+++ /dev/null
-#!/bin/bash
-#
-# Copyright (C) - 2013 Julien Desfossez <jdesfossez@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="Snapshots - UST tracing"
-
-CURDIR=$(dirname $0)/
-TESTDIR=$CURDIR/../../..
-EVENT_NAME="tp:tptest"
-PID_RELAYD=0
-SESSION_NAME=""
-CHANNEL_NAME="snapchan"
-TESTAPP_PATH="$TESTDIR/utils/testapp"
-TESTAPP_NAME="gen-ust-events"
-TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
-NR_ITER=2000000
-NR_USEC_WAIT=100
-
-TRACE_PATH=$(mktemp -d)
-
-NUM_TESTS=2076
-
-source $TESTDIR/utils/utils.sh
-
-if [ ! -x "$TESTAPP_BIN" ]; then
- BAIL_OUT "No UST events binary detected."
-fi
-
-function start_test_app()
-{
- local tmp_file="/tmp/lttng_test_ust.42.file"
-
- # Start application with a temporary file.
- $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT $tmp_file &
- ok $? "Start application to trace"
-
- # Wait for the application file to appear indicating that at least one
- # tracepoint has been fired.
- while [ ! -f "$tmp_file" ]; do
- sleep 0.5
- done
- diag "Removing test app temporary file $tmp_file"
- rm -f $tmp_file
-}
-
-function kill_test_app()
-{
- diag "Killing $TESTAPP_NAME"
- PID_APP=`pidof $TESTAPP_NAME`
- kill $PID_APP >/dev/null 2>&1
-}
-
-function snapshot_add_output ()
-{
- local sess_name=$1
- local trace_path=$2
- local name=$3
- local max_size=$4
- local extra_opt=""
-
- if [ ! -z $name ]; then
- extra_opt+=" -n $name "
- fi
-
- if [ ! -z $max_size ]; then
- extra_opt+=" -m $max_size "
- 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 $trace_path ($extra_opt)"
-}
-
-function snapshot_del_output ()
-{
- local sess_name=$1
- local name=$2
-
- $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot del-output \
- -s $sess_name $name > /dev/null 2>&1
-
- ok $? "Deleted snapshot output named $name"
-}
-
-function enable_mmap_overwrite_subbuf_ust_channel ()
-{
- local sess_name=$1
- local chan_name=$2
- local subbuf_size=$3
-
- $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name \
- $chan_name -u --output mmap --overwrite \
- --subbuf-size $subbuf_size > /dev/null 2>&1
-
- ok $? "Enable channel $channel_name for session $sess_name with subbuf size $subbuf_size"
-}
-
-
-function test_ust_list_output ()
-{
- output_names=("randomname" "somesnapshot")
-
- diag "Test UST snapshot output listing"
- create_lttng_session_no_output $SESSION_NAME
- enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
- enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
-
- start_lttng_tracing $SESSION_NAME
-
- snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[0]}
-
- $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \
- -s $SESSION_NAME 2>&1 | grep ${output_names[0]} > /dev/null
- ok $? "Snapshot named ${output_names[0]} present in list-output listing"
-
- snapshot_del_output $SESSION_NAME ${output_names[0]}
-
- snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[1]}
-
- $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \
- -s $SESSION_NAME 2>&1 | grep ${output_names[1]} > /dev/null
-
- ok $? "Snapshot named ${output_names[1]} present in list-output listing"
-
- stop_lttng_tracing $SESSION_NAME
- destroy_lttng_session $SESSION_NAME
-}
-
-function test_ust_local_snapshot ()
-{
- diag "Test local UST snapshots"
- create_lttng_session_no_output $SESSION_NAME
- enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
- enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
- start_lttng_tracing $SESSION_NAME
- lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
-
- # Returns once the application has at least fired ONE tracepoint.
- start_test_app
-
- lttng_snapshot_record $SESSION_NAME
- stop_lttng_tracing $SESSION_NAME
- destroy_lttng_session $SESSION_NAME
-
- # Validate test
- validate_trace $EVENT_NAME $TRACE_PATH/
- if [ $? -eq 0 ]; then
- # Only delete if successful
- rm -rf $TRACE_PATH
- else
- break
- fi
-
- kill_test_app
-}
-
-function test_ust_local_snapshot_max_size ()
-{
- subbuf_size=8192
- num_cpus=`nproc`
-
- # The minimum size limit is min(subbuf_size) * nb_streams
- max_size=$(($subbuf_size*$num_cpus))
-
- diag "Test local UST snapshots with max size $max_size"
- create_lttng_session_no_output $SESSION_NAME
-
- enable_mmap_overwrite_subbuf_ust_channel $SESSION_NAME $CHANNEL_NAME $subbuf_size
-
- enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
- start_lttng_tracing $SESSION_NAME
-
- snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" "" $max_size
-
- # Returns once the application has at least fired ONE tracepoint.
