From ff72bc40317079b775a7a6d2ba94297b04b795e4 Mon Sep 17 00:00:00 2001
From: Mihir Bhogilal Patel <Mihir.Patel@amd.com>
Date: Thu, 8 Oct 2020 15:46:38 +0530
Subject: drm/amdgpu: Add debugfs entry for printing VM info
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Create new debugfs entry to print memory info using VM buffer
objects.
V2: Added Common function for printing BO info.
Dump more VM lists for evicted, moved, relocated, invalidated.
Removed dumping VM mapped BOs.
V3: Fixed coding style comments, renamed print API and variables.
V4: Fixed coding style comments.
Signed-off-by: Mihir Bhogilal Patel <Mihir.Patel@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 30 +++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
(limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index 2d125b8b15ee..8ec4806c2ff4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -1335,11 +1335,41 @@ static int amdgpu_debugfs_evict_gtt(struct seq_file *m, void *data)
return 0;
}
+static int amdgpu_debugfs_vm_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *)m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct drm_file *file;
+ int r;
+
+ r = mutex_lock_interruptible(&dev->filelist_mutex);
+ if (r)
+ return r;
+
+ list_for_each_entry(file, &dev->filelist, lhead) {
+ struct amdgpu_fpriv *fpriv = file->driver_priv;
+ struct amdgpu_vm *vm = &fpriv->vm;
+
+ seq_printf(m, "pid:%d\tProcess:%s ----------\n",
+ vm->task_info.pid, vm->task_info.process_name);
+ r = amdgpu_bo_reserve(vm->root.base.bo, true);
+ if (r)
+ break;
+ amdgpu_debugfs_vm_bo_info(vm, m);
+ amdgpu_bo_unreserve(vm->root.base.bo);
+ }
+
+ mutex_unlock(&dev->filelist_mutex);
+
+ return r;
+}
+
static const struct drm_info_list amdgpu_debugfs_list[] = {
{"amdgpu_vbios", amdgpu_debugfs_get_vbios_dump},
{"amdgpu_test_ib", &amdgpu_debugfs_test_ib},
{"amdgpu_evict_vram", &amdgpu_debugfs_evict_vram},
{"amdgpu_evict_gtt", &amdgpu_debugfs_evict_gtt},
+ {"amdgpu_vm_info", &amdgpu_debugfs_vm_info},
};
static void amdgpu_ib_preempt_fences_swap(struct amdgpu_ring *ring,
--
cgit v1.2.3-70-g09d2