1 # Copyright 2011-2020 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
16 load_lib "trace-support.exp"
18 if {[skip_shlib_tests]} {
22 # Do not run if gdbsever debug is enabled - the output file is many Gb.
23 if [gdbserver_debug_enabled] {
28 set executable $testfile
30 # Check that the target supports trace.
31 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
32 untested "failed to compile"
36 clean_restart ${testfile}
39 fail "can't run to main to check for trace support"
43 if ![gdb_target_supports_trace] {
44 unsupported "target does not support trace"
48 # Compile the test case with the in-process agent library.
49 set ipalib [get_in_proc_agent]
51 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
52 executable [concat {debug c} shlib=$ipalib]] != "" } {
53 untested "failed to compile"
57 # Typically we need a little extra time for this test.
67 proc prepare_for_trace_test {} {
71 clean_restart $executable
72 gdb_load_shlib $ipalib
76 set testline [gdb_get_line_number "set pre-run breakpoint here"]
78 gdb_test "break $testline" ".*" ""
80 set testline [gdb_get_line_number "set post-run breakpoint here"]
82 gdb_test "break $testline" ".*" ""
85 proc run_trace_experiment {} {
88 ".*Breakpoint \[0-9\]+, main .*" \
89 "advance to trace begin"
91 gdb_test_no_output "tstart" "start trace experiment"
94 ".*Breakpoint \[0-9\]+, main .*" \
95 "advance through tracing"
97 gdb_test "tstatus" ".*Trace .*" "check on trace status"
99 gdb_test "tstop" "" ""
102 proc gdb_slow_trace_speed_test { } {
104 gdb_delete_tracepoints
106 gdb_test "print iters = init_iters" ".* = .*"
108 set testline [gdb_get_line_number "set tracepoint here"]
110 gdb_test "trace $testline if (globfoo != 12 && globfoo2 == 45)" \
111 "Tracepoint \[0-9\]+ at .*" \
112 "set slow tracepoint"
118 proc gdb_fast_trace_speed_test { } {
121 gdb_delete_tracepoints
123 gdb_test "print iters = init_iters" ".* = .*"
127 set testline [gdb_get_line_number "set tracepoint here"]
129 gdb_test_multiple "ftrace $testline if (globfoo != 12 && globfoo2 == 45)" \
130 "set conditional fast tracepoint" {
131 -re "Fast tracepoint \[0-9\]+ at .*\r\n$gdb_prompt $" {
132 pass "set conditional fast tracepoint, done"
135 -re "May not have a fast tracepoint at .*\r\n$gdb_prompt $" {
136 pass "set conditional fast tracepoint, not allowed at line"
140 # If the fast tracepoint couldn't be set, don't bother with the run.
141 if { $run_ftrace == 1 } then {
148 proc gdb_trace_collection_test {} {
150 prepare_for_trace_test
152 gdb_slow_trace_speed_test
154 gdb_fast_trace_speed_test
157 clean_restart $executable
158 gdb_load_shlib $ipalib
162 if { ![gdb_target_supports_trace] } then {
163 unsupported "current target does not support trace"
167 # Body of test encased in a proc so we can return prematurely.
168 gdb_trace_collection_test