[lttng-dev] [PATCH lttng-tools 09/10] test: kernel tracing destroy flush behavior with tracefile rotation

[jeremie.galarneau@efficios.com (Jérémie Galarneau)]

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Merged, thanks!

Jérémie

On Wed, May 18, 2016 at 2:04 PM, Mathieu Desnoyers
<mathieu.desnoyers at efficios.com> wrote:
> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers at efficios.com>
> ---
>  tests/regression/kernel/Makefile.am                |   3 +-
>  .../regression/kernel/test_rotation_destroy_flush  | 153 +++++++++++++++++++++
>  tests/root_regression                              |   1 +
>  3 files changed, 156 insertions(+), 1 deletion(-)
>  create mode 100755 tests/regression/kernel/test_rotation_destroy_flush
>
> diff --git a/tests/regression/kernel/Makefile.am b/tests/regression/kernel/Makefile.am
> index ca73ed4..a8c397a 100644
> --- a/tests/regression/kernel/Makefile.am
> +++ b/tests/regression/kernel/Makefile.am
> @@ -1,4 +1,5 @@
> -EXTRA_DIST = test_event_basic test_all_events test_syscall test_clock_override
> +EXTRA_DIST = test_event_basic test_all_events test_syscall \
> +               test_clock_override test_rotation_destroy_flush
>
>  all-local:
>         @if [ x"$(srcdir)" != x"$(builddir)" ]; then \
> diff --git a/tests/regression/kernel/test_rotation_destroy_flush b/tests/regression/kernel/test_rotation_destroy_flush
> new file mode 100755
> index 0000000..0b0b0ca
> --- /dev/null
> +++ b/tests/regression/kernel/test_rotation_destroy_flush
> @@ -0,0 +1,153 @@
> +#!/bin/bash
> +#
> +# Copyright (C) - 2013 Christian Babeux <christian.babeux at efficios.com>
> +# Copyright (C) - 2014, 2016 Mathieu Desnoyers <mathieu.desnoyers at efficios.com>
> +#
> +# This program is free software; you can redistribute it and/or modify it
> +# under the terms of the GNU General Public License, version 2 only, as
> +# published by the Free Software Foundation.
> +#
> +# This program 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 General Public License for
> +# more details.
> +#
> +# You should have received a copy of the GNU General Public License along with
> +# this program; if not, write to the Free Software Foundation, Inc., 51
> +# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
> +
> +TEST_DESC="Kernel tracer - Rotation destroy flush"
> +
> +CURDIR=$(dirname $0)/
> +TESTDIR=$CURDIR/../..
> +SESSION_NAME="rotation_destroy_flush"
> +
> +NR_ITER=10
> +NUM_TESTS=$((13*$NR_ITER))
> +EVENT_NAME="lttng_test_filter_event"
> +CHANNEL_NAME="testchan"
> +PAGE_SIZE=$(getconf PAGE_SIZE)
> +SIZE_LIMIT=$PAGE_SIZE
> +
> +TESTCMD="echo -n 10000 > /proc/lttng-test-filter-event"
> +
> +# Ensure the daemons invoke abort on error.
> +export LTTNG_ABORT_ON_ERROR=1
> +
> +source $TESTDIR/utils/utils.sh
> +
> +function signal_cleanup()
> +{
> +       diag "*** Exiting ***"
> +       rmmod lttng-test
> +       stop_lttng_sessiond
> +       exit 1
> +}
> +
> +function enable_kernel_lttng_channel_size_limit ()
> +{
> +       sess_name="$1"
> +       channel_name="$2"
> +       tracefile_size_limit="$3"
> +
> +       test_name="Enable channel $channel_name "
> +       test_name+="for session $sess_name: "
> +       test_name+="$tracefile_size_limit bytes tracefile limit"
> +
> +       $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel \
> +           -k $channel_name -s $sess_name \
> +           -C $tracefile_size_limit >/dev/null 2>&1
> +
> +       ok $? "$test_name"
> +}
> +
> +function enable_kernel_lttng_event_per_channel ()
> +{
> +       sess_name="$1"
> +       event_name="$2"
> +       channel_name="$3"
> +
> +       test_name="Enable event $event_name "
> +       test_name+="for session $sess_name "
> +       test_name+="in channel $channel_name"
> +
> +       $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event "$event_name" \
> +           -s $sess_name -k -c $channel_name >/dev/null 2>&1
> +
> +       ok $? "$test_name"
> +}
> +
> +function test_rotation_destroy_flush_single()
> +{
> +       start_lttng_sessiond
> +       modprobe lttng-test
> +
> +       create_lttng_session_ok $SESSION_NAME $TRACE_PATH
> +       enable_kernel_lttng_channel_size_limit \
> +               $SESSION_NAME $CHANNEL_NAME $SIZE_LIMIT
> +       enable_kernel_lttng_event_per_channel \
> +               $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
> +       start_lttng_tracing_ok $SESSION_NAME
> +       eval ${TESTCMD}
> +       # stop and destroy
> +       stop_lttng_tracing_ok $SESSION_NAME
> +       destroy_lttng_session_ok $SESSION_NAME
> +
> +       rm -rf $TRACE_PATH
> +
> +       create_lttng_session_ok $SESSION_NAME $TRACE_PATH
> +       enable_kernel_lttng_channel_size_limit \
> +               $SESSION_NAME $CHANNEL_NAME $SIZE_LIMIT
> +       enable_kernel_lttng_event_per_channel \
> +               $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
> +       start_lttng_tracing_ok $SESSION_NAME
> +       eval ${TESTCMD}
> +       # destroy only
> +       destroy_lttng_session_ok $SESSION_NAME
> +
> +       rm -rf $TRACE_PATH
> +
> +       rmmod lttng-test
> +       stop_lttng_sessiond
> +}
> +
> +function test_rotation_destroy_flush()
> +{
> +       for a in $(seq 1 ${NR_ITER}); do
> +               diag "Iteration ${a}/${NR_ITER}"
> +               test_rotation_destroy_flush_single
> +       done
> +}
> +
> +# MUST set TESTDIR before calling those functions
> +plan_tests $NUM_TESTS
> +
> +print_test_banner "$TEST_DESC"
> +
> +TESTS=(
> +       "test_rotation_destroy_flush"
> +)
> +
> +TEST_COUNT=${#TESTS[@]}
> +i=0
> +
> +if [ "$(id -u)" == "0" ]; then
> +       isroot=1
> +else
> +       isroot=0
> +fi
> +
> +skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS ||
> +{
> +       trap signal_cleanup SIGTERM SIGINT
> +
> +       while [ "$i" -lt "$TEST_COUNT" ]; do
> +
> +               TRACE_PATH=$(mktemp -d)
> +
> +               # Execute test
> +               ${TESTS[$i]}
> +
> +               let "i++"
> +       done
> +}
> diff --git a/tests/root_regression b/tests/root_regression
> index 4655c09..2981dc6 100644
> --- a/tests/root_regression
> +++ b/tests/root_regression
> @@ -2,6 +2,7 @@ regression/kernel/test_all_events
>  regression/kernel/test_event_basic
>  regression/kernel/test_syscall
>  regression/kernel/test_clock_override
> +regression/kernel/test_rotation_destroy_flush
>  regression/tools/live/test_kernel
>  regression/tools/live/test_lttng_kernel
>  regression/tools/streaming/test_high_throughput_limits
> --
> 2.1.4
>



-- 
Jérémie Galarneau
EfficiOS Inc.
http://www.efficios.com