Tests: Add syscall enable/disable scenarios

[lttng-tools.git] / tests / regression / kernel / test_syscall

diff --git a/tests/regression/kernel/test_syscall b/tests/regression/kernel/test_syscall
index 1dcae90c3e02d744194dbdb44bc589c529198a37..9ce40dcc52bf5fc84ae7643090169d87630552ec 100755 (executable)
--- a/tests/regression/kernel/test_syscall
+++ b/tests/regression/kernel/test_syscall
@@ -1,26 +1,16 @@
 #!/bin/bash
 #
-# Copyright (C) - 2013 Christian Babeux <christian.babeux@efficios.com>
-# Copyright (C) - 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+# Copyright (C) 2013 Christian Babeux <christian.babeux@efficios.com>
+# Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License, version 2 only, as
-# published by the Free Software Foundation.
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# 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.
 
 TEST_DESC="Kernel tracer - System calls"
 
 CURDIR=$(dirname $0)/
 TESTDIR=$CURDIR/../..
-NUM_TESTS=183
+NUM_TESTS=214
 
 # `gen-syscall-event` starts and waits for the creation a file passed by
 # arguments to start executing 3 syscalls (open,read,close) and returning.
@@ -152,16 +142,16 @@ function test_syscall_single()
 
        create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 
-       lttng_enable_kernel_syscall_ok $SESSION_NAME "open"
+       lttng_enable_kernel_syscall_ok $SESSION_NAME "openat"
 
        trace_testapp
 
        # ensure all events are in the trace.
-       validate_trace_exp "-e syscall_entry_open: -e compat_syscall_entry_open:" $TRACE_PATH
-       validate_trace_exp "-e syscall_exit_open: -e compat_syscall_exit_open:" $TRACE_PATH
+       validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH
+       validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH
 
        # ensure trace only contains those.
-       validate_trace_only_exp "-e syscall_entry_open: -e compat_syscall_entry_open: -e syscall_exit_open: -e compat_syscall_exit_open:" $TRACE_PATH
+       validate_trace_only_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH
 
        destroy_lttng_session_ok $SESSION_NAME
 
@@ -177,19 +167,19 @@ function test_syscall_two()
 
        create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 
-       lttng_enable_kernel_syscall_ok $SESSION_NAME "open"
+       lttng_enable_kernel_syscall_ok $SESSION_NAME "openat"
        lttng_enable_kernel_syscall_ok $SESSION_NAME "close"
 
        trace_testapp
 
        # ensure all events are in the trace.
-       validate_trace_exp "-e syscall_entry_open: -e compat_syscall_entry_open:" $TRACE_PATH
-       validate_trace_exp "-e syscall_exit_open: -e compat_syscall_exit_open:" $TRACE_PATH
+       validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH
+       validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH
        validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH
        validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH
 
        # ensure trace only contains those.
-       validate_trace_only_exp "-e syscall_entry_open: -e compat_syscall_entry_open: -e syscall_exit_open: -e compat_syscall_exit_open: -e syscall_entry_close: -e compat_syscall_entry_close: -e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH
+       validate_trace_only_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat: -e syscall_entry_close: -e compat_syscall_entry_close: -e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH
 
        destroy_lttng_session_ok $SESSION_NAME
 
@@ -211,8 +201,8 @@ function test_syscall_all()
        trace_testapp
 
        # ensure at least open and close are there.
-       validate_trace_exp "-e syscall_entry_open: -e compat_syscall_entry_open:" $TRACE_PATH
-       validate_trace_exp "-e syscall_exit_open: -e compat_syscall_exit_open:" $TRACE_PATH
+       validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH
+       validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH
        validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH
        validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH
        # trace may contain other syscalls.
@@ -235,12 +225,12 @@ function test_syscall_all_disable_one()
        lttng_enable_kernel_syscall_ok $SESSION_NAME
        # try to disable open system call: fails because enabler semantic of
        # "all syscalls" is not "the open" system call.
-       lttng_disable_kernel_syscall_fail $SESSION_NAME "open"
+       lttng_disable_kernel_syscall_fail $SESSION_NAME "openat"
 
        trace_testapp
 
-       # ensure "open" syscall is there.
-       validate_trace_exp "-e syscall_entry_open: -e compat_syscall_entry_open: -e syscall_exit_open: -e compat_syscall_exit_open:" $TRACE_PATH
+       # ensure "openat" syscall is there.
+       validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH
 
        # ensure "close" syscall is there.
        validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH
@@ -264,13 +254,13 @@ function test_syscall_all_disable_two()
        lttng_enable_kernel_syscall_ok $SESSION_NAME
        # try to disable open and close system calls: fails because enabler
        # semantic of "all syscalls" is not "the open" system call.
-       lttng_disable_kernel_syscall_fail $SESSION_NAME "open"
+       lttng_disable_kernel_syscall_fail $SESSION_NAME "openat"
        lttng_disable_kernel_syscall_fail $SESSION_NAME "close"
 
        trace_testapp
 
-       # ensure "open" syscall is there.
-       validate_trace_exp "-e syscall_entry_open: -e compat_syscall_entry_open: -e syscall_exit_open: -e compat_syscall_exit_open:" $TRACE_PATH
+       # ensure "openat" syscall is there.
+       validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH
 
