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Diffstat (limited to 'src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/sparc/ustack/tst.trapstat.ksh')
-rw-r--r--src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/sparc/ustack/tst.trapstat.ksh87
1 files changed, 87 insertions, 0 deletions
diff --git a/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/sparc/ustack/tst.trapstat.ksh b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/sparc/ustack/tst.trapstat.ksh
new file mode 100644
index 00000000..84af8006
--- /dev/null
+++ b/src/VBox/ExtPacks/VBoxDTrace/onnv/cmd/dtrace/test/tst/sparc/ustack/tst.trapstat.ksh
@@ -0,0 +1,87 @@
+#/bin/ksh -p
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2007 Sun Microsystems, Inc. All rights reserved.
+# Use is subject to license terms.
+#
+# ident "%Z%%M% %I% %E% SMI"
+
+#
+# This script verifies that user-land stacks can be walked safely
+# when the trapstat(1M) utility is running. An arbitrary program, w(1),
+# is started once a second to ensure stacks can be walked at all stages
+# of the process lifecycle.
+#
+
+script()
+{
+ $dtrace -o $dtraceout -s /dev/stdin <<EOF
+ fbt:::
+ {
+ @[ustackdepth] = count();
+ }
+EOF
+}
+
+run_commands()
+{
+ cnt=0
+
+ while [ $cnt -lt 10 ]; do
+ w > /dev/null
+ sleep 1
+ cnt=$(($cnt+1))
+ done
+}
+
+if [ $# != 1 ]; then
+ echo expected one argument: '<'dtrace-path'>'
+ exit 2
+fi
+
+dtrace=$1
+dtraceout=/tmp/dtrace.out.$$
+script 2>/dev/null &
+timeout=15
+
+#
+# Sleep while the above script fires into life. To guard against dtrace dying
+# and us sleeping forever we allow 15 secs for this to happen. This should be
+# enough for even the slowest systems.
+#
+while [ ! -f $dtraceout ]; do
+ sleep 1
+ timeout=$(($timeout-1))
+ if [ $timeout -eq 0 ]; then
+ echo "dtrace failed to start. Exiting."
+ exit 1
+ fi
+done
+
+run_commands &
+trapstat -t 1 10
+status=$?
+
+rm $dtraceout
+
+exit $status