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| author | Rusty Russell <rusty@rustcorp.com.au> | 2009-10-20 12:19:41 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2009-10-22 00:00:12 +1030 |
| commit | 703004340c3e0f43f741bd368d2525cfd187d590 (patch) | |
| tree | 586695354ca782f374b2bcffc46a015e70a5fa79 /lib/tdb/common/tdb_private.h | |
| parent | 1467e5eaab24b2b5c90ba0dd4e9dad4f321568c3 (diff) | |
| download | samba-703004340c3e0f43f741bd368d2525cfd187d590.tar.gz samba-703004340c3e0f43f741bd368d2525cfd187d590.tar.bz2 samba-703004340c3e0f43f741bd368d2525cfd187d590.zip | |
lib/tdb: TDB_TRACE support (for developers)
When TDB_TRACE is defined (in tdb_private.h), verbose tracing of tdb operations is enabled.
This can be replayed using "replay_trace" from http://ccan.ozlabs.org/info/tdb.
The majority of this patch comes from moving internal functions to _<funcname> to
avoid double-tracing. There should be no additional overhead for the normal (!TDB_TRACE)
case.
Note that the verbose traces compress really well with rzip.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'lib/tdb/common/tdb_private.h')
| -rw-r--r-- | lib/tdb/common/tdb_private.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/lib/tdb/common/tdb_private.h b/lib/tdb/common/tdb_private.h index 45b85f4c93..adef447cda 100644 --- a/lib/tdb/common/tdb_private.h +++ b/lib/tdb/common/tdb_private.h @@ -31,6 +31,7 @@ #include "system/wait.h" #include "tdb.h" +/* #define TDB_TRACE 1 */ #ifndef HAVE_GETPAGESIZE #define getpagesize() 0x2000 #endif @@ -68,6 +69,37 @@ typedef uint32_t tdb_off_t; * argument. */ #define TDB_LOG(x) tdb->log.log_fn x +#ifdef TDB_TRACE +void tdb_trace(struct tdb_context *tdb, const char *op); +void tdb_trace_seqnum(struct tdb_context *tdb, uint32_t seqnum, const char *op); +void tdb_trace_open(struct tdb_context *tdb, const char *op, + unsigned hash_size, unsigned tdb_flags, unsigned open_flags); +void tdb_trace_ret(struct tdb_context *tdb, const char *op, int ret); +void tdb_trace_retrec(struct tdb_context *tdb, const char *op, TDB_DATA ret); +void tdb_trace_1rec(struct tdb_context *tdb, const char *op, + TDB_DATA rec); +void tdb_trace_1rec_ret(struct tdb_context *tdb, const char *op, + TDB_DATA rec, int ret); +void tdb_trace_1rec_retrec(struct tdb_context *tdb, const char *op, + TDB_DATA rec, TDB_DATA ret); +void tdb_trace_2rec_flag_ret(struct tdb_context *tdb, const char *op, + TDB_DATA rec1, TDB_DATA rec2, unsigned flag, + int ret); +void tdb_trace_2rec_retrec(struct tdb_context *tdb, const char *op, + TDB_DATA rec1, TDB_DATA rec2, TDB_DATA ret); +#else +#define tdb_trace(tdb, op) +#define tdb_trace_seqnum(tdb, seqnum, op) +#define tdb_trace_open(tdb, op, hash_size, tdb_flags, open_flags) +#define tdb_trace_ret(tdb, op, ret) +#define tdb_trace_retrec(tdb, op, ret) +#define tdb_trace_1rec(tdb, op, rec) +#define tdb_trace_1rec_ret(tdb, op, rec, ret) +#define tdb_trace_1rec_retrec(tdb, op, rec, ret) +#define tdb_trace_2rec_flag_ret(tdb, op, rec1, rec2, flag, ret) +#define tdb_trace_2rec_retrec(tdb, op, rec1, rec2, ret) +#endif /* !TDB_TRACE */ + /* lock offsets */ #define GLOBAL_LOCK 0 #define ACTIVE_LOCK 4 @@ -167,6 +199,9 @@ struct tdb_context { int page_size; int max_dead_records; int transaction_lock_count; +#ifdef TDB_TRACE + int tracefd; +#endif volatile sig_atomic_t *interrupt_sig_ptr; }; @@ -194,6 +229,7 @@ int tdb_ofs_read(struct tdb_context *tdb, tdb_off_t offset, tdb_off_t *d); int tdb_ofs_write(struct tdb_context *tdb, tdb_off_t offset, tdb_off_t *d); int tdb_lock_record(struct tdb_context *tdb, tdb_off_t off); int tdb_unlock_record(struct tdb_context *tdb, tdb_off_t off); +int _tdb_transaction_cancel(struct tdb_context *tdb); int tdb_rec_read(struct tdb_context *tdb, tdb_off_t offset, struct list_struct *rec); int tdb_rec_write(struct tdb_context *tdb, tdb_off_t offset, struct list_struct *rec); int tdb_do_delete(struct tdb_context *tdb, tdb_off_t rec_ptr, struct list_struct *rec); |