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#!/usr/bin/env perl
if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
# DESCRIPTION: Verilator: Verilog Test driver/expect definition
#
# Copyright 2003 by Wilson Snyder. This program is free software; you
# can redistribute it and/or modify it under the terms of either the GNU
# Lesser General Public License Version 3 or the Perl Artistic License
# Version 2.0.
# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
# Test for bin/verilator_gantt,
scenarios(vlt_all => 1);
# It doesn't really matter what test
# we use, so long as it runs several cycles,
# enough for the profiling to happen:
top_filename("t/t_gen_alw.v");
my $threads_num = $Self->{vltmt} ? 2 : 1;
compile(
make_top_shell => 0,
make_main => 0,
v_flags2 => ["--prof-exec --exe $Self->{t_dir}/$Self->{name}.cpp"],
# Checks below care about thread count, so use 2 (minimum reasonable)
threads => $threads_num,
make_flags => "CPPFLAGS_ADD=\"-DVL_NO_LEGACY -DTEST_USE_THREADS=$threads_num\"",
);
execute(
all_run_flags => ["+verilator+prof+exec+start+4",
" +verilator+prof+exec+window+4",
" +verilator+prof+exec+file+$Self->{obj_dir}/profile_exec.dat",
" +verilator+prof+vlt+file+$Self->{obj_dir}/profile.vlt",
],
check_finished => 1,
);
# For now, verilator_gantt still reads from STDIN
# (probably it should take a file, gantt.dat like verilator_profcfunc)
# The profiling data still goes direct to the runtime's STDOUT
# (maybe that should go to a separate file - gantt.dat?)
run(cmd => ["$ENV{VERILATOR_ROOT}/bin/verilator_gantt",
"$Self->{obj_dir}/profile_exec.dat",
"--vcd $Self->{obj_dir}/profile_exec.vcd",
"| tee $Self->{obj_dir}/gantt.log"],
);
if ($Self->{vltmt}) {
file_grep("$Self->{obj_dir}/gantt.log", qr/Total threads += 2/i);
file_grep("$Self->{obj_dir}/gantt.log", qr/Total mtasks += 7/i);
} else {
file_grep("$Self->{obj_dir}/gantt.log", qr/Total threads += 1/i);
file_grep("$Self->{obj_dir}/gantt.log", qr/Total mtasks += 0/i);
}
file_grep("$Self->{obj_dir}/gantt.log", qr/Total evals += 4/i);
# Diff to itself, just to check parsing
vcd_identical("$Self->{obj_dir}/profile_exec.vcd", "$Self->{obj_dir}/profile_exec.vcd");
ok(1);
1;
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