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e2882c85 | 1 | # Copyright 2015-2018 Free Software Foundation, Inc. |
9080ac9d SM |
2 | # This program is free software; you can redistribute it and/or modify |
3 | # it under the terms of the GNU General Public License as published by | |
4 | # the Free Software Foundation; either version 3 of the License, or | |
5 | # (at your option) any later version. | |
6 | # | |
7 | # This program is distributed in the hope that it will be useful, | |
8 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
9 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
10 | # GNU General Public License for more details. | |
11 | # | |
12 | # You should have received a copy of the GNU General Public License | |
13 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
14 | ||
15 | load_lib "trace-support.exp" | |
16 | ||
17 | standard_testfile | |
18 | set executable $testfile | |
19 | set expfile $testfile.exp | |
20 | ||
21 | # Some targets have leading underscores on assembly symbols. | |
22 | set options [list debug [gdb_target_symbol_prefix_flags]] | |
23 | ||
24 | # Check that the target supports trace. | |
25 | if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } { | |
84c93cd5 | 26 | untested "failed to compile" |
9080ac9d SM |
27 | return -1 |
28 | } | |
29 | ||
30 | clean_restart ${testfile} | |
31 | ||
32 | if ![runto_main] { | |
bc6c7af4 | 33 | fail "can't run to main to check for trace support" |
9080ac9d SM |
34 | return -1 |
35 | } | |
36 | ||
37 | if ![gdb_target_supports_trace] { | |
38 | unsupported "target does not support trace" | |
39 | return -1 | |
40 | } | |
41 | ||
42 | # Compile the test case with the in-process agent library. | |
43 | set libipa [get_in_proc_agent] | |
44 | gdb_load_shlib $libipa | |
45 | ||
46 | lappend options shlib=$libipa | |
47 | ||
48 | if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } { | |
84c93cd5 | 49 | untested "failed to compile with in-process agent library" |
9080ac9d SM |
50 | return -1 |
51 | } | |
52 | ||
53 | # This test makes sure that disabling and enabling tracepoints works | |
54 | # correctly. TRACEPOINT_CMD is the command used to set tracepoints | |
55 | # (e.g. trace or ftrace). | |
56 | ||
57 | proc test_tracepoint_enable_disable { tracepoint_cmd } { | |
58 | with_test_prefix "test_tracepoint_enable_disable $tracepoint_cmd" { | |
59 | global executable | |
60 | clean_restart ${executable} | |
61 | ||
62 | set expected 0 | |
63 | ||
64 | if ![runto_main] { | |
bc6c7af4 | 65 | fail "can't run to main." |
9080ac9d SM |
66 | return -1 |
67 | } | |
68 | ||
69 | gdb_test "$tracepoint_cmd point_a" "(Tracepoint|Fast tracepoint) 2.*" | |
70 | gdb_test "$tracepoint_cmd point_b" "(Tracepoint|Fast tracepoint) 3.*" | |
71 | gdb_breakpoint "break_here" | |
72 | gdb_test_no_output "tstart" | |
73 | ||
74 | # Test that tracepoints start enabled | |
75 | with_test_prefix "start" { | |
76 | gdb_continue "break_here" | |
77 | incr expected 2 | |
78 | gdb_test "tstatus" "Collected $expected trace frames.*" | |
79 | } | |
80 | ||
81 | # Test that disabling works | |
82 | with_test_prefix "disable #1" { | |
83 | gdb_test_no_output "disable 2" | |
84 | gdb_continue "break_here" | |
85 | incr expected 1 | |
86 | gdb_test "tstatus" "Collected $expected trace frames.*" | |
87 | } | |
88 | ||
89 | with_test_prefix "disable #2" { | |
90 | gdb_test_no_output "disable 3" | |
91 | gdb_continue "break_here" | |
92 | gdb_test "tstatus" "Collected $expected trace frames.*" | |
93 | } | |
94 | ||
95 | # Test that disabling an already disabled tracepoint works | |
96 | with_test_prefix "disable #3" { | |
97 | gdb_test_no_output "disable 2" | |
98 | gdb_continue "break_here" | |
99 | gdb_test "tstatus" "Collected $expected trace frames.*" | |
100 | } | |
101 | ||
102 | # Test that enabling works | |
103 | with_test_prefix "enable #1" { | |
104 | gdb_test_no_output "enable 2" | |
105 | gdb_continue "break_here" | |
106 | incr expected 1 | |
107 | gdb_test "tstatus" "Collected $expected trace frames.*" | |
108 | } | |
109 | ||
110 | with_test_prefix "enable #2" { | |
111 | gdb_test_no_output "enable 3" | |
112 | gdb_continue "break_here" | |
113 | incr expected 2 | |
114 | gdb_test "tstatus" "Collected $expected trace frames.*" | |
115 | } | |
116 | ||
117 | # Test that enabling an already enabled tracepoint works | |
118 | with_test_prefix "enable #3" { | |
119 | gdb_test_no_output "enable 3" | |
120 | gdb_continue "break_here" | |
121 | incr expected 2 | |
122 | gdb_test "tstatus" "Collected $expected trace frames.*" | |
123 | } | |
124 | } | |
125 | } | |
126 | ||
127 | test_tracepoint_enable_disable trace | |
128 | test_tracepoint_enable_disable ftrace |