solo

List connected Solos

$ solo ls

$ solo key update

$ solo key wink --serial [serial_number]

$ solo key rng raw

$ solo monitor [path/to/serial_port]

solo command [arguments...]

command
    The command or program to be executed.

[arguments...]
    Any arguments to be passed to the command.

The `solo` command, also sometimes known as `taskset` used with a specific CPU affinity, allows you to run a given command or program on a single CPU core. This is useful for debugging, performance testing, or isolating specific processes to prevent them from impacting the performance of other tasks.

By binding a process to a single core, you can reduce cache thrashing (where data is constantly being loaded and unloaded from the CPU cache) and context switching overhead (the time the CPU spends switching between different processes). While this might not always result in a significant performance improvement, it can be helpful in specific scenarios, particularly where precise resource control is needed or performance analysis needs to take place without other processes impacting results.

`solo` typically works by leveraging the `taskset` utility, setting the CPU affinity to a specific core. CPU affinity refers to the CPU or CPUs on which a process is allowed to run.

The `solo` command typically achieves its functionality using the `taskset` command. It determines an available CPU core and then executes `taskset -c command [arguments...]`. The specific implementation details might vary slightly depending on the distribution or version of the operating system.

taskset(1), cpuset(7), nice(1)