binutils-gdb/gdb/testsuite/lib/perftest.exp

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# Copyright (C) 2013-2014 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/>.
namespace eval PerfTest {
# The name of python file on build.
variable remote_python_file
# A private method to set up GDB for performance testing.
proc _setup_perftest {} {
variable remote_python_file
global srcdir subdir testfile
set remote_python_file [gdb_remote_download host ${srcdir}/${subdir}/${testfile}.py]
# Set sys.path for module perftest.
gdb_test_no_output "python import os, sys"
gdb_test_no_output "python sys.path.insert\(0, os.path.abspath\(\"${srcdir}/${subdir}/lib\"\)\)"
gdb_test_no_output "python exec (open ('${remote_python_file}').read ())"
}
# A private method to do some cleanups when performance test is
# finished.
proc _teardown_perftest {} {
variable remote_python_file
remote_file host delete $remote_python_file
}
# Compile source files of test case. BODY is the tcl code to do
# actual compilation. Return zero if compilation is successful,
# otherwise return non-zero.
proc compile {body} {
global GDB_PERFTEST_MODE
if { [info exists GDB_PERFTEST_MODE]
&& [string compare $GDB_PERFTEST_MODE "run"] } {
return [uplevel 2 $body]
}
return 0
}
# Start up GDB.
proc startup_gdb {body} {
uplevel 2 $body
}
# Run the performance test.
proc run {body} {
global timeout
global GDB_PERFTEST_TIMEOUT
set oldtimeout $timeout
if { [info exists GDB_PERFTEST_TIMEOUT] } {
set timeout $GDB_PERFTEST_TIMEOUT
} else {
set timeout 3000
}
uplevel 2 $body
set timeout $oldtimeout
}
# The top-level interface to PerfTest.
# COMPILE is the tcl code to generate and compile source files.
# Return zero if compilation is successful, otherwise return
# non-zero.
# STARTUP is the tcl code to start up GDB.
# RUN is the tcl code to drive GDB to do some operations.
proc assemble {compile startup run} {
global GDB_PERFTEST_MODE
if { [eval compile {$compile}] } {
untested "Could not compile source files."
return
}
# Don't execute the run if GDB_PERFTEST_MODE=compile.
if { [info exists GDB_PERFTEST_MODE]
&& [string compare $GDB_PERFTEST_MODE "compile"] == 0} {
return
}
eval $startup
_setup_perftest
eval run {$run}
_teardown_perftest
}
}
# Return true if performance tests are skipped.
proc skip_perf_tests { } {
global GDB_PERFTEST_MODE
if [info exists GDB_PERFTEST_MODE] {
if { "$GDB_PERFTEST_MODE" != "compile"
&& "$GDB_PERFTEST_MODE" != "run"
&& "$GDB_PERFTEST_MODE" != "both" } {
# GDB_PERFTEST_MODE=compile|run|both is allowed.
error "Unknown value of GDB_PERFTEST_MODE."
return 1
}
return 0
}
return 1
}