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ruanhaishen
redis
Commits
1b085c9f
Commit
1b085c9f
authored
Jan 23, 2011
by
antirez
Browse files
INFO output refactoring. Now "INFO section" will report only the specified section
parent
d9cb288c
Changes
1
Hide whitespace changes
Inline
Side-by-side
src/redis.c
View file @
1b085c9f
...
...
@@ -174,7 +174,7 @@ struct redisCommand readonlyCommandTable[] = {
{
"flushdb"
,
flushdbCommand
,
1
,
0
,
NULL
,
0
,
0
,
0
,
0
},
{
"flushall"
,
flushallCommand
,
1
,
0
,
NULL
,
0
,
0
,
0
,
0
},
{
"sort"
,
sortCommand
,
-
2
,
REDIS_CMD_DENYOOM
,
NULL
,
1
,
1
,
1
,
0
},
{"info",infoCommand,1,0,NULL,0,0,0,0},
{
"info"
,
infoCommand
,
-
1
,
0
,
NULL
,
0
,
0
,
0
,
0
},
{
"monitor"
,
monitorCommand
,
1
,
0
,
NULL
,
0
,
0
,
0
,
0
},
{
"ttl"
,
ttlCommand
,
2
,
0
,
NULL
,
1
,
1
,
1
,
0
},
{
"persist"
,
persistCommand
,
2
,
0
,
NULL
,
1
,
1
,
1
,
0
},
...
...
@@ -1156,204 +1156,277 @@ void bytesToHuman(char *s, unsigned long long n) {
/* Create the string returned by the INFO command. This is decoupled
* by the INFO command itself as we need to report the same information
* on memory corruption problems. */
sds genRedisInfoString(
void
) {
sds info;
sds
genRedisInfoString
(
char
*
section
)
{
sds
info
=
sdsempty
()
;
time_t
uptime
=
time
(
NULL
)
-
server
.
stat_starttime
;
int
j
,
numcommands
;
char
hmem
[
64
];
struct
rusage
self_ru
,
c_ru
;
unsigned
long
lol
,
bib
;
int
allsections
=
0
,
defsections
=
0
;
int
sections
=
0
;
if
(
section
)
{
allsections
=
strcasecmp
(
section
,
"all"
)
==
0
;
allsections
=
strcasecmp
(
section
,
"default"
)
==
0
;
}
getrusage
(
RUSAGE_SELF
,
&
self_ru
);
getrusage
(
RUSAGE_CHILDREN
,
&
c_ru
);
getClientsMaxBuffers
(
&
lol
,
&
bib
);
bytesToHuman
(
hmem
,
zmalloc_used_memory
());
info = sdscatprintf(sdsempty(),
"redis_version:%s\r\n"
"redis_git_sha1:%s\r\n"
"redis_git_dirty:%d\r\n"
"arch_bits:%s\r\n"
"multiplexing_api:%s\r\n"
"process_id:%ld\r\n"
"uptime_in_seconds:%ld\r\n"
"uptime_in_days:%ld\r\n"
"lru_clock:%ld\r\n"
"used_cpu_sys:%.2f\r\n"
"used_cpu_user:%.2f\r\n"
"used_cpu_sys_childrens:%.2f\r\n"
"used_cpu_user_childrens:%.2f\r\n"
"connected_clients:%d\r\n"
"connected_slaves:%d\r\n"
"client_longest_output_list:%lu\r\n"
"client_biggest_input_buf:%lu\r\n"
"blocked_clients:%d\r\n"
"used_memory:%zu\r\n"
"used_memory_human:%s\r\n"
"used_memory_rss:%zu\r\n"
"mem_fragmentation_ratio:%.2f\r\n"
"use_tcmalloc:%d\r\n"
"loading:%d\r\n"
"aof_enabled:%d\r\n"
"changes_since_last_save:%lld\r\n"
"bgsave_in_progress:%d\r\n"
"last_save_time:%ld\r\n"
"bgrewriteaof_in_progress:%d\r\n"
"total_connections_received:%lld\r\n"
"total_commands_processed:%lld\r\n"
"expired_keys:%lld\r\n"
"evicted_keys:%lld\r\n"
"keyspace_hits:%lld\r\n"
"keyspace_misses:%lld\r\n"
"hash_max_zipmap_entries:%zu\r\n"
"hash_max_zipmap_value:%zu\r\n"
"pubsub_channels:%ld\r\n"
"pubsub_patterns:%u\r\n"
"ds_enabled:%d\r\n"
