nihilist/tor
1
0
Fork 0
mirror of https://gitlab.torproject.org/tpo/core/tor.git synced 2024-11-24 20:33:31 +01:00
Code Issues Packages Projects Releases Wiki Activity

Add and use dns_cache_total_allocation()

Browse Source
This commit is contained in:
Neel Chauhan 2018-07-16 17:19:53 -04:00
parent 5aaea38d88
commit d807ca1b01
2 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/feature/relay/dns.c
View File

@ -2076,14 +2076,21 @@ dns_cache_entry_count(void)
return HT_SIZE(&cache_root);
}
/* Return the total size in bytes of the DNS cache. */
size_t
dns_cache_total_allocation(void)
{
return sizeof(struct cached_resolve_t) * dns_cache_entry_count() +
HT_MEM_USAGE(&cache_root);
}
/** Log memory information about our internal DNS cache at level 'severity'. */
void
dump_dns_mem_usage(int severity)
{
/* This should never be larger than INT_MAX. */
int hash_count = dns_cache_entry_count();
size_t hash_mem = sizeof(struct cached_resolve_t) * hash_count;
hash_mem += HT_MEM_USAGE(&cache_root);
size_t hash_mem = dns_cache_total_allocation();
/* Print out the count and estimated size of our &cache_root. It undercounts
hostnames in cached reverse resolves.

1
src/feature/relay/dns.h
View File

@ -38,6 +38,7 @@ void dns_launch_correctness_checks(void);
int dns_seems_to_be_broken(void);
int dns_seems_to_be_broken_for_ipv6(void);
void dns_reset_correctness_checks(void);
size_t dns_cache_total_allocation(void);
void dump_dns_mem_usage(int severity);
#ifdef DNS_PRIVATE