mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-25 11:11:35 +01:00
3cc1b793cb
Please python stop torturing me with refactors. Make ./run -u blow up if executable not found, otherwise I go crazy. Get ./test-gdb back to life after the ./run relative path refactor, forgot to test this.
93 lines
3.3 KiB
Python
Executable File
93 lines
3.3 KiB
Python
Executable File
#!/usr/bin/env python3
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import common
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import shell_helpers
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from shell_helpers import LF
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class Main(common.TestCliFunction):
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def __init__(self):
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super().__init__(
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description='''\
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Test and benchmark the Linux kernel boot. Use inits that exit immediately.
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'''
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)
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self.add_argument(
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'--size',
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default=1,
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type=int,
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help='''\
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See ./test --help for --size.
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'''
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)
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def _bench(self, **kwargs):
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words = []
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for line in self.run.get_cli(**kwargs):
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words.extend(line)
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extra_params = shell_helpers.ShellHelpers().cmd_to_string(words + [LF])
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run_args = kwargs.copy()
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run_args.update(self.common_args)
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self.run_test(self.run, run_args, extra_params)
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def timed_main(self):
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# TODO bring this benchmark code back to life. Likely should go inside run with an option
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#gem5_insts() (
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# printf "instructions $(./gem5-stat --arch "$1" sim_insts)\n" >> "$self.env['test_boot_benchmark_file']"
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# newline
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#)
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#
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#qemu_insts() (
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# common_arch="$1"
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# ./qemu-trace2txt --arch "$common_arch"
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# common_qemu_trace_txt_file="$("$getvar" --arch "$common_arch" qemu_trace_txt_file)"
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# printf "instructions $(wc -l "${common_qemu_trace_txt_file}" | cut -d' ' -f1)\n" >> "$self.env['test_boot_benchmark_file']"
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# newline
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#)
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#
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#rm -f "${self.env['test_boot_benchmark_file']}"
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self.run = common.import_path_main('run')
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self.common_args = self.get_common_args()
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self.common_args['ctrl_c_host'] = True
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self.common_args['quit_after_boot'] = True
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if (self.env['emulator'] == 'qemu' or
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(self.env['emulator'] == 'gem5' and self.env['size'] >= 2)):
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self._bench()
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if self.env['host_arch'] == self.env['arch']:
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# TODO: find out why it fails.
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if self.env['emulator'] != 'gem5':
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self._bench(kvm=True)
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if self.env['emulator'] == 'qemu' and self.env['size'] >= 2:
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self._bench(trace='exec_tb')
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if self.env['emulator'] == 'gem5' and self.env['size'] >= 3:
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if self.env['arch'] == 'x86_64':
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cpu_types = [
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# TODO segfault
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#'DerivO3CPU'
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]
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elif self.env['is_arm']:
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cpu_types = [
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'DerivO3CPU',
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'HPI',
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]
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for cpu_type in cpu_types:
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self._bench(
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extra_emulator_args=[
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'--cpu-type', cpu_type,
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'--caches',
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'--l2cache',
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'--l1d_size', '1024kB',
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'--l1i_size', '1024kB',
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'--l2_size', '1024kB',
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'--l3_size', '1024kB',
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],
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)
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if self.env['arch'] == 'aarch64':
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# Do a fuller testing for aarch64.
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for build_type in ['debug', 'fast']:
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self._bench(gem5_build_type=build_type)
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# Requires patching the executable.
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# self._bench(gem5_script='biglittle')
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if __name__ == '__main__':
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Main().cli()
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