From e3fa263d1d352d2f2dfc23aae2fc73c0347b7311 Mon Sep 17 00:00:00 2001 From: David Goulet Date: Mon, 15 Aug 2011 16:18:34 -0400 Subject: [PATCH] Add basic kernel tracing tests This test is the basic use case of kernel tracing by creating a session, enabling all events, tracing and destroying the session. Signed-off-by: David Goulet --- .gitignore | 1 + tests/Makefile.am | 6 +- tests/lttng/kernel_all_events_basic.c | 111 ++++++++++++++++++++++++++ tests/lttng/runall.sh | 55 +++++++++++++ tests/runall.sh | 2 +- 5 files changed, 173 insertions(+), 2 deletions(-) create mode 100644 tests/lttng/kernel_all_events_basic.c create mode 100755 tests/lttng/runall.sh diff --git a/.gitignore b/.gitignore index b9b2b5491..280be42f3 100644 --- a/.gitignore +++ b/.gitignore @@ -32,3 +32,4 @@ ltt-kconsumerd/ltt-kconsumerd tests/test_sessions tests/test_kernel_data_trace +tests/kernel_all_events_basic diff --git a/tests/Makefile.am b/tests/Makefile.am index 1419545a3..25351dd51 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -3,15 +3,19 @@ AM_CFLAGS=-I$(top_srcdir)/include -I$(top_srcdir)/libkernelctl \ EXTRA_DIST = runall.sh -noinst_PROGRAMS = test_sessions test_kernel_data_trace +noinst_PROGRAMS = test_sessions test_kernel_data_trace kernel_all_events_basic UTILS=utils.h SESSIONS=$(top_srcdir)/ltt-sessiond/session.c KERN_DATA_TRACE=$(top_srcdir)/ltt-sessiond/trace.c +LIBLTTNG=$(top_srcdir)/liblttngctl/lttngctl.c \ + $(top_srcdir)/liblttng-sessiond-comm/lttng-sessiond-comm.c test_sessions_SOURCES = test_sessions.c $(UTILS) $(SESSIONS) test_kernel_data_trace_SOURCES = test_kernel_data_trace.c $(UTILS) $(KERN_DATA_TRACE) +kernel_all_events_basic_SOURCES = lttng/kernel_all_events_basic.c $(UTILS) $(LIBLTTNG) + check-am: ./runall.sh diff --git a/tests/lttng/kernel_all_events_basic.c b/tests/lttng/kernel_all_events_basic.c new file mode 100644 index 000000000..438dfa00c --- /dev/null +++ b/tests/lttng/kernel_all_events_basic.c @@ -0,0 +1,111 @@ +/* + * Copyright (c) 2011 David Goulet + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * as published by the Free Software Foundation; only version 2 + * of the License. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "../utils.h" + +int main(int argc, char **argv) +{ + struct lttng_handle *handle = NULL; + struct lttng_domain dom; + char *channel_name = "mychan"; + int ret = 0; + + dom.type = LTTNG_DOMAIN_KERNEL; + + printf("\nTesting basic kernel tracing use case:\n"); + printf("-----------\n"); + /* Check if root */ + if (getuid() != 0) { + printf("Root access is needed.\nPlease run 'sudo make check' -- Aborting!\n"); + return 0; + } + + if (argc < 2) { + printf("Missing session trace path\n"); + return 1; + } + + printf("Creating tracing session (%s): ", argv[1]); + if ((ret = lttng_create_session("test", argv[1])) < 0) { + printf("error creating the session : %s\n", lttng_get_readable_code(ret)); + goto create_fail; + } + PRINT_OK(); + + printf("Creating session handle: "); + if ((handle = lttng_create_handle("test", &dom)) == NULL) { + printf("error creating handle: %s\n", lttng_get_readable_code(ret)); + goto handle_fail; + } + PRINT_OK(); + + printf("Enabling all kernel events: "); + if ((ret = lttng_enable_event(handle, NULL, channel_name)) < 0) { + printf("error enabling event: %s\n", lttng_get_readable_code(ret)); + goto enable_fail; + } + PRINT_OK(); + + printf("Start tracing: "); + if ((ret = lttng_start_tracing(handle)) < 0) { + printf("error starting tracing: %s\n", lttng_get_readable_code(ret)); + goto start_fail; + } + PRINT_OK(); + + sleep(2); + + printf("Stop tracing: "); + if ((ret = lttng_stop_tracing(handle)) < 0) { + printf("error stopping tracing: %s\n", lttng_get_readable_code(ret)); + goto stop_fail; + } + PRINT_OK(); + + printf("Destroy tracing session: "); + if ((ret = lttng_destroy_session(handle)) < 0) { + printf("error destroying session: %s\n", lttng_get_readable_code(ret)); + } + PRINT_OK(); + + return 0; + +create_fail: + assert(ret != 0); +handle_fail: + assert(handle != NULL); + +stop_fail: +start_fail: +enable_fail: + lttng_destroy_session(handle); + lttng_destroy_handle(handle); + + return 1; +} diff --git a/tests/lttng/runall.sh b/tests/lttng/runall.sh new file mode 100755 index 000000000..c9ea8b896 --- /dev/null +++ b/tests/lttng/runall.sh @@ -0,0 +1,55 @@ +#!/bin/bash + +SESSIOND_BIN="ltt-sessiond" + +tmpdir=`mktemp -d` +tests=( kernel_all_events_basic ) +exit_code=0 + +function start_tests () +{ + for bin in ${tests[@]}; + do + ./$bin $tmpdir + # Test must return 0 to pass. + if [ $? -ne 0 ]; then + exit_code=1 + break + fi + done +} + +echo -e "\n----------------------------------" +echo -e "Testing lttng client (liblttngctl)" +echo -e "----------------------------------" + +if [ -z $(pidof $SESSIOND_BIN) ]; then + echo -n "Starting session daemon... " + ../ltt-sessiond/$SESSIOND_BIN --daemonize --quiet + if [ $? -eq 1 ]; then + echo -e '\e[1;31mFAILED\e[0m' + rm -rf $tmpdir + exit 1 + else + echo -e "\e[1;32mOK\e[0m" + fi +fi + +PID_SESSIOND=`pidof lt-$SESSIOND_BIN` + +# Simply wait for the session daemon bootstrap +sleep 1 + +start_tests + +echo -e -n "\nKilling session daemon... " +kill $PID_SESSIOND >/dev/null 2>&1 +if [ $? -eq 1 ]; then + echo -e '\e[1;31mFAILED\e[0m' +else + echo -e "\e[1;32mOK\e[0m" +fi + +rm -rf $tmpdir + +exit $exit_code diff --git a/tests/runall.sh b/tests/runall.sh index b0ae4fd4c..8abc4aaa1 100755 --- a/tests/runall.sh +++ b/tests/runall.sh @@ -19,7 +19,7 @@ #### ADD TESTS HERE #### -test_suite=( test_sessions test_kernel_data_trace ) +test_suite=( test_sessions test_kernel_data_trace lttng/runall.sh ) #### END TESTS HERE #### -- 2.34.1