        # ensure "close" syscall is there.
        validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH
@@ -328,8 +318,8 @@ function test_syscall_enable_all_disable_all_enable_all()
        trace_testapp
 
        # ensure at least open and close are there.
-       validate_trace_exp "-e syscall_entry_open: -e compat_syscall_entry_open:" $TRACE_PATH
-       validate_trace_exp "-e syscall_exit_open: -e compat_syscall_exit_open:" $TRACE_PATH
+       validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH
+       validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH
        validate_trace_exp "-e syscall_entry_close: -e compat_syscall_entry_close:" $TRACE_PATH
        validate_trace_exp "-e syscall_exit_close: -e compat_syscall_exit_close:" $TRACE_PATH
        # trace may contain other syscalls.
@@ -339,6 +329,96 @@ function test_syscall_enable_all_disable_all_enable_all()
        rm -rf $TRACE_PATH
 }
 
+function test_syscall_enable_all_enable_one_disable_all()
+{
+       TRACE_PATH=$(mktemp -d)
+       SESSION_NAME="kernel_syscall_enable_all_enable_one_disable_all"
+
+       diag "Syscall trace all events, enable one and disable all"
+
+       create_lttng_session_ok $SESSION_NAME "$TRACE_PATH"
+
+       # enable all syscalls
+       lttng_enable_kernel_syscall_ok $SESSION_NAME
+
+       # enable one specific syscall, "openat"
+       lttng_enable_kernel_syscall_ok $SESSION_NAME openat
+
+       # disable all syscalls
+       lttng_disable_kernel_syscall_ok $SESSION_NAME
+
+       trace_testapp
+
+       # The trace shouldn't contain any syscalls, disable-all should disable
+       # even individually specified syscalls
+       trace_match_only openat 0 "$TRACE_PATH"
+
+       destroy_lttng_session_ok $SESSION_NAME
+
+       rm -rf "$TRACE_PATH"
+}
+
+function test_syscall_enable_one_enable_all_disable_one()
+{
+       TRACE_PATH=$(mktemp -d)
+       SESSION_NAME="kernel_syscall_enable_one_enable_all_disable_one"
+
+       diag "Syscall trace all events and enable/disable one"
+
+       create_lttng_session_ok $SESSION_NAME "$TRACE_PATH"
+
+       # enable one specific syscall, "openat"
+       lttng_enable_kernel_syscall_ok $SESSION_NAME openat
+
+       # enable all syscalls
+       lttng_enable_kernel_syscall_ok $SESSION_NAME
+
+       # disable one specific syscall, "openat"
+       lttng_disable_kernel_syscall_ok $SESSION_NAME openat
+
+       trace_testapp
+
+       # The trace should contain all syscalls, including 'openat' because
+       # enable-all overrides individually disabled syscalls.
+       validate_trace openat "$TRACE_PATH"
+
+       destroy_lttng_session_ok $SESSION_NAME
+
+       rm -rf "$TRACE_PATH"
+}
+
+function test_syscall_enable_one_enable_all_disable_all_disable_one()
+{
+       TRACE_PATH=$(mktemp -d)
+       SESSION_NAME="kernel_syscall_enable_one_enable_all_disable_all_disable_one"
+
+       diag "Syscall trace all events and enable/disable one"
+
+       create_lttng_session_ok $SESSION_NAME "$TRACE_PATH"
+
+       # enable one specific syscall, "openat"
+       lttng_enable_kernel_syscall_ok $SESSION_NAME openat
+
+       # enable all syscalls
+       lttng_enable_kernel_syscall_ok $SESSION_NAME
+
+       # disable all syscalls
+       lttng_disable_kernel_syscall_ok $SESSION_NAME
+
+       # disable one specific syscall, "openat"
+       lttng_disable_kernel_syscall_ok $SESSION_NAME openat
+
+       trace_testapp
+
+       # The trace shouldn't contain any syscalls, disable-all should disable
+       # even individually specified syscalls
+       trace_match_only openat 0 "$TRACE_PATH"
+
+       destroy_lttng_session_ok $SESSION_NAME
+
+       rm -rf "$TRACE_PATH"
+}
+
 function test_syscall_enable_all_disable_all_twice()
 {
        TRACE_PATH=$(mktemp -d)
@@ -377,9 +457,9 @@ function test_syscall_enable_one_disable_one()
        create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 
        # enable open system call
-       lttng_enable_kernel_syscall_ok $SESSION_NAME "open"
+       lttng_enable_kernel_syscall_ok $SESSION_NAME "openat"
        # disable open system call
-       lttng_disable_kernel_syscall_ok $SESSION_NAME "open"
+       lttng_disable_kernel_syscall_ok $SESSION_NAME "openat"
 