- start_test_app
-
- lttng_snapshot_record $SESSION_NAME
-
- # Check file size
- sum_size_tracefiles=$(find $TRACE_PATH -name "${CHANNEL_NAME}_*" \
- -exec stat -c '%s' {} \; | awk '{s = s + $1}END{print s}')
-
- if [ "$sum_size_tracefiles" -gt "$max_size" ]; then
- fail "Tracefiles size sum validation"
- diag "Tracefiles size sum: $sum_size_tracefiles Expected max: $max_size"
- fi
-
- pass "Tracefiles size sum validation"
-
- stop_lttng_tracing $SESSION_NAME
- destroy_lttng_session $SESSION_NAME
-
- # Validate test
- validate_trace $EVENT_NAME $TRACE_PATH/
-
- if [ $? -eq 0 ]; then
- # Only delete if successful
- rm -rf $TRACE_PATH
- fi
-
- kill_test_app
-}
-
-function test_ust_local_snapshot_large_metadata ()
-{
- LM_EVENT="tp:tptest1,tp:tptest2,tp:tptest3,tp:tptest4,tp:tptest5"
- LM_PATH="$TESTDIR/utils/testapp"
- LM_NAME="gen-ust-nevents"
- LM_BIN="$LM_PATH/$LM_NAME/$LM_NAME"
-
- diag "Test local UST snapshots with > 4kB metadata"
- create_lttng_session_no_output $SESSION_NAME
- enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
- enable_ust_lttng_event $SESSION_NAME $LM_EVENT $CHANNEL_NAME
- start_lttng_tracing $SESSION_NAME
- lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
- $LM_BIN 1 1
- ok $? "Start application to trace"
- lttng_snapshot_record $SESSION_NAME
- stop_lttng_tracing $SESSION_NAME
- destroy_lttng_session $SESSION_NAME
-
- # Validate test
- validate_trace $LM_EVENT $TRACE_PATH/
- if [ $? -eq 0 ]; then
- # Only delete if successful
- rm -rf $TRACE_PATH
- else
- break
- fi
-}
-
-function enable_channel_per_uid_mmap_overwrite()
-{
- sess_name=$1
- channel_name=$2
-
- $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --output mmap --overwrite >/dev/null 2>&1
- ok $? "Enable channel $channel_name per UID for session $sess_name"
-}
-
-function test_ust_per_uid_local_snapshot ()
-{
- diag "Test local UST snapshots"
- create_lttng_session_no_output $SESSION_NAME
- enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
- enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
- start_lttng_tracing $SESSION_NAME
- lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
-
- # Returns once the application has at least fired ONE tracepoint.
- start_test_app
-
- lttng_snapshot_record $SESSION_NAME
- stop_lttng_tracing $SESSION_NAME
- destroy_lttng_session $SESSION_NAME
-
- # Validate test
- validate_trace $EVENT_NAME $TRACE_PATH/
- if [ $? -eq 0 ]; then
- # Only delete if successful
- rm -rf $TRACE_PATH
- else
- break
- fi
-
- kill_test_app
-}
-
-function test_ust_per_uid_local_snapshot_post_mortem ()
-{
- diag "Test local UST snapshots post-mortem"
- create_lttng_session_no_output $SESSION_NAME
- enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME
- enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
- start_lttng_tracing $SESSION_NAME
- lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
-
- # Returns once the application has at least fired ONE tracepoint.
- start_test_app
- kill_test_app
-
- lttng_snapshot_record $SESSION_NAME
- stop_lttng_tracing $SESSION_NAME
- destroy_lttng_session $SESSION_NAME
-
- # Validate test
- validate_trace $EVENT_NAME $TRACE_PATH/
- if [ $? -eq 0 ]; then
- # Only delete if successful
- rm -rf $TRACE_PATH
- else
- break
- fi
-}
-
-function test_ust_1000_local_snapshots ()
-{
- NB_SNAP=1000
-
- diag "Test $NB_SNAP local UST snapshots"
- create_lttng_session_no_output $SESSION_NAME
- enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME
- enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
- start_lttng_tracing $SESSION_NAME
- lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH
-
- # Returns once the application has at least fired ONE tracepoint.
- start_test_app
-
- for i in $(seq 1 $NB_SNAP); do
- diag "Snapshot $i/$NB_SNAP"
- rm -rf $TRACE_PATH/snapshot/* 2>/dev/null
- lttng_snapshot_record $SESSION_NAME
- # Validate test
- validate_trace $EVENT_NAME $TRACE_PATH/
- if [ $? -eq 0 ]; then
- # Only delete if successful
- rm -rf $TRACE_PATH
- else
- break
- fi
- done
- stop_lttng_tracing $SESSION_NAME
- destroy_lttng_session $SESSION_NAME
-
- kill_test_app
-}
-
-plan_tests $NUM_TESTS
-
-print_test_banner "$TEST_DESC"
-
-if [ "$(id -u)" == "0" ]; then
- isroot=1
-else
- isroot=0
-fi
-
-start_lttng_sessiond
-
-tests=( test_ust_list_output
- test_ust_local_snapshot
- test_ust_local_snapshot_max_size
- test_ust_per_uid_local_snapshot
- test_ust_per_uid_local_snapshot_post_mortem
- test_ust_local_snapshot_large_metadata
- test_ust_1000_local_snapshots )
-
-for fct_test in ${tests[@]};
-do
- SESSION_NAME=$(randstring 16 0)
- ${fct_test}
-done
-
-stop_lttng_sessiond
projects / lttng-tools.git / blobdiff