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ruanhaishen
redis
Commits
28de624c
Commit
28de624c
authored
Sep 15, 2011
by
antirez
Browse files
Implemented --latency in redis-cli
parent
5d467597
Changes
1
Hide whitespace changes
Inline
Side-by-side
src/redis-cli.c
View file @
28de624c
...
...
@@ -61,6 +61,7 @@ static struct config {
int
shutdown
;
int
monitor_mode
;
int
pubsub_mode
;
int
latency_mode
;
int
stdinarg
;
/* get last arg from stdin. (-x option) */
char
*
auth
;
int
raw_output
;
/* output mode per command */
...
...
@@ -564,6 +565,8 @@ static int parseOptions(int argc, char **argv) {
i
++
;
}
else
if
(
!
strcmp
(
argv
[
i
],
"--raw"
))
{
config
.
raw_output
=
1
;
}
else
if
(
!
strcmp
(
argv
[
i
],
"--latency"
))
{
config
.
latency_mode
=
1
;
}
else
if
(
!
strcmp
(
argv
[
i
],
"-d"
)
&&
!
lastarg
)
{
sdsfree
(
config
.
mb_delim
);
config
.
mb_delim
=
sdsnew
(
argv
[
i
+
1
]);
...
...
@@ -614,6 +617,7 @@ static void usage() {
" -x Read last argument from STDIN
\n
"
" -d <delimiter> Multi-bulk delimiter in for raw formatting (default:
\\
n)
\n
"
" --raw Use raw formatting for replies (default when STDOUT is not a tty)
\n
"
" --latency Enter a special mode continuously sampling latency.
\n
"
" --help Output this help and exit
\n
"
" --version Output version and exit
\n
"
"
\n
"
...
...
@@ -736,6 +740,37 @@ static int noninteractive(int argc, char **argv) {
return
retval
;
}
static
void
latencyMode
(
void
)
{
redisReply
*
reply
;
long
long
start
,
latency
,
min
,
max
,
tot
,
count
=
0
;
double
avg
;
if
(
!
context
)
exit
(
1
);
while
(
1
)
{
start
=
mstime
();
reply
=
redisCommand
(
context
,
"PING"
);
if
(
reply
==
NULL
)
{
fprintf
(
stderr
,
"
\n
I/O error
\n
"
);
exit
(
1
);
}
latency
=
mstime
()
-
start
;
freeReplyObject
(
reply
);
count
++
;
if
(
count
==
1
)
{
min
=
max
=
tot
=
latency
;
avg
=
(
double
)
latency
;
}
else
{
if
(
latency
<
min
)
min
=
latency
;
if
(
latency
>
max
)
max
=
latency
;
avg
=
(
double
)
tot
/
count
;
}
printf
(
"
\x1b
[0G
\x1b
[2Kmin: %lld, max: %lld, avg: %.2f (%lld samples)"
,
min
,
max
,
avg
,
count
);
fflush
(
stdout
);
usleep
(
10000
);
}
}
int
main
(
int
argc
,
char
**
argv
)
{
int
firstarg
;
...
...
@@ -749,6 +784,7 @@ int main(int argc, char **argv) {
config
.
shutdown
=
0
;
config
.
monitor_mode
=
0
;
config
.
pubsub_mode
=
0
;
config
.
latency_mode
=
0
;
config
.
stdinarg
=
0
;
config
.
auth
=
NULL
;
config
.
raw_output
=
!
isatty
(
fileno
(
stdout
))
&&
(
getenv
(
"FAKETTY"
)
==
NULL
);
...
...
@@ -759,6 +795,12 @@ int main(int argc, char **argv) {
argc
-=
firstarg
;
argv
+=
firstarg
;
/* Start in latency mode if appropriate */
if
(
config
.
latency_mode
)
{
cliConnect
(
0
);
latencyMode
();
}
/* Start interactive mode when no command is provided */
if
(
argc
==
0
)
{
/* Note that in repl mode we don't abort on connection error.
...
...
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