On 4/15/2025 9:36 AM, Joel Fernandes wrote:
> On ARM64, when running with --configs '36*SRCU-P', I noticed that only 1
> instance
> instead of 36 for starting.
>
> Fix it by checking for Image files, instead of bzImage which ARM does
> not seem to have. With this I see all 36 instances running at the same
> time in the batch.
>
> Tested-by: Paul E. McKenney <[email protected]>
> Signed-off-by: Joel Fernandes <[email protected]>
> ---
> kernel/rcu/rcutorture.c | 3 ++-
> tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh | 2 +-
> 2 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
> index 74de92c3a9ab..df6504a855aa 100644
> --- a/kernel/rcu/rcutorture.c
> +++ b/kernel/rcu/rcutorture.c
> @@ -2412,7 +2412,8 @@ rcu_torture_stats_print(void)
> pipesummary[i] += READ_ONCE(per_cpu(rcu_torture_count,
> cpu)[i]);
> batchsummary[i] += READ_ONCE(per_cpu(rcu_torture_batch,
> cpu)[i]);
> }
> - n_gpwraps += cur_ops->get_gpwrap_count(cpu);
> + if (cur_ops->get_gpwrap_count)
> + n_gpwraps += cur_ops->get_gpwrap_count(cpu);
> }
Oops, this hunk was supposed to go into the previous patch. I fixed it in my
tree and will post with the full set of torture patches later:
https://git.kernel.org/pub/scm/linux/kernel/git/jfern/linux.git/log/?h=rcu/torture-for-6.16
Thanks.
