X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftdb2%2Fsummary.c;h=56d365883030dce6e85961022c7ac3d7f7e694aa;hp=a03b048651ef9d15e910c4eae22a9caf4e824471;hb=a42bba8ec446284256a7c9146ba3525404de474c;hpb=2523e67f154c3f8614a2ddca2cd0170d321a27d4 diff --git a/ccan/tdb2/summary.c b/ccan/tdb2/summary.c index a03b0486..56d36588 100644 --- a/ccan/tdb2/summary.c +++ b/ccan/tdb2/summary.c @@ -37,7 +37,7 @@ static int count_hash(struct tdb_context *tdb, static bool summarize(struct tdb_context *tdb, struct tally *hashes, - struct tally *flists, + struct tally *ftables, struct tally *free, struct tally *keys, struct tally *data, @@ -73,7 +73,7 @@ static bool summarize(struct tdb_context *tdb, tally_add(buckets, size_to_bucket(len)); len += sizeof(p->u); unc++; - } else if (rec_magic(&p->u) == TDB_MAGIC) { + } else if (rec_magic(&p->u) == TDB_USED_MAGIC) { if (unc) { tally_add(uncoal, unc); unc = 0; @@ -83,25 +83,31 @@ static bool summarize(struct tdb_context *tdb, + rec_data_length(&p->u) + rec_extra_padding(&p->u); - /* FIXME: Use different magic for hashes, flists. */ - if (!rec_key_length(&p->u) && rec_hash(&p->u) < 3) { - if (rec_hash(&p->u) == 0) { - int count = count_hash(tdb, - off + sizeof(p->u), - TDB_SUBLEVEL_HASH_BITS); - if (count == -1) - return false; - tally_add(hashes, count); - } else if (rec_hash(&p->u) == 1) { - tally_add(flists, - rec_data_length(&p->u)); - } else if (rec_hash(&p->u) == 2) { - tally_add(chains, 1); - } - } else { - tally_add(keys, rec_key_length(&p->u)); - tally_add(data, rec_data_length(&p->u)); - } + tally_add(keys, rec_key_length(&p->u)); + tally_add(data, rec_data_length(&p->u)); + tally_add(extra, rec_extra_padding(&p->u)); + } else if (rec_magic(&p->u) == TDB_HTABLE_MAGIC) { + int count = count_hash(tdb, + off + sizeof(p->u), + TDB_SUBLEVEL_HASH_BITS); + if (count == -1) + return false; + tally_add(hashes, count); + tally_add(extra, rec_extra_padding(&p->u)); + len = sizeof(p->u) + + rec_data_length(&p->u) + + rec_extra_padding(&p->u); + } else if (rec_magic(&p->u) == TDB_FTABLE_MAGIC) { + len = sizeof(p->u) + + rec_data_length(&p->u) + + rec_extra_padding(&p->u); + tally_add(ftables, rec_data_length(&p->u)); + tally_add(extra, rec_extra_padding(&p->u)); + } else if (rec_magic(&p->u) == TDB_CHAIN_MAGIC) { + len = sizeof(p->u) + + rec_data_length(&p->u) + + rec_extra_padding(&p->u); + tally_add(chains, 1); tally_add(extra, rec_extra_padding(&p->u)); } else len = dead_space(tdb, off); @@ -142,7 +148,7 @@ static bool summarize(struct tdb_context *tdb, char *tdb_summary(struct tdb_context *tdb, enum tdb_summary_flags flags) { tdb_len_t len; - struct tally *flists, *hashes, *freet, *keys, *data, *extra, *uncoal, + struct tally *ftables, *hashes, *freet, *keys, *data, *extra, *uncoal, *buckets, *chains; char *hashesg, *freeg, *keysg, *datag, *extrag, *uncoalg, *bucketsg; char *ret = NULL; @@ -158,7 +164,7 @@ char *tdb_summary(struct tdb_context *tdb, enum tdb_summary_flags flags) } /* Start stats off empty. */ - flists = tally_new(HISTO_HEIGHT); + ftables = tally_new(HISTO_HEIGHT); hashes = tally_new(HISTO_HEIGHT); freet = tally_new(HISTO_HEIGHT); keys = tally_new(HISTO_HEIGHT); @@ -167,14 +173,14 @@ char *tdb_summary(struct tdb_context *tdb, enum tdb_summary_flags flags) uncoal = tally_new(HISTO_HEIGHT); buckets = tally_new(HISTO_HEIGHT); chains = tally_new(HISTO_HEIGHT); - if (!flists || !hashes || !freet || !keys || !data || !extra + if (!ftables || !hashes || !freet || !keys || !data || !extra || !uncoal || !buckets || !chains) { tdb_logerr(tdb, TDB_ERR_OOM, TDB_DEBUG_ERROR, "tdb_summary: failed to allocate tally structures"); goto unlock; } - if (!summarize(tdb, hashes, flists, freet, keys, data, extra, uncoal, + if (!summarize(tdb, hashes, ftables, freet, keys, data, extra, uncoal, buckets, chains)) goto unlock; @@ -233,7 +239,7 @@ char *tdb_summary(struct tdb_context *tdb, enum tdb_summary_flags flags) tally_total(freet, NULL) * 100.0 / tdb->map_size, (tally_num(keys) + tally_num(freet) + tally_num(hashes)) * sizeof(struct tdb_used_record) * 100.0 / tdb->map_size, - tally_num(flists) * sizeof(struct tdb_freelist) + tally_num(ftables) * sizeof(struct tdb_freetable) * 100.0 / tdb->map_size, (tally_num(hashes) * (sizeof(tdb_off_t) << TDB_SUBLEVEL_HASH_BITS) @@ -256,6 +262,7 @@ unlock: free(data); free(extra); free(uncoal); + free(ftables); free(chains); tdb_allrecord_unlock(tdb, F_RDLCK);