/*- * See the file LICENSE for redistribution information. * * Copyright (c) 1996-2005 * Sleepycat Software. All rights reserved. * * $Id: mp_stat.c,v 12.10 2005/10/27 01:26:00 mjc Exp $ */ #include "db_config.h" #ifndef NO_SYSTEM_INCLUDES #include <sys/types.h> #include <stdio.h> #include <string.h> #endif #include "db_int.h" #include "dbinc/db_page.h" #include "dbinc/db_shash.h" #include "dbinc/db_am.h" #include "dbinc/log.h" #include "dbinc/mp.h" #ifdef HAVE_STATISTICS static void __memp_print_bh __P((DB_ENV *, DB_MPOOL *, BH *, roff_t *, u_int32_t)); static int __memp_print_all __P((DB_ENV *, u_int32_t)); static int __memp_print_stats __P((DB_ENV *, u_int32_t)); static int __memp_print_hash __P((DB_ENV *, DB_MPOOL *, REGINFO *, roff_t *, u_int32_t)); static int __memp_stat __P((DB_ENV *, DB_MPOOL_STAT **, DB_MPOOL_FSTAT ***, u_int32_t)); static void __memp_stat_wait __P(( DB_ENV *, REGINFO *, MPOOL *, DB_MPOOL_STAT *, u_int32_t)); /* * __memp_stat_pp -- * DB_ENV->memp_stat pre/post processing. * * PUBLIC: int __memp_stat_pp * PUBLIC: __P((DB_ENV *, DB_MPOOL_STAT **, DB_MPOOL_FSTAT ***, u_int32_t)); */ int __memp_stat_pp(dbenv, gspp, fspp, flags) DB_ENV *dbenv; DB_MPOOL_STAT **gspp; DB_MPOOL_FSTAT ***fspp; u_int32_t flags; { DB_THREAD_INFO *ip; int ret; PANIC_CHECK(dbenv); ENV_REQUIRES_CONFIG(dbenv, dbenv->mp_handle, "DB_ENV->memp_stat", DB_INIT_MPOOL); if ((ret = __db_fchk(dbenv, "DB_ENV->memp_stat", flags, DB_STAT_CLEAR)) != 0) return (ret); ENV_ENTER(dbenv, ip); REPLICATION_WRAP(dbenv, (__memp_stat(dbenv, gspp, fspp, flags)), ret); ENV_LEAVE(dbenv, ip); return (ret); } /* * __memp_stat -- * DB_ENV->memp_stat */ static int __memp_stat(dbenv, gspp, fspp, flags) DB_ENV *dbenv; DB_MPOOL_STAT **gspp; DB_MPOOL_FSTAT ***fspp; u_int32_t flags; { DB_MPOOL *dbmp; DB_MPOOL_FSTAT **tfsp, *tstruct; DB_MPOOL_STAT *sp; MPOOL *c_mp, *mp; MPOOLFILE *mfp; size_t len, nlen; u_int32_t i, pagesize, st_bytes, st_gbytes, st_hash_buckets, st_pages; u_int32_t tmp_wait, tmp_nowait; int ret; char *name, *tname; dbmp = dbenv->mp_handle; mp = dbmp->reginfo[0].primary; /* Global statistics. */ if (gspp != NULL) { *gspp = NULL; if ((ret = __os_umalloc(dbenv, sizeof(**gspp), gspp)) != 0) return (ret); memset(*gspp, 0, sizeof(**gspp)); sp = *gspp; /* * Initialization and information that is not maintained on * a per-cache basis. Note that configuration information * may be modified at any time, and so we have to lock. */ c_mp = dbmp->reginfo[0].primary; sp->st_gbytes = c_mp->stat.st_gbytes; sp->st_bytes = c_mp->stat.st_bytes; sp->st_ncache = dbmp->nreg; sp->st_regsize = dbmp->reginfo[0].rp->size; MPOOL_SYSTEM_LOCK(dbenv); sp->st_mmapsize = mp->mp_mmapsize; sp->st_maxopenfd = mp->mp_maxopenfd; sp->st_maxwrite = mp->mp_maxwrite; sp->st_maxwrite_sleep = mp->mp_maxwrite_sleep; MPOOL_SYSTEM_UNLOCK(dbenv); /* Walk the cache list and accumulate the global information. */ for (i = 0; i < mp->nreg; ++i) { c_mp = dbmp->reginfo[i].primary; sp->st_map += c_mp->stat.st_map; sp->st_cache_hit += c_mp->stat.st_cache_hit; sp->st_cache_miss += c_mp->stat.st_cache_miss; sp->st_page_create += c_mp->stat.st_page_create; sp->st_page_in += c_mp->stat.st_page_in; sp->st_page_out += c_mp->stat.st_page_out; sp->st_ro_evict += c_mp->stat.st_ro_evict; sp->st_rw_evict += c_mp->stat.st_rw_evict; sp->st_page_trickle += c_mp->stat.st_page_trickle; sp->st_pages += c_mp->stat.st_pages; /* * st_page_dirty calculated by __memp_stat_hash * st_page_clean calculated here */ __memp_stat_hash( &dbmp->reginfo[i], c_mp, &sp->st_page_dirty); sp->st_page_clean = sp->st_pages - sp->st_page_dirty; sp->st_hash_buckets += c_mp->stat.st_hash_buckets; sp->st_hash_searches += c_mp->stat.st_hash_searches; sp->st_hash_longest += c_mp->stat.st_hash_longest; sp->st_hash_examined += c_mp->stat.st_hash_examined; /* * st_hash_nowait calculated by __memp_stat_wait * st_hash_wait */ __memp_stat_wait( dbenv, &dbmp->reginfo[i], c_mp, sp, flags); __mutex_set_wait_info(dbenv, c_mp->mtx_region, &tmp_wait, &tmp_nowait); sp->st_region_nowait += tmp_nowait; sp->st_region_wait += tmp_wait; sp->st_alloc += c_mp->stat.st_alloc; sp->st_alloc_buckets += c_mp->stat.st_alloc_buckets; if (sp->st_alloc_max_buckets < c_mp->stat.st_alloc_max_buckets) sp->st_alloc_max_buckets = c_mp->stat.st_alloc_max_buckets; sp->st_alloc_pages += c_mp->stat.st_alloc_pages; if (sp->st_alloc_max_pages < c_mp->stat.st_alloc_max_pages) sp->st_alloc_max_pages = c_mp->stat.st_alloc_max_pages; if (LF_ISSET(DB_STAT_CLEAR)) { __mutex_clear(dbenv, c_mp->mtx_region); MPOOL_SYSTEM_LOCK(dbenv); st_bytes = c_mp->stat.st_bytes; st_gbytes = c_mp->stat.st_gbytes; st_hash_buckets = c_mp->stat.st_hash_buckets; st_pages = c_mp->stat.st_pages; memset(&c_mp->stat, 0, sizeof(c_mp->stat)); c_mp->stat.st_bytes = st_bytes; c_mp->stat.st_gbytes = st_gbytes; c_mp->stat.st_hash_buckets = st_hash_buckets; c_mp->stat.st_pages = st_pages; MPOOL_SYSTEM_UNLOCK(dbenv); } } /* * We have duplicate statistics fields in per-file structures * and the cache. The counters are only incremented in the * per-file structures, except if a file is flushed from the * mpool, at which time we copy its information into the cache * statistics. We added the cache information above, now we * add the per-file information. */ MPOOL_SYSTEM_LOCK(dbenv); for (mfp = SH_TAILQ_FIRST(&mp->mpfq, __mpoolfile); mfp != NULL; mfp = SH_TAILQ_NEXT(mfp, q, __mpoolfile)) { sp->st_map += mfp->stat.st_map; sp->st_cache_hit += mfp->stat.st_cache_hit; sp->st_cache_miss += mfp->stat.st_cache_miss; sp->st_page_create += mfp->stat.st_page_create; sp->st_page_in += mfp->stat.st_page_in; sp->st_page_out += mfp->stat.st_page_out; if (fspp == NULL && LF_ISSET(DB_STAT_CLEAR)) { pagesize = mfp->stat.st_pagesize; memset(&mfp->stat, 0, sizeof(mfp->stat)); mfp->stat.st_pagesize = pagesize; } } MPOOL_SYSTEM_UNLOCK(dbenv); } /* Per-file statistics. */ if (fspp != NULL) { *fspp = NULL; /* Count the MPOOLFILE structures. */ MPOOL_SYSTEM_LOCK(dbenv); for (i = 0, len = 0, mfp = SH_TAILQ_FIRST(&mp->mpfq, __mpoolfile); mfp != NULL; ++i, mfp = SH_TAILQ_NEXT(mfp, q, __mpoolfile)) len += sizeof(DB_MPOOL_FSTAT *) + sizeof(DB_MPOOL_FSTAT) + strlen(__memp_fns(dbmp, mfp)) + 1; len += sizeof(DB_MPOOL_FSTAT *); /* Trailing NULL */ MPOOL_SYSTEM_UNLOCK(dbenv); if (i == 0) return (0); /* Allocate space */ if ((ret = __os_umalloc(dbenv, len, fspp)) != 0) return (ret); /* * Build each individual entry. We assume that an array of * pointers are aligned correctly to be followed by an array * of structures, which should be safe (in this particular * case, the first element of the structure is a pointer, so * we're doubly safe). The array is followed by space for * the text file names. * * Add 1 to i because we need to skip over the NULL. */ tfsp = *fspp; tstruct = (DB_MPOOL_FSTAT *)(tfsp + i + 1); tname = (char *)(tstruct + i); /* * Files may have been opened since we counted, don't walk * off the end of the allocated space. */ MPOOL_SYSTEM_LOCK(dbenv); for (mfp = SH_TAILQ_FIRST(&mp->mpfq, __mpoolfile); mfp != NULL && i-- > 0; ++tfsp, ++tstruct, tname += nlen, mfp = SH_TAILQ_NEXT(mfp, q, __mpoolfile)) { name = __memp_fns(dbmp, mfp); nlen = strlen(name) + 1; *tfsp = tstruct; *tstruct = mfp->stat; if (LF_ISSET(DB_STAT_CLEAR)) { pagesize = mfp->stat.st_pagesize; memset(&mfp->stat, 0, sizeof(mfp->stat)); mfp->stat.st_pagesize = pagesize; } tstruct->file_name = tname; memcpy(tname, name, nlen); } MPOOL_SYSTEM_UNLOCK(dbenv); *tfsp = NULL; } return (0); } /* * __memp_stat_print_pp -- * DB_ENV->memp_stat_print pre/post processing. * * PUBLIC: int __memp_stat_print_pp __P((DB_ENV *, u_int32_t)); */ int __memp_stat_print_pp(dbenv, flags) DB_ENV *dbenv; u_int32_t flags; { DB_THREAD_INFO *ip; int ret; PANIC_CHECK(dbenv); ENV_REQUIRES_CONFIG(dbenv, dbenv->mp_handle, "DB_ENV->memp_stat_print", DB_INIT_MPOOL); #define DB_STAT_MEMP_FLAGS \ (DB_STAT_ALL | DB_STAT_CLEAR | DB_STAT_MEMP_HASH) if ((ret = __db_fchk(dbenv, "DB_ENV->memp_stat_print", flags, DB_STAT_MEMP_FLAGS)) != 0) return (ret); ENV_ENTER(dbenv, ip); REPLICATION_WRAP(dbenv, (__memp_stat_print(dbenv, flags)), ret); ENV_LEAVE(dbenv, ip); return (ret); } #define FMAP_ENTRIES 200 /* Files we map. */ /* * __memp_stat_print -- * DB_ENV->memp_stat_print method. * * PUBLIC: int __memp_stat_print __P((DB_ENV *, u_int32_t)); */ int __memp_stat_print(dbenv, flags) DB_ENV *dbenv; u_int32_t flags; { u_int32_t orig_flags; int ret; orig_flags = flags; LF_CLR(DB_STAT_CLEAR); if (flags == 0 || LF_ISSET(DB_STAT_ALL)) { ret = __memp_print_stats(dbenv, orig_flags); if (flags == 0 || ret != 0) return (ret); } if (LF_ISSET(DB_STAT_ALL | DB_STAT_MEMP_HASH) && (ret = __memp_print_all(dbenv, orig_flags)) != 0) return (ret); return (0); } /* * __memp_print_stats -- * Display default mpool region statistics. */ static int __memp_print_stats(dbenv, flags) DB_ENV *dbenv; u_int32_t flags; { DB_MPOOL_FSTAT **fsp, **tfsp; DB_MPOOL_STAT *gsp; int ret; if ((ret = __memp_stat(dbenv, &gsp, &fsp, flags)) != 0) return (ret); if (LF_ISSET(DB_STAT_ALL)) __db_msg(dbenv, "Default cache region information:"); __db_dlbytes(dbenv, "Total cache size", (u_long)gsp->st_gbytes, (u_long)0, (u_long)gsp->st_bytes); __db_dl(dbenv, "Number of caches", (u_long)gsp->st_ncache); __db_dlbytes(dbenv, "Pool individual cache size", (u_long)0, (u_long)0, (u_long)gsp->st_regsize); __db_dlbytes(dbenv, "Maximum memory-mapped file size", (u_long)0, (u_long)0, (u_long)gsp->st_mmapsize); STAT_LONG("Maximum open file descriptors", gsp->st_maxopenfd); STAT_LONG("Maximum sequential buffer writes", gsp->st_maxwrite); STAT_LONG("Sleep after writing maximum sequential buffers", gsp->st_maxwrite_sleep); __db_dl(dbenv, "Requested pages mapped into the process' address space", (u_long)gsp->st_map); __db_dl_pct(dbenv, "Requested pages found in the cache", (u_long)gsp->st_cache_hit, DB_PCT( gsp->st_cache_hit, gsp->st_cache_hit + gsp->st_cache_miss), NULL); __db_dl(dbenv, "Requested pages not found in the cache", (u_long)gsp->st_cache_miss); __db_dl(dbenv, "Pages created in the cache", (u_long)gsp->st_page_create); __db_dl(dbenv, "Pages read into the cache", (u_long)gsp->st_page_in); __db_dl(dbenv, "Pages written from the cache to the backing file", (u_long)gsp->st_page_out); __db_dl(dbenv, "Clean pages forced from the cache", (u_long)gsp->st_ro_evict); __db_dl(dbenv, "Dirty pages forced from the cache", (u_long)gsp->st_rw_evict); __db_dl(dbenv, "Dirty pages written by trickle-sync thread", (u_long)gsp->st_page_trickle); __db_dl(dbenv, "Current total page count", (u_long)gsp->st_pages); __db_dl(dbenv, "Current clean page count", (u_long)gsp->st_page_clean); __db_dl(dbenv, "Current dirty page count", (u_long)gsp->st_page_dirty); __db_dl(dbenv, "Number of hash buckets used for page location", (u_long)gsp->st_hash_buckets); __db_dl(dbenv, "Total number of times hash chains searched for a page", (u_long)gsp->st_hash_searches); __db_dl(dbenv, "The longest hash chain searched for a page", (u_long)gsp->st_hash_longest); __db_dl(dbenv, "Total number of hash chain entries checked for page", (u_long)gsp->st_hash_examined); __db_dl_pct(dbenv, "The number of hash bucket locks that required waiting", (u_long)gsp->st_hash_wait, DB_PCT( gsp->st_hash_wait, gsp->st_hash_wait + gsp->st_hash_nowait), NULL); __db_dl(dbenv, "The maximum number of times any hash bucket lock was waited for", (u_long)gsp->st_hash_max_wait); __db_dl_pct(dbenv, "The number of region locks that required waiting", (u_long)gsp->st_region_wait, DB_PCT(gsp->st_region_wait, gsp->st_region_wait + gsp->st_region_nowait), NULL); __db_dl(dbenv, "The number of page allocations", (u_long)gsp->st_alloc); __db_dl(dbenv, "The number of hash buckets examined during allocations", (u_long)gsp->st_alloc_buckets); __db_dl(dbenv, "The maximum number of hash buckets examined for an allocation", (u_long)gsp->st_alloc_max_buckets); __db_dl(dbenv, "The