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add eviction stat

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This commit is contained in:
van Hauser
2020-10-17 11:38:55 +02:00
parent d5c3b4bafd
commit fcea01a8ea
3 changed files with 7 additions and 1 deletions
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3
include/afl-fuzz.h
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@ -704,6 +704,9 @@ typedef struct afl_state {
/* How many queue entries currently have cached testcases */ /* How many queue entries currently have cached testcases */
u32 q_testcase_cache_count; u32 q_testcase_cache_count;
/* How often did we evict from the cache */
u32 q_testcase_evictions;
/* Refs to each queue entry with cached testcase (for eviction, if cache_count /* Refs to each queue entry with cached testcase (for eviction, if cache_count
* is too large) */ * is too large) */
struct queue_entry *q_testcase_cache[TESTCASE_ENTRIES]; struct queue_entry *q_testcase_cache[TESTCASE_ENTRIES];

1
src/afl-fuzz-queue.c
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@ -996,6 +996,7 @@ inline u8 *queue_testcase_get(afl_state_t *afl, struct queue_entry *q) {
afl->q_testcase_cache_size -= old_cached->len; afl->q_testcase_cache_size -= old_cached->len;
afl->q_testcase_cache[tid] = NULL; afl->q_testcase_cache[tid] = NULL;
--afl->q_testcase_cache_count; --afl->q_testcase_cache_count;
++afl->q_testcase_evictions;
} }

4
src/afl-fuzz-stats.c
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@ -167,6 +167,7 @@ void write_stats_file(afl_state_t *afl, double bitmap_cvg, double stability,
"havoc_expansion : %u\n" "havoc_expansion : %u\n"
"testcache_size : %llu\n" "testcache_size : %llu\n"
"testcache_count : %u\n" "testcache_count : %u\n"
"testcache_evict : %u\n"
"afl_banner : %s\n" "afl_banner : %s\n"
"afl_version : " VERSION "afl_version : " VERSION
"\n" "\n"
@ -202,7 +203,8 @@ void write_stats_file(afl_state_t *afl, double bitmap_cvg, double stability,
#endif #endif
t_bytes, afl->var_byte_count, afl->expand_havoc, t_bytes, afl->var_byte_count, afl->expand_havoc,
afl->q_testcase_cache_size, afl->q_testcase_cache_count, afl->q_testcase_cache_size, afl->q_testcase_cache_count,
afl->use_banner, afl->unicorn_mode ? "unicorn" : "", afl->q_testcase_evictions, afl->use_banner,
afl->unicorn_mode ? "unicorn" : "",
afl->fsrv.qemu_mode ? "qemu " : "", afl->fsrv.qemu_mode ? "qemu " : "",
afl->non_instrumented_mode ? " non_instrumented " : "", afl->non_instrumented_mode ? " non_instrumented " : "",
afl->no_forkserver ? "no_fsrv " : "", afl->crash_mode ? "crash " : "", afl->no_forkserver ? "no_fsrv " : "", afl->crash_mode ? "crash " : "",