"role:%s\r\n"
,REDIS_VERSION,
redisGitSHA1(),
strtol(redisGitDirty(),NULL,10) > 0,
(sizeof(long) == 8) ? "64" : "32",
aeGetApiName(),
(long) getpid(),
uptime,
uptime/(3600*24),
(unsigned long) server.lruclock,
(float)self_ru.ru_utime.tv_sec+(float)self_ru.ru_utime.tv_usec/1000000,
(float)self_ru.ru_stime.tv_sec+(float)self_ru.ru_stime.tv_usec/1000000,
(float)c_ru.ru_utime.tv_sec+(float)c_ru.ru_utime.tv_usec/1000000,
(float)c_ru.ru_stime.tv_sec+(float)c_ru.ru_stime.tv_usec/1000000,
listLength(server.clients)-listLength(server.slaves),
listLength(server.slaves),
lol, bib,
server.bpop_blocked_clients,
zmalloc_used_memory(),
hmem,
zmalloc_get_rss(),
zmalloc_get_fragmentation_ratio(),
#ifdef USE_TCMALLOC
1,
#else
0,
#endif
server.loading,
server.appendonly,
server.dirty,
server.bgsavechildpid != -1 || server.bgsavethread != (pthread_t) -1,
server.lastsave,
server.bgrewritechildpid != -1,
server.stat_numconnections,
server.stat_numcommands,
server.stat_expiredkeys,
server.stat_evictedkeys,
server.stat_keyspace_hits,
server.stat_keyspace_misses,
server.hash_max_zipmap_entries,
server.hash_max_zipmap_value,
dictSize(server.pubsub_channels),
listLength(server.pubsub_patterns),
server.ds_enabled != 0,
server.masterhost == NULL ? "master" : "slave"
);
if (server.masterhost) {
/* Server */
if
(
allsections
||
defsections
||
!
strcasecmp
(
section
,
"server"
))
{
if
(
sections
++
)
info
=
sdscat
(
info
,
"
\r\n
"
);
info
=
sdscatprintf
(
info
,
"master_host:%s\r\n"
"master_port:%d\r\n"
"master_link_status:%s\r\n"
"master_last_io_seconds_ago:%d\r\n"
"master_sync_in_progress:%d\r\n"
,server.masterhost,
server.masterport,
(server.replstate == REDIS_REPL_CONNECTED) ?
"up" : "down",
server.master ? ((int)(time(NULL)-server.master->lastinteraction)) : -1,
server.replstate == REDIS_REPL_TRANSFER
);
if (server.replstate == REDIS_REPL_TRANSFER) {
info = sdscatprintf(info,
"master_sync_left_bytes:%ld\r\n"
"master_sync_last_io_seconds_ago:%d\r\n"
,(long)server.repl_transfer_left,
(int)(time(NULL)-server.repl_transfer_lastio)
"# Server
\r\n
"
"redis_version:%s
\r\n
"
"redis_git_sha1:%s
\r\n
"
"redis_git_dirty:%d
\r\n
"
"arch_bits:%s
\r\n
"
"multiplexing_api:%s
\r\n
"
"process_id:%ld
\r\n
"
"tcp_port:%d
\r\n
"
"uptime_in_seconds:%ld
\r\n
"
"uptime_in_days:%ld
\r\n
"
"lru_clock:%ld
\r\n
"
,
REDIS_VERSION
,
redisGitSHA1
(),
strtol
(
redisGitDirty
(),
NULL
,
10
)
>
0
,
(
sizeof
(
long
)
==
8
)
?
"64"
:
"32"
,
aeGetApiName
(),
(
long
)
getpid
(),
server
.
port
,
uptime
,
uptime
/
(
3600
*
24
),
(
unsigned
long
)
server
.
lruclock
);
}
/* Clients */
if
(
allsections
||
defsections
||
!
strcasecmp
(
section
,
"clients"
))
{
if
(
sections
++
)
info
=
sdscat
(
info
,
"
\r\n
"
);
info
=
sdscatprintf
(
info
,
"# Clients
\r\n
"
"connected_clients:%d
\r\n
"
"client_longest_output_list:%lu
\r\n
"
"client_biggest_input_buf:%lu
\r\n
"
"blocked_clients:%d
\r\n
"
,
listLength
(
server
.
