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54 lines
1.8 KiB
Python
Executable File
54 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# DESCRIPTION: Verilator: Verilog Test driver/expect definition
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#
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# Copyright 2024 by Wilson Snyder. This program is free software; you
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# can redistribute it and/or modify it under the terms of either the GNU
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# Lesser General Public License Version 3 or the Perl Artistic License
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# Version 2.0.
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# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
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import vltest_bootstrap
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test.scenarios('vlt_all')
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test.top_filename = "t/t_prof.v"
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# TODO below might no longer be required as configure checks for -pg
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if 'VERILATOR_TEST_NO_GPROF' in os.environ:
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test.skip("Skipping due to VERILATOR_TEST_NO_GPROF")
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if not test.have_coroutines:
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test.skip("No coroutine support")
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test.compile(verilator_flags2=["--stats --prof-cfuncs --binary"])
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for filename in glob.glob(test.obj_dir + "/gmon.out.*"):
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test.unlink_ok(filename)
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test.setenv('GMON_OUT_PREFIX', test.obj_dir + "/gmon.out")
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test.execute()
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gmon_path = None
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for filename in glob.glob(test.obj_dir + "/gmon.out.*"):
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gmon_path = filename
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if not gmon_path:
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test.error("Profiler did not create a gmon.out")
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gmon_base = re.sub(r'.*[/\\]', '', gmon_path)
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test.run(
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cmd=["cd " + test.obj_dir + " && gprof " + test.vm_prefix + " " + gmon_base + " > gprof.log"],
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check_finished=False)
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test.run(cmd=[
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"cd " + test.obj_dir + " && " + os.environ["VERILATOR_ROOT"] +
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"/bin/verilator_profcfunc gprof.log > profcfuncs.log"
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],
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check_finished=False)
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test.file_grep(test.obj_dir + "/profcfuncs.log", r'Overall summary by')
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# Appears that GCC 11.4 has a bug whereby it doesn't trace function calls
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# within coroutines; CLang seems to work correctly.
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# test.file_grep(test.obj_dir + "/profcfuncs.log", r'VLib + VL_POWSS_QQQ')
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test.file_grep(test.obj_dir + "/profcfuncs.log", r'VLib + VL_WRITEF')
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test.file_grep(test.obj_dir + "/profcfuncs.log", r'VBlock + t_prof:')
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test.passes()
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