signal. */
+ __db_util_sigresend();
+
+ return (exitval);
+}
+
+/*
+ * env_stats --
+ * Display environment statistics.
+ */
+int
+env_stats(dbenvp)
+ DB_ENV *dbenvp;
+{
+ REGENV renv;
+ REGION *rp, regs[1024];
+ int n, ret;
+ const char *lable;
+
+ n = sizeof(regs) / sizeof(regs[0]);
+ if ((ret = __db_e_stat(dbenvp, &renv, regs, &n)) != 0) {
+ dbenvp->err(dbenvp, ret, "__db_e_stat");
+ return (1);
+ }
+
+ printf("%d.%d.%d\tEnvironment version.\n",
+ renv.majver, renv.minver, renv.patch);
+ printf("%lx\tMagic number.\n", (u_long)renv.magic);
+ printf("%d\tPanic value.\n", renv.panic);
+
+ /* Adjust the reference count for us... */
+ printf("%d\tReferences.\n", renv.refcnt - 1);
+
+ dl("Locks granted without waiting.\n",
+ (u_long)renv.mutex.mutex_set_nowait);
+ dl("Locks granted after waiting.\n",
+ (u_long)renv.mutex.mutex_set_wait);
+
+ while (n > 0) {
+ printf("%s\n", DB_LINE);
+ rp = &regs[--n];
+ switch (rp->type) {
+ case REGION_TYPE_ENV:
+ lable = "Environment";
+ break;
+ case REGION_TYPE_LOCK:
+ lable = "Lock";
+ break;
+ case REGION_TYPE_LOG:
+ lable = "Log";
+ break;
+ case REGION_TYPE_MPOOL:
+ lable = "Mpool";
+ break;
+ case REGION_TYPE_MUTEX:
+ lable = "Mutex";
+ break;
+ case REGION_TYPE_TXN:
+ lable = "Txn";
+ break;
+ case INVALID_REGION_TYPE:
+ default:
+ lable = "Invalid";
+ break;
+ }
+ printf("%s Region: %d.\n", lable, rp->id);
+ dl_bytes("Size", (u_long)0, (u_long)0, (u_long)rp->size);
+ printf("%ld\tSegment ID.\n", rp->segid);
+ dl("Locks granted without waiting.\n",
+ (u_long)rp->mutex.mutex_set_nowait);
+ dl("Locks granted after waiting.\n",
+ (u_long)rp->mutex.mutex_set_wait);
+ }
+
+ return (0);
+}
+
+/*
+ * btree_stats --
+ * Display btree/recno statistics.
+ */
+int
+btree_stats(dbenvp, dbp, msp)
+ DB_ENV *dbenvp;
+ DB *dbp;
+ DB_BTREE_STAT *msp;
+{
+ static const FN fn[] = {
+ { BTM_DUP, "duplicates" },
+ { BTM_FIXEDLEN, "fixed-length" },
+ { BTM_RECNO, "recno" },
+ { BTM_RECNUM, "record-numbers" },
+ { BTM_RENUMBER, "renumber" },
+ { BTM_SUBDB, "multiple-databases" },
+ { 0, NULL }
+ };
+ DB_BTREE_STAT *sp;
+ int ret;
+
+ COMPQUIET(dbenvp, NULL);
+
+ if (msp != NULL)
+ sp = msp;
+ else if ((ret = dbp->stat(dbp, &sp, NULL, 0)) != 0) {
+ dbp->err(dbp, ret, "dbp->stat");
+ return (1);
+ }
+
+ printf("%lx\tBtree magic number.\n", (u_long)sp->bt_magic);
+ printf("%lu\tBtree version number.\n", (u_long)sp->bt_version);
+ prflags(sp->bt_metaflags, fn);
+ if (dbp->type == DB_BTREE) {
+#ifdef NOT_IMPLEMENTED
+ dl("Maximum keys per-page.\n", (u_long)sp->bt_maxkey);
+#endif
+ dl("Minimum keys per-page.\n", (u_long)sp->bt_minkey);
+ }
+ if (dbp->type == DB_RECNO) {
+ dl("Fixed-length record size.\n", (u_long)sp->bt_re_len);
+ if (isprint(sp->bt_re_pad) && !isspace(sp->bt_re_pad))
+ printf("%c\tFixed-length record pad.\n",
+ (int)sp->bt_re_pad);
+ else
+ printf("0x%x\tFixed-length record pad.\n",
+ (int)sp->bt_re_pad);
+ }
+ dl("Underlying database page size.\n", (u_long)sp->bt_pagesize);
+ dl("Number of levels in the tree.\n", (u_long)sp->bt_levels);
+ dl(dbp->type == DB_BTREE ?