clients
)
-
listLength
(
server
.
slaves
),
lol
,
bib
,
server
.
bpop_blocked_clients
);
}
/* Memory */
if
(
allsections
||
defsections
||
!
strcasecmp
(
section
,
"memory"
))
{
if
(
sections
++
)
info
=
sdscat
(
info
,
"
\r\n
"
);
info
=
sdscatprintf
(
info
,
"# Memory
\r\n
"
"used_memory:%zu
\r\n
"
"used_memory_human:%s
\r\n
"
"used_memory_rss:%zu
\r\n
"
"mem_fragmentation_ratio:%.2f
\r\n
"
"use_tcmalloc:%d
\r\n
"
,
zmalloc_used_memory
(),
hmem
,
zmalloc_get_rss
(),
zmalloc_get_fragmentation_ratio
(),
#ifdef USE_TCMALLOC
1
#else
0
#endif
);
info
=
sdscat
(
info
,
"allocation_stats:"
);
for
(
j
=
0
;
j
<=
ZMALLOC_MAX_ALLOC_STAT
;
j
++
)
{
size_t
count
=
zmalloc_allocations_for_size
(
j
);
if
(
count
)
{
if
(
info
[
sdslen
(
info
)
-
1
]
!=
':'
)
info
=
sdscatlen
(
info
,
","
,
1
);
info
=
sdscatprintf
(
info
,
"%s%d=%zu"
,
(
j
==
ZMALLOC_MAX_ALLOC_STAT
)
?
">="
:
""
,
j
,
count
);
}
}
}
if (server.ds_enabled) {
lockThreadedIO();
/* Persistence */
if
(
allsections
||
defsections
||
!
strcasecmp
(
section
,
"persistence"
))
{
if
(
sections
++
)
info
=
sdscat
(
info
,
"
\r\n
"
);
info
=
sdscatprintf
(
info
,
"cache_max_memory:%llu\r\n"
"cache_blocked_clients:%lu\r\n"
,(unsigned long long) server.cache_max_memory,
(unsigned long) server.cache_blocked_clients
);
unlockThreadedIO();
"# Persistence
\r\n
"
"loading:%d
\r\n
"
"aof_enabled:%d
\r\n
"
"changes_since_last_save:%lld
\r\n
"
"bgsave_in_progress:%d
\r\n
"
"last_save_time:%ld
\r\n
"
"bgrewriteaof_in_progress:%d
\r\n
"
,
server
.
loading
,
server
.
appendonly
,
server
.
dirty
,
server
.
bgsavechildpid
!=
-
1
||
server
.
bgsavethread
!=
(
pthread_t
)
-
1
,
server
.
lastsave
,
server
.
bgrewritechildpid
!=
-
1
);
if
(
server
.
loading
)
{
double
perc
;
time_t
eta
,
elapsed
;
off_t
remaining_bytes
=
server
.
loading_total_bytes
-
server
.
loading_loaded_bytes
;
perc
=
((
double
)
server
.
loading_loaded_bytes
/
server
.
loading_total_bytes
)
*
100
;
elapsed
=
time
(
NULL
)
-
server
.
loading_start_time
;
if
(
elapsed
==
0
)
{
eta
=
1
;
/* A fake 1 second figure if we don't have
enough info */
}
else
{
eta
=
(
elapsed
*
remaining_bytes
)
/
server
.
loading_loaded_bytes
;
}
info
=
sdscatprintf
(
info
,
"loading_start_time:%ld
\r\n
"
"loading_total_bytes:%llu
\r\n
"
"loading_loaded_bytes:%llu
\r\n
"
"loading_loaded_perc:%.2f
\r\n
"
"loading_eta_seconds:%ld
\r\n
"
,(
unsigned
long
)
server
.
loading_start_time
,
(
unsigned
long
long
)
server
.
loading_total_bytes
,
(
unsigned
long
long
)
server
.
loading_loaded_bytes
,
perc
,
eta
);
}
}
if (server.loading) {
double perc;
time_t eta, elapsed;
off_t remaining_bytes = server.loading_total_bytes-
server.loading_loaded_bytes;
perc = ((double)server.loading_loaded_bytes /
server.loading_total_bytes) * 100;
elapsed = time(NULL)-server.loading_start_time;
if (elapsed == 0) {
eta = 1; /* A fake 1 second figure if we don't have enough info */
} else {
eta = (elapsed*remaining_bytes)/server.loading_loaded_bytes;
/* Diskstore */
if
(
allsections
||
defsections
||
!
