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|
#!/bin/bash
#
# SPDX-FileCopyrightText: 2018 Francis Deslauriers <francis.deslauriers@efficios.com>
#
# SPDX-License-Identifier: LGPL-2.1-only
TEST_DESC="UST - Dynamic loading and unloading of libraries"
CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
SESSION_NAME="multi_lib"
EXEC_NAME_WITH_CALLSITES=./$CURDIR/exec-with-callsites
EXEC_NAME_WITHOUT_CALLSITES=./$CURDIR/exec-without-callsites
SO_DIR=$CURDIR/.libs/
SO_PROBES_A=$SO_DIR/libprobes_a.so
SO_PROBES_A_PRIME=$SO_DIR/libprobes_a_prime.so
SO_PROBES_B=$SO_DIR/libprobes_b.so
SO_PROBES_C=$SO_DIR/libprobes_c.so
SO_PROBES_C_PRIME=$SO_DIR/libprobes_c_prime.so
SO_PROBES_D=$SO_DIR/libprobes_d.so
SO_CALLSITE_1=$SO_DIR/libcallsites_1.so
SO_CALLSITE_2=$SO_DIR/libcallsites_2.so
NUM_TESTS=55
source $TESTDIR/utils/utils.sh
test_dlopen_same_provider_name_same_event()
{
local event_name="multi:tp"
diag "dlopen 2 providers, same event name, same payload"
enable_ust_lttng_event_ok $SESSION_NAME "$event_name"
start_lttng_tracing_ok $SESSION_NAME
$EXEC_NAME_WITH_CALLSITES -t 0 $SO_PROBES_A $SO_PROBES_A_PRIME
stop_lttng_tracing_ok $SESSION_NAME
# Expect 2 identical events in the trace
trace_match_only $event_name 2 $TRACE_PATH
# Expect a single event ID in the metadata
validate_metadata_event $event_name 1 $TRACE_PATH
return $?
}
test_dlopen_same_provider_name_different_event()
{
local event_name="multi:tp"
# Regular expression for event tp with one argument: arg_long
local event_a_payload_exp="^.*$event_name.*arg_long_A.*"
# Regular expression for event tp with two arguments: arg_long and
# arg_float
local event_b_payload_exp="^.*$event_name.*arg_long_B.*arg_float_B.*"
diag "dlopen 2 providers, same event name, different payload"
enable_ust_lttng_event_ok $SESSION_NAME "$event_name"
start_lttng_tracing_ok $SESSION_NAME
$EXEC_NAME_WITH_CALLSITES -t 0 $SO_PROBES_A $SO_PROBES_B
stop_lttng_tracing_ok $SESSION_NAME
# Expect 2 identical events in the trace
trace_match_only $event_name 2 $TRACE_PATH
# Expect 2 events ID in the metadata
validate_metadata_event $event_name 2 $TRACE_PATH
# Expect 2 events with different payloads
validate_trace_exp $event_a_payload_exp $TRACE_PATH
validate_trace_exp $event_b_payload_exp $TRACE_PATH
return $?
}
test_dlopen_same_provider_name_same_enum()
{
local event_name="multi:tp"
# Regular expression for event tp with one argument: arg_long
local event_c_payload_exp="^.*$event_name.*enum_int_C.*"
# Regular expression for event tp with two arguments: arg_long and
# arg_float
local event_d_payload_exp="^.*$event_name.*enum_int_D.*"
diag "dlopen 2 providers, same event name, same enum definition"
enable_ust_lttng_event_ok $SESSION_NAME "$event_name"
start_lttng_tracing_ok $SESSION_NAME
$EXEC_NAME_WITH_CALLSITES -t 0 $SO_PROBES_C $SO_PROBES_C_PRIME
stop_lttng_tracing_ok $SESSION_NAME
# Expect 2 identical events in the trace
trace_match_only $event_name 2 $TRACE_PATH
# Expect 2 events ID in the metadata
validate_metadata_event $event_name 1 $TRACE_PATH
return $?
