test.d/00basic/snapshot.tc

0001 #!/bin/sh
0002 # description: Snapshot and tracing setting
0003 # requires: snapshot
0004 # flags: instance
0005
0006 echo "Set tracing off"
0007 echo 0 > tracing_on
0008
0009 echo "Allocate and take a snapshot"
0010 echo 1 > snapshot
0011
0012 # Since trace buffer is empty, snapshot is also empty, but allocated
0013 grep -q "Snapshot is allocated" snapshot
0014
0015 echo "Ensure keep tracing off"
0016 test `cat tracing_on` -eq 0
0017
0018 echo "Set tracing on"
0019 echo 1 > tracing_on
0020
0021 echo "Take a snapshot again"
0022 echo 1 > snapshot
0023
0024 echo "Ensure keep tracing on"
0025 test `cat tracing_on` -eq 1
0026
0027 exit 0