update plot_data timestamps to be relative
MODIFY
src/afl-fuzz-init.c
src/afl-fuzz-init.c
@@ -2012,6 +2012,9 @@ void setup_dirs_fds(afl_state_t *afl) {
/* Gnuplot output file. */
tmp = alloc_printf("%s/plot_data", afl->out_dir);
+
+ if(!afl->in_place_resume) {
+
int fd = open(tmp, O_WRONLY | O_CREAT | O_EXCL, 0600);
if (fd < 0) { PFATAL("Unable to create '%s'", tmp); }
ck_free(tmp);
@@ -2023,6 +2026,20 @@ void setup_dirs_fds(afl_state_t *afl) {
"# unix_time, cycles_done, cur_path, paths_total, "
"pending_total, pending_favs, map_size, unique_crashes, "
"unique_hangs, max_depth, execs_per_sec, total_execs, edges_found\n");
+
+ } else {
+
+ int fd = open(tmp, O_WRONLY | O_CREAT, 0600);
+ if (fd < 0) { PFATAL("Unable to create '%s'", tmp); }
+ ck_free(tmp);
+
+ afl->fsrv.plot_file = fdopen(fd, "w");
+ if (!afl->fsrv.plot_file) { PFATAL("fdopen() failed"); }
+
+ fseek(afl->fsrv.plot_file, 0, SEEK_END);
+
+ }
+
fflush(afl->fsrv.plot_file);
/* ignore errors */

MODIFY
src/afl-fuzz-stats.c
src/afl-fuzz-stats.c
@@ -391,7 +391,7 @@ void maybe_update_plot_file(afl_state_t *afl, u32 t_bytes, double bitmap_cvg,
fprintf(afl->fsrv.plot_file,
"%llu, %llu, %u, %u, %u, %u, %0.02f%%, %llu, %llu, %u, %0.02f, %llu, "
"%u\n",
- get_cur_time() / 1000, afl->queue_cycle - 1, afl->current_entry,
+ (afl->prev_run_time + get_cur_time() - afl->start_time), afl->queue_cycle - 1, afl->current_entry,
afl->queued_paths, afl->pending_not_fuzzed, afl->pending_favored,
bitmap_cvg, afl->unique_crashes, afl->unique_hangs, afl->max_depth,
eps, afl->plot_prev_ed, t_bytes); /* ignore errors */

update plot_data timestamps to be relative