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ccan
Commits
43d881a2
Commit
43d881a2
authored
Sep 25, 2010
by
Rusty Russell
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tdb: separate key and data size summary in tdb_summary().
parent
46d8f620
Changes
1
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Showing
1 changed file
with
61 additions
and
24 deletions
+61
-24
ccan/tdb/summary.c
ccan/tdb/summary.c
+61
-24
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ccan/tdb/summary.c
View file @
43d881a2
...
@@ -19,9 +19,10 @@
...
@@ -19,9 +19,10 @@
#include <ccan/tally/tally.h>
#include <ccan/tally/tally.h>
#define SUMMARY_FORMAT \
#define SUMMARY_FORMAT \
"Size of file
:
%zu\n" \
"Size of file
/data: %zu/
%zu\n" \
"Number of records: %zu\n" \
"Number of records: %zu\n" \
"Smallest/average/largest records: %zu/%zu/%zu\n%s" \
"Smallest/average/largest keys: %zu/%zu/%zu\n%s" \
"Smallest/average/largest data: %zu/%zu/%zu\n%s" \
"Smallest/average/largest padding: %zu/%zu/%zu\n%s" \
"Smallest/average/largest padding: %zu/%zu/%zu\n%s" \
"Number of dead records: %zu\n" \
"Number of dead records: %zu\n" \
"Smallest/average/largest dead records: %zu/%zu/%zu\n%s" \
"Smallest/average/largest dead records: %zu/%zu/%zu\n%s" \
...
@@ -29,7 +30,9 @@
...
@@ -29,7 +30,9 @@
"Smallest/average/largest free records: %zu/%zu/%zu\n%s" \
"Smallest/average/largest free records: %zu/%zu/%zu\n%s" \
"Number of hash chains: %zu\n" \
"Number of hash chains: %zu\n" \
"Smallest/average/largest hash chains: %zu/%zu/%zu\n%s" \
"Smallest/average/largest hash chains: %zu/%zu/%zu\n%s" \
"Total data = %zu (%.0f%%)\n"
"Number of uncoalesced records: %zu\n" \
"Smallest/average/largest uncoalesced runs: %zu/%zu/%zu\n%s" \
"Percentage keys/data/padding/free/dead/rechdrs&tailers/hashes: %.0f/%.0f/%.0f/%.0f/%.0f/%.0f/%.0f\n"
#define HISTO_WIDTH 70
#define HISTO_WIDTH 70
#define HISTO_HEIGHT 20
#define HISTO_HEIGHT 20
...
@@ -71,12 +74,12 @@ static size_t get_hash_length(struct tdb_context *tdb, unsigned int i)
...
@@ -71,12 +74,12 @@ static size_t get_hash_length(struct tdb_context *tdb, unsigned int i)
char
*
tdb_summary
(
struct
tdb_context
*
tdb
,
enum
tdb_summary_flags
flags
)
char
*
tdb_summary
(
struct
tdb_context
*
tdb
,
enum
tdb_summary_flags
flags
)
{
{
tdb_off_t
off
;
tdb_off_t
off
;
struct
tally
*
freet
,
*
used
,
*
dead
,
*
extra
,
*
hash
;
struct
tally
*
freet
,
*
keys
,
*
data
,
*
dead
,
*
extra
,
*
hash
,
*
uncoal
;
char
*
freeg
,
*
usedg
,
*
deadg
,
*
extrag
,
*
hash
g
;
char
*
freeg
,
*
keysg
,
*
datag
,
*
deadg
,
*
extrag
,
*
hashg
,
*
uncoal
g
;
struct
tdb_record
rec
;
struct
tdb_record
rec
;
char
*
ret
=
NULL
;
char
*
ret
=
NULL
;
bool
locked
;
bool
locked
;
size_t
len
;
size_t
len
,
unc
=
0
;
/* Read-only databases use no locking at all: it's best-effort.
/* Read-only databases use no locking at all: it's best-effort.
