--- /dev/null
+#!/bin/bash
+#
+# Copyright (C) - 2019 Jonathan Rajotte-Julien <jonathan.rajotte-julien@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="Clear - Kernel tracing"
+
+CURDIR=$(dirname $0)/
+TESTDIR=$CURDIR/../../..
+EVENT_NAME="lttng_test_filter_event"
+
+PAGE_SIZE=$(getconf PAGE_SIZE)
+TRACE_PATH=$(mktemp -d)
+
+NUM_TESTS=837
+
+source $TESTDIR/utils/utils.sh
+
+function signal_cleanup ()
+{
+ stop_lttng_sessiond
+ modprobe -r lttng-test
+ full_cleanup
+}
+
+function clean_path ()
+{
+ local trace_path=$1
+ set -u
+ rm -rf $trace_path/*
+ set +u
+}
+
+function cond_start_tracing ()
+{
+ local session_name=$1
+ local tracing_active=$2
+
+ if [[ $tracing_active -ne 1 ]]; then
+ start_lttng_tracing_ok $session_name
+ fi
+}
+
+function cond_stop_tracing ()
+{
+ local session_name=$1
+ local tracing_active=$2
+
+ if [[ $tracing_active -ne 1 ]]; then
+ stop_lttng_tracing_ok $session_name
+ fi
+}
+
+function do_clear_session ()
+{
+ local session_name=$1
+ local tracing_active=$2
+ local clear_twice=$3
+ local rotate_before=$4
+ local rotate_after=$5
+
+ cond_stop_tracing $session_name $tracing_active
+ if [[ $rotate_before -eq 1 ]]; then
+ rotate_session_ok $SESSION_NAME
+ fi
+ lttng_clear_session_ok $SESSION_NAME
+ if [[ $clear_twice -eq 1 ]]; then
+ lttng_clear_session_ok $SESSION_NAME
+ fi
+ if [[ $rotate_after -eq 1 ]]; then
+ if [[ $tracing_active -eq 1 ]]; then
+ rotate_session_ok $SESSION_NAME
+ else
+ # Expect failure
+ rotate_session_fail $SESSION_NAME
+ fi
+ fi
+ cond_start_tracing $session_name $tracing_active
+}
+
+function test_kernel_streaming ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+
+ diag "Test kernel streaming clear"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after"
+ create_lttng_session_uri $SESSION_NAME net://localhost
+ lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
+ start_lttng_tracing_ok $SESSION_NAME
+ # Generate 10 events that will sit in the buffers.
+ echo -n "10" > /proc/lttng-test-filter-event
+
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ validate_trace_count $EVENT_NAME $local_path 10
+ else
+ validate_trace_empty $local_path
+ fi
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_kernel_streaming_rotate_clear ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+
+ diag "Test kernel streaming rotate-clear"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after"
+ create_lttng_session_uri $SESSION_NAME net://localhost
+ lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
+ start_lttng_tracing_ok $SESSION_NAME
+ echo -n "1" > /proc/lttng-test-filter-event
+ rotate_session_ok $SESSION_NAME
+ echo -n "2" > /proc/lttng-test-filter-event
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+ echo -n "3" > /proc/lttng-test-filter-event
+
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ local expect_count=6
+ else
+ local expect_count=4
+ fi
+ validate_trace_count $EVENT_NAME $local_path $expect_count
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_kernel_streaming_clear_rotate()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+
+ diag "Test kernel streaming clear-rotate"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after"
+ create_lttng_session_uri $SESSION_NAME net://localhost
+ lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
+ start_lttng_tracing_ok $SESSION_NAME
+ echo -n "1" > /proc/lttng-test-filter-event
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+ echo -n "2" > /proc/lttng-test-filter-event
+ rotate_session_ok $SESSION_NAME
+ echo -n "3" > /proc/lttng-test-filter-event
+
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ local expect_count=6
+ else
+ local expect_count=5
+ fi
+ validate_trace_count $EVENT_NAME $local_path $expect_count
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_kernel_streaming_live ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+
+ diag "Test kernel streaming live clear"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice"
+ create_lttng_session_uri $SESSION_NAME net://localhost "--live"
+ lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
+ start_lttng_tracing_ok $SESSION_NAME
+ # Generate 10 events that will sit in the buffers.
+ echo -n "10" > /proc/lttng-test-filter-event
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice 0 0
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ validate_trace_empty $local_path
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+#no clear
+function test_kernel_basic_streaming_live_viewer ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ # 3, 4 unused
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+ local remote_trace_path="${HOSTNAME}/${SESSION_NAME}"
+ local channel_name="chan"
+ local bt_output_path=$(mktemp -u)
+ local file_sync_before_exit=$(mktemp -u)
+
+ diag "Test kernel basic streaming live with viewer"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice"
+ create_lttng_session_uri $SESSION_NAME net://localhost "--live"
+ enable_kernel_lttng_channel_ok $SESSION_NAME $channel_name
+ enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+
+ wait_live_trace_ready net://localhost
+
+ # Connect a live viewer
+ $BABELTRACE_BIN -i lttng-live net://localhost/host/$remote_trace_path > $bt_output_path &
+ local viewer_pid=$!
