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|
#!/bin/bash
#
# SPDX-FileCopyrightText: 2013 David Goulet <dgoulet@efficios.com>
#
# SPDX-License-Identifier: LGPL-2.1-only
TEST_DESC="Streaming - Snapshot Kernel tracing"
CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
EVENT_NAME="sched_switch"
SESSION_NAME=""
CHANNEL_NAME="chan1"
TRACE_PATH=$(mktemp -d -t tmp.test_snapshots_kernel_streaming_trace_path.XXXXXX)
NUM_TESTS=66
source $TESTDIR/utils/utils.sh
function snapshot_add_output ()
{
local sess_name=$1
local trace_path=$2
local name=$3
local extra_opt=""
if [ ! -z $name ]; then
extra_opt="-n $name"
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"
}
# Test a snapshot using a default name for the output destination.
function test_kernel_default_name_with_del()
{
diag "Test kernel snapshot streaming with default name with delete output"
create_lttng_session_no_output $SESSION_NAME
enable_lttng_mmap_overwrite_kernel_channel $SESSION_NAME $CHANNEL_NAME
lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
start_lttng_tracing_ok $SESSION_NAME
snapshot_add_output $SESSION_NAME "net://localhost"
lttng_snapshot_record $SESSION_NAME
# Validate test
retry_validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/snapshot-1*
if [ $? -ne 0 ]; then
return $?
fi
lttng_snapshot_del_output_ok $SESSION_NAME 1
snapshot_add_output $SESSION_NAME "net://localhost"
lttng_snapshot_record $SESSION_NAME
# Validate test with the next ID since a del output was done prior.
retry_validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/snapshot-2*
if [ $? -ne 0 ]; then
return $?
fi
stop_lttng_tracing_ok $SESSION_NAME
destroy_lttng_session_ok $SESSION_NAME
return 0
}
# Test a snapshot using a default name for the output destination.
function test_kernel_default_name()
{
diag "Test kernel snapshot streaming with default name"
create_lttng_session_no_output $SESSION_NAME
enable_lttng_mmap_overwrite_kernel_channel $SESSION_NAME $CHANNEL_NAME
lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
start_lttng_tracing_ok $SESSION_NAME
snapshot_add_output $SESSION_NAME "net://localhost"
lttng_snapshot_record $SESSION_NAME
stop_lttng_tracing_ok $SESSION_NAME
destroy_lttng_session_ok $SESSION_NAME
# Validate test
retry_validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/snapshot-1*
out=$?
return $out
}
# Test a snapshot using a custom name for the output destination.
function test_kernel_custom_name()
{
local out
local name="asnapshotname"
diag "Test kernel snapshot streaming with custom name"
create_lttng_session_no_output $SESSION_NAME
enable_lttng_mmap_overwrite_kernel_channel $SESSION_NAME $CHANNEL_NAME
lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
start_lttng_tracing_ok $SESSION_NAME
snapshot_add_output $SESSION_NAME "net://localhost" $name
lttng_snapshot_record $SESSION_NAME
stop_lttng_tracing_ok $SESSION_NAME
destroy_lttng_session_ok $SESSION_NAME
if ls $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/$name* &> /dev/null; then
ok 0 "Custom name snapshot exists"
# Validate test
retry_validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/$name-*
out=$?
else
fail "No custom name snapshot found"
out=1
fi
return $out
}
function test_kernel_n_snapshot()
{
diag "Test kernel snapshot streaming multiple consecutive snapshot"
create_lttng_session_no_output $SESSION_NAME
enable_lttng_mmap_overwrite_kernel_channel $SESSION_NAME $CHANNEL_NAME
lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
snapshot_add_output $SESSION_NAME "net://localhost"
for i in {1..5};
do
start_lttng_tracing_ok $SESSION_NAME
lttng_snapshot_record $SESSION_NAME
stop_lttng_tracing_ok $SESSION_NAME
validate_trace_path_kernel_snapshot_network "$TRACE_PATH" "$SESSION_NAME" "snapshot-1" $(( i - 1 )) ""
retry_validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*/snapshot-1*
if [ $? -ne 0 ]; then
return 1
fi
set -u
rm -rf $TRACE_PATH/$HOSTNAME
set +u
done
destroy_lttng_session_ok $SESSION_NAME
return 0
}
plan_tests $NUM_TESTS
print_test_banner "$TEST_DESC"
check_skip_kernel_test $NUM_TESTS "Skipping all tests." ||
{
validate_lttng_modules_present
start_lttng_relayd "-o $TRACE_PATH"
start_lttng_sessiond
tests=( test_kernel_default_name
test_kernel_custom_name
test_kernel_default_name_with_del
test_kernel_n_snapshot
)
for fct_test in ${tests[@]};
do
SESSION_NAME=$(randstring 16 0)
${fct_test}
if [ $? -eq 0 ]; then
# Only delete if successful
rm -rf $TRACE_PATH
else
break
fi
done
stop_lttng_sessiond
stop_lttng_relayd
}
|