+ "Number of unique keys in the tree.\n" :
+ "Number of records in the tree.\n", (u_long)sp->bt_nkeys);
+ dl("Number of data items in the tree.\n", (u_long)sp->bt_ndata);
+
+ dl("Number of tree internal pages.\n", (u_long)sp->bt_int_pg);
+ dl("Number of bytes free in tree internal pages",
+ (u_long)sp->bt_int_pgfree);
+ printf(" (%.0f%% ff).\n",
+ PCT(sp->bt_int_pgfree, sp->bt_int_pg, sp->bt_pagesize));
+
+ dl("Number of tree leaf pages.\n", (u_long)sp->bt_leaf_pg);
+ dl("Number of bytes free in tree leaf pages",
+ (u_long)sp->bt_leaf_pgfree);
+ printf(" (%.0f%% ff).\n",
+ PCT(sp->bt_leaf_pgfree, sp->bt_leaf_pg, sp->bt_pagesize));
+
+ dl("Number of tree duplicate pages.\n", (u_long)sp->bt_dup_pg);
+ dl("Number of bytes free in tree duplicate pages",
+ (u_long)sp->bt_dup_pgfree);
+ printf(" (%.0f%% ff).\n",
+ PCT(sp->bt_dup_pgfree, sp->bt_dup_pg, sp->bt_pagesize));
+
+ dl("Number of tree overflow pages.\n", (u_long)sp->bt_over_pg);
+ dl("Number of bytes free in tree overflow pages",
+ (u_long)sp->bt_over_pgfree);
+ printf(" (%.0f%% ff).\n",
+ PCT(sp->bt_over_pgfree, sp->bt_over_pg, sp->bt_pagesize));
+
+ dl("Number of pages on the free list.\n", (u_long)sp->bt_free);
+
+ return (0);
+}
+
+/*
+ * hash_stats --
+ * Display hash statistics.
+ */
+int
+hash_stats(dbenvp, dbp)
+ DB_ENV *dbenvp;
+ DB *dbp;
+{
+ static const FN fn[] = {
+ { DB_HASH_DUP, "duplicates" },
+ { DB_HASH_SUBDB,"multiple-databases" },
+ { 0, NULL }
+ };
+ DB_HASH_STAT *sp;
+ int ret;
+
+ COMPQUIET(dbenvp, NULL);
+
+ if ((ret = dbp->stat(dbp, &sp, NULL, 0)) != 0) {
+ dbp->err(dbp, ret, "dbp->stat");
+ return (1);
+ }
+
+ printf("%lx\tHash magic number.\n", (u_long)sp->hash_magic);
+ printf("%lu\tHash version number.\n", (u_long)sp->hash_version);
+ prflags(sp->hash_metaflags, fn);
+ dl("Underlying database page size.\n", (u_long)sp->hash_pagesize);
+ dl("Number of keys in the database.\n", (u_long)sp->hash_nkeys);
+ dl("Number of data items in the database.\n", (u_long)sp->hash_ndata);
+
+ dl("Number of hash buckets.\n", (u_long)sp->hash_buckets);
+ dl("Number of bytes free on bucket pages", (u_long)sp->hash_bfree);
