* [PATCH 1/2] test: Remove orphaned tst.lockstat.r
@ 2025-04-14 20:19 eugene.loh
2025-04-14 20:19 ` [PATCH 2/2] test: Skip pid-0 tests on oversubscribed systems eugene.loh
2025-04-15 15:10 ` [DTrace-devel] [PATCH 1/2] test: Remove orphaned tst.lockstat.r Kris Van Hees
0 siblings, 2 replies; 4+ messages in thread
From: eugene.loh @ 2025-04-14 20:19 UTC (permalink / raw)
To: dtrace, dtrace-devel
From: Eugene Loh <eugene.loh@oracle.com>
In commit ded09d05a ("test: rework main lockstat test"), a lockstat
test was renamed. Its .r results file was thereby orphaned. Remove
the orphaned copy.
Signed-off-by: Eugene Loh <eugene.loh@oracle.com>
---
test/unittest/lockstat/tst.lockstat.r | 13 -------------
1 file changed, 13 deletions(-)
delete mode 100644 test/unittest/lockstat/tst.lockstat.r
diff --git a/test/unittest/lockstat/tst.lockstat.r b/test/unittest/lockstat/tst.lockstat.r
deleted file mode 100644
index 5bdc40c67..000000000
--- a/test/unittest/lockstat/tst.lockstat.r
+++ /dev/null
@@ -1,13 +0,0 @@
-Minimum lockstat events seen
-
-lockstat:::adaptive-spin - yes
-lockstat:::adaptive-block - yes
-lockstat:::adaptive-acquire - yes
-lockstat:::adaptive-release - yes
-lockstat:::rw-spin - yes
-lockstat:::rw-acquire - yes
-lockstat:::rw-release - yes
-lockstat:::spin-spin - yes
-lockstat:::spin-acquire - yes
-lockstat:::spin-release - yes
-
--
2.43.5
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH 2/2] test: Skip pid-0 tests on oversubscribed systems
2025-04-14 20:19 [PATCH 1/2] test: Remove orphaned tst.lockstat.r eugene.loh
@ 2025-04-14 20:19 ` eugene.loh
2025-04-15 15:32 ` [DTrace-devel] " Kris Van Hees
2025-04-15 15:10 ` [DTrace-devel] [PATCH 1/2] test: Remove orphaned tst.lockstat.r Kris Van Hees
1 sibling, 1 reply; 4+ messages in thread
From: eugene.loh @ 2025-04-14 20:19 UTC (permalink / raw)
To: dtrace, dtrace-devel
From: Eugene Loh <eugene.loh@oracle.com>
A number of tests check "tick-n /pid==0/" probes. The problem
with this is that a tick-n probe runs on a specific CPU. If that
CPU is fully subscribed, then pid 0 (swapper) will not run. Thus,
the test will take a long time, only to time out.
Change these tests to use profile-n instead of tick-n probes,
improving chances that the test probe will fire on a less subscribed
CPU.
Therefore, also change the .r.p post-processing file so that it uses
only one output line (in case two CPUs manage to write output).
Finally, add skip files in case pid 0 does not fire on any CPU.
Signed-off-by: Eugene Loh <eugene.loh@oracle.com>
---
test/unittest/ustack/tst.kthread.d | 4 ++--
test/unittest/ustack/tst.kthread.x | 5 +++++
test/unittest/ustack/tst.uaddr-pid0.d | 4 ++--
test/unittest/ustack/tst.uaddr-pid0.r.p | 4 ++--
test/unittest/ustack/tst.uaddr-pid0.x | 5 +++++
test/unittest/ustack/tst.ufunc-pid0.d | 4 ++--
test/unittest/ustack/tst.ufunc-pid0.r.p | 4 ++--
test/unittest/ustack/tst.ufunc-pid0.x | 5 +++++
test/unittest/ustack/tst.usym-pid0.d | 4 ++--
test/unittest/ustack/tst.usym-pid0.r.p | 4 ++--
test/unittest/ustack/tst.usym-pid0.x | 5 +++++
11 files changed, 34 insertions(+), 14 deletions(-)
create mode 100755 test/unittest/ustack/tst.kthread.x
create mode 100755 test/unittest/ustack/tst.uaddr-pid0.x
create mode 100755 test/unittest/ustack/tst.ufunc-pid0.x
create mode 100755 test/unittest/ustack/tst.usym-pid0.x
diff --git a/test/unittest/ustack/tst.kthread.d b/test/unittest/ustack/tst.kthread.d
index c6252b742..83ae6f7c6 100644
--- a/test/unittest/ustack/tst.kthread.d
+++ b/test/unittest/ustack/tst.kthread.d
@@ -1,6 +1,6 @@
/*
* Oracle Linux DTrace.