        trace_testapp
 
@@ -401,10 +481,10 @@ function test_syscall_enable_two_disable_two()
        create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 
        # enable open and close system calls
-       lttng_enable_kernel_syscall_ok $SESSION_NAME "open"
+       lttng_enable_kernel_syscall_ok $SESSION_NAME "openat"
        lttng_enable_kernel_syscall_ok $SESSION_NAME "close"
        # disable open and close system calls
-       lttng_disable_kernel_syscall_ok $SESSION_NAME "open"
+       lttng_disable_kernel_syscall_ok $SESSION_NAME "openat"
        lttng_disable_kernel_syscall_ok $SESSION_NAME "close"
 
        trace_testapp
@@ -427,7 +507,7 @@ function test_syscall_enable_two_disable_one()
        create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 
        # enable open and close system calls
-       lttng_enable_kernel_syscall_ok $SESSION_NAME "open"
+       lttng_enable_kernel_syscall_ok $SESSION_NAME "openat"
        lttng_enable_kernel_syscall_ok $SESSION_NAME "close"
        # disable close system call
        lttng_disable_kernel_syscall_ok $SESSION_NAME "close"
@@ -435,11 +515,11 @@ function test_syscall_enable_two_disable_one()
        trace_testapp
 
        # ensure open is there.
-       validate_trace_exp "-e syscall_entry_open: -e compat_syscall_entry_open:" $TRACE_PATH
-       validate_trace_exp "-e syscall_exit_open: -e compat_syscall_exit_open:" $TRACE_PATH
+       validate_trace_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat:" $TRACE_PATH
+       validate_trace_exp "-e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH
 
        # ensure trace only contains those.
-       validate_trace_only_exp "-e syscall_entry_open: -e compat_syscall_entry_open: -e syscall_exit_open: -e compat_syscall_exit_open:" $TRACE_PATH
+       validate_trace_only_exp "-e syscall_entry_openat: -e compat_syscall_entry_openat: -e syscall_exit_openat: -e compat_syscall_exit_openat:" $TRACE_PATH
 
        destroy_lttng_session_ok $SESSION_NAME
 
@@ -455,11 +535,11 @@ function test_syscall_disable_twice()
 
        create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 
-       lttng_enable_kernel_syscall_ok $SESSION_NAME "open"
+       lttng_enable_kernel_syscall_ok $SESSION_NAME "openat"
        # First disable will succeed
-       lttng_disable_kernel_syscall_ok $SESSION_NAME "open"
+       lttng_disable_kernel_syscall_ok $SESSION_NAME "openat"
        # Second disable succeeds too, due to enabler semantic.
-       lttng_disable_kernel_syscall_ok $SESSION_NAME "open"
+       lttng_disable_kernel_syscall_ok $SESSION_NAME "openat"
 
        destroy_lttng_session_ok $SESSION_NAME
 
@@ -516,7 +596,7 @@ function test_syscall_enable_all_enable_one()
 
        lttng_enable_kernel_syscall_ok $SESSION_NAME
        # Enabling an event already enabled succeeds, due to enabler semantic.
-       lttng_enable_kernel_syscall_ok $SESSION_NAME "open"
+       lttng_enable_kernel_syscall_ok $SESSION_NAME "openat"
 
        destroy_lttng_session_ok $SESSION_NAME
 
@@ -535,7 +615,7 @@ function test_syscall_disable_all_disable_one()
        lttng_enable_kernel_syscall_ok $SESSION_NAME
        lttng_disable_kernel_syscall_ok $SESSION_NAME
        # Disabling an event already disabled fails.
-       lttng_disable_kernel_syscall_fail $SESSION_NAME "open"
+       lttng_disable_kernel_syscall_fail $SESSION_NAME "openat"
 
        destroy_lttng_session_ok $SESSION_NAME
 
@@ -573,7 +653,7 @@ function test_syscall_enable_channel_disable_one()
        create_lttng_session_ok $SESSION_NAME $TRACE_PATH
 
        lttng_enable_kernel_channel_ok $SESSION_NAME $CHANNEL_NAME
-       lttng_disable_kernel_syscall_fail $SESSION_NAME "open" $CHANNEL_NAME
+       lttng_disable_kernel_syscall_fail $SESSION_NAME "openat" $CHANNEL_NAME
 
        destroy_lttng_session_ok $SESSION_NAME
 
@@ -606,6 +686,9 @@ skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS ||
        test_syscall_enable_all_disable_all
        test_syscall_enable_all_disable_all_enable_all
        test_syscall_enable_all_disable_all_twice
+       test_syscall_enable_all_enable_one_disable_all
+       test_syscall_enable_one_enable_all_disable_one
+       test_syscall_enable_one_enable_all_disable_all_disable_one
        test_syscall_enable_one_disable_one
        test_syscall_enable_two_disable_two
        test_syscall_enable_two_disable_one