+ printf(" (%.0f%% ff).\n",
+ PCT(sp->hash_bfree, sp->hash_buckets, sp->hash_pagesize));
+
+ dl("Number of overflow pages.\n", (u_long)sp->hash_bigpages);
+ dl("Number of bytes free in overflow pages",
+ (u_long)sp->hash_big_bfree);
+ printf(" (%.0f%% ff).\n",
+ PCT(sp->hash_big_bfree, sp->hash_bigpages, sp->hash_pagesize));
+
+ dl("Number of bucket overflow pages.\n", (u_long)sp->hash_overflows);
+ dl("Number of bytes free in bucket overflow pages",
+ (u_long)sp->hash_ovfl_free);
+ printf(" (%.0f%% ff).\n",
+ PCT(sp->hash_ovfl_free, sp->hash_overflows, sp->hash_pagesize));
+
+ dl("Number of duplicate pages.\n", (u_long)sp->hash_dup);
+ dl("Number of bytes free in duplicate pages",
+ (u_long)sp->hash_dup_free);
+ printf(" (%.0f%% ff).\n",
+ PCT(sp->hash_dup_free, sp->hash_dup, sp->hash_pagesize));
+
+ dl("Number of pages on the free list.\n", (u_long)sp->hash_free);
+
+ return (0);
+}
+
+/*
+ * queue_stats --
+ * Display queue statistics.
+ */
+int
+queue_stats(dbenvp, dbp)
+ DB_ENV *dbenvp;
+ DB *dbp;
+{
+ DB_QUEUE_STAT *sp;
+ int ret;
+
+ COMPQUIET(dbenvp, NULL);
+
+ if ((ret = dbp->stat(dbp, &sp, NULL, 0)) != 0) {
+ dbp->err(dbp, ret, "dbp->stat");
+ return (1);
+ }
+
+ printf("%lx\tQueue magic number.\n", (u_long)sp->qs_magic);
+ printf("%lu\tQueue version number.\n", (u_long)sp->qs_version);
+ dl("Fixed-length record size.\n", (u_long)sp->qs_re_len);
+ if (isprint(sp->qs_re_pad) && !isspace(sp->qs_re_pad))
+ printf("%c\tFixed-length record pad.\n", (int)sp->qs_re_pad);
+ else
+ printf("0x%x\tFixed-length record pad.\n", (int)sp->qs_re_pad);
+ dl("Underlying database page size.\n", (u_long)sp->qs_pagesize);
+ dl("Number of records in the database.\n", (u_long)sp->qs_nkeys);
+ dl("Number of database pages.\n", (u_long)sp->qs_pages);
+ dl("Number of bytes free in database pages", (u_long)sp->qs_pgfree);
+ printf(" (%.0f%% ff).\n",
+ PCT(sp->qs_pgfree, sp->qs_pages, sp->qs_pagesize));
+ printf("%lu\tFirst undeleted record.\n", (u_long)sp->qs_first_recno);
+ printf(
+ "%lu\tLast allocated record number.\n", (u_long)sp->qs_cur_recno);
+
+ return (0);
+}
+
+/*
+ * lock_stats --
+ * Display lock statistics.
