[CRIU] [PATCH] pstree: Add more debug output for prepare_pstree_kobj_ids

[Pavel Emelyanov]

On 03/15/2013 12:51 PM, Cyrill Gorcunov wrote:
> Quite useful for debuggin.
> 
> Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
> ---
>  pstree.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/pstree.c b/pstree.c
> index fb0b25b..0cd8fbd 100644
> --- a/pstree.c
> +++ b/pstree.c
> @@ -473,6 +473,17 @@ static unsigned long get_clone_mask(TaskKobjIdsEntry *i,
>  	return mask;
>  }
>  
> +static void __show_kobj_ids(char *prefix, TaskKobjIdsEntry *ids)
> +{
> +	if (!ids)
> +		return;
> +
> +	pr_debug("%s: %x %x %x %x %x %x %x %x %x\n", prefix,
> +		ids->vm_id, ids->files_id, ids->fs_id, ids->sighand_id,
> +		ids->pid_ns_id, ids->net_ns_id, ids->ipc_ns_id,
> +		ids->uts_ns_id, ids->mnt_ns_id);
> +}

This can be found out by crtoold show -f

> +
>  static int prepare_pstree_kobj_ids(void)
>  {
>  	struct pstree_item *item;
> @@ -507,6 +518,9 @@ static int prepare_pstree_kobj_ids(void)
>  			}
>  		}
>  
> +		__show_kobj_ids("parent ids", ids);
> +		__show_kobj_ids("child  ids", item->ids);
> +
>  		cflags = get_clone_mask(item->ids, ids);
>  
>  		if (cflags & CLONE_FILES) {
> @@ -546,6 +560,7 @@ set_mask:
>  		}
>  	}
>  
> +	pr_debug("NS mask to use %lx\n", current_ns_mask);

Missing info for what pid this mask is generated

>  	return 0;
>  }
>  
>