diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/.gitignore | 1 | ||||
| -rw-r--r-- | scripts/Makefile.am | 4 | ||||
| -rw-r--r-- | scripts/malloc_speed.c | 85 |
3 files changed, 89 insertions, 1 deletions
diff --git a/scripts/.gitignore b/scripts/.gitignore index b97347fbd..14579cbb4 100644 --- a/scripts/.gitignore +++ b/scripts/.gitignore @@ -9,6 +9,7 @@ dh_speed pubkey_speed crypt_burn hash_burn +malloc_speed tls_test fetch dnssec diff --git a/scripts/Makefile.am b/scripts/Makefile.am index f7ecd9ef6..b9b3a70a8 100644 --- a/scripts/Makefile.am +++ b/scripts/Makefile.am @@ -4,7 +4,7 @@ AM_CFLAGS = \ noinst_PROGRAMS = bin2array bin2sql id2sql key2keyid keyid2sql oid2der \ thread_analysis dh_speed pubkey_speed crypt_burn hash_burn fetch \ - dnssec + dnssec malloc_speed if USE_TLS noinst_PROGRAMS += tls_test @@ -24,6 +24,7 @@ dh_speed_SOURCES = dh_speed.c pubkey_speed_SOURCES = pubkey_speed.c crypt_burn_SOURCES = crypt_burn.c hash_burn_SOURCES = hash_burn.c +malloc_speed_SOURCES = malloc_speed.c fetch_SOURCES = fetch.c dnssec_SOURCES = dnssec.c id2sql_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la @@ -34,6 +35,7 @@ dh_speed_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la -lrt pubkey_speed_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la -lrt crypt_burn_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la hash_burn_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la +malloc_speed_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la fetch_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la dnssec_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la diff --git a/scripts/malloc_speed.c b/scripts/malloc_speed.c new file mode 100644 index 000000000..85d51a281 --- /dev/null +++ b/scripts/malloc_speed.c @@ -0,0 +1,85 @@ +/* + * Copyright (C) 2013 Martin Willi + * Copyright (C) 2013 revosec aG + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#include <stdio.h> +#include <time.h> +#include <library.h> +#include <utils/debug.h> + +#ifdef HAVE_MALLINFO +#include <malloc.h> +#endif /* HAVE_MALLINFO */ + +static void start_timing(struct timespec *start) +{ + clock_gettime(CLOCK_THREAD_CPUTIME_ID, start); +} + +static double end_timing(struct timespec *start) +{ + struct timespec end; + + clock_gettime(CLOCK_THREAD_CPUTIME_ID, &end); + return (end.tv_nsec - start->tv_nsec) / 1000000000.0 + + (end.tv_sec - start->tv_sec) * 1.0; +} + +static void print_mallinfo() +{ +#ifdef HAVE_MALLINFO + struct mallinfo mi = mallinfo(); + + printf("malloc: sbrk %d, mmap %d, used %d, free %d\n", + mi.arena, mi.hblkhd, mi.uordblks, mi.fordblks); +#endif /* HAVE_MALLINFO */ +} + +#define ALLOCS 1024 +#define ROUNDS 2048 + +int main(int argc, char *argv[]) +{ + struct timespec timing; + int i, round; + void *m[ALLOCS]; + /* a random set of allocations we test */ + int sizes[16] = { 1, 13, 100, 1000, 16, 10000, 50, 17, + 123, 32, 8, 64, 8096, 1024, 123, 9 }; + + library_init(NULL); + atexit(library_deinit); + + print_mallinfo(); + + start_timing(&timing); + + for (round = 0; round < ROUNDS; round++) + { + for (i = 0; i < ALLOCS; i++) + { + m[i] = malloc(sizes[(round + i) % countof(sizes)]); + } + for (i = 0; i < ALLOCS; i++) + { + free(m[i]); + } + } + printf("time for %d malloc/frees, repeating %d rounds: %.4fs\n", + ALLOCS, ROUNDS, end_timing(&timing)); + + print_mallinfo(); + + return 0; +} |