+
+ wait_live_viewer_connect net://localhost
+
+ echo -n "10" > /proc/lttng-test-filter-event
+
+ diag "Wait until viewer sees all 10 expected events"
+ local evcount=0
+ while [ $evcount -ne 10 ]; do
+ evcount=$(cat $bt_output_path | wc -l)
+ sleep 0.5
+ done
+ pass "Live viewer read $evcount events, expect 10"
+
+ destroy_lttng_session_ok $SESSION_NAME
+ touch $file_sync_before_exit
+ diag "Wait for viewer to exit"
+ wait $viewer_pid
+ ok $? "Babeltrace succeeds"
+ pass "Wait for viewer to exit"
+
+ rm -f $bt_output_path
+ rm -f $file_sync_before_exit
+}
+
+function test_kernel_streaming_live_viewer ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ # 3, 4 unused
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+ local remote_trace_path="${HOSTNAME}/${SESSION_NAME}"
+ local channel_name="chan"
+ local bt_output_path=$(mktemp -d)/bt-output.txt
+
+ diag "Test kernel streaming live clear with viewer"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice"
+ create_lttng_session_uri $SESSION_NAME net://localhost "--live"
+ enable_kernel_lttng_channel_ok $SESSION_NAME $channel_name
+ enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+
+ wait_live_trace_ready net://localhost
+
+ # Connect a live viewer
+ $BABELTRACE_BIN -i lttng-live net://localhost/host/$remote_trace_path > $bt_output_path &
+ local viewer_pid=$!
+
+ wait_live_viewer_connect net://localhost
+
+ echo -n "10" > /proc/lttng-test-filter-event
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice 0 0
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ destroy_lttng_session_ok $SESSION_NAME
+ diag "Wait for viewer to exit"
+ wait $viewer_pid
+ ok $? "Babeltrace succeeds"
+ pass "Wait for viewer to exit"
+
+ clean_path $bt_output_path
+}
+
+function test_kernel_local ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+
+ diag "Test kernel local"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after"
+ create_lttng_session_ok $SESSION_NAME $TRACE_PATH
+ lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
+ start_lttng_tracing_ok $SESSION_NAME
+ # Generate 10 events that will sit in the buffers.
+ echo -n "10" > /proc/lttng-test-filter-event
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ validate_trace_count $EVENT_NAME $TRACE_PATH 10
+ else
+ validate_trace_empty $TRACE_PATH
+ fi
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_kernel_local_rotate_clear ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+
+ diag "Test kernel local rotate-clear"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after"
+ create_lttng_session_ok $SESSION_NAME $TRACE_PATH
+ lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
+ start_lttng_tracing_ok $SESSION_NAME
+ echo -n "1" > /proc/lttng-test-filter-event
+ rotate_session_ok $SESSION_NAME
+ echo -n "2" > /proc/lttng-test-filter-event
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+ echo -n "3" > /proc/lttng-test-filter-event
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ local expect_count=6
+ else
+ local expect_count=4
+ fi
+ validate_trace_count $EVENT_NAME $TRACE_PATH $expect_count
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_kernel_local_clear_rotate()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+
+ diag "Test kernel local clear-rotate"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after"
+ create_lttng_session_ok $SESSION_NAME $TRACE_PATH
+ lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
+ start_lttng_tracing_ok $SESSION_NAME
+ echo -n "1" > /proc/lttng-test-filter-event
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+ echo -n "2" > /proc/lttng-test-filter-event
+ rotate_session_ok $SESSION_NAME
+ echo -n "3" > /proc/lttng-test-filter-event
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ local expect_count=6
+ else
+ local expect_count=5
+ fi
+ validate_trace_count $EVENT_NAME $TRACE_PATH $expect_count
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function do_kernel_snapshot ()
+{
+ local session_name=$1
+ local trace_path=$2
+ local tracing_active=$3
+ local clear_twice=$4
+ local rotate_before=$5
+ local rotate_after=$6
+
+ lttng_enable_kernel_event $session_name $EVENT_NAME
+ start_lttng_tracing_ok $session_name
+
+ # Generate 10 events that will sit in the buffers.
+ echo -n "10" > /proc/lttng-test-filter-event
+
+ # Take a first snapshot and validate that the events are present.
+ lttng_snapshot_record $session_name
+ stop_lttng_tracing_ok $session_name
+ validate_trace_count $EVENT_NAME $trace_path 10
+
+ # Clean the output path
+ clean_path $trace_path
+ start_lttng_tracing_ok $session_name
+
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice 0 0
+
+ # Make sure the subsequent snapshot is empty and valid.
