| # Copyright 2015-2021 Free Software Foundation, Inc. |
| # 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 |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # 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, see <http://www.gnu.org/licenses/>. |
| |
| load_lib "trace-support.exp" |
| |
| if {[skip_shlib_tests]} { |
| return 0 |
| } |
| |
| standard_testfile |
| set executable $testfile |
| set expfile $testfile.exp |
| |
| # Some targets have leading underscores on assembly symbols. |
| set options [list debug [gdb_target_symbol_prefix_flags]] |
| |
| # Check that the target supports trace. |
| if ![gdb_trace_common_supports_arch] { |
| unsupported "no trace-common.h support for arch" |
| return -1 |
| } |
| if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } { |
| untested "failed to compile" |
| return -1 |
| } |
| |
| clean_restart ${testfile} |
| |
| if ![runto_main] { |
| return -1 |
| } |
| |
| if ![gdb_target_supports_trace] { |
| unsupported "target does not support trace" |
| return -1 |
| } |
| |
| # Compile the test case with the in-process agent library. |
| set libipa [get_in_proc_agent] |
| gdb_load_shlib $libipa |
| |
| lappend options shlib=$libipa |
| |
| if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } { |
| untested "failed to compile with in-process agent library" |
| return -1 |
| } |
| |
| # This test makes sure that disabling and enabling tracepoints works |
| # correctly. TRACEPOINT_CMD is the command used to set tracepoints |
| # (e.g. trace or ftrace). |
| |
| proc test_tracepoint_enable_disable { tracepoint_cmd } { |
| with_test_prefix "test_tracepoint_enable_disable $tracepoint_cmd" { |
| global executable |
| clean_restart ${executable} |
| |
| set expected 0 |
| |
| if ![runto_main] { |
| return -1 |
| } |
| |
| gdb_test "$tracepoint_cmd point_a" "(Tracepoint|Fast tracepoint) 2.*" |
| gdb_test "$tracepoint_cmd point_b" "(Tracepoint|Fast tracepoint) 3.*" |
| gdb_breakpoint "break_here" |
| gdb_test_no_output "tstart" |
| |
| # Test that tracepoints start enabled |
| with_test_prefix "start" { |
| gdb_continue "break_here" |
| incr expected 2 |
| gdb_test "tstatus" "Collected $expected trace frames.*" |
| } |
| |
| # Test that disabling works |
| with_test_prefix "disable #1" { |
| gdb_test_no_output "disable 2" |
| gdb_continue "break_here" |
| incr expected 1 |
| gdb_test "tstatus" "Collected $expected trace frames.*" |
| } |
| |
| with_test_prefix "disable #2" { |
| gdb_test_no_output "disable 3" |
| gdb_continue "break_here" |
| gdb_test "tstatus" "Collected $expected trace frames.*" |
| } |
| |
| # Test that disabling an already disabled tracepoint works |
| with_test_prefix "disable #3" { |
| gdb_test_no_output "disable 2" |
| gdb_continue "break_here" |
| gdb_test "tstatus" "Collected $expected trace frames.*" |
| } |
| |
| # Test that enabling works |
| with_test_prefix "enable #1" { |
| gdb_test_no_output "enable 2" |
| gdb_continue "break_here" |
| incr expected 1 |
| gdb_test "tstatus" "Collected $expected trace frames.*" |
| } |
| |
| with_test_prefix "enable #2" { |
| gdb_test_no_output "enable 3" |
| gdb_continue "break_here" |
| incr expected 2 |
| gdb_test "tstatus" "Collected $expected trace frames.*" |
| } |
| |
| # Test that enabling an already enabled tracepoint works |
| with_test_prefix "enable #3" { |
| gdb_test_no_output "enable 3" |
| gdb_continue "break_here" |
| incr expected 2 |
| gdb_test "tstatus" "Collected $expected trace frames.*" |
| } |
| } |
| } |
| |
| test_tracepoint_enable_disable trace |
| test_tracepoint_enable_disable ftrace |