X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=tests%2Fregression%2Ftools%2Fsnapshots%2Fust_test;h=5188c2b5b21215c58adec2bc88a52f4aa98f0f39;hb=c1896e2d809e0d32d2d9b8a840755de6d5d70eaf;hp=a35fbf37fb9022c22946bd9c96dcd7f4a3427548;hpb=5dca3876619568b5c08af5f0e49560ef618eae2f;p=lttng-tools.git diff --git a/tests/regression/tools/snapshots/ust_test b/tests/regression/tools/snapshots/ust_test index a35fbf37f..5188c2b5b 100755 --- a/tests/regression/tools/snapshots/ust_test +++ b/tests/regression/tools/snapshots/ust_test @@ -1,58 +1,50 @@ #!/bin/bash # -# Copyright (C) - 2013 Julien Desfossez +# Copyright (C) 2013 Julien Desfossez # -# 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 +# SPDX-License-Identifier: LGPL-2.1-only + TEST_DESC="Snapshots - UST tracing" -CURDIR=$(dirname $0)/ -TESTDIR=$CURDIR/../../.. +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 +APPS_PID=() -NUM_TESTS=76 +NUM_TESTS=104 -TRACE_PATH=$(mktemp -d) +TRACE_PATH=$(mktemp -d -t tmp.test_snapshots_ust_trace_path.XXXXXX) -source $TESTDIR/utils/utils.sh +# shellcheck source-path=SCRIPTDIR/../../../ +source "$TESTDIR/utils/utils.sh" if [ ! -x "$TESTAPP_BIN" ]; then - BAIL_OUT "No UST events binary detected." + BAIL_OUT "No UST events binary detected" fi # Need the number of snapshot to do. -if [ -z $1 ]; then - BAIL_OUT "A number of snapshot is needed." +if [ -z "$1" ]; then + BAIL_OUT "A number of snapshot is needed" fi NR_SNAPSHOT=$1 -NUM_TESTS=$(($NUM_TESTS + ($NR_SNAPSHOT * 2))) +NUM_TESTS=$((NUM_TESTS + (NR_SNAPSHOT * 3))) function start_test_app() { - local tmp_file="/tmp/lttng_test_ust.42.file" + local tmp_file + tmp_file=$(mktemp -u -t "tmp.${FUNCNAME[0]}_tmp_file.XXXXXX") # Start application with a temporary file. - $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT $tmp_file & - ok $? "Start application to trace" + $TESTAPP_BIN -i "$NR_ITER" -w "$NR_USEC_WAIT" --sync-after-first-event "$tmp_file" & + ret=$? + APPS_PID+=(${!}) + ok $ret "Start application to trace" # Wait for the application file to appear indicating that at least one # tracepoint has been fired. @@ -60,16 +52,21 @@ function start_test_app() sleep 0.5 done diag "Removing test app temporary file $tmp_file" - rm -f $tmp_file + rm -f "$tmp_file" } -function stop_test_app() +function wait_test_apps() { - diag "Killing $TESTAPP_NAME" - PID_APP=`pidof $TESTAPP_NAME` - kill $PID_APP >/dev/null 2>&1 - diag "Waiting on $TESTAPP_NAME" - wait + diag "Waiting for $TESTAPP_NAME" + wait "${APPS_PID[@]}" 2>/dev/null +} + +function stop_test_apps() +{ + diag "Stopping $TESTAPP_NAME" + kill "${APPS_PID[@]}" + wait "${APPS_PID[@]}" + APPS_PID=() } function snapshot_add_output () @@ -78,20 +75,20 @@ function snapshot_add_output () local trace_path=$2 local name=$3 local max_size=$4 - local extra_opt="" + local extra_opt=() - if [ ! -z $name ]; then - extra_opt+=" -n $name " + if [ -n "$name" ]; then + extra_opt+=(-n "$name") fi - if [ ! -z $max_size ]; then - extra_opt+=" -m $max_size " + if [ -n "$max_size" ]; then + extra_opt+=(-m "$max_size") fi - $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output \ - -s $sess_name $extra_opt $trace_path > /dev/null 2>&1 + "$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)" + ok $? "Added snapshot output $trace_path (${extra_opt[*]})" } function snapshot_del_output () @@ -99,8 +96,8 @@ function snapshot_del_output () local sess_name=$1 local name=$2 - $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot del-output \ - -s $sess_name $name > /dev/null 2>&1 + "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" snapshot del-output \ + -s "$sess_name" "$name" > /dev/null 2>&1 ok $? "Deleted snapshot output named $name" } @@ -110,119 +107,257 @@ function enable_mmap_overwrite_subbuf_ust_channel () local sess_name=$1 local chan_name=$2 local subbuf_size=$3 + local subbuf_count=$4 - $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name \ - $chan_name -u --output mmap --overwrite \ - --subbuf-size $subbuf_size > /dev/null 2>&1 + "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" enable-channel -s "$sess_name" \ + "$chan_name" -u --output mmap --overwrite \ + --num-subbuf="$subbuf_count" \ + --subbuf-size "$subbuf_size" > /dev/null 2>&1 ok $? "Enable channel $channel_name for session $sess_name with subbuf size $subbuf_size" } +function enable_mmap_small_discard_ust_channel () +{ + local sess_name=$1 + local chan_name=$2 + + "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" enable-channel -s "$sess_name" \ + "$chan_name" -u --output mmap --discard \ + --subbuf-size "$(getconf PAGE_SIZE)" --num-subbuf 2 \ + > /dev/null 2>&1 + + ok $? "Enable channel $channel_name for session $sess_name with small discard buffers" +} + +function enable_mmap_small_overwrite_ust_channel () +{ + local sess_name=$1 + local chan_name=$2 + + "$TESTDIR/../src/bin/lttng/$LTTNG_BIN" enable-channel -s "$sess_name" \ + "$chan_name" -u --output mmap --overwrite \ + --subbuf-size "$(getconf PAGE_SIZE)" --num-subbuf 2 \ + > /dev/null 2>&1 + + ok $? "Enable channel $channel_name for session $sess_name with small discard buffers" +} 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 $CHANNEL_NAME + create_lttng_session_no_output "$SESSION_NAME" + enable_lttng_mmap_overwrite_ust_channel "$SESSION_NAME" $CHANNEL_NAME + enable_ust_lttng_event_ok "$SESSION_NAME" $EVENT_NAME $CHANNEL_NAME - start_lttng_tracing $SESSION_NAME + start_lttng_tracing_ok "$SESSION_NAME" - snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[0]} + snapshot_add_output "$SESSION_NAME" "file://$TRACE_PATH" "${output_names[0]}" - $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \ - -s $SESSION_NAME 2>&1 | grep ${output_names[0]} > /dev/null + "$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 ${output_names[0]} + snapshot_del_output "$SESSION_NAME" "${output_names[0]}" - snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[1]} + snapshot_add_output "$SESSION_NAME" "file://$TRACE_PATH" "${output_names[1]}" - $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \ - -s $SESSION_NAME 2>&1 | grep ${output_names[1]} > /dev/null + "$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 $SESSION_NAME + stop_lttng_tracing_ok "$SESSION_NAME" + destroy_lttng_session_ok "$SESSION_NAME" } function test_ust_local_snapshot () { + NR_ITER=-1 + NR_USEC_WAIT=100 + 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 $TRACE_PATH + create_lttng_session_no_output "$SESSION_NAME" + enable_lttng_mmap_overwrite_ust_channel "$SESSION_NAME" $CHANNEL_NAME + enable_ust_lttng_event_ok "$SESSION_NAME" $EVENT_NAME $CHANNEL_NAME + start_lttng_tracing_ok "$SESSION_NAME" + lttng_snapshot_add_output_ok "$SESSION_NAME" "file://$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 $SESSION_NAME + lttng_snapshot_record "$SESSION_NAME" + stop_lttng_tracing_ok "$SESSION_NAME" + destroy_lttng_session_ok "$SESSION_NAME" # Validate test - validate_trace $EVENT_NAME $TRACE_PATH/ - if [ $? -eq 0 ]; then + validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" 0 + if validate_trace $EVENT_NAME "$TRACE_PATH/" ; then # Only delete if successful - rm -rf $TRACE_PATH + rm -rf "$TRACE_PATH" + fi + + stop_test_apps +} + +function test_ust_local_snapshot_small_discard_buffers () +{ + NR_ITER=10000 + NR_USEC_WAIT=0 + OLDCPUSET=$(taskset -p $$) + + diag "Test local UST snapshots with small discard buffers" + taskset -c "$(get_any_available_cpu)" -p $$ 1>/dev/null 2>&1 + create_lttng_session_no_output "$SESSION_NAME" + enable_mmap_small_discard_ust_channel "$SESSION_NAME" $CHANNEL_NAME + enable_ust_lttng_event_ok "$SESSION_NAME" $EVENT_NAME $CHANNEL_NAME + start_lttng_tracing_ok "$SESSION_NAME" + lttng_snapshot_add_output_ok "$SESSION_NAME" "file://$TRACE_PATH" + + # Run test apps, wait for them to complete. + start_test_app + wait_test_apps + + # Take first snapshot, remember first line. + lttng_snapshot_record "$SESSION_NAME" + FIRST_LINE="$(trace_first_line "$TRACE_PATH/")" + diag "First line (1st snapshot): $FIRST_LINE" + rm -rf "${TRACE_PATH:?}/" + + # Run test apps, wait for them to complete. + start_test_app + wait_test_apps + + # Take second snapshot, remember first line. + lttng_snapshot_record "$SESSION_NAME" + FIRST_LINE_2="$(trace_first_line "$TRACE_PATH/")" + diag "First line (2nd snapshot): $FIRST_LINE_2" + rm -rf "${TRACE_PATH:?}/" + + if [ x"$FIRST_LINE" != x"$FIRST_LINE_2" ]; then + fail "First snapshot event do not match" + else + pass "First snapshot event match" + fi + + stop_lttng_tracing_ok "$SESSION_NAME" + destroy_lttng_session_ok "$SESSION_NAME" + taskset -p "$OLDCPUSET" $$ 1>/dev/null 2>&1 +} + +function test_ust_local_snapshot_small_overwrite_buffers () +{ + NR_ITER=10000 + NR_USEC_WAIT=0 + OLDCPUSET=$(taskset -p $$) + + diag "Test local UST snapshots with small overwrite buffers" + taskset -p "$(get_any_available_cpu)" $$ 1>/dev/null 2>&1 + create_lttng_session_no_output "$SESSION_NAME" + enable_mmap_small_overwrite_ust_channel "$SESSION_NAME" $CHANNEL_NAME + enable_ust_lttng_event_ok "$SESSION_NAME" $EVENT_NAME $CHANNEL_NAME + start_lttng_tracing_ok "$SESSION_NAME" + lttng_snapshot_add_output_ok "$SESSION_NAME" "file://$TRACE_PATH" + + # Run test apps, wait for them to complete. + start_test_app + wait_test_apps + + # Take first snapshot, remember first line. + lttng_snapshot_record "$SESSION_NAME" + FIRST_LINE="$(trace_first_line "$TRACE_PATH/")" + diag "First line (1st snapshot): $FIRST_LINE" + rm -rf "${TRACE_PATH:?}/" + + # Run test apps, wait for them to complete. + start_test_app + wait_test_apps + + # Take second snapshot, remember first line. + lttng_snapshot_record "$SESSION_NAME" + FIRST_LINE_2="$(trace_first_line "$TRACE_PATH/")" + diag "First line (2nd snapshot): $FIRST_LINE_2" + rm -rf "${TRACE_PATH:?}/" + + if [ x"$FIRST_LINE" != x"$FIRST_LINE_2" ]; then + pass "First snapshot event do not match" else - break + fail "First snapshot event match" fi - stop_test_app + stop_lttng_tracing_ok "$SESSION_NAME" + destroy_lttng_session_ok "$SESSION_NAME" + taskset -p "$OLDCPUSET" $$ 1>/dev/null 2>&1 } function test_ust_local_snapshot_max_size () { - subbuf_size=8192 - num_cpus=`nproc` + local possible_cpus + local cpus_list + local subbuf_size + local subbuf_count + local snapshot_max_size + local channel_max_size_per_cpu - # The minimum size limit is min(subbuf_size) * nb_streams - max_size=$(($subbuf_size*$num_cpus)) + IFS=" " read -r -a cpus_list <<< "$(get_online_cpus)" + + possible_cpus=$(get_possible_cpus_count) + subbuf_size=$(getconf PAGE_SIZE) + subbuf_count=8 + snapshot_max_size=$((subbuf_size*possible_cpus)) + channel_max_size_per_cpu=$((subbuf_size*subbuf_count)) diag "Test local UST snapshots with max size $max_size" - create_lttng_session_no_output $SESSION_NAME + create_lttng_session_no_output "$SESSION_NAME" - enable_mmap_overwrite_subbuf_ust_channel $SESSION_NAME $CHANNEL_NAME $subbuf_size + enable_mmap_overwrite_subbuf_ust_channel \ + "$SESSION_NAME" "$CHANNEL_NAME" \ + "$subbuf_size" "$subbuf_count" - enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME - start_lttng_tracing $SESSION_NAME + enable_ust_lttng_event_ok "$SESSION_NAME" "$EVENT_NAME" "$CHANNEL_NAME" + start_lttng_tracing_ok "$SESSION_NAME" - snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" "" $max_size + snapshot_add_output "$SESSION_NAME" "file://$TRACE_PATH" "" "$snapshot_max_size" - # Returns once the application has at least fired ONE tracepoint. - start_test_app + # Fill all ring-buffers of the channel; assuming event size of at least one + # byte + for cpu in "${cpus_list[@]}"; + do + diag "setting affinity to $cpu" + taskset --cpu-list "$cpu" "$TESTAPP_BIN" \ + --iter "$channel_max_size_per_cpu" + done + diag "Filled channel ring-buffers" - lttng_snapshot_record $SESSION_NAME + lttng_snapshot_record "$SESSION_NAME" # Check file size - sum_size_tracefiles=$(find $TRACE_PATH -name "${CHANNEL_NAME}_*" \ - -exec stat -c '%s' {} \; | awk '{s = s + $1}END{print s}') + local snapshot_size + snapshot_size=$(find "$TRACE_PATH" -name "${CHANNEL_NAME}_*" \ + -exec stat -c '%s' {} \; | \ + awk '{s = s + $1}END{print s}') - if [ "$sum_size_tracefiles" -gt "$max_size" ]; then + if [ "$snapshot_size" -eq "$snapshot_max_size" ]; then + pass "Tracefiles size sum validation" + else fail "Tracefiles size sum validation" - diag "Tracefiles size sum: $sum_size_tracefiles Expected max: $max_size" + diag "Tracefiles size sum: $snapshot_size Expected max: $snapshot_max_size" fi - pass "Tracefiles size sum validation" - - stop_lttng_tracing $SESSION_NAME - destroy_lttng_session $SESSION_NAME + stop_lttng_tracing_ok "$SESSION_NAME" + destroy_lttng_session_ok "$SESSION_NAME" # Validate test - validate_trace $EVENT_NAME $TRACE_PATH/ + validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" 0 - if [ $? -eq 0 ]; then + if validate_trace "$EVENT_NAME" "$TRACE_PATH/"; then # Only delete if successful - rm -rf $TRACE_PATH + rm -rf "$TRACE_PATH" fi - stop_test_app + stop_test_apps } function test_ust_local_snapshot_large_metadata () @@ -233,24 +368,22 @@ function test_ust_local_snapshot_large_metadata () 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 - $LM_BIN 1 1 + create_lttng_session_no_output "$SESSION_NAME" + enable_lttng_mmap_overwrite_ust_channel "$SESSION_NAME" $CHANNEL_NAME + enable_ust_lttng_event_ok "$SESSION_NAME" $LM_EVENT $CHANNEL_NAME + start_lttng_tracing_ok "$SESSION_NAME" + lttng_snapshot_add_output_ok "$SESSION_NAME" "file://$TRACE_PATH" + $LM_BIN --iter 1 --wait 1 ok $? "Start application to trace" - lttng_snapshot_record $SESSION_NAME - stop_lttng_tracing $SESSION_NAME - destroy_lttng_session $SESSION_NAME + lttng_snapshot_record "$SESSION_NAME" + stop_lttng_tracing_ok "$SESSION_NAME" + destroy_lttng_session_ok "$SESSION_NAME" # Validate test - validate_trace $LM_EVENT $TRACE_PATH/ - if [ $? -eq 0 ]; then + validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" 0 + if validate_trace $LM_EVENT "$TRACE_PATH/" ; then # Only delete if successful - rm -rf $TRACE_PATH - else - break + rm -rf "${TRACE_PATH:?