+ lttng_snapshot_record $session_name
+ stop_lttng_tracing_ok $session_name
+ validate_trace_empty $trace_path
+
+ # Clean the output path
+ clean_path $trace_path
+ start_lttng_tracing_ok $session_name
+
+ # Make sure that everything still works, generate events and take a
+ # snapshot.
+ echo -n "10" > /proc/lttng-test-filter-event
+ lttng_snapshot_record $session_name
+ stop_lttng_tracing_ok $session_name
+ validate_trace_count $EVENT_NAME $trace_path 10
+}
+
+function test_kernel_streaming_snapshot ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+
+ diag "Test kernel streaming snapshot clear"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice"
+
+ create_lttng_session_uri $SESSION_NAME net://localhost "--snapshot"
+ do_kernel_snapshot $SESSION_NAME $TRACE_PATH $tracing_active $clear_twice
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_kernel_local_snapshot ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+
+ diag "Test kernel local snapshot clear"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice"
+
+ create_lttng_session_ok $SESSION_NAME $TRACE_PATH "--snapshot"
+ do_kernel_snapshot $SESSION_NAME $TRACE_PATH $tracing_active $clear_twice
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_kernel_streaming_tracefile_rotation ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+ local channel_name="rotchan"
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+
+ diag "Test kernel streaming clear with tracefile rotation"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after"
+ create_lttng_session_uri $SESSION_NAME net://localhost
+ enable_kernel_lttng_channel_ok $SESSION_NAME $channel_name --subbuf-size=$PAGE_SIZE \
+ --tracefile-size=$PAGE_SIZE --tracefile-count=2
+ enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+ echo -n "10" > /proc/lttng-test-filter-event
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ validate_trace_count $EVENT_NAME $local_path 10
+ else
+ validate_trace_empty $local_path
+ fi
+
+ start_lttng_tracing_ok $SESSION_NAME
+ echo -n "20" > /proc/lttng-test-filter-event
+ stop_lttng_tracing_ok
+
+ if [[ $rotate_before -eq 1 ]]; then
+ validate_trace_count $EVENT_NAME $local_path 30
+ else
+ validate_trace_count $EVENT_NAME $local_path 20
+ fi
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+# With 1 byte per event (as strict minimum), generating 200000 events
+# guarantees filling up 2 files of 64k in size, which is the maximum
+# page size known on Linux
+function test_kernel_streaming_tracefile_rotation_overwrite_files ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+ local channel_name="rotchan"
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+
+ diag "Test kernel streaming clear with tracefile rotation, overwrite files"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after"
+ create_lttng_session_uri $SESSION_NAME net://localhost
+ enable_kernel_lttng_channel_ok $SESSION_NAME $channel_name --subbuf-size=$PAGE_SIZE \
+ --tracefile-size=$PAGE_SIZE --tracefile-count=2
+ enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+ taskset -c 0 echo -n "200000" > /proc/lttng-test-filter-event
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ validate_trace_count_range_incl_min_excl_max $EVENT_NAME $local_path 1 200000
+ else
+ validate_trace_empty $local_path
+ fi
+
+ start_lttng_tracing_ok $SESSION_NAME
+ taskset -c 0 echo -n "400000" > /proc/lttng-test-filter-event
+ stop_lttng_tracing_ok
+
+ if [[ $rotate_before -eq 1 ]]; then
+ validate_trace_count_range_incl_min_excl_max $EVENT_NAME $local_path 1 600000
+ else
+ validate_trace_count_range_incl_min_excl_max $EVENT_NAME $local_path 1 200000
+ fi
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_kernel_disallow_clear ()
+{
+ diag "Test kernel disallow clear on relay daemon"
+ SESSION_NAME=$(randstring 16 0)
+
+ LTTNG_RELAYD_DISALLOW_CLEAR=1 start_lttng_relayd "-o $TRACE_PATH"
+
+ start_lttng_sessiond
+
+ create_lttng_session_uri $SESSION_NAME net://localhost
+ enable_kernel_lttng_event_ok $SESSION_NAME $EVENT_NAME
+ start_lttng_tracing_ok $SESSION_NAME
+ lttng_clear_session_fail $SESSION_NAME
+ destroy_lttng_session_ok $SESSION_NAME
+
+ stop_lttng_sessiond
+ stop_lttng_relayd
+ clean_path $TRACE_PATH
+}
+
+plan_tests $NUM_TESTS
+
+print_test_banner "$TEST_DESC"
+
+if [ "$(id -u)" == "0" ]; then
+ isroot=1
+else
+ isroot=0
+fi
+
+streaming_tests=(test_kernel_streaming
+ test_kernel_streaming_rotate_clear
+ test_kernel_streaming_clear_rotate
+ test_kernel_streaming_tracefile_rotation
+ test_kernel_streaming_tracefile_rotation_overwrite_files
+)
+
+live_tests=(test_kernel_streaming_live
+ test_kernel_basic_streaming_live_viewer
+ test_kernel_streaming_live_viewer
