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set test "flightrec5"
if {![installtest_p]} { untested $test; return }
# run stapio in background mode with number limit and bulk mode
spawn stap -F -S 1,2 -b -o $test.out -we {probe begin {}}
# check whether stap outputs stapio pid
set pid 0
expect {
-timeout 240
-re {([0-9]+)\r\n} {
pass "$test (flight recorder option)"
set pid $expect_out(1,string)
exp_continue}
timeout { fail "$test (timeout)" }
eof { }
}
wait
if {$pid == 0} {
fail "$test (no pid)"
return -1
}
# switch file to .1
exec kill -USR2 $pid
# check output file
eval set outfile {[glob -nocomplain $test.out_cpu*.0]}
if {$outfile == ""} {
fail "$test (no output file) $outfile"
exec kill -TERM $pid
return -1
} else {
pass "$test (output file)"
}
eval exec rm $outfile
# switch file to .2
exec kill -USR2 $pid
# switch file to .3 (this time, .1 file should be deleted)
exec kill -USR2 $pid
exec kill -TERM $pid
# check switched output file
eval set outfile {[glob -nocomplain $test.out_cpu*.1]}
if {$outfile == ""} {
pass "$test (old output file is removed)"
} else {
fail "$test (failed to remove output file)"
eval exec rm $outfile
return -1
}
# check switched output file
eval set outfile {[glob -nocomplain $test.out_cpu*.*]}
if {$outfile == ""} {
fail "$test (failed to switch output file)"
return -1
} else {
pass "$test (switch output file)"
}
eval exec rm $outfile
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