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How to use _check_crashkernel_memory_reserved method in lisa

Best Python code snippet using lisa_python

kdump.py

Source:kdump.py

...311            raise LisaException(312                f"crashkernel={crashkernel_memory} boot parameter is not present in"313                "kernel cmdline"314            )315    def _check_crashkernel_memory_reserved(self) -> None:316        cat = self.node.tools[Cat]317        result = cat.run(self.iomem, force_run=True)318        if "Crash kernel" not in result.stdout:319            raise LisaException(320                f"No find 'Crash kernel' in {self.iomem}. Memory isn't reserved for"321                "crash kernel"322            )323    def check_crashkernel_loaded(self, crashkernel_memory: str) -> None:324        # Check crashkernel parameter in cmdline325        self._check_crashkernel_in_cmdline(crashkernel_memory)326        # Check crash kernel loaded327        if not self.node.shell.exists(PurePosixPath(self.kexec_crash)):328            raise LisaException(329                f"{self.kexec_crash} file doesn't exist. Kexec crash is not loaded."330            )331        self._check_kexec_crash_loaded()332        # Check if memory is reserved for crash kernel333        self._check_crashkernel_memory_reserved()334class KdumpRedhat(KdumpBase):335    @property336    def command(self) -> str:337        return "kdumpctl"338    def _install(self) -> bool:339        assert isinstance(self.node.os, Redhat)340        self.node.os.install_packages("kexec-tools")341        return self._check_exists()342    def _get_crashkernel_cfg_file(self) -> str:343        if self.node.os.information.version >= "8.0.0-0" and not isinstance(344            self.node.os, Oracle345        ):346            # For Redhat 8 and later version, we can use grubby command to config347            # crashkernel. No need to get the crashkernel cfg file...

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