feat(xtask): kill servers externally

[mkroening]

This PR aims to fix the spurious

Error: Resource temporarily unavailable (os error 11)

in

cargo xtask ci rs --arch x86_64 --profile release --package mioudp --features hermit/udp,hermit/dhcpv4,hermit/virtio-net qemu --accel --sudo --devices virtio-net-pci

by avoiding early server shutdowns before the message is actually transmitted.

[github-actions]

Benchmark Results

Benchmark	Current: 37f026f	Previous: 72feee1	Performance Ratio
startup_benchmark Build Time	113.50 s	111.53 s	1.02
startup_benchmark File Size	0.91 MB	0.91 MB	1.00
Startup Time - 1 core	0.90 s (±0.04 s)	0.91 s (±0.02 s)	0.98
Startup Time - 2 cores	0.89 s (±0.03 s)	0.92 s (±0.03 s)	0.97
Startup Time - 4 cores	0.91 s (±0.03 s)	0.93 s (±0.02 s)	0.98
multithreaded_benchmark Build Time	113.15 s	113.03 s	1.00
multithreaded_benchmark File Size	1.01 MB	1.01 MB	1.00
Multithreaded Pi Efficiency - 2 Threads	3.45 % (±16.55 %)	3.76 % (±18.05 %)	0.92
Multithreaded Pi Efficiency - 4 Threads	1.68 % (±8.05 %)	1.60 % (±7.68 %)	1.05
Multithreaded Pi Efficiency - 8 Threads	0.97 % (±4.66 %)	1.01 % (±4.83 %)	0.97
micro_benchmarks Build Time	112.67 s	112.62 s	1.00
micro_benchmarks File Size	1.01 MB	1.01 MB	1.00
Scheduling time - 1 thread	2.71 ticks (±13.02 ticks)	2.79 ticks (±13.40 ticks)	0.97
Scheduling time - 2 threads	1.68 ticks (±8.05 ticks)	1.98 ticks (±9.48 ticks)	0.85
Micro - Time for syscall (getpid)	0.17 ticks (±0.81 ticks)	0.15 ticks (±0.73 ticks)	1.10
Memcpy speed - (built_in) block size 4096	1502.40 MByte/s (±7211.54 MByte/s)	1516.99 MByte/s (±7281.55 MByte/s)	0.99
Memcpy speed - (built_in) block size 1048576	744.62 MByte/s (±3574.15 MByte/s)	721.98 MByte/s (±3465.52 MByte/s)	1.03
Memcpy speed - (built_in) block size 16777216	225.45 MByte/s (±1082.15 MByte/s)	221.28 MByte/s (±1062.12 MByte/s)	1.02
Memset speed - (built_in) block size 4096	1538.46 MByte/s (±7384.62 MByte/s)	1621.62 MByte/s (±7783.78 MByte/s)	0.95
Memset speed - (built_in) block size 1048576	1004.19 MByte/s (±4820.12 MByte/s)	990.56 MByte/s (±4754.71 MByte/s)	1.01
Memset speed - (built_in) block size 16777216	967.75 MByte/s (±4645.20 MByte/s)	967.95 MByte/s (±4646.14 MByte/s)	1.00
Memcpy speed - (rust) block size 4096	967.74 MByte/s (±4645.16 MByte/s)	1212.12 MByte/s (±5818.18 MByte/s)	0.80
Memcpy speed - (rust) block size 1048576	751.33 MByte/s (±3606.38 MByte/s)	756.76 MByte/s (±3632.44 MByte/s)	0.99
Memcpy speed - (rust) block size 16777216	225.09 MByte/s (±1080.45 MByte/s)	223.83 MByte/s (±1074.36 MByte/s)	1.01
Memset speed - (rust) block size 4096	1428.57 MByte/s (±6857.14 MByte/s)	1818.18 MByte/s (±8727.27 MByte/s)	0.79
Memset speed - (rust) block size 1048576	1014.84 MByte/s (±4871.24 MByte/s)	995.62 MByte/s (±4778.97 MByte/s)	1.02
Memset speed - (rust) block size 16777216	923.96 MByte/s (±4435.01 MByte/s)	950.07 MByte/s (±4560.34 MByte/s)	0.97
alloc_benchmarks Build Time	103.82 s	105.50 s	0.98
alloc_benchmarks File Size	0.97 MB	0.97 MB	1.00
Allocations - Allocation success	2.00 % (±13.86 %)	2.00 % (±13.86 %)	1
Allocations - Deallocation success	1.41 % (±9.74 %)	1.39 % (±9.65 %)	1.01
Allocations - Pre-fail Allocations	2.00 % (±13.86 %)	2.00 % (±13.86 %)	1
Allocations - Average Allocation time	233.49 Ticks (±1618.02 Ticks)	228.34 Ticks (±1582.32 Ticks)	1.02
Allocations - Average Allocation time (no fail)	233.49 Ticks (±1618.02 Ticks)	228.34 Ticks (±1582.32 Ticks)	1.02
Allocations - Average Deallocation time	14.52 Ticks (±100.61 Ticks)	17.31 Ticks (±119.99 Ticks)	0.84
mutex_benchmark Build Time	103.91 s	102.87 s	1.01
mutex_benchmark File Size	1.02 MB	1.02 MB	1.00
Mutex Stress Test Average Time per Iteration - 1 Threads	0.26 ns (±1.80 ns)	0.24 ns (±1.66 ns)	1.08
Mutex Stress Test Average Time per Iteration - 2 Threads	0.30 ns (±2.08 ns)	0.28 ns (±1.94 ns)	1.07

This comment was automatically generated by workflow using github-action-benchmark.