[PATCH v3 i-g-t 3/3] tests/intel/xe_eudebug: Add basic-vm-bind-ufence-sigint-client test

[Manszewski, Christoph]

Hi Dominik,

On 16.12.2024 14:49, Dominik Karol Piątkowski wrote:
> Add a test that gives user fence in application, holds it, sends SIGINT
> to client and checks if anything breaks.
> 
> Signed-off-by: Dominik Karol Piątkowski <dominik.karol.piatkowski at intel.com>

Reviewed-by: Christoph Manszewski <christoph.manszewski at intel.com>

Thanks,
Christoph

> ---
> v2:
> - Cleanup after the client in basic-vm-bind-ufence-sigint-client,
>    merge the test into test_basic_ufence
> v3:
> - Get rid of goto
> ---
>   tests/intel/xe_eudebug.c | 15 ++++++++++++++-
>   1 file changed, 14 insertions(+), 1 deletion(-)
> 
> diff --git a/tests/intel/xe_eudebug.c b/tests/intel/xe_eudebug.c
> index 8965e7f9d..cce5b847c 100644
> --- a/tests/intel/xe_eudebug.c
> +++ b/tests/intel/xe_eudebug.c
> @@ -65,6 +65,7 @@ static void test_sysfs_toggle(int fd)
>   #define EXEC_QUEUES_PLACEMENTS		(1 << 8)
>   #define VM_BIND_DELAY_UFENCE_ACK	(1 << 9)
>   #define VM_BIND_UFENCE_RECONNECT	(1 << 10)
> +#define VM_BIND_UFENCE_SIGINT_CLIENT	(1 << 11)
>   #define TEST_DISCOVERY			(1 << 31)
>   
>   #define PAGE_SIZE SZ_4K
> @@ -2135,6 +2136,10 @@ static int wait_for_ufence_events(struct ufence_priv *priv, int timeout_ms)
>    * Description:
>    *	Give user fence in application, hold it, drop the debugger connection and check if anything
>    *	breaks. Expect that held acks are released when connection is dropped.
> + *
> + * SUBTEST: basic-vm-bind-ufence-sigint-client
> + * Description:
> + *	Give user fence in application, hold it, send SIGINT to client and check if anything breaks.
>    */
>   static void test_basic_ufence(int fd, unsigned int flags)
>   {
> @@ -2164,7 +2169,12 @@ static void test_basic_ufence(int fd, unsigned int flags)
>   	if (flags & VM_BIND_DELAY_UFENCE_ACK)
>   		sleep(XE_EUDEBUG_DEFAULT_TIMEOUT_SEC * 4 / 5);
>   
> -	if (flags & VM_BIND_UFENCE_RECONNECT) {
> +	if (flags & VM_BIND_UFENCE_SIGINT_CLIENT) {
> +		filter = XE_EUDEBUG_FILTER_ALL;
> +		kill(c->pid, SIGINT);
> +		c->pid = 0;
> +		c->done = 1;
> +	} else if (flags & VM_BIND_UFENCE_RECONNECT) {
>   		filter = XE_EUDEBUG_FILTER_EVENT_VM_BIND | XE_EUDEBUG_FILTER_EVENT_VM |
>   				XE_EUDEBUG_FILTER_EVENT_OPEN;
>   		xe_eudebug_debugger_detach(d);
> @@ -2843,6 +2853,9 @@ igt_main
>   	igt_subtest("basic-vm-bind-ufence-reconnect")
>   		test_basic_ufence(fd, VM_BIND_UFENCE_RECONNECT);
>   
> +	igt_subtest("basic-vm-bind-ufence-sigint-client")
> +		test_basic_ufence(fd, VM_BIND_UFENCE_SIGINT_CLIENT);
> +
>   	igt_subtest("vma-ufence")
>   		test_vma_ufence(fd, 0);
>