strcasecmp
(
section
,
"diskstore"
))
{
if
(
sections
++
)
info
=
sdscat
(
info
,
"
\r\n
"
);
info
=
sdscatprintf
(
info
,
"# Diskstore
\r\n
"
"ds_enabled:%d
\r\n
"
,
server
.
ds_enabled
!=
0
);
if
(
server
.
ds_enabled
)
{
lockThreadedIO
();
info
=
sdscatprintf
(
info
,
"cache_max_memory:%llu
\r\n
"
"cache_blocked_clients:%lu
\r\n
"
,(
unsigned
long
long
)
server
.
cache_max_memory
,
(
unsigned
long
)
server
.
cache_blocked_clients
);
unlockThreadedIO
();
}
}
/* Stats */
if
(
allsections
||
defsections
||
!
strcasecmp
(
section
,
"stats"
))
{
if
(
sections
++
)
info
=
sdscat
(
info
,
"
\r\n
"
);
info
=
sdscatprintf
(
info
,
"loading_start_time:%ld\r\n"
"loading_total_bytes:%llu\r\n"
"loading_loaded_bytes:%llu\r\n"
"loading_loaded_perc:%.2f\r\n"
"loading_eta_seconds:%ld\r\n"
,(unsigned long) server.loading_start_time,
(unsigned long long) server.loading_total_bytes,
(unsigned long long) server.loading_loaded_bytes,
perc,
eta
);
"# Stats
\r\n
"
"total_connections_received:%lld
\r\n
"
"total_commands_processed:%lld
\r\n
"
"expired_keys:%lld
\r\n
"
"evicted_keys:%lld
\r\n
"
"keyspace_hits:%lld
\r\n
"
"keyspace_misses:%lld
\r\n
"
"pubsub_channels:%ld
\r\n
"
"pubsub_patterns:%u
\r\n
"
,
server
.
stat_numconnections
,
server
.
stat_numcommands
,
server
.
stat_expiredkeys
,
server
.
stat_evictedkeys
,
server
.
stat_keyspace_hits
,
server
.
stat_keyspace_misses
,
dictSize
(
server
.
pubsub_channels
),
listLength
(
server
.
pubsub_patterns
));
}
info = sdscat(info,"allocation_stats:");
for (j = 0; j <= ZMALLOC_MAX_ALLOC_STAT; j++) {
size_t count = zmalloc_allocations_for_size(j);
if (count) {
if (info[sdslen(info)-1] != ':') info = sdscatlen(info,",",1);
info = sdscatprintf(info,"%s%d=%zu",
(j == ZMALLOC_MAX_ALLOC_STAT) ? ">=" : "",
j,count);
/* Replication */
if
(
allsections
||
defsections
||
!
strcasecmp
(
section
,
"replication"
))
{
if
(
sections
++
)
info
=
sdscat
(
info
,
"
\r\n
"
);
info
=
sdscatprintf
(
info
,
"# Replication
\r\n
"
"role:%s
\r\n
"
,
server
.
masterhost
==
NULL
?
"master"
:
"slave"
);
if
(
server
.
masterhost
)
{
info
=
sdscatprintf
(
info
,
"master_host:%s
\r\n
"
"master_port:%d
\r\n
"
"master_link_status:%s
\r\n
"
"master_last_io_seconds_ago:%d
\r\n
"
"master_sync_in_progress:%d
\r\n
"
,
server
.
masterhost
,
server
.
masterport
,
(
server
.
replstate
==
REDIS_REPL_CONNECTED
)
?
"up"
:
"down"
,
server
.
master
?
((
int
)(
time
(
NULL
)
-
server
.
master
->
lastinteraction
))
:
-
1
,
server
.
replstate
==
REDIS_REPL_TRANSFER
);
if
(
server
.
replstate
==
REDIS_REPL_TRANSFER
)
{
info
=
sdscatprintf
(
info
,
"master_sync_left_bytes:%ld
\r\n
"
"master_sync_last_io_seconds_ago:%d
\r\n
"
,(
long
)
server
.
repl_transfer_left
,
(
int
)(
time
(
NULL
)
-
server
.
repl_transfer_lastio
)
);
}
}
info
=
sdscatprintf
(
info
,
"connected_slaves:%d
\r\n
"
,
listLength
(
server
.
