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Jakob Huber
postgres-lambda-diff
Commits
08af45f4
Commit
08af45f4
authored
14 years ago
by
Bruce Momjian
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Add getopt() support to test_fsync; also fix printf() format problem.
parent
48075095
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2
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2 changed files
src/tools/fsync/README
+6
-2
6 additions, 2 deletions
src/tools/fsync/README
src/tools/fsync/test_fsync.c
+43
-16
43 additions, 16 deletions
src/tools/fsync/test_fsync.c
with
49 additions
and
18 deletions
src/tools/fsync/README
+
6
−
2
View file @
08af45f4
...
...
@@ -3,7 +3,11 @@ test_fsync
This program tests fsync. The tests are described as part of the program output.
Usage: test_fsync [-f filename] [ops_per_test]
Usage: test_fsync [option...]
Options:
-f, --filename specify filename for test
-o, --ops-per-test operations per test
test_fsync is intended to give you a reasonable idea of what the fastest
fsync_method is on your specific system, as well as supplying diagnostic
...
...
@@ -16,6 +20,6 @@ The output filename defaults to test_fsync.out in the current directory.
test_fsync should be run in the same filesystem as your transaction log
directory (pg_xlog).
Op
s-
per
-
test defaults to 2000. Increase this to get more accurate
Op
erations
per
test defaults to 2000. Increase this to get more accurate
measurements.
This diff is collapsed.
Click to expand it.
src/tools/fsync/test_fsync.c
+
43
−
16
View file @
08af45f4
...
...
@@ -8,6 +8,7 @@
#include
"postgres.h"
#include
"getopt_long.h"
#include
"access/xlog_internal.h"
#include
"access/xlog.h"
#include
"access/xlogdefs.h"
...
...
@@ -80,26 +81,52 @@ main(int argc, char *argv[])
void
handle_args
(
int
argc
,
char
*
argv
[])
{
if
(
argc
>
1
&&
strcmp
(
argv
[
1
],
"-h"
)
==
0
)
static
struct
option
long_options
[]
=
{
{
"filename"
,
required_argument
,
NULL
,
'f'
},
{
"ops-per-test"
,
required_argument
,
NULL
,
'o'
},
{
NULL
,
0
,
NULL
,
0
}
};
int
option
;
/* Command line option */
int
optindex
=
0
;
/* used by getopt_long */
if
(
argc
>
1
)
{
if
(
strcmp
(
argv
[
1
],
"--help"
)
==
0
||
strcmp
(
argv
[
1
],
"-h"
)
==
0
||
strcmp
(
argv
[
1
],
"-?"
)
==
0
)
{
fprintf
(
stderr
,
"test_fsync [-f filename] [ops-per-test]
\n
"
);
exit
(
1
);
exit
(
0
);
}
/*
* arguments: ops_per_test and filename (optional)
*/
if
(
argc
>
2
&&
strcmp
(
argv
[
1
],
"-f"
)
==
0
)
if
(
strcmp
(
argv
[
1
],
"--version"
)
==
0
||
strcmp
(
argv
[
1
],
"-V"
)
==
0
)
{
filename
=
argv
[
2
]
;
argv
+=
2
;
argc
-=
2
;
fprintf
(
stderr
,
"test_fsync "
PG_VERSION
"
\n
"
)
;
exit
(
0
)
;
}
}
if
(
argc
>
1
)
ops_per_test
=
atoi
(
argv
[
1
]);
while
((
option
=
getopt_long
(
argc
,
argv
,
"f:o:"
,
long_options
,
&
optindex
))
!=
-
1
)
{
switch
(
option
)
{
case
'f'
:
filename
=
strdup
(
optarg
);
break
;
case
'o'
:
ops_per_test
=
atoi
(
optarg
);
break
;
default:
fprintf
(
stderr
,
"Try
\"
%s --help
\"
for more information.
\n
"
,
"test_fsync"
);
exit
(
1
);
break
;
}
}
printf
(
"
Ops-
per
-
test
= %d
\n\n
"
,
ops_per_test
);
printf
(
"
%d operations
per
test
\n\n
"
,
ops_per_test
);
}
void
...
...
@@ -448,7 +475,7 @@ test_open_syncs(void)
}
if
((
tmpfile
=
open
(
filename
,
O_RDWR
|
OPEN_SYNC_FLAG
|
PG_O_DIRECT
,
0
))
==
-
1
)
printf
(
NA_FORMAT
,
"n/a**
\n
"
);
printf
(
NA_FORMAT
,
"o_direct"
,
"n/a**
\n
"
);
else
{
printf
(
LABEL_FORMAT
,
"2 open_sync 8k writes"
);
...
...
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