number of pages examined during allocations", (u_long)gsp->st_alloc_pages); __db_dl(dbenv, "The max number of pages examined for an allocation", (u_long)gsp->st_alloc_max_pages); for (tfsp = fsp; fsp != NULL && *tfsp != NULL; ++tfsp) { if (LF_ISSET(DB_STAT_ALL)) __db_msg(dbenv, "%s", DB_GLOBAL(db_line)); __db_msg(dbenv, "Pool File: %s", (*tfsp)->file_name); __db_dl(dbenv, "Page size", (u_long)(*tfsp)->st_pagesize); __db_dl(dbenv, "Requested pages mapped into the process' address space", (u_long)(*tfsp)->st_map); __db_dl_pct(dbenv, "Requested pages found in the cache", (u_long)(*tfsp)->st_cache_hit, DB_PCT((*tfsp)->st_cache_hit, (*tfsp)->st_cache_hit + (*tfsp)->st_cache_miss), NULL); __db_dl(dbenv, "Requested pages not found in the cache", (u_long)(*tfsp)->st_cache_miss); __db_dl(dbenv, "Pages created in the cache", (u_long)(*tfsp)->st_page_create); __db_dl(dbenv, "Pages read into the cache", (u_long)(*tfsp)->st_page_in); __db_dl(dbenv, "Pages written from the cache to the backing file", (u_long)(*tfsp)->st_page_out); } __os_ufree(dbenv, fsp); __os_ufree(dbenv, gsp); return (0); } /* * __memp_print_all -- * Display debugging mpool region statistics. */ static int __memp_print_all(dbenv, flags) DB_ENV *dbenv; u_int32_t flags; { static const FN fn[] = { { MP_CAN_MMAP, "MP_CAN_MMAP" }, { MP_DIRECT, "MP_DIRECT" }, { MP_EXTENT, "MP_EXTENT" }, { MP_FAKE_DEADFILE, "deadfile" }, { MP_FAKE_FILEWRITTEN, "file written" }, { MP_FAKE_NB, "no backing file" }, { MP_FAKE_UOC, "unlink on close" }, { MP_NOT_DURABLE, "not durable" }, { MP_TEMP, "MP_TEMP" }, { 0, NULL } }; static const FN cfn[] = { { DB_MPOOL_NOFILE, "DB_MPOOL_NOFILE" }, { DB_MPOOL_UNLINK, "DB_MPOOL_UNLINK" }, { 0, NULL } }; DB_MPOOL *dbmp; DB_MPOOLFILE *dbmfp; MPOOL *mp; MPOOLFILE *mfp; roff_t fmap[FMAP_ENTRIES + 1]; u_int32_t i, mfp_flags; int cnt, ret; dbmp = dbenv->mp_handle; mp = dbmp->reginfo[0].primary; ret = 0; MPOOL_SYSTEM_LOCK(dbenv); __db_print_reginfo(dbenv, dbmp->reginfo, "Mpool"); __db_msg(dbenv, "%s", DB_GLOBAL(db_line)); __db_msg(dbenv, "MPOOL structure:"); __mutex_print_debug_single( dbenv, "MPOOL region mutex", mp->mtx_region, flags); STAT_LSN("Maximum checkpoint LSN", &mp->lsn); STAT_ULONG("Hash table entries", mp->htab_buckets); STAT_ULONG("Hash table last-checked", mp->last_checked); STAT_ULONG("Hash table LRU count", mp->lru_count); STAT_ULONG("Put counter", mp->put_counter); __db_msg(dbenv, "%s", DB_GLOBAL(db_line)); __db_msg(dbenv, "DB_MPOOL handle information:"); __mutex_print_debug_single( dbenv, "DB_MPOOL handle mutex", dbmp->mutex, flags); STAT_ULONG("Underlying cache regions", dbmp->nreg); __db_msg(dbenv, "%s", DB_GLOBAL(db_line)); __db_msg(dbenv, "DB_MPOOLFILE structures:"); for (cnt = 0, dbmfp = TAILQ_FIRST(&dbmp->dbmfq); dbmfp != NULL; dbmfp = TAILQ_NEXT(dbmfp, q), ++cnt) { __db_msg(dbenv, "File #%d: %s: per-process, %s", cnt + 1, __memp_fn(dbmfp), F_ISSET(dbmfp, MP_READONLY) ? "readonly" : "read/write"); STAT_ULONG("Reference