From b1bfc1ae76bacbf48b81c81480a9f32e0c8919f6 Mon Sep 17 00:00:00 2001
From: vanhauser-thc <vh@thc.org>
Date: Mon, 27 Mar 2023 17:51:53 +0200
Subject: time_wo_finds in fuzzer_stats

---
 src/afl-fuzz-queue.c | 19 ++++++++++++++++++-
 src/afl-fuzz-stats.c |  6 ++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/afl-fuzz-queue.c b/src/afl-fuzz-queue.c
index 4eb55bb3..40184645 100644
--- a/src/afl-fuzz-queue.c
+++ b/src/afl-fuzz-queue.c
@@ -577,7 +577,24 @@ void add_to_queue(afl_state_t *afl, u8 *fname, u32 len, u8 passed_det) {
   queue_buf[afl->queued_items - 1] = q;
   q->id = afl->queued_items - 1;
 
-  afl->last_find_time = get_cur_time();
+  u64 cur_time = get_cur_time();
+
+  if (likely(afl->start_time) &&
+      unlikely(afl->longest_find_time < cur_time - afl->last_find_time)) {
+
+    if (unlikely(!afl->last_find_time)) {
+
+      afl->longest_find_time = cur_time - afl->start_time;
+
+    } else {
+
+      afl->longest_find_time = cur_time - afl->last_find_time;
+
+    }
+
+  }
+
+  afl->last_find_time = cur_time;
 
   if (afl->custom_mutators_count) {
 
diff --git a/src/afl-fuzz-stats.c b/src/afl-fuzz-stats.c
index f53fd610..25ebe987 100644
--- a/src/afl-fuzz-stats.c
+++ b/src/afl-fuzz-stats.c
@@ -251,6 +251,7 @@ void write_stats_file(afl_state_t *afl, u32 t_bytes, double bitmap_cvg,
       "fuzzer_pid        : %u\n"
       "cycles_done       : %llu\n"
       "cycles_wo_finds   : %llu\n"
+      "time_wo_finds     : %llu\n"
       "execs_done        : %llu\n"
       "execs_per_sec     : %0.02f\n"
       "execs_ps_last_min : %0.02f\n"
@@ -291,6 +292,11 @@ void write_stats_file(afl_state_t *afl, u32 t_bytes, double bitmap_cvg,
       (afl->start_time - afl->prev_run_time) / 1000, cur_time / 1000,
       (afl->prev_run_time + cur_time - afl->start_time) / 1000, (u32)getpid(),
       afl->queue_cycle ? (afl->queue_cycle - 1) : 0, afl->cycles_wo_finds,
+      afl->longest_find_time > cur_time - afl->last_find_time
+          ? afl->longest_find_time / 1000
+          : ((afl->start_time == 0 || afl->last_find_time == 0)
+                 ? 0
+                 : (cur_time - afl->last_find_time) / 1000),
       afl->fsrv.total_execs,
       afl->fsrv.total_execs /
           ((double)(afl->prev_run_time + get_cur_time() - afl->start_time) /
-- 
cgit 1.4.1