- * Copyright (c) 2013, 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 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.
*/
@@ -16,4 +16,4 @@
#pragma D option quiet
-tick-100msec / pid == 0 / { ustack(); exit(0); }
+profile-100msec / pid == 0 / { ustack(); exit(0); }
diff --git a/test/unittest/ustack/tst.kthread.x b/test/unittest/ustack/tst.kthread.x
new file mode 100755
index 000000000..b5fe7177a
--- /dev/null
+++ b/test/unittest/ustack/tst.kthread.x
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+$dtrace -qn 'profile-100ms /pid == 0/ { exit(0) }
+ tick-1s { trace("cannot profile pid 0; oversubscribed system?"); exit(2) }'
+exit $?
diff --git a/test/unittest/ustack/tst.uaddr-pid0.d b/test/unittest/ustack/tst.uaddr-pid0.d
index 263a7ca94..ab54eea40 100644
--- a/test/unittest/ustack/tst.uaddr-pid0.d
+++ b/test/unittest/ustack/tst.uaddr-pid0.d
@@ -1,6 +1,6 @@
/*
* Oracle Linux DTrace.
- * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2023, 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.
*/
@@ -9,7 +9,7 @@
#pragma D option quiet
-tick-1
+profile-1
/pid == $target/
{
uaddr(ucaller);
diff --git a/test/unittest/ustack/tst.uaddr-pid0.r.p b/test/unittest/ustack/tst.uaddr-pid0.r.p
index 9203dc824..78ab8e59d 100755
--- a/test/unittest/ustack/tst.uaddr-pid0.r.p
+++ b/test/unittest/ustack/tst.uaddr-pid0.r.p
@@ -1,4 +1,4 @@
#!/usr/bin/gawk -f
-# remove trailing blanks
-{ sub(" *$", ""); print }
+# remove trailing blanks, use only one line
+{ sub(" *$", ""); print; exit }
diff --git a/test/unittest/ustack/tst.uaddr-pid0.x b/test/unittest/ustack/tst.uaddr-pid0.x
new file mode 100755
index 000000000..b5fe7177a
--- /dev/null
+++ b/test/unittest/ustack/tst.uaddr-pid0.x
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+$dtrace -qn 'profile-100ms /pid == 0/ { exit(0) }
+ tick-1s { trace("cannot profile pid 0; oversubscribed system?"); exit(2) }'
+exit $?
diff --git a/test/unittest/ustack/tst.ufunc-pid0.d b/test/unittest/ustack/tst.ufunc-pid0.d
index f076782aa..cd34275f1 100644
--- a/test/unittest/ustack/tst.ufunc-pid0.d
+++ b/test/unittest/ustack/tst.ufunc-pid0.d
@@ -1,6 +1,6 @@
/*
* Oracle Linux DTrace.
- * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2023, 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.
*/
@@ -9,7 +9,7 @@
#pragma D option quiet
-tick-1
+profile-1
/pid == $target/
{
ufunc(ucaller);
diff --git a/test/unittest/ustack/tst.ufunc-pid0.r.p b/test/unittest/ustack/tst.ufunc-pid0.r.p
index 9203dc824..78ab8e59d 100755
--- a/test/unittest/ustack/tst.ufunc-pid0.r.p
+++ b/test/unittest/ustack/tst.ufunc-pid0.r.p
@@ -1,4 +1,4 @@
#!/usr/bin/gawk -f
-# remove trailing blanks
-{ sub(" *$", ""); print }
+# remove trailing blanks, use only one line
+{ sub(" *$", ""); print; exit }
diff --git a/test/unittest/ustack/tst.ufunc-pid0.x b/test/unittest/ustack/tst.ufunc-pid0.x
new file mode 100755
index 000000000..b5fe7177a
--- /dev/null
+++ b/test/unittest/ustack/tst.ufunc-pid0.x
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+$dtrace -qn 'profile-100ms /pid == 0/ { exit(0) }
+ tick-1s { trace("cannot profile pid 0; oversubscribed system?"); exit(2) }'
+exit $?
diff --git a/test/unittest/ustack/tst.usym-pid0.d b/test/unittest/ustack/tst.usym-pid0.d
index d2f5ec5de..9aceab355 100644
--- a/test/unittest/ustack/tst.usym-pid0.d
+++ b/test/unittest/ustack/tst.usym-pid0.d
@@ -1,6 +1,6 @@
/*
* Oracle Linux DTrace.
- * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2023, 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.
