[PATCH] drm/amdkfd: Ratelimit oversubscription message

[Felix Kuehling]

Am 2023-03-02 um 14:46 schrieb Kent Russell:
> On certain applications, this message could end up flooding dmesg.
> Ratelimit it so that the warning is still available, but doesn't take
> over the entire log
>
> Signed-off-by: Kent Russell <kent.russell at amd.com>

Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com>


> ---
>   drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
> index ed02b6d8bf63..9eb3b5feff56 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
> @@ -207,7 +207,7 @@ static int pm_create_runlist_ib(struct packet_manager *pm,
>   
>   	if (is_over_subscription) {
>   		if (!pm->is_over_subscription)
> -			pr_warn("Runlist is getting oversubscribed. Expect reduced ROCm performance.\n");
> +			pr_warn_ratelimited("Runlist is getting oversubscribed. Expect reduced ROCm performance.\n");
>   		retval = pm->pmf->runlist(pm, &rl_buffer[rl_wptr],
>   					*rl_gpu_addr,
>   					alloc_size_bytes / sizeof(uint32_t),