* We may have a write lock already, so skip that case too. */
* We may have a write lock already, so skip that case too. */
...
@@ -89,11 +92,13 @@ char *tdb_summary(struct tdb_context *tdb, enum tdb_summary_flags flags)
...
@@ -89,11 +92,13 @@ char *tdb_summary(struct tdb_context *tdb, enum tdb_summary_flags flags)
}
}
freet
=
tally_new
(
HISTO_HEIGHT
);
freet
=
tally_new
(
HISTO_HEIGHT
);
used
=
tally_new
(
HISTO_HEIGHT
);
keys
=
tally_new
(
HISTO_HEIGHT
);
data
=
tally_new
(
HISTO_HEIGHT
);
dead
=
tally_new
(
HISTO_HEIGHT
);
dead
=
tally_new
(
HISTO_HEIGHT
);
extra
=
tally_new
(
HISTO_HEIGHT
);
extra
=
tally_new
(
HISTO_HEIGHT
);
hash
=
tally_new
(
HISTO_HEIGHT
);
hash
=
tally_new
(
HISTO_HEIGHT
);
if
(
!
freet
||
!
used
||
!
dead
||
!
extra
||
!
hash
)
{
uncoal
=
tally_new
(
HISTO_HEIGHT
);
if
(
!
freet
||
!
keys
||
!
data
||
!
dead
||
!
extra
||
!
hash
||
!
uncoal
)
{
tdb
->
ecode
=
TDB_ERR_OOM
;
tdb
->
ecode
=
TDB_ERR_OOM
;
goto
unlock
;
goto
unlock
;
}
}
...
@@ -106,20 +111,23 @@ char *tdb_summary(struct tdb_context *tdb, enum tdb_summary_flags flags)
...
@@ -106,20 +111,23 @@ char *tdb_summary(struct tdb_context *tdb, enum tdb_summary_flags flags)
goto
unlock
;
goto
unlock
;
switch
(
rec
.
magic
)
{
switch
(
rec
.
magic
)
{
case
TDB_MAGIC
:
case
TDB_MAGIC
:
tally_add
(
used
,
rec
.
key_len
+
rec
.
data_len
);
tally_add
(
keys
,
rec
.
key_len
);
tally_add
(
data
,
rec
.
data_len
);
tally_add
(
extra
,
rec
.
rec_len
-
(
rec
.
key_len
tally_add
(
extra
,
rec
.
rec_len
-
(
rec
.
key_len
+
rec
.
data_len
));
+
rec
.
data_len
));
break
;
break
;
case
TDB_FREE_MAGIC
:
case
TDB_FREE_MAGIC
:
tally_add
(
freet
,
sizeof
(
rec
)
+
rec
.
rec_len
);
tally_add
(
freet
,
rec
.
rec_len
);
unc
++
;
break
;
break
;
/* If we crash after ftruncate, we can get zeroes or fill. */
/* If we crash after ftruncate, we can get zeroes or fill. */
case
TDB_RECOVERY_INVALID_MAGIC
:
case
TDB_RECOVERY_INVALID_MAGIC
:
case
0x42424242
:
case
0x42424242
:
unc
++
;
rec
.
rec_len
=
dead_space
(
tdb
,
off
)
-
sizeof
(
rec
);
rec
.
rec_len
=
dead_space
(
tdb
,
off
)
-
sizeof
(
rec
);
/* Fall through */
/* Fall through */
case
TDB_DEAD_MAGIC
:
case
TDB_DEAD_MAGIC
:
tally_add
(
dead
,
sizeof
(
rec
)
+
rec
.
rec_len
);
tally_add
(
dead
,
rec
.
rec_len
);
break
;
break
;
default:
default:
TDB_LOG
((
tdb
,
TDB_DEBUG_ERROR
,
TDB_LOG
((
tdb
,
TDB_DEBUG_ERROR
,
...