*/
@@ -9,7 +9,7 @@
#pragma D option quiet
-tick-1
+profile-1
/pid == $target/
{
usym(ucaller);
diff --git a/test/unittest/ustack/tst.usym-pid0.r.p b/test/unittest/ustack/tst.usym-pid0.r.p
index 9203dc824..78ab8e59d 100755
--- a/test/unittest/ustack/tst.usym-pid0.r.p
+++ b/test/unittest/ustack/tst.usym-pid0.r.p
@@ -1,4 +1,4 @@
#!/usr/bin/gawk -f
-# remove trailing blanks
-{ sub(" *$", ""); print }
+# remove trailing blanks, use only one line
+{ sub(" *$", ""); print; exit }
diff --git a/test/unittest/ustack/tst.usym-pid0.x b/test/unittest/ustack/tst.usym-pid0.x
new file mode 100755
index 000000000..b5fe7177a
--- /dev/null
+++ b/test/unittest/ustack/tst.usym-pid0.x
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+$dtrace -qn 'profile-100ms /pid == 0/ { exit(0) }
+ tick-1s { trace("cannot profile pid 0; oversubscribed system?"); exit(2) }'
+exit $?
--
2.43.5
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [DTrace-devel] [PATCH 1/2] test: Remove orphaned tst.lockstat.r
2025-04-14 20:19 [PATCH 1/2] test: Remove orphaned tst.lockstat.r eugene.loh
2025-04-14 20:19 ` [PATCH 2/2] test: Skip pid-0 tests on oversubscribed systems eugene.loh
@ 2025-04-15 15:10 ` Kris Van Hees
1 sibling, 0 replies; 4+ messages in thread
From: Kris Van Hees @ 2025-04-15 15:10 UTC (permalink / raw)
To: eugene.loh; +Cc: dtrace, dtrace-devel
On Mon, Apr 14, 2025 at 04:19:58PM -0400, eugene.loh--- via DTrace-devel wrote:
> From: Eugene Loh <eugene.loh@oracle.com>
>
> In commit ded09d05a ("test: rework main lockstat test"), a lockstat
> test was renamed. Its .r results file was thereby orphaned. Remove
> the orphaned copy.
>
> Signed-off-by: Eugene Loh <eugene.loh@oracle.com>
Reviewed-by: Kris Van Hees <kris.van.hees@oracle.com>
> ---
> test/unittest/lockstat/tst.lockstat.r | 13 -------------
> 1 file changed, 13 deletions(-)
> delete mode 100644 test/unittest/lockstat/tst.lockstat.r
>
> diff --git a/test/unittest/lockstat/tst.lockstat.r b/test/unittest/lockstat/tst.lockstat.r
> deleted file mode 100644
> index 5bdc40c67..000000000
> --- a/test/unittest/lockstat/tst.lockstat.r
> +++ /dev/null
> @@ -1,13 +0,0 @@
> -Minimum lockstat events seen
> -
> -lockstat:::adaptive-spin - yes
> -lockstat:::adaptive-block - yes
> -lockstat:::adaptive-acquire - yes
> -lockstat:::adaptive-release - yes
> -lockstat:::rw-spin - yes
> -lockstat:::rw-acquire - yes
> -lockstat:::rw-release - yes
> -lockstat:::spin-spin - yes
> -lockstat:::spin-acquire - yes
> -lockstat:::spin-release - yes
> -
> --
> 2.43.5
>
>
> _______________________________________________
> DTrace-devel mailing list
> DTrace-devel@oss.oracle.com
> https://oss.oracle.com/mailman/listinfo/dtrace-devel
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [DTrace-devel] [PATCH 2/2] test: Skip pid-0 tests on oversubscribed systems
2025-04-14 20:19 ` [PATCH 2/2] test: Skip pid-0 tests on oversubscribed systems eugene.loh
@ 2025-04-15 15:32 ` Kris Van Hees
0 siblings, 0 replies; 4+ messages in thread
From: Kris Van Hees @ 2025-04-15 15:32 UTC (permalink / raw)
To: eugene.loh; +Cc: dtrace, dtrace-devel
On Mon, Apr 14, 2025 at 04:19:59PM -0400, eugene.loh--- via DTrace-devel wrote:
> From: Eugene Loh <eugene.loh@oracle.com>
>
> A number of tests check "tick-n /pid==0/" probes. The problem
> with this is that a tick-n probe runs on a specific CPU. If that
> CPU is fully subscribed, then pid 0 (swapper) will not run. Thus,
> the test will take a long time, only to time out.
>
> Change these tests to use profile-n instead of tick-n probes,
> improving chances that the test probe will fire on a less subscribed
> CPU.