}/" fi } @@ -259,114 +392,122 @@ 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 $sess_name --output mmap --overwrite >/dev/null 2>&1 + "$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 $TRACE_PATH + NR_ITER=-1 + NR_USEC_WAIT=100 + diag "Test per-uid local UST snapshots" + create_lttng_session_no_output "$SESSION_NAME" + enable_channel_per_uid_mmap_overwrite "$SESSION_NAME" $CHANNEL_NAME + enable_ust_lttng_event_ok "$SESSION_NAME" $EVENT_NAME $CHANNEL_NAME + start_lttng_tracing_ok "$SESSION_NAME" + lttng_snapshot_add_output_ok "$SESSION_NAME" "file://$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 $SESSION_NAME + lttng_snapshot_record "$SESSION_NAME" + stop_lttng_tracing_ok "$SESSION_NAME" + destroy_lttng_session_ok "$SESSION_NAME" # Validate test - validate_trace $EVENT_NAME $TRACE_PATH/ - if [ $? -eq 0 ]; then + validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" 0 + if validate_trace $EVENT_NAME "$TRACE_PATH/" ; then # Only delete if successful - rm -rf $TRACE_PATH - else - break + rm -rf "${TRACE_PATH:?}/" fi - stop_test_app + stop_test_apps } function test_ust_per_uid_local_snapshot_post_mortem () { + NR_ITER=-1 + NR_USEC_WAIT=100 + 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 $TRACE_PATH + create_lttng_session_no_output "$SESSION_NAME" + enable_channel_per_uid_mmap_overwrite "$SESSION_NAME" $CHANNEL_NAME + enable_ust_lttng_event_ok "$SESSION_NAME" $EVENT_NAME $CHANNEL_NAME + start_lttng_tracing_ok "$SESSION_NAME" + lttng_snapshot_add_output_ok "$SESSION_NAME" "file://$TRACE_PATH" # Returns once the application has at least fired ONE tracepoint. start_test_app - stop_test_app + stop_test_apps - lttng_snapshot_record $SESSION_NAME - stop_lttng_tracing $SESSION_NAME - destroy_lttng_session $SESSION_NAME + lttng_snapshot_record "$SESSION_NAME" + stop_lttng_tracing_ok "$SESSION_NAME" + destroy_lttng_session_ok "$SESSION_NAME" # Validate test - validate_trace $EVENT_NAME $TRACE_PATH/ - if [ $? -eq 0 ]; then + validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" 0 + if validate_trace $EVENT_NAME "$TRACE_PATH/" ; then # Only delete if successful - rm -rf $TRACE_PATH - else - break + rm -rf "${TRACE_PATH:?}/" fi } function test_ust_local_snapshots () { + NR_ITER=-1 + NR_USEC_WAIT=100 + diag "Test $NR_SNAPSHOT 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 $TRACE_PATH + create_lttng_session_no_output "$SESSION_NAME" + enable_lttng_mmap_overwrite_ust_channel "$SESSION_NAME" $CHANNEL_NAME + enable_ust_lttng_event_ok "$SESSION_NAME" $EVENT_NAME $CHANNEL_NAME + start_lttng_tracing_ok "$SESSION_NAME" + lttng_snapshot_add_output_ok "$SESSION_NAME" "file://$TRACE_PATH" # Returns once the application has at least fired ONE tracepoint. start_test_app - for i in $(seq 1 $NR_SNAPSHOT); do + for i in $(seq 1 "$NR_SNAPSHOT"); do diag "Snapshot $i/$NR_SNAPSHOT" - rm -rf $TRACE_PATH/snapshot/* 2>/dev/null - lttng_snapshot_record $SESSION_NAME + rm -rf "$TRACE_PATH/snapshot/*" 2>/dev/null + lttng_snapshot_record "$SESSION_NAME" # Validate test - validate_trace $EVENT_NAME $TRACE_PATH/ - if [ $? -eq 0 ]; then + validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" $((i - 1)) + if validate_trace $EVENT_NAME "$TRACE_PATH/" ; then # Only delete if successful - rm -rf $TRACE_PATH - else - break + rm -rf "${TRACE_PATH:?}/" fi done - stop_lttng_tracing $SESSION_NAME - destroy_lttng_session $SESSION_NAME + stop_lttng_tracing_ok "$SESSION_NAME" + destroy_lttng_session_ok "$SESSION_NAME" - stop_test_app + stop_test_apps } plan_tests $NUM_TESTS print_test_banner "$TEST_DESC" -start_lttng_sessiond +bail_out_if_no_babeltrace +# shellcheck disable=SC2119 +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_local_snapshots) + test_ust_local_snapshots + test_ust_local_snapshot_small_discard_buffers + test_ust_local_snapshot_small_overwrite_buffers +) -for fct_test in ${tests[@]}; +for fct_test in "${tests[@]}"; do SESSION_NAME=$(randstring 16 0) ${fct_test} done +# shellcheck disable=SC2119 stop_lttng_sessiond