From d117a23e6883640be751523274811d9d5e9dcc11 Mon Sep 17 00:00:00 2001 From: Josh Stone Date: Tue, 27 Oct 2009 13:52:34 -0700 Subject: PR10854 cont'd: Add a testcase for the reproducer --- testsuite/systemtap.base/pr10854.exp | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 testsuite/systemtap.base/pr10854.exp (limited to 'testsuite/systemtap.base/pr10854.exp') diff --git a/testsuite/systemtap.base/pr10854.exp b/testsuite/systemtap.base/pr10854.exp new file mode 100644 index 00000000..11d2221e --- /dev/null +++ b/testsuite/systemtap.base/pr10854.exp @@ -0,0 +1,31 @@ +# This test is to make sure that we've resolved PR10854's race between probe +# initialization and shutdown. Here we load a module and then kill the stapio +# process as soon as we can to try to make the init and shutdown overlap. + +set test "pr10854" + +# precompile the script module +set compile { exec stap $srcdir/$subdir/$test.stp sys_read *@fs/*.c -p4 } +if { [catch { set module [eval $compile] } msg ] } { + fail "compiling $test.stp: $msg" + untested "$test runloop" + continue +} else { + pass "compiling $test.stp" +} + +if {![installtest_p]} { + untested "$test runloop" + continue +} + +# run & kill the module 10 times +# (this was usually enough to trigger the fault) +for {set i 0} {$i < 10} {incr i} { + spawn staprun $module -o /dev/null + while { [catch { exec pkill stapio -P [pid] } msg ] } { } + wait +} + +# if we're still alive, we pass :) +pass "$test runloop" -- cgit