@@ -127,37 +135,51 @@ char *tdb_summary(struct tdb_context *tdb, enum tdb_summary_flags flags)
...
@@ -127,37 +135,51 @@ char *tdb_summary(struct tdb_context *tdb, enum tdb_summary_flags flags)
rec
.
magic
,
off
));
rec
.
magic
,
off
));
goto
unlock
;
goto
unlock
;
}
}
if
(
unc
&&
(
rec
.
magic
==
TDB_MAGIC
||
rec
.
magic
==
TDB_DEAD_MAGIC
))
{
tally_add
(
uncoal
,
unc
);
unc
=
0
;
}
}
}
if
(
unc
)
tally_add
(
uncoal
,
unc
);
for
(
off
=
0
;
off
<
tdb
->
header
.
hash_size
;
off
++
)
for
(
off
=
0
;
off
<
tdb
->
header
.
hash_size
;
off
++
)
tally_add
(
hash
,
get_hash_length
(
tdb
,
off
));
tally_add
(
hash
,
get_hash_length
(
tdb
,
off
));
if
(
flags
&
TDB_SUMMARY_HISTOGRAMS
)
{
if
(
flags
&
TDB_SUMMARY_HISTOGRAMS
)
{
freeg
=
tally_histogram
(
freet
,
HISTO_WIDTH
,
HISTO_HEIGHT
);
freeg
=
tally_histogram
(
freet
,
HISTO_WIDTH
,
HISTO_HEIGHT
);
usedg
=
tally_histogram
(
used
,
HISTO_WIDTH
,
HISTO_HEIGHT
);
keysg
=
tally_histogram
(
keys
,
HISTO_WIDTH
,
HISTO_HEIGHT
);
datag
=
tally_histogram
(
data
,
HISTO_WIDTH
,
HISTO_HEIGHT
);
deadg
=
tally_histogram
(
dead
,
HISTO_WIDTH
,
HISTO_HEIGHT
);
deadg
=
tally_histogram
(
dead
,
HISTO_WIDTH
,
HISTO_HEIGHT
);
extrag
=
tally_histogram
(
extra
,
HISTO_WIDTH
,
HISTO_HEIGHT
);
extrag
=
tally_histogram
(
extra
,
HISTO_WIDTH
,
HISTO_HEIGHT
);
hashg
=
tally_histogram
(
hash
,
HISTO_WIDTH
,
HISTO_HEIGHT
);
hashg
=
tally_histogram
(
hash
,
HISTO_WIDTH
,
HISTO_HEIGHT
);
uncoalg
=
tally_histogram
(
uncoal
,
HISTO_WIDTH
,
HISTO_HEIGHT
);
}
else
{
}
else
{
freeg
=
used
g
=
deadg
=
extrag
=
hashg
=
NULL
;
freeg
=
keysg
=
data
g
=
deadg
=
extrag
=
hashg
=
NULL
;
}
}
/* 20 is max length of a %zu. */
/* 20 is max length of a %zu. */
len
=
strlen
(
SUMMARY_FORMAT
)
+
2
2
*
20
+
1
len
=
strlen
(
SUMMARY_FORMAT
)
+
2
9
*
20
+
1
+
(
freeg
?
strlen
(
freeg
)
:
0
)
+
(
freeg
?
strlen
(
freeg
)
:
0
)
+
(
usedg
?
strlen
(
usedg
)
:
0
)
+
(
keysg
?
strlen
(
keysg
)
:
0
)
+
(
datag
?
strlen
(
datag
)
:
0
)
+
(
deadg
?
strlen
(
deadg
)
:
0
)
+
(
deadg
?
strlen
(
deadg
)
:
0
)
+
(
extrag
?
strlen
(
extrag
)
:
0
)
+
(
extrag
?
strlen
(
extrag
)
:
0
)
+
(
hashg
?
strlen
(
hashg
)
:
0
);
+
(
hashg
?
strlen
(
hashg
)
:
0
)
+
(
uncoalg
?
