[DTrace-devel] [PATCH] test: Add trigger for more predictable run time

Kris Van Hees kris.van.hees at oracle.com
Wed Sep 17 02:48:52 UTC 2025


On Tue, Sep 16, 2025 at 06:55:06PM -0400, eugene.loh at oracle.com wrote:
> From: Eugene Loh <eugene.loh at oracle.com>
> 
> The test had no trigger and so waited haphazardly for the write:entry
> probe to fire.  This typically worked, but led to variable run times
> and even, though rarely, a test timeout and failure.
> 
> Add a trigger for more reproducible and typically shorter run times.
> 
> Signed-off-by: Eugene Loh <eugene.loh at oracle.com>

Reviewed-by: Kris Van Hees <kris.van.hees at oracle.com>

> ---
>  test/unittest/error/tst.argv-corruption-by-error.d | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/test/unittest/error/tst.argv-corruption-by-error.d b/test/unittest/error/tst.argv-corruption-by-error.d
> index 6fd1834e1..1fdd89858 100644
> --- a/test/unittest/error/tst.argv-corruption-by-error.d
> +++ b/test/unittest/error/tst.argv-corruption-by-error.d
> @@ -1,6 +1,6 @@
>  /*
>   * Oracle Linux DTrace.
> - * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
> + * Copyright (c) 2024, 2025, Oracle and/or its affiliates. All rights reserved.
>   * Licensed under the Universal Permissive License v 1.0 as shown at
>   * http://oss.oracle.com/licenses/upl.
>   */
> @@ -13,6 +13,7 @@
>   *
>   * SECTION: dtrace Provider
>   */
> +/* @@trigger: periodic_output */
>  
>  #pragma D option quiet
>  
> -- 
> 2.47.3
> 



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