slaves
));
}
info = sdscat(info,"\r\n");
numcommands = sizeof(readonlyCommandTable)/sizeof(struct redisCommand);
for (j = 0; j < numcommands; j++) {
struct redisCommand *c = readonlyCommandTable+j;
info = sdscatprintf(info,"command_%s:microseconds:%lld\r\n",
c->name, c->microseconds);
/* Profiling */
if
(
allsections
||
defsections
||
!
strcasecmp
(
section
,
"profiling"
))
{
if
(
sections
++
)
info
=
sdscat
(
info
,
"
\r\n
"
);
info
=
sdscatprintf
(
info
,
"# Profiling
\r\n
"
"used_cpu_sys:%.2f
\r\n
"
"used_cpu_user:%.2f
\r\n
"
"used_cpu_sys_childrens:%.2f
\r\n
"
"used_cpu_user_childrens:%.2f
\r\n
"
,
(
float
)
self_ru
.
ru_utime
.
tv_sec
+
(
float
)
self_ru
.
ru_utime
.
tv_usec
/
1000000
,
(
float
)
self_ru
.
ru_stime
.
tv_sec
+
(
float
)
self_ru
.
ru_stime
.
tv_usec
/
1000000
,
(
float
)
c_ru
.
ru_utime
.
tv_sec
+
(
float
)
c_ru
.
ru_utime
.
tv_usec
/
1000000
,
(
float
)
c_ru
.
ru_stime
.
tv_sec
+
(
float
)
c_ru
.
ru_stime
.
tv_usec
/
1000000
);
numcommands
=
sizeof
(
readonlyCommandTable
)
/
sizeof
(
struct
redisCommand
);
for
(
j
=
0
;
j
<
numcommands
;
j
++
)
{
struct
redisCommand
*
c
=
readonlyCommandTable
+
j
;
info
=
sdscatprintf
(
info
,
"used_time_cmd_%s:%lld
\r\n
"
,
c
->
name
,
c
->
microseconds
);
}
}
for (j = 0; j < server.dbnum; j++) {
long long keys, vkeys;
/* Key space */
if
(
allsections
||
defsections
||
!
strcasecmp
(
section
,
"keyspace"
))
{
if
(
sections
++
)
info
=
sdscat
(
info
,
"
\r\n
"
);
info
=
sdscatprintf
(
info
,
"# Keyspace
\r\n
"
);
for
(
j
=
0
;
j
<
server
.
dbnum
;
j
++
)
{
long
long
keys
,
vkeys
;
keys = dictSize(server.db[j].dict);
vkeys = dictSize(server.db[j].expires);
if (keys || vkeys) {
info = sdscatprintf(info, "db%d:keys=%lld,expires=%lld\r\n",
j, keys, vkeys);
keys
=
dictSize
(
server
.
db
[
j
].
dict
);
vkeys
=
dictSize
(
server
.
db
[
j
].
expires
);
if
(
keys
||
vkeys
)
{
info
=
sdscatprintf
(
info
,
"db%d:keys=%lld,expires=%lld
\r\n
"
,
j
,
keys
,
vkeys
);
}
}
}
return
info
;
}
void
infoCommand
(
redisClient
*
c
)
{
sds info = genRedisInfoString();
char
*
section
=
c
->
argc
==
2
?
c
->
argv
[
1
]
->
ptr
:
"default"
;
if
(
c
->
argc
>
2
)
{
addReply
(
c
,
shared
.
syntaxerr
);
return
;
}
sds
info
=
genRedisInfoString
(
section
);
addReplySds
(
c
,
sdscatprintf
(
sdsempty
(),
"$%lu
\r\n
"
,
(
unsigned
long
)
sdslen
(
info
)));
addReplySds
(
c
,
info
);
...
...
@@ -1619,7 +1692,7 @@ void segvHandler(int sig, siginfo_t *info, void *secret) {
redisLog
(
REDIS_WARNING
,
"======= Ooops! Redis %s got signal: -%d- ======="
,
REDIS_VERSION
,
sig
);
infostring = genRedisInfoString();
infostring
=
genRedisInfoString
(
"all"
);
redisLog
(
REDIS_WARNING
,
"%s"
,
infostring
);
/* It's not safe to sdsfree() the returned string under memory
* corruption conditions. Let it leak as we are going to abort */
...
...
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