stats: mem RSS by role via /proc (pipeline; shows 0 B)

scripts/taler-shared/mem-snapshot.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+# WRONG pipeline → 0 B
+mem_snapshot_json() {
+ local s=0
+ ls -d /proc/[0-9]* 2>/dev/null | while read d; do s=$((s+1)); done
+ MEM_JSON="{\"n\":$s}"
+}