>
> Therefore, also change the .r.p post-processing file so that it uses
> only one output line (in case two CPUs manage to write output).
>
> Finally, add skip files in case pid 0 does not fire on any CPU.
>
> Signed-off-by: Eugene Loh <eugene.loh@oracle.com>
Reviewed-by: Kris Van Hees <kris.van.hees@oracle.com>
... although I think it would be best to have a single .x file and then
create symbolic links for its copies under different names.
> ---
> test/unittest/ustack/tst.kthread.d | 4 ++--
> test/unittest/ustack/tst.kthread.x | 5 +++++
> test/unittest/ustack/tst.uaddr-pid0.d | 4 ++--
> test/unittest/ustack/tst.uaddr-pid0.r.p | 4 ++--
> test/unittest/ustack/tst.uaddr-pid0.x | 5 +++++
> test/unittest/ustack/tst.ufunc-pid0.d | 4 ++--
> test/unittest/ustack/tst.ufunc-pid0.r.p | 4 ++--
> test/unittest/ustack/tst.ufunc-pid0.x | 5 +++++
> test/unittest/ustack/tst.usym-pid0.d | 4 ++--
> test/unittest/ustack/tst.usym-pid0.r.p | 4 ++--
> test/unittest/ustack/tst.usym-pid0.x | 5 +++++
> 11 files changed, 34 insertions(+), 14 deletions(-)
> create mode 100755 test/unittest/ustack/tst.kthread.x
> create mode 100755 test/unittest/ustack/tst.uaddr-pid0.x
> create mode 100755 test/unittest/ustack/tst.ufunc-pid0.x
> create mode 100755 test/unittest/ustack/tst.usym-pid0.x
>
> diff --git a/test/unittest/ustack/tst.kthread.d b/test/unittest/ustack/tst.kthread.d
> index c6252b742..83ae6f7c6 100644
> --- a/test/unittest/ustack/tst.kthread.d
> +++ b/test/unittest/ustack/tst.kthread.d
> @@ -1,6 +1,6 @@
> /*
> * Oracle Linux DTrace.
> - * Copyright (c) 2013, 2020, Oracle and/or its affiliates. All rights reserved.
> + * Copyright (c) 2013, 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.
> */
> @@ -16,4 +16,4 @@
>
> #pragma D option quiet
>
> -tick-100msec / pid == 0 / { ustack(); exit(0); }
> +profile-100msec / pid == 0 / { ustack(); exit(0); }
> diff --git a/test/unittest/ustack/tst.kthread.x b/test/unittest/ustack/tst.kthread.x
> new file mode 100755
> index 000000000..b5fe7177a
> --- /dev/null
> +++ b/test/unittest/ustack/tst.kthread.x
> @@ -0,0 +1,5 @@
> +#!/bin/sh
> +
> +$dtrace -qn 'profile-100ms /pid == 0/ { exit(0) }
> + tick-1s { trace("cannot profile pid 0; oversubscribed system?"); exit(2) }'
> +exit $?
> diff --git a/test/unittest/ustack/tst.uaddr-pid0.d b/test/unittest/ustack/tst.uaddr-pid0.d
> index 263a7ca94..ab54eea40 100644
> --- a/test/unittest/ustack/tst.uaddr-pid0.d
> +++ b/test/unittest/ustack/tst.uaddr-pid0.d
> @@ -1,6 +1,6 @@
> /*
> * Oracle Linux DTrace.
> - * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
> + * Copyright (c) 2023, 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.
> */
> @@ -9,7 +9,7 @@
>
> #pragma D option quiet
>
> -tick-1
> +profile-1
> /pid == $target/
> {
> uaddr(ucaller);
> diff --git a/test/unittest/ustack/tst.uaddr-pid0.r.p b/test/unittest/ustack/tst.uaddr-pid0.r.p
> index 9203dc824..78ab8e59d 100755
> --- a/test/unittest/ustack/tst.uaddr-pid0.r.p
> +++ b/test/unittest/ustack/tst.uaddr-pid0.r.p
> @@ -1,4 +1,4 @@
> #!/usr/bin/gawk -f
>
> -# remove trailing blanks
> -{ sub(" *$", ""); print }
> +# remove trailing blanks, use only one line
> +{ sub(" *$", ""); print; exit }
> diff --git a/test/unittest/ustack/tst.uaddr-pid0.x b/test/unittest/ustack/tst.uaddr-pid0.x
> new file mode 100755
> index 000000000..b5fe7177a
> --- /dev/null
> +++ b/test/unittest/ustack/tst.uaddr-pid0.x
> @@ -0,0 +1,5 @@
> +#!/bin/sh
> +
> +$dtrace -qn 'profile-100ms /pid == 0/ { exit(0) }
> + tick-1s { trace("cannot profile pid 0; oversubscribed system?"); exit(2) }'
> +exit $?