}
test_dlopen_same_provider_name_different_enum()
{
local event_name="multi:tp"
# Regular expression for event tp with one argument: arg_long
local event_c_payload_exp="^.*$event_name.*enum_int_C.*"
# Regular expression for event tp with two arguments: arg_long and
# arg_float
local event_d_payload_exp="^.*$event_name.*enum_int_D.*"
diag "dlopen 2 providers, same event name, different enum definition"
enable_ust_lttng_event_ok $SESSION_NAME "$event_name"
start_lttng_tracing_ok $SESSION_NAME
$EXEC_NAME_WITH_CALLSITES -t 0 $SO_PROBES_C $SO_PROBES_D
stop_lttng_tracing_ok $SESSION_NAME
# Expect 2 identical events in the trace
trace_match_only $event_name 2 $TRACE_PATH
# Expect 2 events ID in the metadata
validate_metadata_event $event_name 2 $TRACE_PATH
# Expect 2 events with different payloads
validate_trace_exp $event_c_payload_exp $TRACE_PATH
validate_trace_exp $event_d_payload_exp $TRACE_PATH
return $?
}
test_upgrade_probes_dlopen_dclose()
{
local event_name="multi:tp"
diag "Upgrade probe provider using dlopen/dlclose during tracing"
enable_ust_lttng_event_ok $SESSION_NAME "$event_name"
start_lttng_tracing_ok $SESSION_NAME
$EXEC_NAME_WITH_CALLSITES -t 1 $SO_PROBES_A $SO_PROBES_B
stop_lttng_tracing_ok $SESSION_NAME
# Expect 2 identical events in the trace
trace_match_only $event_name 4 $TRACE_PATH
# Expect 2 events ID in the metadata
validate_metadata_event $event_name 2 $TRACE_PATH
return $?
}
test_upgrade_callsites_dlopen_dclose()
{
local event_name="multi:tp"
diag "Upgrade callsite using dlopen/dlclose during tracing"
enable_ust_lttng_event_ok $SESSION_NAME "$event_name"
start_lttng_tracing_ok $SESSION_NAME
$EXEC_NAME_WITHOUT_CALLSITES -t 2 $SO_CALLSITE_1 $SO_CALLSITE_2
stop_lttng_tracing_ok $SESSION_NAME
# Expect 2 identical events in the trace
trace_match_only $event_name 3 $TRACE_PATH
# Expect 2 events ID in the metadata
validate_metadata_event $event_name 1 $TRACE_PATH
return $?
}
test_event_field_comparison()
{
local event_name="multi:tp"
diag "Load multiple events with slight variations in the field descriptions."
local library_prefix="libprobes_"
local nb_libs=0
local library_list=" "
# Concatenate all the probe libraries in a string.
for postfix in {a..p}; do
library_list="$library_list $SO_DIR/$library_prefix$postfix.so"
let nb_libs+=1
done
enable_ust_lttng_event_ok $SESSION_NAME "$event_name"
start_lttng_tracing_ok $SESSION_NAME
$EXEC_NAME_WITH_CALLSITES -t 0 $library_list
stop_lttng_tracing_ok $SESSION_NAME
# Expect $nb_libs identical events in the trace
trace_match_only $event_name $nb_libs $TRACE_PATH
# Expect $nb_libs events ID in the metadata
validate_metadata_event $event_name $nb_libs $TRACE_PATH
return $?
}
plan_tests $NUM_TESTS
print_test_banner "$TEST_DESC"
bail_out_if_no_babeltrace
TESTS=(
"test_dlopen_same_provider_name_same_event"
"test_dlopen_same_provider_name_different_event"
"test_dlopen_same_provider_name_different_enum"
"test_dlopen_same_provider_name_same_enum"
"test_event_field_comparison"
"test_upgrade_probes_dlopen_dclose"
"test_upgrade_callsites_dlopen_dclose"
)
TEST_COUNT=${#TESTS[@]}
i=0
start_lttng_sessiond
while [ "$i" -lt "$TEST_COUNT" ]; do
TRACE_PATH=$(mktemp -d -t tmp.test_multi_lib_ust_trace_path.XXXXXX)
create_lttng_session_ok $SESSION_NAME $TRACE_PATH
# Execute test
${TESTS[$i]}
destroy_lttng_session_ok $SESSION_NAME
rm -rf $TRACE_PATH
let "i++"
done
stop_lttng_sessiond
|