+ */
+int
+lock_stats(dbenvp)
+ DB_ENV *dbenvp;
+{
+ DB_LOCK_STAT *sp;
+ int ret;
+
+ if (internal != NULL) {
+ __lock_dump_region(dbenvp, internal, stdout);
+ return (0);
+ }
+
+ if ((ret = lock_stat(dbenvp, &sp, NULL)) != 0) {
+ dbenvp->err(dbenvp, ret, NULL);
+ return (1);
+ }
+
+ dl("Last allocated locker ID.\n", (u_long)sp->st_lastid);
+ dl("Number of lock modes.\n", (u_long)sp->st_nmodes);
+ dl("Maximum number of locks possible.\n", (u_long)sp->st_maxlocks);
+ dl("Maximum number of lockers possible.\n", (u_long)sp->st_maxlockers);
+ dl("Maximum number of objects possible.\n", (u_long)sp->st_maxobjects);
+ dl("Current locks.\n", (u_long)sp->st_nlocks);
+ dl("Maximum number of locks so far.\n", (u_long)sp->st_maxnlocks);
+ dl("Current number of lockers.\n", (u_long)sp->st_nlockers);
+ dl("Maximum number lockers so far.\n", (u_long)sp->st_maxnlockers);
+ dl("Current number lock objects.\n", (u_long)sp->st_nobjects);
+ dl("Maximum number of lock objects so far.\n",
+ (u_long)sp->st_maxnobjects);
+ dl("Number of lock requests.\n", (u_long)sp->st_nrequests);
+ dl("Number of lock releases.\n", (u_long)sp->st_nreleases);
+ dl("Number of lock requests that would have waited.\n",
+ (u_long)sp->st_nnowaits);
+ dl("Number of lock conflicts.\n", (u_long)sp->st_nconflicts);
+ dl("Number of deadlocks.\n", (u_long)sp->st_ndeadlocks);
+ dl_bytes("Lock region size",
+ (u_long)0, (u_long)0, (u_long)sp->st_regsize);
+ dl("The number of region locks granted without waiting.\n",
+ (u_long)sp->st_region_nowait);
+ dl("The number of region locks granted after waiting.\n",
+ (u_long)sp->st_region_wait);
+
+ return (0);
+}
+
+/*
+ * log_stats --
+ * Display log statistics.
+ */
+int
+log_stats(dbenvp)
+ DB_ENV *dbenvp;
+{
+ DB_LOG_STAT *sp;
+ int ret;
+
+ if ((ret = log_stat(dbenvp, &sp, NULL)) != 0) {
+ dbenvp->err(dbenvp, ret, NULL);
+ return (1);
+ }
+
+ printf("%lx\tLog magic number.\n", (u_long)sp->st_magic);
+ printf("%lu\tLog version number.\n", (u_long)sp->st_version);
+ dl_bytes("Log region size",
+ (u_long)0, (u_long)0, (u_long)sp->st_regsize);
+ dl_bytes("Log record cache size",
+ (u_long)0, (u_long)0, (u_long)sp->st_lg_bsize);
+ printf("%#o\tLog file mode.\n", sp->st_mode);
+ if (sp->st_lg_max % MEGABYTE == 0)
+ printf("%luMb\tLog file size.\n",
+ (u_long)sp->st_lg_max / MEGABYTE);
+ else if (sp->st_lg_max % 1024 == 0)
+ printf("%luKb\tLog file size.\n", (u_long)sp->st_lg_max / 1024);
+ else
+ printf("%lu\tLog file size.\n", (u_long)sp->st_lg_max);
+ dl_bytes("Log bytes written",
+ (u_long)0, (u_long)sp->st_w_mbytes, (u_long)sp->st_w_bytes);
+ dl_bytes("Log bytes written since last checkpoint",
+ (u_long)0, (u_long)sp->st_wc_mbytes, (u_long)sp->st_wc_bytes);
+ dl("Total log file writes.\n", (u_long)sp->st_wcount);
+ dl("Total log file write due to overflow.\n",
+ (u_long)sp->st_wcount_fill);
+ dl("Total log file flushes.\n", (u_long)sp->st_scount);
+ printf("%lu\tCurrent log file number.\n", (u_long)sp->st_cur_file);
+ printf("%lu\tCurrent log file offset.\n", (u_long)sp->st_cur_offset);
+ dl("The number of region locks granted without waiting.\n",
+ (u_long)sp->st_region_nowait);
+ dl("The number of region locks granted after waiting.\n",
+ (u_long)sp->st_region_wait);
+
+ return (0);
+}
+
+/*
+ * mpool_stats --
+ * Display mpool statistics.
