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path: root/drivers/gpu/drm/drm_info.c
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Diffstat (limited to 'drivers/gpu/drm/drm_info.c')
-rw-r--r--drivers/gpu/drm/drm_info.c89
1 files changed, 25 insertions, 64 deletions
diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
index ecaf0fa2eec8..51efebd434f3 100644
--- a/drivers/gpu/drm/drm_info.c
+++ b/drivers/gpu/drm/drm_info.c
@@ -35,6 +35,9 @@
#include <linux/seq_file.h>
#include <drm/drmP.h>
+#include <drm/drm_gem.h>
+
+#include "drm_legacy.h"
/**
* Called when "/proc/dri/.../name" is read.
@@ -183,15 +186,32 @@ 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;
@@ -223,62 +243,3 @@ int drm_gem_name_info(struct seq_file *m, void *data)
return 0;
}
-
-#if DRM_DEBUG_CODE
-
-int drm_vma_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_vma_entry *pt;
- struct vm_area_struct *vma;
- unsigned long vma_count = 0;
-#if defined(__i386__)
- unsigned int pgprot;
-#endif
-
- mutex_lock(&dev->struct_mutex);
- list_for_each_entry(pt, &dev->vmalist, head)
- vma_count++;
-
- seq_printf(m, "vma use count: %lu, high_memory = %pK, 0x%pK\n",
- vma_count, high_memory,
- (void *)(unsigned long)virt_to_phys(high_memory));
-
- list_for_each_entry(pt, &dev->vmalist, head) {
- vma = pt->vma;
- if (!vma)
- continue;
- seq_printf(m,
- "\n%5d 0x%pK-0x%pK %c%c%c%c%c%c 0x%08lx000",
- pt->pid,
- (void *)vma->vm_start, (void *)vma->vm_end,
- vma->vm_flags & VM_READ ? 'r' : '-',
- vma->vm_flags & VM_WRITE ? 'w' : '-',
- vma->vm_flags & VM_EXEC ? 'x' : '-',
- vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
- vma->vm_flags & VM_LOCKED ? 'l' : '-',
- vma->vm_flags & VM_IO ? 'i' : '-',
- vma->vm_pgoff);
-
-#if defined(__i386__)
- pgprot = pgprot_val(vma->vm_page_prot);
- seq_printf(m, " %c%c%c%c%c%c%c%c%c",
- pgprot & _PAGE_PRESENT ? 'p' : '-',
- pgprot & _PAGE_RW ? 'w' : 'r',
- pgprot & _PAGE_USER ? 'u' : 's',
- pgprot & _PAGE_PWT ? 't' : 'b',
- pgprot & _PAGE_PCD ? 'u' : 'c',
- pgprot & _PAGE_ACCESSED ? 'a' : '-',
- pgprot & _PAGE_DIRTY ? 'd' : '-',
- pgprot & _PAGE_PSE ? 'm' : 'k',
- pgprot & _PAGE_GLOBAL ? 'g' : 'l');
-#endif
- seq_printf(m, "\n");
- }
- mutex_unlock(&dev->struct_mutex);
- return 0;
-}
-
-#endif
-