From 26402e0c0f988fb1665f7c21da9ab720d71f0ee9 Mon Sep 17 00:00:00 2001 From: David Goulet Date: Fri, 28 Jun 2013 14:17:34 -0400 Subject: [PATCH] Tests: Add kernel snapshot streaming Signed-off-by: David Goulet --- .../tools/snapshots/test_kernel_streaming | 168 ++++++++++++++++++ tests/utils/utils.sh | 9 + 2 files changed, 177 insertions(+) create mode 100755 tests/regression/tools/snapshots/test_kernel_streaming diff --git a/tests/regression/tools/snapshots/test_kernel_streaming b/tests/regression/tools/snapshots/test_kernel_streaming new file mode 100755 index 000000000..7954b19c9 --- /dev/null +++ b/tests/regression/tools/snapshots/test_kernel_streaming @@ -0,0 +1,168 @@ +#!/bin/bash +# +# Copyright (C) - 2013 David Goulet +# +# 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 f73b1764c..5fca4a022 100644 --- 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 -- 2.34.1