[PATCH i-g-t] tests/xe_eudebug_online: breakpoint-many-sessions-* add delay before resume

[Grzegorzek, Dominik]

On Fri, 2025-01-24 at 11:41 +0100, Maciej Patelczyk wrote:
> For single tile workloads under debug are executed sequentially.
> The test quickly resumes workload that hit the breakpoint without any
> delay. That is then catched by the expectation that there shall be a
> break between workloads.
> 
> Add sleep before resuming workload so that there is a forced gap
> between workloads. If they were properly executed sequentially
> then the diff between workloads shall be longer than sleep.
> 
> Additionally fix the 'ms' to 'us' typo report in case of assert.
> 
> Signed-off-by: Maciej Patelczyk <maciej.patelczyk at intel.com>
> ---
>  tests/intel/xe_eudebug_online.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/tests/intel/xe_eudebug_online.c b/tests/intel/xe_eudebug_online.c
> index f532387af..d58f7d65f 100644
> --- a/tests/intel/xe_eudebug_online.c
> +++ b/tests/intel/xe_eudebug_online.c
> @@ -2305,6 +2305,7 @@ static void test_many_sessions_on_tiles(int fd, bool multi_tile)
>  				attempt_mask |= BIT(i);
>  				should_break = 1;
>  
> +				usleep(WORKLOAD_DELAY_US);
Oh wow. Nice catch! Pretty sure we had that delay before. 
It had to be dropped acidentally down the road, without this below check was pointless.

Reviewed-by: Dominik Grzegorzek <dominik.grzegorzek at intel.com>
>  				eus = (struct drm_xe_eudebug_event_eu_attention *)data[i]->exception_event;
>  				eu_ctl_resume(s[i]->debugger->master_fd, s[i]->debugger->fd,
>  					      eus->client_handle, eus->exec_queue_handle,
> @@ -2328,11 +2329,11 @@ static void test_many_sessions_on_tiles(int fd, bool multi_tile)
>  
>  		if (multi_tile)
>  			igt_assert_f(diff < WORKLOAD_DELAY_US,
> -				     "Expected to execute workloads concurrently. Actual delay: %lu ms\n",
> +				     "Expected to execute workloads concurrently. Actual delay: %lu us\n",
>  				     diff);
>  		else
>  			igt_assert_f(diff >= WORKLOAD_DELAY_US,
> -				     "Expected a serialization of workloads. Actual delay: %lu ms\n",
> +				     "Expected a serialization of workloads. Actual delay: %lu us\n",
>  				     diff);
>  	}
>