This is the mail archive of the
gdb-patches@sourceware.org
mailing list for the GDB project.
[PATCH 1/3] Test on disassemble
- From: Yao Qi <yao at codesourcery dot com>
- To: <gdb-patches at sourceware dot org>
- Date: Wed, 20 Nov 2013 10:50:58 +0800
- Subject: [PATCH 1/3] Test on disassemble
- Authentication-results: sourceware.org; auth=none
- References: <1384915860-8805-1-git-send-email-yao at codesourcery dot com>
This patch adds a test case to test the performance of GDB doing
disassembly.
gdb/testsuite/
* gdb.perf/disassemble.exp: New.
* gdb.perf/disassemble.py: New.
---
gdb/testsuite/gdb.perf/disassemble.exp | 56 ++++++++++++++++++++++++++++++++
gdb/testsuite/gdb.perf/disassemble.py | 36 ++++++++++++++++++++
2 files changed, 92 insertions(+), 0 deletions(-)
create mode 100644 gdb/testsuite/gdb.perf/disassemble.exp
create mode 100644 gdb/testsuite/gdb.perf/disassemble.py
diff --git a/gdb/testsuite/gdb.perf/disassemble.exp b/gdb/testsuite/gdb.perf/disassemble.exp
new file mode 100644
index 0000000..6a2b2fd
--- /dev/null
+++ b/gdb/testsuite/gdb.perf/disassemble.exp
@@ -0,0 +1,56 @@
+# Copyright (C) 2013 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/>.
+
+# This test case is to test the speed of GDB when it is doing disassemble
+# some large functions in GDB.
+load_lib perftest.exp
+
+if [skip_perf_tests] {
+ return 0
+}
+
+global GDB
+
+standard_testfile .c
+# Overwrite $binfile
+set binfile $GDB
+
+PerfTest::assemble {
+ # Don't have compilation step.
+ return 0
+} {
+ global srcdir subdir
+ global binfile
+
+ gdb_exit
+ gdb_start
+ # When GDB is debugging GDB, the prompt is changed to "(top-gdb) ".
+ # In order to avoid the confusion of pattern matching, set the
+ # gdb_prompt to '(top-gdb)'.
+
+ global gdb_prompt
+ set gdb_prompt "\[(\]top-gdb\[)\]"
+
+ gdb_test_no_output "set prompt \(top-gdb\) " ""
+
+ gdb_reinitialize_dir $srcdir/$subdir
+ gdb_load ${binfile}
+
+ if ![runto_main] {
+ return -1
+ }
+} {
+ gdb_test "python Disassemble\(\).run()"
+}
diff --git a/gdb/testsuite/gdb.perf/disassemble.py b/gdb/testsuite/gdb.perf/disassemble.py
new file mode 100644
index 0000000..b8e7dfc
--- /dev/null
+++ b/gdb/testsuite/gdb.perf/disassemble.py
@@ -0,0 +1,36 @@
+# Copyright (C) 2013 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/>.
+
+from perftest import perftest
+from perftest import measure
+
+class Disassemble(perftest.TestCaseWithBasicMeasurements):
+ def __init__(self):
+ super (Disassemble, self).__init__ ("disassemble")
+
+ def warm_up(self):
+ do_test_command = "disassemble ada_evaluate_subexp"
+ gdb.execute (do_test_command, False, True)
+
+ def _do_test(self, c):
+ for func in ["evaluate_subexp_standard", "handle_inferior_event", "c_parse_internal"]:
+ for i in range(c+1):
+ do_test_command = "disassemble %s" % func
+ gdb.execute (do_test_command, False, True)
+
+ def execute_test(self):
+ for i in range(3):
+ self.measure.measure(lambda: self._do_test(i), i)
+
--
1.7.7.6