Re: [PATCH v2] kunit: tool: Default --jobs to number of CPUs

[Brendan Higgins]

On Sat, Dec 11, 2021 at 10:32 PM David Gow <davidgow@xxxxxxxxxx> wrote:
>
> The --jobs parameter for kunit_tool currently defaults to 8 CPUs,
> regardless of the number available. For systems with significantly more
> (or less), this is not as efficient. Instead, default --jobs to the
> number of CPUs available to the process: while there are as many
> superstitions as to exactly what the ideal jobs:CPU ratio is, this seems
> sufficiently sensible to me.
>
> A new helper function to get the default number of jobs is added:
> get_default_jobs() -- this is used in kunit_tool_test instead of a
> hardcoded value, or an explicit call to len(os.sched_getaffinity()), so
> should be more flexible if this needs to change in the future.
>
> Signed-off-by: David Gow <davidgow@xxxxxxxxxx>

Reviewed-by: Brendan Higgins <brendanhiggins@xxxxxxxxxx>