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# Copyright (C) 2013-2017 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} {
return [uplevel 2 $body]
}
# Run the startup code. Return zero if startup is successful,
# otherwise return non-zero.
proc startup {body} {
return [uplevel 2 $body]
}
# Start up GDB.
proc startup_gdb {body} {
uplevel 2 $body
}
# Run the performance test. Return zero if the run is successful,
# otherwise return non-zero.
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
}
set result [uplevel 2 $body]
set timeout $oldtimeout
return $result
}
# The top-level interface to PerfTest.
# COMPILE is the tcl code to generate and compile source files.
# STARTUP is the tcl code to start up GDB.
# RUN is the tcl code to drive GDB to do some operations.
# Each of COMPILE, STARTUP, and RUN return zero if successful, and
# non-zero if there's a failure.
proc assemble {compile startup run} {
global GDB_PERFTEST_MODE
if ![info exists GDB_PERFTEST_MODE] {
return
}
if { [string compare $GDB_PERFTEST_MODE "run"] != 0 } {
if { [eval compile {$compile}] } {
untested "failed to compile"
return
}
}
# Don't execute the run if GDB_PERFTEST_MODE=compile.
if { [string compare $GDB_PERFTEST_MODE "compile"] == 0} {
return
}
verbose -log "PerfTest::assemble, startup ..."
if [eval startup {$startup}] {
fail "startup"
return
}
verbose -log "PerfTest::assemble, done startup"
_setup_perftest
verbose -log "PerfTest::assemble, run ..."
if [eval run {$run}] {
fail "run"
}
verbose -log "PerfTest::assemble, run complete."
_teardown_perftest
}
}
# Return true if performance tests are skipped.
proc skip_perf_tests { } {
global GDB_PERFTEST_MODE
if [info exists GDB_PERFTEST_MODE] {
if { "$GDB_PERFTEST_MODE" != "compile"
&& "$GDB_PERFTEST_MODE" != "run"
&& "$GDB_PERFTEST_MODE" != "both" } {
error "Unknown value of GDB_PERFTEST_MODE."
return 1
}
return 0
}
return 1
}
# Given a list of tcl strings, return the same list as the text form of a
# python list.
proc tcl_string_list_to_python_list { l } {
proc quote { text } {
return "\"$text\""
}
set quoted_list ""
foreach elm $l {
lappend quoted_list [quote $elm]
}
return "([join $quoted_list {, }])"
}
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