From e26fc734177ccc4da91d6bf79035a9dda354784a Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@symas.com>
Date: Fri, 7 Dec 2012 13:19:36 -0800
Subject: [PATCH] ITS#7467 add verbose freelist info
---
libraries/liblmdb/mdb_stat.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/libraries/liblmdb/mdb_stat.c b/libraries/liblmdb/mdb_stat.c
index e9981f6016..13a24f9cbd 100644
--- a/libraries/liblmdb/mdb_stat.c
+++ b/libraries/liblmdb/mdb_stat.c
@@ -31,7 +31,7 @@ static void prstat(MDB_stat *ms)
static void usage(char *prog)
{
- fprintf(stderr, "usage: %s dbpath [-e] [-f] [-n] [-a|-s subdb]\n", prog);
+ fprintf(stderr, "usage: %s dbpath [-e] [-f[f]] [-n] [-a|-s subdb]\n", prog);
exit(EXIT_FAILURE);
}
@@ -122,7 +122,7 @@ int main(int argc, char *argv[])
if (freinfo) {
MDB_cursor *cursor;
- MDB_val data;
+ MDB_val key, data;
size_t pages = 0, *iptr;
printf("Freelist Status\n");
@@ -137,12 +137,20 @@ int main(int argc, char *argv[])
printf("mdb_stat failed, error %d %s\n", rc, mdb_strerror(rc));
goto txn_abort;
}
- while ((rc = mdb_cursor_get(cursor, NULL, &data, MDB_NEXT)) == 0) {
+ prstat(&mst);
+ while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
iptr = data.mv_data;
pages += *iptr;
+ if (freinfo > 1) {
+ size_t i, j;
+ j = *iptr++;
+ printf(" Transaction %zu, %zu pages\n",
+ *(size_t *)key.mv_data, j);
+ for (i=0; i<j; i++)
+ printf(" %zu\n", iptr[i]);
+ }
}
mdb_cursor_close(cursor);
- prstat(&mst);
printf(" Free pages: %zu\n", pages);
}
--
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