torture: Parallelize kvm-series.sh guest-OS execution

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Currently, kvm-series.sh builds and runs serially, which makes for
long execution times.  This commit changes its logic to build all of
the needed kernels serially, but then run the corresponding guest OSes
concurrently in batches using the entire machine.  On large systems,
this results in order-of-magnitude speedups of the guest-OS execution
portion of the runtime.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>

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Paul E. McKenney 2025-12-29 11:13:54 -08:00 • committed by Boqun Feng

parent e8a534a671

commit 3ce40539cc

1 changed files with 153 additions and 21 deletions

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tools/testing/selftests/rcutorture/bin/kvm-series.sh

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