diff options
Diffstat (limited to 'cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noreap.ksh')
-rw-r--r-- | cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noreap.ksh | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noreap.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noreap.ksh new file mode 100644 index 000000000000..a2837d888cc9 --- /dev/null +++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/usdt/tst.noreap.ksh @@ -0,0 +1,128 @@ +# +# 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 (c) 2011, Joyent, Inc. All rights reserved. +# + +if [ $# != 1 ]; then + echo expected one argument: '<'dtrace-path'>' + exit 2 +fi + +dtrace=$1 +DIR=/var/tmp/dtest.$$ + +mkdir $DIR +cd $DIR + +cat > test.c <<EOF +#include <unistd.h> +#include <sys/sdt.h> + +int +main(int argc, char **argv) +{ + DTRACE_PROBE(test_prov, probe1); +} +EOF + +cat > prov.d <<EOF +provider test_prov { + probe probe1(); +}; +EOF + +cc -c test.c +if [ $? -ne 0 ]; then + print -u2 "failed to compile test.c" + exit 1 +fi +$dtrace -G -s prov.d test.o +if [ $? -ne 0 ]; then + print -u2 "failed to create DOF" + exit 1 +fi +cc -o test test.o prov.o +if [ $? -ne 0 ]; then + print -u2 "failed to link final executable" + exit 1 +fi + +script() +{ + $dtrace -Zwqs /dev/stdin <<EOF + + BEGIN + { + spec = speculation(); + speculate(spec); + printf("this is speculative!\n"); + } + + test_prov*::: + { + probeid = id; + } + + tick-1sec + /probeid == 0/ + { + printf("launching test\n"); + system("./test"); + } + + tick-1sec + /probeid != 0/ + { + printf("attempting re-enabling\n"); + system("dtrace -e -x errtags -i %d", probeid); + attempts++; + } + + tick-1sec + /attempts > 10/ + { + exit(0); + } +EOF +} + +script 2>&1 | tee test.out + +# +# It should be true that our probe was not reaped after the provider was made +# defunct: the speculative tracing action prevents reaping of any ECB in the +# enabling. +# +status=0 + +if grep D_PDESC_INVAL test.out 2> /dev/null 1>&2 ; then + status=1 +else + grep D_PROC_GRAB test.out 2> /dev/null 1>&2 + status=$? +fi + +cd / +rm -rf $DIR + +exit $status |