[DTrace-devel] [PATCH 1/5] test: Use a more ubiquitous probe for return()-action tests

Kris Van Hees kris.van.hees at oracle.com
Fri Oct 3 03:50:42 UTC 2025


On Wed, Oct 01, 2025 at 02:24:14AM -0400, eugene.loh at oracle.com wrote:
> From: Eugene Loh <eugene.loh at oracle.com>
> 
> In commit ee2bd3465
> ("test: Use a more ubiquitous probe for return()-action tests"),
> rawfbt probes are named in some tests, but they do not exist for
> some kernels.  Switch to more ubiquitous probes, since the details
> of the probe largely do not matter.
> 
> Signed-off-by: Eugene Loh <eugene.loh at oracle.com>

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

> ---
>  test/unittest/actions/return/err.not_allowed-1.d   | 2 +-
>  test/unittest/actions/return/err.not_allowed-1.r   | 2 +-
>  test/unittest/actions/return/err.not_allowed-1.r.p | 5 +++++
>  test/unittest/actions/return/err.not_allowed-2.d   | 2 +-
>  test/unittest/actions/return/err.not_allowed-2.r   | 2 +-
>  test/unittest/actions/return/err.not_allowed-3.d   | 2 +-
>  test/unittest/actions/return/err.not_allowed-3.r   | 2 +-
>  7 files changed, 11 insertions(+), 6 deletions(-)
>  create mode 100755 test/unittest/actions/return/err.not_allowed-1.r.p
> 
> diff --git a/test/unittest/actions/return/err.not_allowed-1.d b/test/unittest/actions/return/err.not_allowed-1.d
> index 246a68b18..e32751bf2 100644
> --- a/test/unittest/actions/return/err.not_allowed-1.d
> +++ b/test/unittest/actions/return/err.not_allowed-1.d
> @@ -20,7 +20,7 @@ BEGIN
>  	exit(0);
>  }
>  
> -fbt:btrfs:open_ctree:entry
> +fbt:vmlinux:__*_sys_getpid:entry
>  /ok/
>  {
>  	return(0);
> diff --git a/test/unittest/actions/return/err.not_allowed-1.r b/test/unittest/actions/return/err.not_allowed-1.r
> index e3443c301..becd3d4fa 100644
> --- a/test/unittest/actions/return/err.not_allowed-1.r
> +++ b/test/unittest/actions/return/err.not_allowed-1.r
> @@ -1,2 +1,2 @@
>  -- @@stderr --
> -dtrace: could not enable tracing: return() not allowed for fbt:btrfs:open_ctree:entry
> +dtrace: could not enable tracing: return() not allowed for fbt:vmlinux:__*_sys_getpid:entry
> diff --git a/test/unittest/actions/return/err.not_allowed-1.r.p b/test/unittest/actions/return/err.not_allowed-1.r.p
> new file mode 100755
> index 000000000..d356eb0dd
> --- /dev/null
> +++ b/test/unittest/actions/return/err.not_allowed-1.r.p
> @@ -0,0 +1,5 @@
> +#!/usr/bin/gawk -f
> +{
> +        sub("__.*_sys_getpid", "__*_sys_getpid");
> +        print;
> +}
> diff --git a/test/unittest/actions/return/err.not_allowed-2.d b/test/unittest/actions/return/err.not_allowed-2.d
> index e0d303c71..4c613065f 100644
> --- a/test/unittest/actions/return/err.not_allowed-2.d
> +++ b/test/unittest/actions/return/err.not_allowed-2.d
> @@ -20,7 +20,7 @@ BEGIN
>  	exit(0);
>  }
>  
> -rawfbt:btrfs:close_ctree:entry
> +rawfbt:vmlinux:abort:entry
>  /ok/
>  {
>  	return(0);
> diff --git a/test/unittest/actions/return/err.not_allowed-2.r b/test/unittest/actions/return/err.not_allowed-2.r
> index 758d34770..bd47e2bae 100644
> --- a/test/unittest/actions/return/err.not_allowed-2.r
> +++ b/test/unittest/actions/return/err.not_allowed-2.r
> @@ -1,2 +1,2 @@
>  -- @@stderr --
> -dtrace: could not enable tracing: return() not allowed for rawfbt:btrfs:close_ctree:entry
> +dtrace: could not enable tracing: return() not allowed for rawfbt:vmlinux:abort:entry
> diff --git a/test/unittest/actions/return/err.not_allowed-3.d b/test/unittest/actions/return/err.not_allowed-3.d
> index 770565c93..87891b7ba 100644
> --- a/test/unittest/actions/return/err.not_allowed-3.d
> +++ b/test/unittest/actions/return/err.not_allowed-3.d
> @@ -20,7 +20,7 @@ BEGIN
>  	exit(0);
>  }
>  
> -rawfbt:btrfs:*_ctree:entry
> +rawfbt:vmlinux:abo*rt:entry
>  /ok/
>  {
>  	return(0);
> diff --git a/test/unittest/actions/return/err.not_allowed-3.r b/test/unittest/actions/return/err.not_allowed-3.r
> index 758d34770..bd47e2bae 100644
> --- a/test/unittest/actions/return/err.not_allowed-3.r
> +++ b/test/unittest/actions/return/err.not_allowed-3.r
> @@ -1,2 +1,2 @@
>  -- @@stderr --
> -dtrace: could not enable tracing: return() not allowed for rawfbt:btrfs:close_ctree:entry
> +dtrace: could not enable tracing: return() not allowed for rawfbt:vmlinux:abort:entry
> -- 
> 2.47.3
> 



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