+ */
+int
+mpool_stats(dbenvp)
+ DB_ENV *dbenvp;
+{
+ DB_MPOOL_FSTAT **fsp;
+ DB_MPOOL_STAT *gsp;
+ int ret;
+
+ if (internal != NULL) {
+ __memp_dump_region(dbenvp, internal, stdout);
+ return (1);
+ }
+
+ if ((ret = memp_stat(dbenvp, &gsp, &fsp, NULL)) != 0) {
+ dbenvp->err(dbenvp, ret, NULL);
+ return (1);
+ }
+
+ dl_bytes("Total cache size",
+ (u_long)gsp->st_gbytes, (u_long)0, (u_long)gsp->st_bytes);
+ dl("Number of caches.\n", (u_long)gsp->st_ncache);
+ dl("Pool individual cache size.\n", (u_long)gsp->st_regsize);
+ dl("Requested pages found in the cache", (u_long)gsp->st_cache_hit);
+ if (gsp->st_cache_hit + gsp->st_cache_miss != 0)
+ printf(" (%.0f%%)", ((double)gsp->st_cache_hit /
+ (gsp->st_cache_hit + gsp->st_cache_miss)) * 100);
+ printf(".\n");
+ dl("Requested pages mapped into the process' address space.\n",
+ (u_long)gsp->st_map);
+ dl("Requested pages not found in the cache.\n",
+ (u_long)gsp->st_cache_miss);
+ dl("Pages created in the cache.\n", (u_long)gsp->st_page_create);
+ dl("Pages read into the cache.\n", (u_long)gsp->st_page_in);
+ dl("Pages written from the cache to the backing file.\n",
+ (u_long)gsp->st_page_out);
+ dl("Clean pages forced from the cache.\n",
+ (u_long)gsp->st_ro_evict);
+ dl("Dirty pages forced from the cache.\n",
+ (u_long)gsp->st_rw_evict);
+ dl("Dirty buffers written by trickle-sync thread.\n",
+ (u_long)gsp->st_page_trickle);
+ dl("Current clean buffer count.\n",
+ (u_long)gsp->st_page_clean);
+ dl("Current dirty buffer count.\n",
+ (u_long)gsp->st_page_dirty);
+ dl("Number of hash buckets used for page location.\n",
+ (u_long)gsp->st_hash_buckets);
+ dl("Total number of times hash chains searched for a page.\n",
+ (u_long)gsp->st_hash_searches);
+ dl("The longest hash chain searched for a page.\n",
+ (u_long)gsp->st_hash_longest);
+ dl("Total number of hash buckets examined for page location.\n",
+ (u_long)gsp->st_hash_examined);
+ dl("The number of region locks granted without waiting.\n",
+ (u_long)gsp->st_region_nowait);
+ dl("The number of region locks granted after waiting.\n",
+ (u_long)gsp->st_region_wait);
+
+ for (; fsp != NULL && *fsp != NULL; ++fsp) {
+ printf("%s\n", DB_LINE);
+ printf("Pool File: %s\n", (*fsp)->file_name);
+ dl("Page size.\n", (u_long)(*fsp)->st_pagesize);
+ dl("Requested pages found in the cache",
+ (u_long)(*fsp)->st_cache_hit);
+ if ((*fsp)->st_cache_hit + (*fsp)->st_cache_miss != 0)
+ printf(" (%.0f%%)", ((double)(*fsp)->st_cache_hit /
+ ((*fsp)->st_cache_hit + (*fsp)->st_cache_miss)) *
+ 100);
+ printf(".\n");
+ dl("Requested pages mapped into the process' address space.\n",
+ (u_long)(*fsp)->st_map);
+ dl("Requested pages not found in the cache.\n",
+ (u_long)(*fsp)->st_cache_miss);
+ dl("Pages created in the cache.\n",
+ (u_long)(*fsp)->st_page_create);
+ dl("Pages read into the cache.\n",
+ (u_long)(*fsp)->st_page_in);
+ dl("Pages written from the cache to the backing file.\n",
+ (u_long)(*fsp)->st_page_out);
+ }
+
+ return (0);
+}
+
+/*
+ * txn_stats --
+ * Display transaction statistics.
