snapshot.tc

 1#!/bin/sh
 2# description: Snapshot and tracing setting
 3# requires: snapshot
 4# flags: instance
 5
 6echo "Set tracing off"
 7echo 0 > tracing_on
 8
 9echo "Allocate and take a snapshot"
10echo 1 > snapshot
11
12# Since trace buffer is empty, snapshot is also empty, but allocated
13grep -q "Snapshot is allocated" snapshot
14
15echo "Ensure keep tracing off"
16test `cat tracing_on` -eq 0
17
18echo "Set tracing on"
19echo 1 > tracing_on
20
21echo "Take a snapshot again"
22echo 1 > snapshot
23
24echo "Ensure keep tracing on"
25test `cat tracing_on` -eq 1
26
27exit 0