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Add DEBUG JEMALLOC INFO

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Uses jemalloc function malloc_stats_print() to return
stats about what jemalloc has allocated internally.
This commit is contained in:
Matt Stancliff 2014-11-16 13:05:48 -05:00
parent ad41a7c404
commit 27937c2821
2 changed files with 21 additions and 0 deletions
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18
src/debug.c
View File

@ -252,6 +252,12 @@ void computeDatasetDigest(unsigned char *final) {
}
}
void inputCatSds(void *result, const char *str) {
/* result is actually a (sds *), so re-cast it here */
sds *info = (sds *)result;
*info = sdscat(*info, str);
}
void debugCommand(redisClient *c) {
if (!strcasecmp(c->argv[1]->ptr,"segfault")) {
*((char*)-1) = 'x';
@ -379,6 +385,18 @@ void debugCommand(redisClient *c) {
errstr = sdsmapchars(errstr,"\n\r"," ",2); /* no newlines in errors. */
errstr = sdscatlen(errstr,"\r\n",2);
addReplySds(c,errstr);
} else if (!strcasecmp(c->argv[1]->ptr,"jemalloc") && c->argc == 3) {
#if defined(USE_JEMALLOC)
if (!strcasecmp(c->argv[2]->ptr, "info")) {
sds info = sdsempty();
je_malloc_stats_print(inputCatSds, &info, NULL);
addReplyBulkSds(c, info);
} else {
addReplyErrorFormat(c, "Valid jemalloc debug fields: info");
}
#else
addReplyErrorFormat(c, "jemalloc support not available");
#endif
} else {
addReplyErrorFormat(c, "Unknown DEBUG subcommand or wrong number of arguments for '%s'",
(char*)c->argv[1]->ptr);

3
src/redis-cli.c
View File

@ -629,6 +629,9 @@ static int cliSendCommand(int argc, char **argv, int repeat) {
output_raw = 0;
if (!strcasecmp(command,"info") ||
(argc == 3 && !strcasecmp(command,"debug") &&
(!strcasecmp(argv[1],"jemalloc") &&
!strcasecmp(argv[2],"info"))) ||
(argc == 2 && !strcasecmp(command,"cluster") &&
(!strcasecmp(argv[1],"nodes") ||
!strcasecmp(argv[1],"info"))) ||