+ */
+int
+txn_stats(dbenvp)
+ DB_ENV *dbenvp;
+{
+ DB_TXN_STAT *sp;
+ u_int32_t i;
+ int ret;
+ const char *p;
+
+ if ((ret = txn_stat(dbenvp, &sp, NULL)) != 0) {
+ dbenvp->err(dbenvp, ret, NULL);
+ return (1);
+ }
+
+ p = sp->st_last_ckp.file == 0 ?
+ "No checkpoint LSN." : "File/offset for last checkpoint LSN.";
+ printf("%lu/%lu\t%s\n",
+ (u_long)sp->st_last_ckp.file, (u_long)sp->st_last_ckp.offset, p);
+ p = sp->st_pending_ckp.file == 0 ?
+ "No pending checkpoint LSN." :
+ "File/offset for last pending checkpoint LSN.";
+ printf("%lu/%lu\t%s\n",
+ (u_long)sp->st_pending_ckp.file,
+ (u_long)sp->st_pending_ckp.offset, p);
+ if (sp->st_time_ckp == 0)
+ printf("0\tNo checkpoint timestamp.\n");
+ else
+ printf("%.24s\tCheckpoint timestamp.\n",
+ ctime(&sp->st_time_ckp));
+ printf("%lx\tLast transaction ID allocated.\n",
+ (u_long)sp->st_last_txnid);
+ dl("Maximum number of active transactions possible.\n",
+ (u_long)sp->st_maxtxns);
+ dl("Active transactions.\n", (u_long)sp->st_nactive);
+ dl("Maximum active transactions.\n", (u_long)sp->st_maxnactive);
+ dl("Number of transactions begun.\n", (u_long)sp->st_nbegins);
+ dl("Number of transactions aborted.\n", (u_long)sp->st_naborts);
+ dl("Number of transactions committed.\n", (u_long)sp->st_ncommits);
+ dl_bytes("Transaction region size",
+ (u_long)0, (u_long)0, (u_long)sp->st_regsize);
+ dl("The number of region locks granted without waiting.\n",
+ (u_long)sp->st_region_nowait);
+ dl("The number of region locks granted after waiting.\n",
+ (u_long)sp->st_region_wait);
+ qsort(sp->st_txnarray,
+ sp->st_nactive, sizeof(sp->st_txnarray[0]), txn_compare);
+ for (i = 0; i < sp->st_nactive; ++i)
+ printf("\tid: %lx; initial LSN file/offest %lu/%lu\n",
+ (u_long)sp->st_txnarray[i].txnid,
+ (u_long)sp->st_txnarray[i].lsn.file,
+ (u_long)sp->st_txnarray[i].lsn.offset);
+
+ return (0);
+}
+
+int
+txn_compare(a1, b1)
+ const void *a1, *b1;
+{
+ const DB_TXN_ACTIVE *a, *b;
+
+ a = a1;
+ b = b1;
+
+ if (a->txnid > b->txnid)
+ return (1);
+ if (a->txnid < b->txnid)
+ return (-1);
+ return (0);
+}
+
+/*
+ * dl --
+ * Display a big value.
+ */
+void
+dl(msg, value)
+ const char *msg;
+ u_long value;
+{
+ /*
+ * Two formats: if less than 10 million, display as the number, if
+ * greater than 10 million display as ###M.
+ */
+ if (value < 10000000)
+ printf("%lu\t%s", value, msg);
+ else
+ printf("%luM\t%s", value / 1000000, msg);
+}
+
+/*
+ * dl_bytes --
+ * Display a big number of bytes.