+)
+
+local_tests=(test_kernel_local
+ test_kernel_local_rotate_clear
+ test_kernel_local_clear_rotate
+)
+
+snapshot_tests=(test_kernel_streaming_snapshot
+ test_kernel_local_snapshot
+)
+
+skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
+{
+ trap signal_cleanup SIGTERM SIGINT
+
+ validate_lttng_modules_present
+
+ start_lttng_relayd "-o $TRACE_PATH"
+ start_lttng_sessiond
+ modprobe lttng-test
+
+ # Clear with tracing active, clear once
+ for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_tests[@]};
+ do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 1 0 0 0
+ clean_path $TRACE_PATH
+ done
+
+ # Clear with tracing active, clear twice
+ for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_tests[@]};
+ do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 1 1 0 0
+ clean_path $TRACE_PATH
+ done
+
+ # Clear with tracing inactive, clear once
+ for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_tests[@]};
+ do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 0 0 0 0
+ clean_path $TRACE_PATH
+ done
+
+ # Clear with tracing inactive, clear twice
+ for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_tests[@]};
+ do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 0 1 0 0
+ clean_path $TRACE_PATH
+ done
+
+ # Clear with tracing inactive, rotate-clear once
+ for fct_test in ${streaming_tests[@]} ${local_tests[@]};
+ do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 0 0 1 0
+ clean_path $TRACE_PATH
+ done
+
+ # Clear with tracing inactive, clear once-rotate(fail)
+ for fct_test in ${streaming_tests[@]} ${local_tests[@]};
+ do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 0 0 0 1
+ clean_path $TRACE_PATH
+ done
+
+ rmmod lttng-test
+ stop_lttng_sessiond
+ stop_lttng_relayd
+
+ test_kernel_disallow_clear
+}
+
+clean_path $TRACE_PATH
--- /dev/null
+#!/bin/bash
+#
+# Copyright (C) - 2019 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
+#
+# This library is free software; you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation; version 2.1 of the License.
+#
+# This library is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+TEST_DESC="Clear - UST tracing"
+
+CURDIR=$(dirname $0)/
+TESTDIR=$CURDIR/../../..
+EVENT_NAME="tp:tptest"
+SESSION_NAME=""
+TESTAPP_PATH="$TESTDIR/utils/testapp"
+TESTAPP_NAME="gen-ust-events"
+TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
+
+NUM_TESTS=1683
+
+PAGE_SIZE=$(getconf PAGE_SIZE)
+TRACE_PATH=$(mktemp -d)
+
+source $TESTDIR/utils/utils.sh
+
+if [ ! -x "$TESTAPP_BIN" ]; then
+ BAIL_OUT "No UST events binary detected."
+fi
+
+function clean_path ()
+{
+ local trace_path=$1
+ set -u
+ rm -rf $trace_path/*
+ set +u
+}
+
+function cond_start_tracing ()
+{
+ local session_name=$1
+ local tracing_active=$2
+
+ if [[ $tracing_active -ne 1 ]]; then
+ start_lttng_tracing_ok $session_name
+ fi
+}
+
+function cond_stop_tracing ()
+{
+ local session_name=$1
+ local tracing_active=$2
+
+ if [[ $tracing_active -ne 1 ]]; then
+ stop_lttng_tracing_ok $session_name
+ fi
+}
+
+function do_clear_session ()
+{
+ local session_name=$1
+ local tracing_active=$2
+ local clear_twice=$3
+ local rotate_before=$4
+ local rotate_after=$5
+
+ cond_stop_tracing $session_name $tracing_active
+ if [[ $rotate_before -eq 1 ]]; then
+ rotate_session_ok $SESSION_NAME
+ fi
+ lttng_clear_session_ok $SESSION_NAME
+ if [[ $clear_twice -eq 1 ]]; then
+ lttng_clear_session_ok $SESSION_NAME
+ fi
+ if [[ $rotate_after -eq 1 ]]; then
+ if [[ $tracing_active -eq 1 ]]; then
+ rotate_session_ok $SESSION_NAME
+ else
+ # Expect failure
+ rotate_session_fail $SESSION_NAME
+ fi
+ fi
+ cond_start_tracing $session_name $tracing_active
+}
+
+function test_ust_streaming ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+ local buffer_type=$5
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+ local channel_name="chan"
+
+ diag "Test ust streaming clear"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after, buffer_type=$buffer_type"
+ create_lttng_session_uri $SESSION_NAME net://localhost
+ enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --buffers-$buffer_type
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+ $TESTAPP_BIN -i 10
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ validate_trace_count $EVENT_NAME $local_path 10
+ else
+ if [[ "$buffer_type" == "uid" ]]; then
+ validate_trace_empty $local_path
+ else # pid
+ validate_directory_empty $local_path
+ fi
+ fi
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_ust_streaming_rotate_clear ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+ local buffer_type=$5
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+ local channel_name="chan"
+
