From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 73249 invoked by alias); 30 Mar 2016 15:17:19 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 73137 invoked by uid 89); 30 Mar 2016 15:17:18 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-0.9 required=5.0 tests=BAYES_00,KAM_LAZY_DOMAIN_SECURITY autolearn=no version=3.3.2 spammy=2*, H*F:D*ericsson.com, 2015-2016, 20152016 X-HELO: usplmg21.ericsson.net Received: from usplmg21.ericsson.net (HELO usplmg21.ericsson.net) (198.24.6.65) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-SHA encrypted) ESMTPS; Wed, 30 Mar 2016 15:17:08 +0000 Received: from EUSAAHC008.ericsson.se (Unknown_Domain [147.117.188.96]) by usplmg21.ericsson.net (Symantec Mail Security) with SMTP id 02.97.22441.ECDEBF65; Wed, 30 Mar 2016 17:16:30 +0200 (CEST) Received: from elxcz23q12-y4.dyn.mo.ca.am.ericsson.se (147.117.188.8) by smtps-am.internal.ericsson.com (147.117.188.96) with Microsoft SMTP Server (TLS) id 14.3.248.2; Wed, 30 Mar 2016 11:17:05 -0400 From: Simon Marchi To: CC: Simon Marchi Subject: [PATCH 2/2] Add test for fast tracepoint enable/disable Date: Wed, 30 Mar 2016 15:17:00 -0000 Message-ID: <1459351018-23718-2-git-send-email-simon.marchi@ericsson.com> In-Reply-To: <1459351018-23718-1-git-send-email-simon.marchi@ericsson.com> References: <1459351018-23718-1-git-send-email-simon.marchi@ericsson.com> MIME-Version: 1.0 Content-Type: text/plain X-IsSubscribed: yes X-SW-Source: 2016-03/txt/msg00571.txt.bz2 This patch adds a test for fast tracepoints enabling/disabling, which didn't work properly on big endian systems. gdb/testsuite/ChangeLog: * gdb.trace/ftrace-enable-disable.exp: New file. * gdb.trace/ftrace-enable-disable.c: New file. --- gdb/testsuite/gdb.trace/ftrace-enable-disable.c | 38 +++++++ gdb/testsuite/gdb.trace/ftrace-enable-disable.exp | 126 ++++++++++++++++++++++ 2 files changed, 164 insertions(+) create mode 100644 gdb/testsuite/gdb.trace/ftrace-enable-disable.c create mode 100644 gdb/testsuite/gdb.trace/ftrace-enable-disable.exp diff --git a/gdb/testsuite/gdb.trace/ftrace-enable-disable.c b/gdb/testsuite/gdb.trace/ftrace-enable-disable.c new file mode 100644 index 0000000..23453db --- /dev/null +++ b/gdb/testsuite/gdb.trace/ftrace-enable-disable.c @@ -0,0 +1,38 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2016 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 . */ + +#include "trace-common.h" + +static void +break_here (void) +{ +} + +int +main (void) +{ + int i; + + for (i = 0; i < 100; i++) + { + FAST_TRACEPOINT_LABEL(point_a); + FAST_TRACEPOINT_LABEL(point_b); + break_here (); + } + + return 0; +} diff --git a/gdb/testsuite/gdb.trace/ftrace-enable-disable.exp b/gdb/testsuite/gdb.trace/ftrace-enable-disable.exp new file mode 100644 index 0000000..883b5b9 --- /dev/null +++ b/gdb/testsuite/gdb.trace/ftrace-enable-disable.exp @@ -0,0 +1,126 @@ +# Copyright 2015-2016 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 . + +load_lib "trace-support.exp" + +standard_testfile +set executable $testfile +set expfile $testfile.exp + +# Some targets have leading underscores on assembly symbols. +set options [list debug [gdb_target_symbol_prefix_flags]] + +# Check that the target supports trace. +if { [gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } { + untested "Couldn't compile test program" + return -1 +} + +clean_restart ${testfile} + +if ![runto_main] { + fail "Can't run to main to check for trace support" + 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_shlibs $libipa + +lappend options shlib=$libipa + +if { [gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } { + untested "Couldn't compile test program with in-process agent library" + return -1 +} + +# This test makes sure that disabling and enabling fast tracepoints works +# correctly. + +proc test_ftrace_enable_disable { } { + with_test_prefix "test_ftrace_enable_disable" { + global executable binfile decimal + clean_restart ${executable} + + set expected 0 + + if ![runto_main] { + fail "Can't run to main." + return -1 + } + + gdb_test "ftrace point_a" "Fast tracepoint 2.*" + gdb_test "ftrace point_b" "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_ftrace_enable_disable -- 2.8.0