+ */
+void
+dl_bytes(msg, gbytes, mbytes, bytes)
+ const char *msg;
+ u_long gbytes, mbytes, bytes;
+{
+ const char *sep;
+ u_long sbytes;
+ int showbytes;
+
+ sbytes = bytes;
+ while (bytes > MEGABYTE) {
+ ++mbytes;
+ bytes -= MEGABYTE;
+ }
+ while (mbytes > GIGABYTE / MEGABYTE) {
+ ++gbytes;
+ --mbytes;
+ }
+
+ sep = "";
+ showbytes = 0;
+ if (gbytes > 0) {
+ printf("%luGB", gbytes);
+ sep = " ";
+ showbytes = 1;
+ }
+ if (mbytes > 0) {
+ printf("%s%luMB", sep, mbytes);
+ sep = " ";
+ showbytes = 1;
+ }
+ if (bytes > 1024) {
+ printf("%s%luKB", sep, bytes / 1024);
+ bytes %= 1024;
+ sep = " ";
+ showbytes = 1;
+ }
+ if (bytes > 0)
+ printf("%s%luB", sep, bytes);
+ printf("\t%s", msg);
+ if (showbytes)
+ printf(" (%lu bytes)", sbytes);
+ printf(".\n");
+}
+
+/*
+ * prflags --
+ * Print out flag values.
+ */
+void
+prflags(flags, fnp)
+ u_int32_t flags;
+ const FN *fnp;
+{
+ const char *sep;
+
+ sep = "\t";
+ printf("Flags:");
+ for (; fnp->mask != 0; ++fnp)
+ if (fnp->mask & flags) {
+ printf("%s%s", sep, fnp->name);
+ sep = ", ";
+ }
+ printf("\n");
+}
+
+/*
+ * db_init --
+ * Initialize the environment.
+ */
+int
+db_init(home, ttype)
+ char *home;
+ test_t ttype;
+{
+ int ret;
+
+ /*
+ * If our environment open fails, and we're trying to look at a
+ * shared region, it's a hard failure.
+ */
+ if ((ret = dbenv->open(dbenv,
+ home, DB_JOINENV | DB_USE_ENVIRON, 0)) == 0)
+ return (0);
+ if (ttype != T_DB) {
+ dbenv->err(dbenv, ret, "DBENV->open%s%s",
+ home == NULL ? "" : ": ", home == NULL ? "" : home);
+ return (1);
+ }
+
+ /*
+ * We're trying to look at a database.
+ *
+ * An environment is required because we may be trying to look at
+ * databases in directories other than the current one. We could
+ * avoid using an environment iff the -h option wasn't specified,
+ * but that seems like more work than it's worth.
+ *
+ *
+ * No environment exists. Create one, but make it private so that
+ * no files are actually created.
+ *
+ * Note that we will probably just drop core if the environment
+ * we joined above does not include a memory pool. This is probably
+ * acceptable; trying to use an existing shared environment that
+ * does not contain a memory pool to look at a database can
+ * be safely construed as operator error, I think.
+ */
+ if ((ret = dbenv->open(dbenv, home,
+ DB_CREATE | DB_INIT_MPOOL | DB_PRIVATE | DB_USE_ENVIRON, 0)) == 0)
+ return (0);
+
+ /* An environment is required. */
+ dbenv->err(dbenv, ret, "open");
+ return (1);
+}
+
+/*
+ * argcheck --
+ * Return if argument flags are okay.
+ */
+int
+argcheck(arg, ok_args)
+ char *arg;
+ const char *ok_args;
+{
+ for (; *arg != '\0'; ++arg)
+ if (strchr(ok_args, *arg) == NULL)
+ return (0);
+ return (1);
+}
+
+void
+usage()
+{
+ fprintf(stderr, "usage: db_stat %s\n",
+ "[-celmNtV] [-C Acflmo] [-d file [-s file]] [-h home] [-M Ahlm]");
+ exit (1);
+}
+
+void
+version_check()
+{
+ int v_major, v_minor, v_patch;
+
+ /* Make sure we're loaded with the right version of the DB library. */
+ (void)db_version(&v_major, &v_minor, &v_patch);
+ if (v_major != DB_VERSION_MAJOR ||
+ v_minor != DB_VERSION_MINOR || v_patch != DB_VERSION_PATCH) {
+ fprintf(stderr,
+ "%s: version %d.%d.%d doesn't match library version %d.%d.%d\n",
+ progname, DB_VERSION_MAJOR, DB_VERSION_MINOR,
+ DB_VERSION_PATCH, v_major, v_minor, v_patch);
+ exit (1);
+ }
+}