+ diag "Test ust streaming rotate-clear"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after, buffer_type=$buffer_type"
+ create_lttng_session_uri $SESSION_NAME net://localhost
+ enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --buffers-$buffer_type
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+ $TESTAPP_BIN -i 1
+ rotate_session_ok $SESSION_NAME
+ $TESTAPP_BIN -i 2
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+ $TESTAPP_BIN -i 3
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ local expect_count=6
+ else
+ local expect_count=4
+ fi
+ validate_trace_count $EVENT_NAME $local_path $expect_count
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_ust_streaming_clear_rotate ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+ local buffer_type=$5
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+ local channel_name="chan"
+
+ diag "Test ust streaming clear-rotate"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after, buffer_type=$buffer_type"
+ create_lttng_session_uri $SESSION_NAME net://localhost
+ enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --buffers-$buffer_type
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+ $TESTAPP_BIN -i 1
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+ $TESTAPP_BIN -i 2
+ rotate_session_ok $SESSION_NAME
+ $TESTAPP_BIN -i 3
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ local expect_count=6
+ else
+ local expect_count=5
+ fi
+ validate_trace_count $EVENT_NAME $local_path $expect_count
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_ust_streaming_live ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ # 3, 4 unused
+ local buffer_type=$5
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+ local channel_name="chan"
+
+ diag "Test ust streaming live clear"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, buffer_type=$buffer_type"
+ create_lttng_session_uri $SESSION_NAME net://localhost "--live"
+ enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --buffers-$buffer_type
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+ $TESTAPP_BIN -i 10
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice 0 0
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ validate_directory_empty $local_path
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+#no clear
+function test_ust_basic_streaming_live_viewer ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ # 3, 4 unused
+ local buffer_type=$5
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+ local remote_trace_path="${HOSTNAME}/${SESSION_NAME}"
+ local channel_name="chan"
+ local bt_output_path=$(mktemp -u)
+ local file_sync_before_exit=$(mktemp -u)
+
+ diag "Test ust basic streaming live with viewer"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, buffer_type=$buffer_type"
+ create_lttng_session_uri $SESSION_NAME net://localhost "--live"
+ enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --buffers-$buffer_type
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+
+ wait_live_trace_ready net://localhost
+
+ # Connect a live viewer
+ $BABELTRACE_BIN -i lttng-live net://localhost/host/$remote_trace_path > $bt_output_path &
+ local viewer_pid=$!
+
+ wait_live_viewer_connect net://localhost
+
+ $TESTAPP_BIN -i 10 --sync-before-exit $file_sync_before_exit &
+ local app_pid=$!
+
+ diag "Wait until viewer sees all 10 expected events"
+ local evcount=0
+ while [ $evcount -ne 10 ]; do
+ evcount=$(cat $bt_output_path | wc -l)
+ sleep 0.5
+ done
+ pass "Live viewer read $evcount events, expect 10"
+
+ destroy_lttng_session_ok $SESSION_NAME
+ touch $file_sync_before_exit
+ diag "Wait for application to exit"
+ wait $app_pid
+ pass "Wait for application to exit"
+ diag "Wait for viewer to exit"
+ wait $viewer_pid
+ ok $? "Babeltrace succeeds"
+ pass "Wait for viewer to exit"
+
+ rm -f $bt_output_path
+ rm -f $file_sync_before_exit
+}
+
+function test_ust_streaming_live_viewer ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ # 3, 4 unused
+ local buffer_type=$5
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+ local remote_trace_path="${HOSTNAME}/${SESSION_NAME}"
+ local channel_name="chan"
+ local bt_output_path=$(mktemp -d)/bt-output.txt
+
+ diag "Test ust streaming live clear with viewer"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, buffer_type=$buffer_type"
+ create_lttng_session_uri $SESSION_NAME net://localhost "--live"
+ enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --buffers-$buffer_type
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+
+ wait_live_trace_ready net://localhost
+
+ # Connect a live viewer
+ $BABELTRACE_BIN -i lttng-live net://localhost/host/$remote_trace_path > $bt_output_path &
+ local viewer_pid=$!
