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>
---
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);
--
2.17.1
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