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vmm: Log debug ioport timestamps

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We timestamp the VM creation time, and log the elapsed time between that
instant and the debug ioport events.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Samuel Ortiz 2019-08-14 15:25:32 +02:00
parent 48a9300667
commit c52e276a5c
1 changed files with 14 additions and 1 deletions
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15
vmm/src/vm.rs
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@ -396,6 +396,7 @@ pub struct Vcpu {
io_bus: devices::Bus,
mmio_bus: devices::Bus,
ioapic: Option<Arc<Mutex<ioapic::Ioapic>>>,
vm_ts: std::time::Instant,
}
impl Vcpu {
@ -420,6 +421,7 @@ impl Vcpu {
io_bus,
mmio_bus,
ioapic,
vm_ts: vm.creation_ts,
})
}
@ -503,7 +505,15 @@ impl Vcpu {
// Log debug io port codes.
fn log_debug_ioport(&self, code: u8) {
debug!("{} (code 0x{:x})", DebugIoPortRange::from_u8(code), code);
let ts = self.vm_ts.elapsed();
debug!(
"[{} code 0x{:x}] {}.{:>06} seconds",
DebugIoPortRange::from_u8(code),
code,
ts.as_secs(),
ts.as_micros()
);
}
}
@ -1314,6 +1324,7 @@ pub struct Vm<'a> {
config: VmConfig<'a>,
epoll: EpollContext,
on_tty: bool,
creation_ts: std::time::Instant,
}
impl<'a> Vm<'a> {
@ -1321,6 +1332,7 @@ impl<'a> Vm<'a> {
let kernel = File::open(&config.kernel.path).map_err(Error::KernelFile)?;
let fd = kvm.create_vm().map_err(Error::VmCreate)?;
let fd = Arc::new(fd);
let creation_ts = std::time::Instant::now();
// Init guest memory
let arch_mem_regions = arch::arch_memory_regions(config.memory.size);
@ -1513,6 +1525,7 @@ impl<'a> Vm<'a> {
config,
epoll,
on_tty,
creation_ts,
})
}