+
+ wait_live_viewer_connect net://localhost
+
+ $TESTAPP_BIN -i 10
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice 0 0
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ destroy_lttng_session_ok $SESSION_NAME
+ diag "Wait for viewer to exit"
+ wait $viewer_pid
+ ok $? "Babeltrace succeeds"
+ pass "Wait for viewer to exit"
+
+ clean_path $bt_output_path
+}
+
+function test_ust_local ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+ local buffer_type=$5
+ local channel_name="chan"
+
+ diag "Test ust local"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after, buffer_type=$buffer_type"
+ create_lttng_session_ok $SESSION_NAME $TRACE_PATH
+ enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --buffers-$buffer_type
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+ $TESTAPP_BIN -i 10
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ validate_trace_count $EVENT_NAME $TRACE_PATH 10
+ else
+ if [[ "$buffer_type" == "uid" ]]; then
+ validate_trace_empty $TRACE_PATH
+ else # pid
+ validate_directory_empty $TRACE_PATH
+ fi
+ fi
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_ust_local_rotate_clear ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+ local buffer_type=$5
+ local channel_name="chan"
+
+ diag "Test ust local rotate-clear"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after, buffer_type=$buffer_type"
+ create_lttng_session_ok $SESSION_NAME $TRACE_PATH
+ enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --buffers-$buffer_type
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+ $TESTAPP_BIN -i 1
+ rotate_session_ok $SESSION_NAME
+ $TESTAPP_BIN -i 2
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+ $TESTAPP_BIN -i 3
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ local expect_count=6
+ else
+ local expect_count=4
+ fi
+ validate_trace_count $EVENT_NAME $TRACE_PATH $expect_count
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_ust_local_clear_rotate ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+ local buffer_type=$5
+ local channel_name="chan"
+
+ diag "Test ust local clear-rotate"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after, buffer_type=$buffer_type"
+ create_lttng_session_ok $SESSION_NAME $TRACE_PATH
+ enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --buffers-$buffer_type
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+ $TESTAPP_BIN -i 1
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+ $TESTAPP_BIN -i 2
+ rotate_session_ok $SESSION_NAME
+ $TESTAPP_BIN -i 3
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ local expect_count=6
+ else
+ local expect_count=5
+ fi
+ validate_trace_count $EVENT_NAME $TRACE_PATH $expect_count
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function do_ust_snapshot ()
+{
+ local session_name=$1
+ local trace_path=$2
+ local tracing_active=$3
+ local clear_twice=$4
+ local buffer_type=$5
+ local channel_name="snapshot"
+
+ enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --buffers-$buffer_type
+ enable_ust_lttng_event_ok $session_name $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $session_name
+
+ # Generate 10 events that will sit in the buffers.
+ $TESTAPP_BIN -i 10
+
+ # Take a first snapshot and validate that the events are present.
+ lttng_snapshot_record $session_name
+ stop_lttng_tracing_ok $session_name
+ validate_trace_count $EVENT_NAME $trace_path 10
+
+ # Clean the output path
+ clean_path $trace_path
+ start_lttng_tracing_ok $session_name
+
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice 0 0
+
+ # Make sure the subsequent snapshot is empty and valid.
+ lttng_snapshot_record $session_name
+ stop_lttng_tracing_ok $session_name
+ validate_trace_empty $trace_path
+
+ # Clean the output path
+ clean_path $trace_path
+ start_lttng_tracing_ok $session_name
+
+ # Make sure that everything still works, generate events and take a
+ # snapshot.
+ $TESTAPP_BIN -i 10
+ lttng_snapshot_record $session_name
+ stop_lttng_tracing_ok $session_name
+ validate_trace_count $EVENT_NAME $trace_path 10
+}
+
+function test_ust_streaming_snapshot ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ # 3, 4 unused.
+ local buffer_type=$5
+
+ diag "Test ust streaming snapshot clear"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, buffer_type=$buffer_type"
+
+ create_lttng_session_uri $SESSION_NAME net://localhost "--snapshot"
+ do_ust_snapshot $SESSION_NAME $TRACE_PATH $tracing_active $clear_twice $buffer_type
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_ust_local_snapshot ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ # 3, 4 unused.
+ local buffer_type=$5
+
+ diag "Test ust local snapshot clear"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, buffer_type=$buffer_type"
+
+ create_lttng_session_ok $SESSION_NAME $TRACE_PATH "--snapshot"
+ do_ust_snapshot $SESSION_NAME $TRACE_PATH $tracing_active $clear_twice $buffer_type
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+# snapshot for per-pid is tested independently of the "buffer type" parameter
+# because an application needs to be live to appear in a snapshot.
+function test_ust_local_snapshot_per_pid ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ # 3, 4 unused.
+ local buffer_type=$5
+ local channel_name="channel0"
+ local file_sync_before_last=$(mktemp -u)
+ local file_sync_before_last_touch=$(mktemp -u)
+ local file_sync_before_exit=$(mktemp -u)
+ local file_sync_before_exit_touch=$(mktemp -u)
+
+ diag "Test ust local snapshot clear per pid"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, buffer_type=$buffer_type"
+
+ create_lttng_session_ok $SESSION_NAME $TRACE_PATH "--snapshot"
+ enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --buffers-$buffer_type
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+
+ # Generate 10 events that will sit in the buffers.
