time_wo_finds in fuzzer_stats

docs/Changelog.md

@@ -8,6 +8,7 @@
     - ensure temporary file descriptor is closed when not used
     - added `AFL_NO_WARN_INSTABILITY`
     - added `AFL_FRIDA_STATS_INTERVAL`
+    - added time_wo_finds to fuzzer_stats
   - afl-cc:
     - add CFI sanitizer variant to gcc targets
     - llvm 16 support (thanks to @devnexen!)

docs/afl-fuzz_approach.md

@@ -483,6 +483,7 @@ directory. This includes:
 - `fuzzer_pid`        - PID of the fuzzer process
 - `cycles_done`       - queue cycles completed so far
 - `cycles_wo_finds`   - number of cycles without any new paths found
+- `time_wo_finds`     - longest time in seconds no new path was found
 - `execs_done`        - number of execve() calls attempted
 - `execs_per_sec`     - overall number of execs per second
 - `corpus_count`      - total number of entries in the queue