strlen
(
uncoalg
)
:
0
);
ret
=
malloc
(
len
);
ret
=
malloc
(
len
);
if
(
!
ret
)
if
(
!
ret
)
goto
unlock
;
goto
unlock
;
sprintf
(
ret
,
SUMMARY_FORMAT
,
sprintf
(
ret
,
SUMMARY_FORMAT
,
tdb
->
map_size
,
tdb
->
map_size
,
tally_total
(
keys
,
NULL
)
+
tally_total
(
data
,
NULL
),
tally_num
(
used
),
tally_num
(
keys
),
tally_min
(
used
),
tally_mean
(
used
),
tally_max
(
used
),
tally_min
(
keys
),
tally_mean
(
keys
),
tally_max
(
keys
),
usedg
?
usedg
:
""
,
keysg
?
keysg
:
""
,
tally_min
(
data
),
tally_mean
(
data
),
tally_max
(
data
),
datag
?
datag
:
""
,
tally_min
(
extra
),
tally_mean
(
extra
),
tally_max
(
extra
),
tally_min
(
extra
),
tally_mean
(
extra
),
tally_max
(
extra
),
extrag
?
extrag
:
""
,
extrag
?
extrag
:
""
,
tally_num
(
dead
),
tally_num
(
dead
),
...
@@ -169,20 +191,35 @@ char *tdb_summary(struct tdb_context *tdb, enum tdb_summary_flags flags)
...
@@ -169,20 +191,35 @@ char *tdb_summary(struct tdb_context *tdb, enum tdb_summary_flags flags)
tally_num
(
hash
),
tally_num
(
hash
),
tally_min
(
hash
),
tally_mean
(
hash
),
tally_max
(
hash
),
tally_min
(
hash
),
tally_mean
(
hash
),
tally_max
(
hash
),
hashg
?
hashg
:
""
,
hashg
?
hashg
:
""
,
tally_total
(
used
,
NULL
),
tally_total
(
uncoal
,
NULL
),
tally_total
(
used
,
NULL
)
*
100
.
0
/
tdb
->
map_size
);
tally_min
(
uncoal
),
tally_mean
(
uncoal
),
tally_max
(
uncoal
),
uncoalg
?
uncoalg
:
""
,
tally_total
(
keys
,
NULL
)
*
100
.
0
/
tdb
->
map_size
,
tally_total
(
data
,
NULL
)
*
100
.
0
/
tdb
->
map_size
,
tally_total
(
extra
,
NULL
)
*
100
.
0
/
tdb
->
map_size
,
tally_total
(
freet
,
NULL
)
*
100
.
0
/
tdb
->
map_size
,
tally_total
(
dead
,
NULL
)
*
100
.
0
/
tdb
->
map_size
,
(
tally_num
(
keys
)
+
tally_num
(
freet
)
+
tally_num
(
dead
))
*
(
sizeof
(
struct
tdb_record
)
+
sizeof
(
uint32_t
))
*
100
.
0
/
tdb
->
map_size
,
tdb
->
header
.
hash_size
*
sizeof
(
tdb_off_t
)
*
100
.
0
/
tdb
->
map_size
);
unlock:
unlock:
free
(
freeg
);
free
(
freeg
);
free
(
usedg
);
free
(
keysg
);
free
(
datag
);
free
(
deadg
);
free
(
deadg
);
free
(
extrag
);
free
(
extrag
);
free
(
hashg
);
free
(
hashg
);
free
(
uncoalg
);
free
(
freet
);
free
(
freet
);
free
(
used
);
free
(
keys
);
free
(
data
);
free
(
dead
);
free
(
dead
);
free
(
extra
);
free
(
extra
);
free
(
hash
);
free
(
hash
);
free
(
uncoal
);
if
(
locked
)
{
if
(
locked
)
{
tdb_unlockall_read
(
tdb
);
tdb_unlockall_read
(
tdb
);
}
}
...
...
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