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vmm: Give vCPU and signal handler thread useful names

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Sadly only the first few characters of the thread name is preserved so
use a shorter name for the vCPU thread for now. Also give the signal
handling thread a name.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2019-08-30 18:24:01 +01:00 committed by Samuel Ortiz
parent 7205700c5f
commit ad128bf72d
1 changed files with 10 additions and 2 deletions
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12
vmm/src/vm.rs
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@ -222,6 +222,9 @@ pub enum Error {
/// Failed to allocate the IOAPIC memory range.
IoapicRangeAllocation,
/// Cannot spawn a signal handler thread
SignalHandlerSpawn(io::Error),
}
pub type Result<T> = result::Result<T, Error>;
@ -1827,7 +1830,7 @@ impl<'a> Vm<'a> {
let reset_evt = self.devices.reset_evt.try_clone().unwrap();
self.vcpus.push(
thread::Builder::new()
.name(format!("cloud-hypervisor_vcpu{}", vcpu.id))
.name(format!("vcpu{}", vcpu.id))
.spawn(move || {
unsafe {
extern "C" fn handle_signal(_: i32, _: *mut siginfo_t, _: *mut c_void) {
@ -1850,6 +1853,7 @@ impl<'a> Vm<'a> {
match vcpu.run() {
Err(e) => {
error!("VCPU generated error: {:?}", e);
break;
}
Ok(true) => {}
Ok(false) => {
@ -1871,7 +1875,11 @@ impl<'a> Vm<'a> {
let signals = Signals::new(&[SIGWINCH]);
match signals {
Ok(sig) => {
thread::spawn(move || Vm::os_signal_handler(sig, console_input_clone));
thread::Builder::new()
.name("signal_handler".to_string())
.spawn(move || Vm::os_signal_handler(sig, console_input_clone))
.map_err(Error::SignalHandlerSpawn)?;
;
}
Err(e) => error!("Signal not found {}", e),
}