From bbf1574355c9385182aa038be3a2c653879e55a4 Mon Sep 17 00:00:00 2001 From: Michael Jeanson Date: Mon, 1 Apr 2019 11:51:52 -0400 Subject: [PATCH] Tests: add UST namespace contexts tests MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Michael Jeanson Signed-off-by: Jérémie Galarneau --- configure.ac | 1 + tests/regression/Makefile.am | 1 + tests/regression/ust/Makefile.am | 2 +- tests/regression/ust/namespaces/Makefile.am | 16 +++ .../ust/namespaces/test_ns_contexts | 104 ++++++++++++++++++ 5 files changed, 123 insertions(+), 1 deletion(-) create mode 100644 tests/regression/ust/namespaces/Makefile.am create mode 100755 tests/regression/ust/namespaces/test_ns_contexts diff --git a/configure.ac b/configure.ac index 7212ed195..466017a93 100644 --- a/configure.ac +++ b/configure.ac @@ -1167,6 +1167,7 @@ AC_CONFIG_FILES([ tests/regression/ust/type-declarations/Makefile tests/regression/ust/rotation-destroy-flush/Makefile tests/regression/ust/blocking/Makefile + tests/regression/ust/namespaces/Makefile tests/stress/Makefile tests/unit/Makefile tests/unit/ini_config/Makefile diff --git a/tests/regression/Makefile.am b/tests/regression/Makefile.am index 29201ed30..403cf295a 100644 --- a/tests/regression/Makefile.am +++ b/tests/regression/Makefile.am @@ -53,6 +53,7 @@ TESTS += ust/before-after/test_before_after \ ust/blocking/test_blocking \ ust/multi-lib/test_multi_lib \ ust/rotation-destroy-flush/test_rotation_destroy_flush \ + ust/namespaces/test_ns_contexts \ tools/metadata/test_ust endif # HAVE_LIBLTTNG_UST_CTL diff --git a/tests/regression/ust/Makefile.am b/tests/regression/ust/Makefile.am index 6237b1610..cf6f20dd4 100644 --- a/tests/regression/ust/Makefile.am +++ b/tests/regression/ust/Makefile.am @@ -3,7 +3,7 @@ SUBDIRS = nprocesses high-throughput low-throughput before-after multi-session \ overlap buffers-pid linking daemon exit-fast fork libc-wrapper \ periodical-metadata-flush java-jul java-log4j python-logging \ getcpu-override clock-override type-declarations \ - rotation-destroy-flush blocking multi-lib + rotation-destroy-flush blocking multi-lib namespaces if HAVE_OBJCOPY SUBDIRS += baddr-statedump ust-dl diff --git a/tests/regression/ust/namespaces/Makefile.am b/tests/regression/ust/namespaces/Makefile.am new file mode 100644 index 000000000..11f4d8508 --- /dev/null +++ b/tests/regression/ust/namespaces/Makefile.am @@ -0,0 +1,16 @@ +noinst_SCRIPTS = test_ns_contexts +EXTRA_DIST = test_ns_contexts + +all-local: + @if [ x"$(srcdir)" != x"$(builddir)" ]; then \ + for script in $(EXTRA_DIST); do \ + cp -f $(srcdir)/$$script $(builddir); \ + done; \ + fi + +clean-local: + @if [ x"$(srcdir)" != x"$(builddir)" ]; then \ + for script in $(EXTRA_DIST); do \ + rm -f $(builddir)/$$script; \ + done; \ + fi diff --git a/tests/regression/ust/namespaces/test_ns_contexts b/tests/regression/ust/namespaces/test_ns_contexts new file mode 100755 index 000000000..91852a05f --- /dev/null +++ b/tests/regression/ust/namespaces/test_ns_contexts @@ -0,0 +1,104 @@ +#!/bin/bash +# +# Copyright (C) 2019 Michael Jeanson +# +# 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="UST - Namespace contexts" + +CURDIR=$(dirname "$0")/ +TESTDIR=$CURDIR/../../.. + +TESTAPP_PATH="$TESTDIR/utils/testapp" +TESTAPP_NAME="gen-ust-events" +TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" +NUM_EVENT=10000 +EVENT_NAME="tp:tptest" + +TESTS_PER_NS=13 + +NUM_TESTS=$((TESTS_PER_NS * 7)) + +source "$TESTDIR/utils/utils.sh" + +# MUST set TESTDIR before calling those functions +function run_app() +{ + $TESTAPP_BIN $NUM_EVENT + ok $? "Application done" +} + +function test_ns() +{ + local ns=$1 + + local session_name="${ns}_ns" + local chan_name="${ns}_ns" + local context_name="${ns}_ns" + + local trace_path + local ns_inode + + # Check if the kernel has support for this ns type + if [ ! -f "/proc/$$/ns/$ns" ]; then + skip 0 "System has no $ns namespace support" $TESTS_PER_NS + return + fi + + # Get the current ns inode number + ns_inode=$(stat -c '%i' -L "/proc/$$/ns/$ns") + ok $? "Get current $ns namespace inode: $ns_inode" + + trace_path=$(mktemp -d) + + start_lttng_sessiond + + create_lttng_session_ok "$session_name" "$trace_path" + enable_ust_lttng_channel_ok "$session_name" "$chan_name" + add_context_ust_ok "$session_name" "$chan_name" "$context_name" + enable_ust_lttng_event_ok "$session_name" "$EVENT_NAME" "$chan_name" + start_lttng_tracing_ok "$session_name" + + run_app + + # stop and destroy + stop_lttng_tracing_ok "$session_name" + destroy_lttng_session_ok "$session_name" + stop_lttng_sessiond + + # Check that the events contain the right namespace inode number + validate_trace_count "${ns}_ns = $ns_inode" "$trace_path" $NUM_EVENT + + rm -rf "$trace_path" +} + + +plan_tests $NUM_TESTS + +print_test_banner "$TEST_DESC" + +system_has_ns=0 +if [ -d "/proc/$$/ns" ]; then + system_has_ns=1 +fi + +skip $system_has_ns "System does not support namespaces" $NUM_TESTS && exit 0 + +test_ns cgroup +test_ns ipc +test_ns mnt +test_ns net +test_ns pid +test_ns user +test_ns uts -- 2.34.1