#!/bin/bash
#
-# Copyright (C) - 2013 Julien Desfossez <jdesfossez@efficios.com>
+# 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
+# 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=
+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=$((NUM_TESTS + (NR_SNAPSHOT * 3)))
function start_test_app()
{
- local tmp_file=$(mktemp -u)
+ 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 &
+ $TESTAPP_BIN -i "$NR_ITER" -w "$NR_USEC_WAIT" --sync-after-first-event "$tmp_file" &
ret=$?
- APPS_PID="${APPS_PID} ${!}"
+ APPS_PID+=(${!})
ok $ret "Start application to trace"
# Wait for the application file to appear indicating that at least one
sleep 0.5
done
diag "Removing test app temporary file $tmp_file"
- rm -f $tmp_file
+ rm -f "$tmp_file"
+}
+
+function wait_test_apps()
+{
+ diag "Waiting for $TESTAPP_NAME"
+ wait "${APPS_PID[@]}" 2>/dev/null
}
function stop_test_apps()
{
diag "Stopping $TESTAPP_NAME"
- for p in ${APPS_PID}; do
- kill ${p}
- wait ${p} 2>/dev/null
- done
- APPS_PID=
+ kill "${APPS_PID[@]}"
+ wait "${APPS_PID[@]}"
+ APPS_PID=()
}
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 ()
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"
}
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)" $$ 1>/dev/null 2>&1
+ create_lttng_session_no_output "$SESSION_NAME"
+ enable_mmap_small_overwrite_ust_channel "$SESSION_NAME" $CHANNEL_NAME
+ enable_ust_lttng_event_ok "$SESSION_NAME" $EVENT_NAME $CHANNEL_NAME
+ start_lttng_tracing_ok "$SESSION_NAME"
+ lttng_snapshot_add_output_ok "$SESSION_NAME" "file://$TRACE_PATH"
+
+ # Run test apps, wait for them to complete.
+ start_test_app
+ wait_test_apps
+
+ # Take first snapshot, remember first line.
+ lttng_snapshot_record "$SESSION_NAME"
+ FIRST_LINE="$(trace_first_line "$TRACE_PATH/")"
+ diag "First line (1st snapshot): $FIRST_LINE"
+ rm -rf "${TRACE_PATH:?}/"
+
+ # Run test apps, wait for them to complete.
+ start_test_app
+ wait_test_apps
+
+ # Take second snapshot, remember first line.
+ lttng_snapshot_record "$SESSION_NAME"
+ FIRST_LINE_2="$(trace_first_line "$TRACE_PATH/")"
+ diag "First line (2nd snapshot): $FIRST_LINE_2"
+ rm -rf "${TRACE_PATH:?}/"
+
+ if [ x"$FIRST_LINE" != x"$FIRST_LINE_2" ]; then
+ pass "First snapshot event do not match"
+ else
+ fail "First snapshot event match"
+ fi
+
+ stop_lttng_tracing_ok "$SESSION_NAME"
+ destroy_lttng_session_ok "$SESSION_NAME"
+ taskset -p "$OLDCPUSET" $$ 1>/dev/null 2>&1
+}
+
function test_ust_local_snapshot_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
+
+ IFS=" " read -r -a cpus_list <<< "$(get_online_cpus)"
- # The minimum size limit is min(subbuf_size) * nb_streams
- max_size=$(($subbuf_size*$num_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 + $1}END{print s}')
-
- if [ "$sum_size_tracefiles" -gt "$max_size" ]; then
+ local snapshot_size
+ snapshot_size=$(find "$TRACE_PATH" -name "${CHANNEL_NAME}_*" \
+ -exec stat -c '%s' {} \; | \
+ awk '{s = s + $1}END{print s}')
+
+ if [ "$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_apps
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 $TRACE_PATH
+ rm -rf "${TRACE_PATH:?}/"
fi
}
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 $TRACE_PATH
+ rm -rf "${TRACE_PATH:?}/"
fi
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_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 $TRACE_PATH
+ rm -rf "${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 $TRACE_PATH
+ rm -rf "${TRACE_PATH:?}/"
fi
done
- stop_lttng_tracing $SESSION_NAME
- destroy_lttng_session $SESSION_NAME
+ stop_lttng_tracing_ok "$SESSION_NAME"
+ destroy_lttng_session_ok "$SESSION_NAME"
stop_test_apps
}
print_test_banner "$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
projects / lttng-tools.git / blobdiff