maybe fixed fork logging

run_all_experiments.sh

@@ -14,13 +14,13 @@ log() {
 }
 
 count_processes() {
-  find /proc -maxdepth 1 -type d -regex '/proc/[0-9]+' 2>/dev/null | wc -l
+  # Avoid find -regex portability issues (busybox) by using globbing on /proc.
+  ls -d /proc/[0-9]* 2>/dev/null | wc -l
 }
 
 count_threads_total() {
-  find /proc -maxdepth 2 -type f -regex '/proc/[0-9]+/status' -print0 2>/dev/null \
+  # Sum Threads: from all /proc/<pid>/status entries.
-    | xargs -0 awk '/^Threads:/ {sum+=$2} END {print sum+0}' 2>/dev/null \
+  awk '/^Threads:/ {sum+=$2} END {print sum+0}' /proc/[0-9]*/status 2>/dev/null || echo 0
-    || echo 0
 }
 
 get_mem_kb() {