On Tue, Dec 6, 2022 at 4:40 PM <crash-utility-request@xxxxxxxxxx> wrote:
> Date: Tue, 6 Dec 2022 16:40:21 +0800
> From: Tao Liu <ltao@xxxxxxxxxx>
> To: crash-utility@xxxxxxxxxx
> Subject: [PATCH v3 5/6] Update the maple tree help
> info for tree cmd
> Message-ID: <20221206084022.58693-6-ltao@xxxxxxxxxx>
> Content-Type: text/plain; charset="US-ASCII"; x-default=true
>
> Signed-off-by: Tao Liu <ltao@xxxxxxxxxx>
> ---
> help.c | 46 ++++++++++++++++++++++++----------------------
> 1 file changed, 24 insertions(+), 22 deletions(-)
>
> diff --git a/help.c b/help.c
> index 99214c1..f764d08 100644
> --- a/help.c
> +++ b/help.c
> @@ -6306,19 +6306,20 @@ NULL
>
> char *help_tree[] = {
> "tree",
> -"display radix tree, XArray or red-black tree",
> -"[-t [radix|xarray|rbtree]] [-r offset] [-[s|S] struct[.member[,member]]]\n -[x|d] [-o offset] [-l] [-p] [-N] start",
> -" This command dumps the contents of a radix tree, an XAarray, or a red-black",
> -" tree. The arguments are as follows:\n",
> +"display radix tree, XArray, red-black tree or maple tree",
> +"[-t [radix|xarray|rbtree|maple]] [-r offset] [-[s|S] struct[.member[,member]]]\n"
> +" -[x|d] [-o offset] [-l] [-p] [-v] [-N] start",
> +" This command dumps the contents of a radix tree, an XAarray, a red-black",
> +" tree, or a maple tree. The arguments are as follows:\n",
> " -t type The type of tree to dump; the type string can be one of ",
> -" \"radix\", \"rbtree\", or \"xarray\", or alternatively, \"ra\",",
> -" \"rb\" or \"x\" are acceptable. If not specified, rbtree is the",
> -" default type.",
> +" \"radix\", \"rbtree\", \"xarray\", or \"maple\", or alternatively,",
> +" \"ra\", \"rb\", \"x\" or \"m\" are acceptable. If not specified,",
> +" rbtree is the default type.",
> " -r offset If the \"start\" argument is the address of a data structure that",
> -" contains an radix_tree_root, xarray or rb_root structure, then this",
> -" is the offset to that structure member. If the offset is non-zero,",
> -" then this option is required. The offset may be entered in either",
> -" of two manners:",
> +" contains an radix_tree_root, maple_tree, xarray or rb_root",
> +" structure, then this is the offset to that structure member. If",
> +" the offset is non-zero, then this option is required. The offset",
> +" may be entered in either of two manners:",
> " 1. In \"structure.member\" format.",
> " 2. A number of bytes.",
> " -o offset For red-black trees only, the offset of the rb_node within its ",
> @@ -6347,25 +6348,26 @@ char *help_tree[] = {
> " -p Display the node's position information, showing the relationship",
> " between it and the root. For red-black trees, a position that",
> " indicates \"root/l/r\" means that the node is the right child",
> -" of the left child of the root node. For radix trees and xarrays,",
> -" the index, the height, and the slot index values are shown with",
> -" respect to the root.",
> +" of the left child of the root node. For radix trees, xarrays and",
> +" maple trees, the index, the height, and the slot index values are",
> +" shown with respect to the root.",
> " -x Override default output format with hexadecimal format.",
> " -d Override default output format with decimal format.",
> +" -v For maple trees only, showing the contents of each maple tree node.",
> " ",
> " The meaning of the \"start\" argument, which can be expressed either in",
> " hexadecimal format or symbolically, depends upon whether the -N option",
> " is prepended:",
> " ",
> -" start The address of a radix_tree_root, xarray or rb_root structure, or",
> -" the address of a structure containing the radix_tree_root, xarray",
> -" or rb_root structure; if the latter, then the \"-r offset\" option",
> -" must be used if the member offset of the root structure is ",
> -" non-zero.",
> +" start The address of a radix_tree_root, maple_tree, xarray or rb_root",
> +" structure, or the address of a structure containing the",
> +" radix_tree_root, maple_tree, xarray or rb_root structure; if the",
> +" latter, then the \"-r offset\" option must be used if the member",
> +" offset of the root structure is non-zero.",
> " ",
> -" -N start The address of a radix_tree_node, xa_node or rb_node structure,",
> -" bypassing the radix_tree_root, xarray, or rb_root that points",
> -" to it.",
> +" -N start The address of a radix_tree_node, maple_node, xa_node or rb_node",
> +" structure, bypassing the radix_tree_root, maple_tree, xarray, or",
> +" rb_root that points to it.",
> "",
> "\nEXAMPLES",
> " The vmap_area_root is a standalone rb_root structure. Display the ",
Could you please also add a simple example for the maple tree option
to the above EXAMPLES section? That looks more helpful.
BTW: I noticed that you had put several examples to patch[2] log.
Thanks.
Lianbo
> --
> 2.33.1
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