Add a benchmark for parsing a microdescriptor

This commit is contained in:
Nick Mathewson 2018-12-14 13:45:22 -05:00
parent f8dac5c900
commit cf7342ab6f

View File

@ -39,6 +39,9 @@
#include "lib/crypt_ops/digestset.h"
#include "lib/crypt_ops/crypto_init.h"
#include "feature/dirparse/microdesc_parse.h"
#include "feature/nodelist/microdesc.h"
#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_PROCESS_CPUTIME_ID)
static uint64_t nanostart;
static inline uint64_t
@ -639,6 +642,41 @@ bench_ecdh_p224(void)
}
#endif
static void
bench_md_parse(void)
{
uint64_t start, end;
const int N = 100000;
// selected arbitrarily
const char md_text[] =
"@last-listed 2018-12-14 18:14:14\n"
"onion-key\n"
"-----BEGIN RSA PUBLIC KEY-----\n"
"MIGJAoGBAMHkZeXNDX/49JqM2BVLmh1Fnb5iMVnatvZZTLJyedqDLkbXZ1WKP5oh\n"
"7ec14dj/k3ntpwHD4s2o3Lb6nfagWbug4+F/rNJ7JuFru/PSyOvDyHGNAuegOXph\n"
"3gTGjdDpv/yPoiadGebbVe8E7n6hO+XxM2W/4dqheKimF0/s9B7HAgMBAAE=\n"
"-----END RSA PUBLIC KEY-----\n"
"ntor-onion-key QgF/EjqlNG1wRHLIop/nCekEH+ETGZSgYOhu26eiTF4=\n"
"family $00E9A86E7733240E60D8435A7BBD634A23894098 "
"$329BD7545DEEEBBDC8C4285F243916F248972102 "
"$69E06EBB2573A4F89330BDF8BC869794A3E10E4D "
"$DCA2A3FAE50B3729DAA15BC95FB21AF03389818B\n"
"p accept 53,80,443,5222-5223,25565\n"
"id ed25519 BzffzY99z6Q8KltcFlUTLWjNTBU7yKK+uQhyi1Ivb3A\n";
reset_perftime();
start = perftime();
for (int i = 0; i < N; ++i) {
smartlist_t *s = microdescs_parse_from_string(md_text, NULL, 1,
SAVED_IN_CACHE, NULL);
SMARTLIST_FOREACH(s, microdesc_t *, md, microdesc_free(md));
smartlist_free(s);
}
end = perftime();
printf("Microdesc parse: %f nsec\n", NANOCOUNT(start, end, N));
}
typedef void (*bench_fn)(void);
typedef struct benchmark_t {
@ -666,6 +704,8 @@ static struct benchmark_t benchmarks[] = {
ENT(ecdh_p256),
ENT(ecdh_p224),
#endif
ENT(md_parse),
{NULL,NULL,0}
};