count", dbmfp->ref); STAT_ULONG("Pinned block reference count", dbmfp->ref); STAT_ULONG("Clear length", dbmfp->clear_len); __db_print_fileid(dbenv, dbmfp->fileid, "\tID"); STAT_ULONG("File type", dbmfp->ftype); STAT_ULONG("LSN offset", dbmfp->lsn_offset); STAT_ULONG("Max gbytes", dbmfp->gbytes); STAT_ULONG("Max bytes", dbmfp->bytes); STAT_ULONG("Cache priority", dbmfp->priority); STAT_POINTER("mmap address", dbmfp->addr); STAT_ULONG("mmap length", dbmfp->len); __db_prflags(dbenv, NULL, dbmfp->flags, cfn, NULL, "\tFlags"); __db_print_fh(dbenv, "File handle", dbmfp->fhp, flags); } __db_msg(dbenv, "%s", DB_GLOBAL(db_line)); __db_msg(dbenv, "MPOOLFILE structures:"); for (cnt = 0, mfp = SH_TAILQ_FIRST(&mp->mpfq, __mpoolfile); mfp != NULL; mfp = SH_TAILQ_NEXT(mfp, q, __mpoolfile), ++cnt) { __db_msg(dbenv, "File #%d: %s", cnt + 1, __memp_fns(dbmp, mfp)); __mutex_print_debug_single(dbenv, "Mutex", mfp->mutex, flags); MUTEX_LOCK(dbenv, mfp->mutex); STAT_ULONG("Reference count", mfp->mpf_cnt); STAT_ULONG("Block count", mfp->block_cnt); STAT_ULONG("Last page number", mfp->last_pgno); STAT_ULONG("Original last page number", mfp->orig_last_pgno); STAT_ULONG("Maximum page number", mfp->maxpgno); STAT_LONG("Type", mfp->ftype); STAT_LONG("Priority", mfp->priority); STAT_LONG("Page's LSN offset", mfp->lsn_off); STAT_LONG("Page's clear length", mfp->clear_len); __db_print_fileid(dbenv, R_ADDR(dbmp->reginfo, mfp->fileid_off), "\tID"); mfp_flags = 0; if (mfp->deadfile) FLD_SET(mfp_flags, MP_FAKE_DEADFILE); if (mfp->file_written) FLD_SET(mfp_flags, MP_FAKE_FILEWRITTEN); if (mfp->no_backing_file) FLD_SET(mfp_flags, MP_FAKE_NB); if (mfp->unlink_on_close) FLD_SET(mfp_flags, MP_FAKE_UOC); __db_prflags(dbenv, NULL, mfp_flags, fn, NULL, "\tFlags"); if (cnt < FMAP_ENTRIES) fmap[cnt] = R_OFFSET(dbmp->reginfo, mfp); MUTEX_UNLOCK(dbenv, mfp->mutex); } MPOOL_SYSTEM_UNLOCK(dbenv); if (cnt < FMAP_ENTRIES) fmap[cnt] = INVALID_ROFF; else fmap[FMAP_ENTRIES] = INVALID_ROFF; /* Dump the individual caches. */ for (i = 0; i < mp->nreg; ++i) { __db_msg(dbenv, "%s", DB_GLOBAL(db_line)); __db_msg(dbenv, "Cache #%d:", i + 1); if ((ret = __memp_print_hash( dbenv, dbmp, &dbmp->reginfo[i], fmap, flags)) != 0) break; } return (ret); } /* * __memp_print_hash -- * Display hash bucket statistics for a cache. */ static int __memp_print_hash(dbenv, dbmp, reginfo, fmap, flags) DB_ENV *dbenv; DB_MPOOL *dbmp; REGINFO *reginfo; roff_t *fmap; u_int32_t flags; { BH *bhp; DB_MPOOL_HASH *hp; DB_MSGBUF mb; MPOOL *c_mp; u_int32_t bucket; c_mp = reginfo->primary; DB_MSGBUF_INIT(&mb); /* Display the hash table list of BH's. */ __db_msg(dbenv, "BH hash table (%lu hash slots)", (u_long)c_mp->htab_buckets); __db_msg(dbenv, "bucket #: priority, [mutex]"); __db_msg(dbenv, "\tpageno, file, ref, LSN, [mutex], address, priority, flags"); for (hp = R_ADDR(reginfo, c_mp->htab), bucket = 0; bucket < c_mp->htab_buckets; ++hp, ++bucket) { MUTEX_LOCK(dbenv, hp->mtx_hash); if ((bhp = SH_TAILQ_FIRST(&hp->hash_bucket, __bh)) != NULL) { __db_msgadd(dbenv, &mb, "bucket %lu: %lu, ", (u_long)bucket, (u_long)hp->hash_priority); __mutex_print_debug_stats( dbenv, &mb, hp->mtx_hash, flags); DB_MSGBUF_FLUSH(dbenv, &mb); } for (; bhp != NULL; bhp = SH_TAILQ_NEXT(bhp, hq, __bh)) __memp_print_bh(dbenv, dbmp, bhp, fmap, flags); MUTEX_UNLOCK(dbenv, hp->mtx_hash); } return (0); } /* * __memp_print_bh -- * Display a BH structure. */ static void __memp_print_bh(dbenv, dbmp, bhp, fmap, flags) DB_ENV *dbenv; DB_MPOOL *dbmp; BH *bhp; roff_t *fmap; u_int32_t flags; { static const FN fn[] = { { BH_CALLPGIN, "callpgin" }, { BH_DIRTY, "dirty" }, { BH_DIRTY_CREATE, "created" }, { BH_DISCARD, "discard" }, { BH_LOCKED, "locked" }, { BH_TRASH, "trash" }, { 0, NULL } }; DB_MSGBUF mb; int i; DB_MSGBUF_INIT(&mb); for (i = 0; i < FMAP_ENTRIES; ++i) if (fmap[i] == INVALID_ROFF || fmap[i] == bhp->mf_offset) break; if (fmap[i] == INVALID_ROFF) __db_msgadd(dbenv, &mb, "\t%5lu, %lu, ", (u_long)bhp->pgno, (u_long)bhp->mf_offset); else __db_msgadd( dbenv, &mb, "\t%5lu, #%d, ", (u_long)bhp->pgno, i + 1); __db_msgadd(dbenv, &mb, "%2lu, %lu/%lu, ", (u_long)bhp->ref, (u_long)LSN(bhp->buf).file, (u_long)LSN(bhp->buf).offset); __mutex_print_debug_stats(dbenv, &mb, bhp->mtx_bh, flags); __db_msgadd(dbenv, &mb, ", %#08lx, %lu", (u_long)R_OFFSET(dbmp->reginfo, bhp), (u_long)bhp->priority); __db_prflags(dbenv, &mb, bhp->flags, fn, " (", ")"); DB_MSGBUF_FLUSH(dbenv, &mb); } /* * __memp_stat_wait -- * Total hash bucket wait stats into the region. */ static void __memp_stat_wait(dbenv, reginfo, mp, mstat, flags) DB_ENV *dbenv; REGINFO *reginfo; MPOOL *mp; DB_MPOOL_STAT *mstat; u_int32_t flags; { DB_MPOOL_HASH *hp; u_int32_t i, tmp_nowait, tmp_wait; mstat->st_hash_max_wait = 0; hp = R_ADDR(reginfo, mp->htab); for (i = 0; i < mp->htab_buckets; i++, hp++) { __mutex_set_wait_info( dbenv, hp->mtx_hash, &tmp_wait, &tmp_nowait); mstat->st_hash_nowait += tmp_nowait; mstat->st_hash_wait += tmp_wait; if (tmp_wait > mstat->st_hash_max_wait) mstat->st_hash_max_wait = tmp_wait; if (LF_ISSET(DB_STAT_CLEAR)) __mutex_clear(dbenv, hp->mtx_hash); } } #else /* !HAVE_STATISTICS */ int __memp_stat_pp(dbenv, gspp, fspp, flags) DB_ENV *dbenv; DB_MPOOL_STAT **gspp; DB_MPOOL_FSTAT ***fspp; u_int32_t flags; { COMPQUIET(gspp, NULL); COMPQUIET(fspp, NULL); COMPQUIET(flags, 0); return (__db_stat_not_built(dbenv)); } int __memp_stat_print_pp(dbenv, flags) DB_ENV *dbenv; u_int32_t flags; { COMPQUIET(flags, 0); return (__db_stat_not_built(dbenv)); } #endif /* * __memp_stat_hash -- * Total hash bucket stats (other than mutex wait) into the region. * * PUBLIC: void __memp_stat_hash __P((REGINFO *, MPOOL *, u_int32_t *)); */ void __memp_stat_hash(reginfo, mp, dirtyp) REGINFO *reginfo; MPOOL *mp; u_int32_t *dirtyp; { DB_MPOOL_HASH *hp; u_int32_t dirty, i; hp = R_ADDR(reginfo, mp->htab); for (i = 0, dirty = 0; i < mp->htab_buckets; i++, hp++) dirty += hp->hash_page_dirty; *dirtyp = dirty; }