2026-03-12 20:23:15

tpt/tools/unix/procio.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# Tiny Linux /proc/<pid>/io demo script by Tanel Poder
+#   http://www.tanelpoder.com
+
+PID=$1
+TMPFILE1=/tmp/procio.${PID}.tmp1
+TMPFILE2=/tmp/procio.${PID}.tmp2
+SLEEP=5
+
+trap 'rm -f $TMPFILE1 $TMPFILE2 ; exit 0' 0
+
+echo Sampling process $PID IO every $SLEEP seconds...
+
+cat /proc/$PID/io > $TMPFILE2
+
+while true ; do
+    mv $TMPFILE2 $TMPFILE1
+    sleep $SLEEP
+    cat /proc/$PID/io > $TMPFILE2
+    paste $TMPFILE1 $TMPFILE2 | awk '{ printf "%30s %d\n", $1, $4-$2 }'
+    echo
+done
+