+ $TESTAPP_BIN -i 10 -w 0 \
+ --sync-before-last-event ${file_sync_before_last} \
+ --sync-before-last-event-touch ${file_sync_before_last_touch} \
+ --sync-before-exit ${file_sync_before_exit} \
+ --sync-before-exit-touch ${file_sync_before_exit_touch} >/dev/null 2>&1 &
+
+ # Continue only when there is only the last event remaining.
+ while [ ! -f "${file_sync_before_last_touch}" ]; do
+ sleep 0.5
+ done
+
+ # Take a first snapshot and validate that the events are present.
+ lttng_snapshot_record $SESSION_NAME
+ stop_lttng_tracing_ok $SESSION_NAME
+ validate_trace_count $EVENT_NAME $TRACE_PATH 9
+
+ # Clean the output path
+ clean_path $TRACE_PATH
+ start_lttng_tracing_ok $SESSION_NAME
+
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice 0 0
+
+ # Make sure the subsequent snapshot is empty and valid.
+ lttng_snapshot_record $SESSION_NAME
+ stop_lttng_tracing_ok $SESSION_NAME
+ validate_trace_empty $TRACE_PATH
+
+ # Validate that tracing still works and subsequent snapshots are valid.
+ # Clean the output path.
+ clean_path $TRACE_PATH
+ start_lttng_tracing_ok $SESSION_NAME
+
+ # Continue over the last event.
+ touch ${file_sync_before_last}
+
+ # Wait for the before exit sync point. This ensure that we went over the
+ # last tracepoint.
+ while [ ! -f "${file_sync_before_exit_touch}" ]; do
+ sleep 0.5
+ done
+
+ # Make sure the snapshot contains the last event.
+ lttng_snapshot_record $SESSION_NAME
+ stop_lttng_tracing_ok $SESSION_NAME
+ validate_trace_count $EVENT_NAME $TRACE_PATH 1
+
+ # Release the application.
+ touch ${file_sync_before_exit}
+ wait
+ destroy_lttng_session_ok $SESSION_NAME
+
+ rm -f ${file_sync_before_last}
+ rm -f ${file_sync_before_last_touch}
+ rm -f ${file_sync_before_exit}
+ rm -f ${file_sync_before_exit_touch}
+}
+
+function test_ust_streaming_tracefile_rotation ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+ local buffer_type=$5
+ local channel_name="rotchan"
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+
+ diag "Test ust streaming clear with tracefile rotation"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after, buffer_type=$buffer_type"
+ create_lttng_session_uri $SESSION_NAME net://localhost
+ enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --subbuf-size=$PAGE_SIZE \
+ --tracefile-size=$PAGE_SIZE --tracefile-count=2 --buffers-$buffer_type
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+ $TESTAPP_BIN -i 10
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ validate_trace_count $EVENT_NAME $local_path 10
+ else
+ if [[ "$buffer_type" == "uid" ]]; then
+ validate_trace_empty $local_path
+ else # pid
+ validate_directory_empty $local_path
+ fi
+ fi
+
+ start_lttng_tracing_ok $SESSION_NAME
+ $TESTAPP_BIN -i 20
+ stop_lttng_tracing_ok
+
+ if [[ $rotate_before -eq 1 ]]; then
+ validate_trace_count $EVENT_NAME $local_path 30
+ else
+ validate_trace_count $EVENT_NAME $local_path 20
+ fi
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+# With 1 byte per event (as strict minimum), generating 200000 events
+# guarantees filling up 2 files of 64k in size, which is the maximum
+# page size known on Linux
+function test_ust_streaming_tracefile_rotation_overwrite_files ()
+{
+ local tracing_active=$1
+ local clear_twice=$2
+ local rotate_before=$3
+ local rotate_after=$4
+ local buffer_type=$5
+ local channel_name="rotchan"
+ local local_path="${TRACE_PATH}/${HOSTNAME}/${SESSION_NAME}*"
+
+ diag "Test ust streaming clear with tracefile rotation, overwrite files"
+ diag "Parameters: tracing_active=$tracing_active, clear_twice=$clear_twice, rotate_before=$rotate_before, rotate_after=$rotate_after, buffer_type=$buffer_type"
+ create_lttng_session_uri $SESSION_NAME net://localhost
+ enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --subbuf-size=$PAGE_SIZE \
+ --tracefile-size=$PAGE_SIZE --tracefile-count=2 --buffers-$buffer_type
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+ start_lttng_tracing_ok $SESSION_NAME
+ taskset -c 0 $TESTAPP_BIN -i 200000
+ do_clear_session $SESSION_NAME $tracing_active $clear_twice $rotate_before $rotate_after
+ stop_lttng_tracing_ok $SESSION_NAME
+
+ if [[ $rotate_before -eq 1 ]]; then
+ validate_trace_count_range_incl_min_excl_max $EVENT_NAME $local_path 1 200000
+ else
+ if [[ "$buffer_type" == "uid" ]]; then
+ validate_trace_empty $local_path
+ else # pid
