Am 2020-09-10 um 2:54 p.m. schrieb Philip Cox:
> Extending the module parameter debug_evictions to also print a stack
> trace when the eviction code path is called.
>
> Signed-off-by: Philip Cox <philip....@amd.com>
This patch is
Reviewed-by: Felix Kuehling <felix.kuehl...@amd.com>
> ---
> drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 1 +
> drivers/gpu/drm/amd/amdkfd/kfd_process.c | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> index 20ef048d6a03..cafbc3aa980a 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> @@ -1966,6 +1966,7 @@ int kfd_process_vm_fault(struct device_queue_manager
> *dqm,
>
> if (!p)
> return -EINVAL;
> + WARN(debug_evictions, "Evicting pid %d", p->lead_thread->pid);
> pdd = kfd_get_process_device_data(dqm->dev, p);
> if (pdd)
> ret = dqm->ops.evict_process_queues(dqm, &pdd->qpd);
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
> b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
> index a0e12a79ab7d..1e15aa7d8ae8 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
> @@ -1488,6 +1488,7 @@ void kfd_suspend_all_processes(void)
> unsigned int temp;
> int idx = srcu_read_lock(&kfd_processes_srcu);
>
> + WARN(debug_evictions, "Evicting all processes");
> hash_for_each_rcu(kfd_processes_table, temp, p, kfd_processes) {
> cancel_delayed_work_sync(&p->eviction_work);
> cancel_delayed_work_sync(&p->restore_work);
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