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authorPhilip Cox <Philip.Cox@amd.com>2020-06-29 09:49:59 -0400
committerAlex Deucher <alexander.deucher@amd.com>2020-09-17 21:22:16 -0400
commit8a491bb31ba40246ae15cbb3c044d72fb9e0d13e (patch)
tree5d3f45c49c813ee2bf630b361b7fbd1ef87f5762 /drivers
parent35d1a405cada8b61dd866e7815a226486b8d55b2 (diff)
drm/amdkfd: Add some eveiction debugging code
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.Cox@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c1
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_process.c1
2 files changed, 2 insertions, 0 deletions
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);