X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=tests%2Fregression%2Fkernel%2Ftest_select_poll_epoll;h=44b389213cbf7b94e0cde50dc4a47287353cf271;hb=23bbd912daaff257427fd88d9c77cdfe83127a0f;hp=e01866f75dcf22c0f0b6a603b9fffa08ee517ccc;hpb=a0b1f42c19b7ea6bcce77b33f4581ca5b3ac56e5;p=lttng-tools.git diff --git a/tests/regression/kernel/test_select_poll_epoll b/tests/regression/kernel/test_select_poll_epoll index e01866f75..44b389213 100755 --- a/tests/regression/kernel/test_select_poll_epoll +++ b/tests/regression/kernel/test_select_poll_epoll @@ -1,23 +1,13 @@ #!/bin/bash # -# Copyright (C) - 2016 Julien Desfossez +# Copyright (C) 2016 Julien Desfossez # -# 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 - select, poll and epoll payload extraction" -CURDIR=$(dirname $0)/ +CURDIR=$(dirname "$0")/ TESTDIR=$CURDIR/../.. VALIDATE_SCRIPT="$CURDIR/validate_select_poll_epoll.py" NUM_TESTS=102 @@ -25,6 +15,8 @@ NUM_TESTS=102 # Only run this test on x86 and arm uname -m | grep -E "x86|i686|arm|aarch64" >/dev/null 2>&1 if test $? != 0; then + plan_tests $NUM_TESTS + skip 0 "Run only on x86 and arm. Skipping all tests." $NUM_TESTS exit 0 fi @@ -43,6 +35,7 @@ LAST_WARNING=$(dmesg | grep " WARNING:" | cut -d' ' -f1 | tail -1) LAST_OOPS=$(dmesg | grep " OOPS:" | cut -d' ' -f1 | tail -1) LAST_BUG=$(dmesg | grep " BUG:" | cut -d' ' -f1 | tail -1) +# shellcheck source=../../utils/utils.sh source $TESTDIR/utils/utils.sh function check_trace_content() @@ -62,8 +55,9 @@ function check_trace_content() function test_working_cases() { - TRACE_PATH=$(mktemp -d) SESSION_NAME="syscall_payload" + TRACE_PATH=$(mktemp --tmpdir -d "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_trace_path.XXXXXX") + TEST_VALIDATION_OUTPUT_PATH=$(mktemp --tmpdir -u "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_validation.XXXXXX") # arm64 does not have epoll_wait uname -m | grep -E "aarch64" >/dev/null 2>&1 @@ -75,28 +69,29 @@ function test_working_cases() diag "Working cases for select, pselect6, poll, ppoll and epoll, waiting for input" - create_lttng_session_ok $SESSION_NAME $TRACE_PATH + create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" lttng_enable_kernel_syscall_ok $SESSION_NAME $SYSCALL_LIST add_context_kernel_ok $SESSION_NAME channel0 pid start_lttng_tracing_ok - { out=$(yes | $CURDIR/select_poll_epoll -t 1); } 2>/dev/null + yes | "$CURDIR"/select_poll_epoll --validation-file "$TEST_VALIDATION_OUTPUT_PATH" -t 1 stop_lttng_tracing_ok - pid=$(echo $out | cut -d' ' -f1) - validate_trace "$SYSCALL_LIST" $TRACE_PATH - check_trace_content -t 1 -p $pid $TRACE_PATH + validate_trace "$SYSCALL_LIST" "$TRACE_PATH" + check_trace_content -t 1 --validation-file "$TEST_VALIDATION_OUTPUT_PATH" "$TRACE_PATH" destroy_lttng_session_ok $SESSION_NAME - rm -rf $TRACE_PATH + rm -rf "$TRACE_PATH" + rm -f "$TEST_VALIDATION_OUTPUT_PATH" } function test_timeout_cases() { - TRACE_PATH=$(mktemp -d) SESSION_NAME="syscall_payload" + TRACE_PATH=$(mktemp --tmpdir -d "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_trace_path.XXXXXX") + TEST_VALIDATION_OUTPUT_PATH=$(mktemp --tmpdir -u "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_validation.XXXXXX") # arm64 does not have epoll_wait uname -m | grep -E "aarch64" >/dev/null 2>&1 @@ -108,244 +103,252 @@ function test_timeout_cases() diag "Timeout cases (1ms) for select, pselect6, poll, ppoll and epoll" - create_lttng_session_ok $SESSION_NAME $TRACE_PATH + create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" lttng_enable_kernel_syscall_ok $SESSION_NAME "$SYSCALL_LIST" add_context_kernel_ok $SESSION_NAME channel0 pid start_lttng_tracing_ok - { out=$($CURDIR/select_poll_epoll -t 2); } 2>/dev/null + yes | "$CURDIR"/select_poll_epoll --validation-file "$TEST_VALIDATION_OUTPUT_PATH" -t 2 stop_lttng_tracing_ok - pid=$(echo $out | cut -d' ' -f1) - validate_trace "$SYSCALL_LIST" $TRACE_PATH - check_trace_content -t 2 -p $pid $TRACE_PATH 2>/dev/null + validate_trace "$SYSCALL_LIST" "$TRACE_PATH" + check_trace_content -t 2 --validation-file "$TEST_VALIDATION_OUTPUT_PATH" "$TRACE_PATH" 2>/dev/null destroy_lttng_session_ok $SESSION_NAME - rm -rf $TRACE_PATH + rm -rf "$TRACE_PATH" + rm -f "$TEST_VALIDATION_OUTPUT_PATH" } -function test_big_pselect() +function test_pselect_invalid_fd() { - TRACE_PATH=$(mktemp -d) SESSION_NAME="syscall_payload" SYSCALL_LIST="pselect6" + TRACE_PATH=$(mktemp --tmpdir -d "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_trace_path.XXXXXX") + TEST_VALIDATION_OUTPUT_PATH=$(mktemp --tmpdir -u "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_validation.XXXXXX") - diag "pselect with a FD > 1023" + diag "pselect with invalid FD" - create_lttng_session_ok $SESSION_NAME $TRACE_PATH + create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" lttng_enable_kernel_syscall_ok $SESSION_NAME $SYSCALL_LIST add_context_kernel_ok $SESSION_NAME channel0 pid start_lttng_tracing_ok - { out=$($CURDIR/select_poll_epoll -t 3); } 2>/dev/null + yes | "$CURDIR"/select_poll_epoll --validation-file "$TEST_VALIDATION_OUTPUT_PATH" -t 3 stop_lttng_tracing_ok - pid=$(echo $out | cut -d' ' -f1) - validate_trace "$SYSCALL_LIST" $TRACE_PATH - check_trace_content -t 3 -p $pid $TRACE_PATH 2>/dev/null + validate_trace "$SYSCALL_LIST" "$TRACE_PATH" + check_trace_content -t 3 --validation-file "$TEST_VALIDATION_OUTPUT_PATH" "$TRACE_PATH" 2>/dev/null destroy_lttng_session_ok $SESSION_NAME - rm -rf $TRACE_PATH + rm -rf "$TRACE_PATH" + rm -f "$TEST_VALIDATION_OUTPUT_PATH" } function test_big_ppoll() { - TRACE_PATH=$(mktemp -d) SESSION_NAME="syscall_payload" SYSCALL_LIST="ppoll" + TRACE_PATH=$(mktemp --tmpdir -d "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_trace_path.XXXXXX") + TEST_VALIDATION_OUTPUT_PATH=$(mktemp --tmpdir -u "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_validation.XXXXXX") diag "ppoll with 2047 FDs" - create_lttng_session_ok $SESSION_NAME $TRACE_PATH + create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" lttng_enable_kernel_syscall_ok $SESSION_NAME $SYSCALL_LIST add_context_kernel_ok $SESSION_NAME channel0 pid start_lttng_tracing_ok - { out=$(yes | $CURDIR/select_poll_epoll -t 4); } 2>/dev/null + yes | "$CURDIR"/select_poll_epoll --validation-file "$TEST_VALIDATION_OUTPUT_PATH" -t 4 stop_lttng_tracing_ok - pid=$(echo $out | cut -d' ' -f1) - validate_trace "$SYSCALL_LIST" $TRACE_PATH - check_trace_content -t 4 -p $pid $TRACE_PATH 2>/dev/null + validate_trace "$SYSCALL_LIST" "$TRACE_PATH" + check_trace_content -t 4 --validation-file "$TEST_VALIDATION_OUTPUT_PATH" "$TRACE_PATH" 2>/dev/null destroy_lttng_session_ok $SESSION_NAME - rm -rf $TRACE_PATH + rm -rf "$TRACE_PATH" + rm -f "$TEST_VALIDATION_OUTPUT_PATH" } function test_ppoll_overflow() { - TRACE_PATH=$(mktemp -d) SESSION_NAME="syscall_payload" SYSCALL_LIST="ppoll" + TRACE_PATH=$(mktemp --tmpdir -d "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_trace_path.XXXXXX") + TEST_VALIDATION_OUTPUT_PATH=$(mktemp --tmpdir -u "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_validation.XXXXXX") diag "ppoll buffer overflow, should segfault, waits for input" - create_lttng_session_ok $SESSION_NAME $TRACE_PATH + create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" lttng_enable_kernel_syscall_ok $SESSION_NAME $SYSCALL_LIST add_context_kernel_ok $SESSION_NAME channel0 pid start_lttng_tracing_ok diag "Expect segfaults" - { out=$(yes | $CURDIR/select_poll_epoll -t 5); } 2>/dev/null + yes | "$CURDIR"/select_poll_epoll --validation-file "$TEST_VALIDATION_OUTPUT_PATH" -t 5 stop_lttng_tracing_ok - echo $out - pid=$(echo $out | cut -d' ' -f1) - validate_trace "$SYSCALL_LIST" $TRACE_PATH + validate_trace "$SYSCALL_LIST" "$TRACE_PATH" - check_trace_content -t 5 -p $pid $TRACE_PATH 2>/dev/null + check_trace_content -t 5 --validation-file "$TEST_VALIDATION_OUTPUT_PATH" "$TRACE_PATH" 2>/dev/null destroy_lttng_session_ok $SESSION_NAME - rm -rf $TRACE_PATH + rm -rf "$TRACE_PATH" + rm -f "$TEST_VALIDATION_OUTPUT_PATH" } function test_pselect_invalid_ptr() { - TRACE_PATH=$(mktemp -d) SESSION_NAME="syscall_payload" SYSCALL_LIST="pselect6" + TRACE_PATH=$(mktemp --tmpdir -d "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_trace_path.XXXXXX") + TEST_VALIDATION_OUTPUT_PATH=$(mktemp --tmpdir -u "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_validation.XXXXXX") diag "pselect with invalid pointer, waits for input" - create_lttng_session_ok $SESSION_NAME $TRACE_PATH + create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" lttng_enable_kernel_syscall_ok $SESSION_NAME $SYSCALL_LIST add_context_kernel_ok $SESSION_NAME channel0 pid start_lttng_tracing_ok - { out=$(yes | $CURDIR/select_poll_epoll -t 6); } 2>/dev/null + yes | "$CURDIR"/select_poll_epoll --validation-file "$TEST_VALIDATION_OUTPUT_PATH" -t 6 stop_lttng_tracing_ok - pid=$(echo $out | cut -d' ' -f1) - validate_trace "$SYSCALL_LIST" $TRACE_PATH - check_trace_content -t 6 -p $pid $TRACE_PATH 2>/dev/null + validate_trace "$SYSCALL_LIST" "$TRACE_PATH" + check_trace_content -t 6 --validation-file "$TEST_VALIDATION_OUTPUT_PATH" "$TRACE_PATH" 2>/dev/null destroy_lttng_session_ok $SESSION_NAME - rm -rf $TRACE_PATH + rm -rf "$TRACE_PATH" + rm -f "$TEST_VALIDATION_OUTPUT_PATH" } function test_ppoll_ulong_max() { - TRACE_PATH=$(mktemp -d) SESSION_NAME="syscall_payload" SYSCALL_LIST="ppoll" + TRACE_PATH=$(mktemp --tmpdir -d "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_trace_path.XXXXXX") + TEST_VALIDATION_OUTPUT_PATH=$(mktemp --tmpdir -u "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_validation.XXXXXX") diag "ppoll with ulong_max fds, waits for input" - create_lttng_session_ok $SESSION_NAME $TRACE_PATH + create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" lttng_enable_kernel_syscall_ok $SESSION_NAME $SYSCALL_LIST add_context_kernel_ok $SESSION_NAME channel0 pid start_lttng_tracing_ok - { out=$(yes | $CURDIR/select_poll_epoll -t 7); } 2>/dev/null + yes | "$CURDIR"/select_poll_epoll --validation-file "$TEST_VALIDATION_OUTPUT_PATH" -t 7 stop_lttng_tracing_ok - pid=$(echo $out | cut -d' ' -f1) - validate_trace "$SYSCALL_LIST" $TRACE_PATH - check_trace_content -t 7 -p $pid $TRACE_PATH 2>/dev/null + validate_trace "$SYSCALL_LIST" "$TRACE_PATH" + check_trace_content -t 7 --validation-file "$TEST_VALIDATION_OUTPUT_PATH" "$TRACE_PATH" 2>/dev/null destroy_lttng_session_ok $SESSION_NAME - rm -rf $TRACE_PATH + rm -rf "$TRACE_PATH" + rm -f "$TEST_VALIDATION_OUTPUT_PATH" } function test_epoll_pwait_invalid_ptr() { - TRACE_PATH=$(mktemp -d) SESSION_NAME="syscall_payload" SYSCALL_LIST="epoll_pwait" + TRACE_PATH=$(mktemp --tmpdir -d "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_trace_path.XXXXXX") + TEST_VALIDATION_OUTPUT_PATH=$(mktemp --tmpdir -u "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_validation.XXXXXX") diag "epoll_pwait with invalid pointer, waits for input" - create_lttng_session_ok $SESSION_NAME $TRACE_PATH + create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" lttng_enable_kernel_syscall_ok $SESSION_NAME $SYSCALL_LIST add_context_kernel_ok $SESSION_NAME channel0 pid start_lttng_tracing_ok - { out=$(yes | $CURDIR/select_poll_epoll -t 8); } 2>/dev/null + yes | "$CURDIR"/select_poll_epoll --validation-file "$TEST_VALIDATION_OUTPUT_PATH" -t 8 stop_lttng_tracing_ok - pid=$(echo $out | cut -d' ' -f1) - validate_trace "$SYSCALL_LIST" $TRACE_PATH - check_trace_content -t 8 -p $pid $TRACE_PATH 2>/dev/null + validate_trace "$SYSCALL_LIST" "$TRACE_PATH" + check_trace_content -t 8 --validation-file "$TEST_VALIDATION_OUTPUT_PATH" "$TRACE_PATH" 2>/dev/null destroy_lttng_session_ok $SESSION_NAME - rm -rf $TRACE_PATH + rm -rf "$TRACE_PATH" + rm -f "$TEST_VALIDATION_OUTPUT_PATH" } function test_epoll_pwait_int_max() { - TRACE_PATH=$(mktemp -d) SESSION_NAME="syscall_payload" SYSCALL_LIST="epoll_pwait" + TRACE_PATH=$(mktemp --tmpdir -d "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_trace_path.XXXXXX") + TEST_VALIDATION_OUTPUT_PATH=$(mktemp --tmpdir -u "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_validation.XXXXXX") diag "epoll_pwait with maxevents set to INT_MAX, waits for input" - create_lttng_session_ok $SESSION_NAME $TRACE_PATH + create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" lttng_enable_kernel_syscall_ok $SESSION_NAME $SYSCALL_LIST add_context_kernel_ok $SESSION_NAME channel0 pid start_lttng_tracing_ok - { out=$(yes | $CURDIR/select_poll_epoll -t 9); } 2>/dev/null + yes | "$CURDIR"/select_poll_epoll --validation-file "$TEST_VALIDATION_OUTPUT_PATH" -t 9 stop_lttng_tracing_ok - pid=$(echo $out | cut -d' ' -f1) - validate_trace "$SYSCALL_LIST" $TRACE_PATH - check_trace_content -t 9 -p $pid $TRACE_PATH 2>/dev/null + validate_trace "$SYSCALL_LIST" "$TRACE_PATH" + check_trace_content -t 9 --validation-file "$TEST_VALIDATION_OUTPUT_PATH" "$TRACE_PATH" 2>/dev/null destroy_lttng_session_ok $SESSION_NAME - rm -rf $TRACE_PATH + rm -rf "$TRACE_PATH" + rm -f "$TEST_VALIDATION_OUTPUT_PATH" } function test_ppoll_concurrent() { - TRACE_PATH=$(mktemp -d) SESSION_NAME="syscall_payload" SYSCALL_LIST="ppoll" + TRACE_PATH=$(mktemp --tmpdir -d "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_trace_path.XXXXXX") + TEST_VALIDATION_OUTPUT_PATH=$(mktemp --tmpdir -u "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_validation.XXXXXX") diag "ppoll with concurrent updates of the structure from user-space, stress test (3000 iterations), waits for input + timeout 1ms" - create_lttng_session_ok $SESSION_NAME $TRACE_PATH + create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" lttng_enable_kernel_syscall_ok $SESSION_NAME $SYSCALL_LIST add_context_kernel_ok $SESSION_NAME channel0 pid start_lttng_tracing_ok - { out=$(yes | $CURDIR/select_poll_epoll -t 10); } 2>/dev/null + yes | "$CURDIR"/select_poll_epoll --validation-file "$TEST_VALIDATION_OUTPUT_PATH" -t 10 stop_lttng_tracing_ok - pid=$(echo $out | cut -d' ' -f1) - validate_trace "$SYSCALL_LIST" $TRACE_PATH - check_trace_content -t 10 -p $pid $TRACE_PATH 2>/dev/null + validate_trace "$SYSCALL_LIST" "$TRACE_PATH" + check_trace_content -t 10 --validation-file "$TEST_VALIDATION_OUTPUT_PATH" "$TRACE_PATH" 2>/dev/null destroy_lttng_session_ok $SESSION_NAME - rm -rf $TRACE_PATH + rm -rf "$TRACE_PATH" + rm -f "$TEST_VALIDATION_OUTPUT_PATH" } function test_epoll_pwait_concurrent() { - TRACE_PATH=$(mktemp -d) SESSION_NAME="syscall_payload" SYSCALL_LIST="epoll_ctl,epoll_pwait" + TRACE_PATH=$(mktemp --tmpdir -d "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_trace_path.XXXXXX") + TEST_VALIDATION_OUTPUT_PATH=$(mktemp --tmpdir -u "tmp.test_kernel_select_poll_epoll_${FUNCNAME[0]}_validation.XXXXXX") diag "epoll_pwait with concurrent munmap of the buffer from user-space, should randomly segfault, run multiple times, waits for input + timeout 1ms" - create_lttng_session_ok $SESSION_NAME $TRACE_PATH + create_lttng_session_ok $SESSION_NAME "$TRACE_PATH" lttng_enable_kernel_syscall_ok $SESSION_NAME $SYSCALL_LIST add_context_kernel_ok $SESSION_NAME channel0 pid @@ -353,18 +356,18 @@ function test_epoll_pwait_concurrent() start_lttng_tracing_ok diag "Expect segfaults" for i in $(seq 1 100); do - { out=$($CURDIR/select_poll_epoll -t 11); } 2>/dev/null + yes | "$CURDIR"/select_poll_epoll --validation-file "$TEST_VALIDATION_OUTPUT_PATH" -t 11 done - pid=$(echo $out | cut -d' ' -f1) stop_lttng_tracing_ok # epoll_wait is not always generated in the trace (stress test) - validate_trace "epoll_ctl" $TRACE_PATH - check_trace_content -t 11 -p $pid $TRACE_PATH 2>/dev/null + validate_trace "epoll_ctl" "$TRACE_PATH" + check_trace_content -t 11 --validation-file "$TEST_VALIDATION_OUTPUT_PATH" "$TRACE_PATH" 2>/dev/null destroy_lttng_session_ok $SESSION_NAME - rm -rf $TRACE_PATH + rm -rf "$TRACE_PATH" + rm -f "$TEST_VALIDATION_OUTPUT_PATH" } # MUST set TESTDIR before calling those functions @@ -380,11 +383,13 @@ fi skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS || { + validate_lttng_modules_present + start_lttng_sessiond test_working_cases test_timeout_cases - test_big_pselect + test_pselect_invalid_fd test_big_ppoll test_ppoll_overflow test_pselect_invalid_ptr