3abc545e66
A straight forward conversion, only the usual changes were required here (i.e. adjustment for asset downloading, machine selection). Message-ID: <20241023051754.813412-1-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
116 lines
3.7 KiB
Python
Executable File
116 lines
3.7 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# TCG Plugins tests
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#
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# These are a little more involved than the basic tests run by check-tcg.
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#
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# Copyright (c) 2021 Linaro
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#
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# Author:
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# Alex Bennée <alex.bennee@linaro.org>
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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import tempfile
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import mmap
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import re
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from qemu_test import LinuxKernelTest, Asset
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class PluginKernelBase(LinuxKernelTest):
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"""
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Boots a Linux kernel with a TCG plugin enabled.
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"""
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timeout = 120
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KERNEL_COMMON_COMMAND_LINE = 'printk.time=1 panic=-1 '
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def run_vm(self, kernel_path, kernel_command_line,
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plugin, plugin_log, console_pattern, args=None):
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vm = self.get_vm()
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vm.set_console()
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vm.add_args('-kernel', kernel_path,
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'-append', kernel_command_line,
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'-plugin', plugin,
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'-d', 'plugin',
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'-D', plugin_log,
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'-net', 'none',
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'-no-reboot')
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if args:
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vm.add_args(*args)
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try:
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vm.launch()
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except:
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# TODO: probably fails because plugins not enabled but we
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# can't currently probe for the feature.
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self.cancel("TCG Plugins not enabled?")
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self.wait_for_console_pattern(console_pattern, vm)
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# ensure logs are flushed
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vm.shutdown()
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class PluginKernelNormal(PluginKernelBase):
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ASSET_KERNEL = Asset(
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('https://storage.tuxboot.com/20230331/arm64/Image'),
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'ce95a7101a5fecebe0fe630deee6bd97b32ba41bc8754090e9ad8961ea8674c7')
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def test_aarch64_virt_insn(self):
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self.set_machine('virt')
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self.cpu='cortex-a53'
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kernel_path = self.ASSET_KERNEL.fetch()
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kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
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'console=ttyAMA0')
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console_pattern = 'Kernel panic - not syncing: VFS:'
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plugin_log = tempfile.NamedTemporaryFile(mode="r+t", prefix="plugin",
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suffix=".log")
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self.run_vm(kernel_path, kernel_command_line,
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"tests/tcg/plugins/libinsn.so", plugin_log.name,
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console_pattern)
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with plugin_log as lf, \
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mmap.mmap(lf.fileno(), 0, access=mmap.ACCESS_READ) as s:
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m = re.search(br"insns: (?P<count>\d+)", s)
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if "count" not in m.groupdict():
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self.fail("Failed to find instruction count")
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else:
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count = int(m.group("count"))
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self.log.info(f"Counted: {count} instructions")
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def test_aarch64_virt_insn_icount(self):
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self.set_machine('virt')
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self.cpu='cortex-a53'
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kernel_path = self.ASSET_KERNEL.fetch()
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kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
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'console=ttyAMA0')
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console_pattern = 'Kernel panic - not syncing: VFS:'
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plugin_log = tempfile.NamedTemporaryFile(mode="r+t", prefix="plugin",
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suffix=".log")
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self.run_vm(kernel_path, kernel_command_line,
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"tests/tcg/plugins/libinsn.so", plugin_log.name,
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console_pattern,
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args=('-icount', 'shift=1'))
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with plugin_log as lf, \
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mmap.mmap(lf.fileno(), 0, access=mmap.ACCESS_READ) as s:
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m = re.search(br"insns: (?P<count>\d+)", s)
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if "count" not in m.groupdict():
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self.fail("Failed to find instruction count")
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else:
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count = int(m.group("count"))
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self.log.info(f"Counted: {count} instructions")
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if __name__ == '__main__':
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LinuxKernelTest.main()
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