Tests: Add kernel snapshot streaming

Signed-off-by: David Goulet <dgoulet@efficios.com>

diff --git a/tests/regression/tools/snapshots/test_kernel_streaming b/tests/regression/tools/snapshots/test_kernel_streaming
new file mode 100755 (executable)
index 0000000..7954b19
--- /dev/null
+++ b/tests/regression/tools/snapshots/test_kernel_streaming
@@ -0,0 +1,168 @@
+#!/bin/bash
+#
+# Copyright (C) - 2013 David Goulet <dgoulet@efficios.com>
+#
+# This library is free software; you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation; version 2.1 of the License.
+#
+# This library is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+TEST_DESC="Streaming - Snapshot Kernel tracing"
+
+CURDIR=$(dirname $0)/
+TESTDIR=$CURDIR/../../..
+EVENT_NAME="sched_switch"
+PID_RELAYD=0
+SESSION_NAME=""
+CHANNEL_NAME="chan1"
+
+TRACE_PATH=$(mktemp -d)
+
+NUM_TESTS=13
+
+source $TESTDIR/utils/utils.sh
+
+# LTTng kernel modules check
+out=`ls /lib/modules/$(uname -r)/extra | grep lttng`
+if [ -z "$out" ]; then
+       BAIL_OUT "LTTng modules not detected."
+fi
+
+function snapshot_add_output ()
+{
+       local sess_name=$1
+       local trace_path=$2
+       local name=$3
+       local extra_opt=""
+
+       if [ ! -z $name ]; then
+               extra_opt="-n $name"
+       fi
+
+       $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output -s $sess_name $extra_opt $trace_path >/dev/null 2>&1
+       ok $? "Added snapshot output $trace_path"
+}
+
+# Test a snapshot using a default name for the output destination.
+function test_kernel_default_name_with_del()
+{
+       diag "Test kernel snapshot streaming with default name with delete output"
+       create_lttng_session_no_output $SESSION_NAME
+       enable_lttng_mmap_overwrite_kernel_channel $SESSION_NAME $CHANNEL_NAME
+       lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
+       start_lttng_tracing $SESSION_NAME
+       snapshot_add_output $SESSION_NAME "net://localhost"
+       lttng_snapshot_record $SESSION_NAME
+
+       # Validate test
+       validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/snapshot-1*
+       if [ $? -ne 0 ]; then
+               return $?
+       fi
+
+       lttng_snapshot_del_output $SESSION_NAME 1
+       snapshot_add_output $SESSION_NAME "net://localhost"
+       lttng snapshot list-output
+       lttng_snapshot_record $SESSION_NAME
+
+       # Validate test with the next ID since a del output was done prior.
+       validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/snapshot-2*
+       if [ $? -ne 0 ]; then
+               return $?
+       fi
+
+       stop_lttng_tracing $SESSION_NAME
+       destroy_lttng_session $SESSION_NAME
+
+       return 0
+}
+
+# Test a snapshot using a default name for the output destination.
+function test_kernel_default_name()
+{
+       diag "Test kernel snapshot streaming with default name"
+       create_lttng_session_no_output $SESSION_NAME
+       enable_lttng_mmap_overwrite_kernel_channel $SESSION_NAME $CHANNEL_NAME
+       lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
+       start_lttng_tracing $SESSION_NAME
+       snapshot_add_output $SESSION_NAME "net://localhost"
+       lttng_snapshot_record $SESSION_NAME
+       stop_lttng_tracing $SESSION_NAME
+       destroy_lttng_session $SESSION_NAME
+       # Validate test
+       validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/snapshot-1*
+       out=$?
+
+       return $out
+}
+
+# Test a snapshot using a custom name for the output destination.
+function test_kernel_custom_name()
+{
+       local out
+       local name="asnapshotname"
+
+       diag "Test kernel snapshot streaming with custom name"
+       create_lttng_session_no_output $SESSION_NAME
+       enable_lttng_mmap_overwrite_kernel_channel $SESSION_NAME $CHANNEL_NAME
+       lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
+       start_lttng_tracing $SESSION_NAME
+       snapshot_add_output $SESSION_NAME "net://localhost" $name
+       lttng_snapshot_record $SESSION_NAME
+       stop_lttng_tracing $SESSION_NAME
+       destroy_lttng_session $SESSION_NAME
+
+       if ls $TRACE_PATH/$HOSTNAME/$name* &> /dev/null; then
+               ok 0 "Custom name snapshot exists"
+               # Validate test
+               validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$name-*
+               out=$?
+       else
+               fail "No custom name snapshot found"
+               out=1
+       fi
+
+       return $out
+}
+
+plan_tests $NUM_TESTS
+
+print_test_banner "$TEST_DESC"
+
+if [ "$(id -u)" == "0" ]; then
+       isroot=1
+else
+       isroot=0
+fi
+
+skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
+{
+       start_lttng_relayd "-o $TRACE_PATH"
+       start_lttng_sessiond
+
+       tests=( test_kernel_default_name test_kernel_custom_name \
+                       test_kernel_default_name_with_del )
+
+       for fct_test in ${tests[@]};
+       do
+               SESSION_NAME=$(randstring 16 0)
+               ${fct_test}
+               if [ $? -eq 0 ]; then
+                       # Only delete if successful
+                       echo allo
+                       #rm -rf $TRACE_PATH
+               else
+                       break
+               fi
+       done
+
+       stop_lttng_sessiond
+       stop_lttng_relayd
+}

diff --git a/tests/utils/utils.sh b/tests/utils/utils.sh
index f73b1764c7c32750f3e8a44fd44edcfe4f9bb69b..5fca4a0227ceaec51cd9c46c2ae746520a851af2 100644 (file)
--- a/tests/utils/utils.sh
+++ b/tests/utils/utils.sh
@@ -315,6 +315,15 @@ function lttng_snapshot_add_output ()
        ok $? "Added snapshot output file://$trace_path"
 }
 
+function lttng_snapshot_del_output ()
+{
+       local sess_name=$1
+       local id=$2
+
+       $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot del-output -s $sess_name $id >/dev/null 2>&1
+       ok $? "Deleted snapshot output id $id"
+}
+
 function lttng_snapshot_record ()
 {
        sess_name=$1