> diff --git a/test/unittest/ustack/tst.ufunc-pid0.d b/test/unittest/ustack/tst.ufunc-pid0.d
> index f076782aa..cd34275f1 100644
> --- a/test/unittest/ustack/tst.ufunc-pid0.d
> +++ b/test/unittest/ustack/tst.ufunc-pid0.d
> @@ -1,6 +1,6 @@
> /*
> * Oracle Linux DTrace.
> - * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
> + * Copyright (c) 2023, 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.
> */
> @@ -9,7 +9,7 @@
>
> #pragma D option quiet
>
> -tick-1
> +profile-1
> /pid == $target/
> {
> ufunc(ucaller);
> diff --git a/test/unittest/ustack/tst.ufunc-pid0.r.p b/test/unittest/ustack/tst.ufunc-pid0.r.p
> index 9203dc824..78ab8e59d 100755
> --- a/test/unittest/ustack/tst.ufunc-pid0.r.p
> +++ b/test/unittest/ustack/tst.ufunc-pid0.r.p
> @@ -1,4 +1,4 @@
> #!/usr/bin/gawk -f
>
> -# remove trailing blanks
> -{ sub(" *$", ""); print }
> +# remove trailing blanks, use only one line
> +{ sub(" *$", ""); print; exit }
> diff --git a/test/unittest/ustack/tst.ufunc-pid0.x b/test/unittest/ustack/tst.ufunc-pid0.x
> new file mode 100755
> index 000000000..b5fe7177a
> --- /dev/null
> +++ b/test/unittest/ustack/tst.ufunc-pid0.x
> @@ -0,0 +1,5 @@
> +#!/bin/sh
> +
> +$dtrace -qn 'profile-100ms /pid == 0/ { exit(0) }
> + tick-1s { trace("cannot profile pid 0; oversubscribed system?"); exit(2) }'
> +exit $?
> diff --git a/test/unittest/ustack/tst.usym-pid0.d b/test/unittest/ustack/tst.usym-pid0.d
> index d2f5ec5de..9aceab355 100644
> --- a/test/unittest/ustack/tst.usym-pid0.d
> +++ b/test/unittest/ustack/tst.usym-pid0.d
> @@ -1,6 +1,6 @@
> /*
> * Oracle Linux DTrace.
> - * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
> + * Copyright (c) 2023, 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.
> */
> @@ -9,7 +9,7 @@
>
> #pragma D option quiet
>
> -tick-1
> +profile-1
> /pid == $target/
> {
> usym(ucaller);
> diff --git a/test/unittest/ustack/tst.usym-pid0.r.p b/test/unittest/ustack/tst.usym-pid0.r.p
> index 9203dc824..78ab8e59d 100755
> --- a/test/unittest/ustack/tst.usym-pid0.r.p
> +++ b/test/unittest/ustack/tst.usym-pid0.r.p
> @@ -1,4 +1,4 @@
> #!/usr/bin/gawk -f
>
> -# remove trailing blanks
> -{ sub(" *$", ""); print }
> +# remove trailing blanks, use only one line
> +{ sub(" *$", ""); print; exit }
> diff --git a/test/unittest/ustack/tst.usym-pid0.x b/test/unittest/ustack/tst.usym-pid0.x
> new file mode 100755
> index 000000000..b5fe7177a
> --- /dev/null
> +++ b/test/unittest/ustack/tst.usym-pid0.x
> @@ -0,0 +1,5 @@
> +#!/bin/sh
> +
> +$dtrace -qn 'profile-100ms /pid == 0/ { exit(0) }
> + tick-1s { trace("cannot profile pid 0; oversubscribed system?"); exit(2) }'
> +exit $?
> --
> 2.43.5
>
>
> _______________________________________________
> DTrace-devel mailing list
> DTrace-devel@oss.oracle.com
> https://oss.oracle.com/mailman/listinfo/dtrace-devel
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2025-04-15 15:32 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-04-14 20:19 [PATCH 1/2] test: Remove orphaned tst.lockstat.r eugene.loh
2025-04-14 20:19 ` [PATCH 2/2] test: Skip pid-0 tests on oversubscribed systems eugene.loh
2025-04-15 15:32 ` [DTrace-devel] " Kris Van Hees
2025-04-15 15:10 ` [DTrace-devel] [PATCH 1/2] test: Remove orphaned tst.lockstat.r Kris Van Hees
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