Method coredump

vmm/src/vm.rs:3572–3626

(&mut self, destination_url: &str)

#[cfg(all(target_arch = "x86_64", feature = "guest_debug"))]
impl GuestDebuggable for Vm {
    fn coredump(&mut self, destination_url: &str) -> std::result::Result<(), GuestDebuggableError> {
        event!("vm", "coredumping");

        let mut resume = false;

        #[cfg(feature = "tdx")]
        {
            if let Some(ref platform) = self.config.lock().unwrap().platform
                && platform.tdx
            {
                return Err(GuestDebuggableError::Coredump(anyhow!(
                    "Coredump not possible with TDX VM"
                )));
            }
        }

        match self.get_state() {
            VmState::Running => {
                self.pause().map_err(GuestDebuggableError::Pause)?;
                resume = true;
            }
            VmState::Paused => {}
            _ => {
                return Err(GuestDebuggableError::Coredump(anyhow!(
                    "Trying to coredump while VM is not running or paused"
                )));
            }
        }

        let coredump_state = self.get_dump_state(destination_url)?;

        self.write_header(&coredump_state)?;
        self.write_note(&coredump_state)?;
        self.write_loads(&coredump_state)?;

        self.cpu_manager
            .lock()
            .unwrap()
            .cpu_write_elf64_note(&coredump_state)?;
        self.cpu_manager
            .lock()
            .unwrap()
            .cpu_write_vmm_note(&coredump_state)?;

        self.memory_manager
            .lock()
            .unwrap()
            .coredump_iterate_save_mem(&coredump_state)?;

        if resume {
            self.resume().map_err(GuestDebuggableError::Resume)?;
        }

        Ok(())
    }
}

#[cfg(all(feature = "kvm", target_arch = "x86_64"))]