userspace-probe: tests: add testcase for unsupported instrumentation

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

diff --git a/tests/regression/kernel/test_userspace_probe b/tests/regression/kernel/test_userspace_probe
index fb8ce303ffa2719a64c3c596d19c85727403a794..43a82430eba8ef7d2c52b7b7da3d73e7be647069 100755 (executable)
--- a/tests/regression/kernel/test_userspace_probe
+++ b/tests/regression/kernel/test_userspace_probe
@@ -21,7 +21,7 @@ TEST_DESC="Userspace probe - Testing userspace probe on ELF symbol"
 CURDIR=$(dirname "$0")/
 TESTDIR=$CURDIR/../..
 TESTAPP_DIR="$TESTDIR/utils/testapp/"
-ELF_TEST_BIN_DIR="$TESTAPP_DIR/userspace-probe-elf-binary/"
+ELF_TEST_BIN_DIR="$TESTAPP_DIR/userspace-probe-elf-binary/.libs/"
 ELF_TEST_BIN_NAME="userspace-probe-elf-binary"
 ELF_TEST_BIN="$ELF_TEST_BIN_DIR/$ELF_TEST_BIN_NAME"
 ELF_CXX_TEST_BIN_DIR="$TESTAPP_DIR/userspace-probe-elf-cxx-binary/"
@@ -32,7 +32,7 @@ SDT_TEST_BIN_NAME="userspace-probe-sdt-binary"
 SDT_TEST_BIN="$SDT_TEST_BIN_DIR/$SDT_TEST_BIN_NAME"
 ELF_SYMBOL="test_function"
 PROBE_EVENT_NAME=userspace_probe_test_event
-NUM_TESTS=81
+NUM_TESTS=93
 OUTPUT_DEST=/dev/null
 ERROR_OUTPUT_DEST=/dev/null
 
@@ -139,6 +139,31 @@ function test_userspace_probe_enable_elf_symbol_not_function ()
        rm -rf "$TRACE_PATH"
 }
 
+function test_userspace_probe_unsupported_types ()
+{
+       TRACE_PATH=$(mktemp -d)
+       SESSION_NAME="test_userspace_probe_unsupported_types"
+       # Userspace probe at an address or at an offset to a function
+       # instrumentation description types are not supported at the moment.
+       ENABLE_EXPR_1="elf:$ELF_TEST_BIN:0x400030"
+       ENABLE_EXPR_2="elf:$ELF_TEST_BIN:4194364"
+       ENABLE_EXPR_3="elf:$ELF_TEST_BIN:$ELF_SYMBOL+0x21"
+       ENABLE_EXPR_4="elf:$ELF_TEST_BIN:$ELF_SYMBOL+2"
+
+       diag "Userspace probe enable with unsupported instrumentation description type"
+
+       create_lttng_session_ok $SESSION_NAME "$TRACE_PATH"
+
+       lttng_enable_kernel_userspace_probe_event_fail $SESSION_NAME "$ENABLE_EXPR_1" $PROBE_EVENT_NAME
+       lttng_enable_kernel_userspace_probe_event_fail $SESSION_NAME "$ENABLE_EXPR_2" $PROBE_EVENT_NAME
+       lttng_enable_kernel_userspace_probe_event_fail $SESSION_NAME "$ENABLE_EXPR_3" $PROBE_EVENT_NAME
+       lttng_enable_kernel_userspace_probe_event_fail $SESSION_NAME "$ENABLE_EXPR_4" $PROBE_EVENT_NAME
+
+       destroy_lttng_session_ok $SESSION_NAME
+
+       rm -rf "$TRACE_PATH"
+}
+
 function test_userspace_probe_enable_implicit_probe_type ()
 {
        TRACE_PATH=$(mktemp -d)
@@ -284,6 +309,30 @@ function test_userspace_probe_elf ()
        rm -rf "$TRACE_PATH"
 }
 
+function test_userspace_probe_elf_dynamic_symbol ()
+{
+       TRACE_PATH=$(mktemp -d)
+       SESSION_NAME="test_userprobe_elf"
+       LIBFOO_PATH="$ELF_TEST_BIN_DIR/libfoo.so"
+       ENABLE_EXPR="elf:$LIBFOO_PATH:dynamic_symbol"
+
+       diag "Userspace probe on Elf dynamic symbol enabled and traced"
+
+       create_lttng_session_ok $SESSION_NAME "$TRACE_PATH"
+
+       lttng_enable_kernel_userspace_probe_event_ok $SESSION_NAME "$ENABLE_EXPR" $PROBE_EVENT_NAME
+
+       start_lttng_tracing_ok $SESSION_NAME
+       eval "$ELF_TEST_BIN"  > /dev/null
+       stop_lttng_tracing_ok $SESSION_NAME
+
+       validate_trace $PROBE_EVENT_NAME "$TRACE_PATH"
+
+       destroy_lttng_session_ok $SESSION_NAME
+
+       rm -rf "$TRACE_PATH"
+}
+
 function test_userspace_probe_elf_cxx_function ()
 {
        TRACE_PATH=$(mktemp -d)
@@ -792,6 +841,7 @@ skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS ||
        test_userspace_probe_enable_elf_missing_symbol_name
        test_userspace_probe_enable_elf_nonexistant_symbol
        test_userspace_probe_enable_elf_symbol_not_function
+       test_userspace_probe_unsupported_types
 
        # Successful userspace probe elf enabling
        test_userspace_probe_enable_implicit_probe_type
@@ -802,6 +852,7 @@ skip $isroot "Root access is needed. Skipping all tests." $NUM_TESTS ||
 
        # Successful tracing userspace probe elf
        test_userspace_probe_elf
+       test_userspace_probe_elf_dynamic_symbol
 
        # Disable userspace-probe elf
        test_userspace_probe_elf_disable