+ validate_directory_empty $local_path
+ fi
+ fi
+
+ start_lttng_tracing_ok $SESSION_NAME
+ taskset -c 0 $TESTAPP_BIN -i 400000
+ stop_lttng_tracing_ok
+
+ if [[ $rotate_before -eq 1 ]]; then
+ validate_trace_count_range_incl_min_excl_max $EVENT_NAME $local_path 1 600000
+ else
+ validate_trace_count_range_incl_min_excl_max $EVENT_NAME $local_path 1 200000
+ fi
+
+ destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_ust_disallow_clear ()
+{
+ diag "Test ust disallow clear on relay daemon"
+ SESSION_NAME=$(randstring 16 0)
+
+ LTTNG_RELAYD_DISALLOW_CLEAR=1 start_lttng_relayd "-o $TRACE_PATH"
+
+ start_lttng_sessiond
+
+ create_lttng_session_uri $SESSION_NAME net://localhost
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
+ start_lttng_tracing_ok $SESSION_NAME
+ lttng_clear_session_fail $SESSION_NAME
+ destroy_lttng_session_ok $SESSION_NAME
+
+ stop_lttng_sessiond
+ stop_lttng_relayd
+ clean_path $TRACE_PATH
+}
+
+plan_tests $NUM_TESTS
+
+print_test_banner "$TEST_DESC"
+
+streaming_tests=(test_ust_streaming
+ test_ust_streaming_rotate_clear
+ test_ust_streaming_clear_rotate
+ test_ust_streaming_tracefile_rotation
+ test_ust_streaming_tracefile_rotation_overwrite_files
+)
+
+live_tests=(test_ust_streaming_live
+ test_ust_basic_streaming_live_viewer
+ test_ust_streaming_live_viewer
+)
+
+local_tests=(test_ust_local
+ test_ust_local_rotate_clear
+ test_ust_local_clear_rotate
+)
+
+snapshot_uid_tests=(test_ust_streaming_snapshot
+ test_ust_local_snapshot
+)
+
+snapshot_pid_tests=(test_ust_local_snapshot_per_pid)
+
+start_lttng_relayd "-o $TRACE_PATH"
+start_lttng_sessiond
+
+# Per-UID buffers
+
+# Clear with tracing active, clear once
+for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_uid_tests[@]};
+do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 1 0 0 0 uid
+ clean_path $TRACE_PATH
+done
+
+# Clear with tracing active, clear twice
+for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_uid_tests[@]};
+do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 1 1 0 0 uid
+ clean_path $TRACE_PATH
+done
+
+# Clear with tracing inactive, clear once
+for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_uid_tests[@]};
+do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 0 0 0 0 uid
+ clean_path $TRACE_PATH
+done
+
+# Clear with tracing inactive, clear twice
+for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_uid_tests[@]};
+do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 0 1 0 0 uid
+ clean_path $TRACE_PATH
+done
+
+# Clear with tracing inactive, rotate-clear once
+for fct_test in ${streaming_tests[@]} ${local_tests[@]};
+do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 0 0 1 0 uid
+ clean_path $TRACE_PATH
+done
+
+# Clear with tracing inactive, clear once-rotate(fail)
+for fct_test in ${streaming_tests[@]} ${local_tests[@]};
+do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 0 0 0 1 uid
+ clean_path $TRACE_PATH
+done
+
+
+# Per-PID buffers.
+
+# Clear with tracing active, clear once
+for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_pid_tests[@]};
+do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 1 0 0 0 pid
+ clean_path $TRACE_PATH
+done
+
+# Clear with tracing active, clear twice
+for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_pid_tests[@]};
+do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 1 1 0 0 pid
+ clean_path $TRACE_PATH
+done
+
+# Clear with tracing inactive, clear once
+for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_pid_tests[@]};
+do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 0 0 0 0 pid
+ clean_path $TRACE_PATH
+done
+
+# Clear with tracing inactive, clear twice
+for fct_test in ${streaming_tests[@]} ${live_tests[@]} ${local_tests[@]} ${snapshot_pid_tests[@]};
+do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 0 1 0 0 pid
+ clean_path $TRACE_PATH
+done
+
+# Clear with tracing inactive, rotate-clear once
+for fct_test in ${streaming_tests[@]} ${local_tests[@]};
+do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 0 0 1 0 pid
+ clean_path $TRACE_PATH
+done
+
+# Clear with tracing inactive, clear once-rotate(fail)
+for fct_test in ${streaming_tests[@]} ${local_tests[@]};
+do
+ SESSION_NAME=$(randstring 16 0)
+ ${fct_test} 0 0 0 1 pid
+ clean_path $TRACE_PATH
+done
+
+stop_lttng_sessiond
+stop_lttng_relayd
+
+test_ust_disallow_clear
projects / lttng-tools.git / commitdiff
