diff options
| -rw-r--r-- | drivers/gpu/drm/drm_info.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c index 3c99f6f60818..d1c5904bc473 100644 --- a/drivers/gpu/drm/drm_info.c +++ b/drivers/gpu/drm/drm_info.c @@ -183,15 +183,32 @@ int drm_clients_info(struct seq_file *m, void *data) struct drm_device *dev = node->minor->dev; struct drm_file *priv; + seq_printf(m, + "%20s %5s %3s master a %5s %10s\n", + "command", + "pid", + "dev", + "uid", + "magic"); + + /* dev->filelist is sorted youngest first, but we want to present + * oldest first (i.e. kernel, servers, clients), so walk backwardss. + */ mutex_lock(&dev->struct_mutex); - seq_printf(m, "a dev pid uid magic\n\n"); - list_for_each_entry(priv, &dev->filelist, lhead) { - seq_printf(m, "%c %3d %5d %5d %10u\n", - priv->authenticated ? 'y' : 'n', - priv->minor->index, + list_for_each_entry_reverse(priv, &dev->filelist, lhead) { + struct task_struct *task; + + rcu_read_lock(); /* locks pid_task()->comm */ + task = pid_task(priv->pid, PIDTYPE_PID); + seq_printf(m, "%20s %5d %3d %c %c %5d %10u\n", + task ? task->comm : "<unknown>", pid_vnr(priv->pid), + priv->minor->index, + priv->is_master ? 'y' : 'n', + priv->authenticated ? 'y' : 'n', from_kuid_munged(seq_user_ns(m), priv->uid), priv->magic); + rcu_read_unlock(); } mutex_unlock(&dev->struct_mutex); return 0; |