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| author | Jonathan Earl Brassow <jbrassow@redhat.com> | 2011-09-28 16:32:22 +0000 |
|---|---|---|
| committer | Jonathan Earl Brassow <jbrassow@redhat.com> | 2011-09-28 16:32:22 +0000 |
| commit | 9aedb1431fc27dd4044fb7048823fb154202c200 (patch) | |
| tree | c0f09838db42da8310d8e180e0694fb923d13475 /scripts | |
| parent | 10d0d9c7c468abf1144586bf50a118eb94d0c7b6 (diff) | |
| download | lvm2-9aedb1431fc27dd4044fb7048823fb154202c200.tar.gz lvm2-9aedb1431fc27dd4044fb7048823fb154202c200.tar.xz lvm2-9aedb1431fc27dd4044fb7048823fb154202c200.zip | |
New handy gdb debugging function, "dm_list_size"
Example:
(gdb) dm_list_size &split_images
1 list items
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/gdbinit | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/scripts/gdbinit b/scripts/gdbinit index 0088017b..e7c26cb8 100644 --- a/scripts/gdbinit +++ b/scripts/gdbinit @@ -16,6 +16,7 @@ printf "\n\n" printf "Loading commands:\n" +printf " - dm_list_size <list ptr>\n" printf " - first_seg <LV ptr>\n" printf " - lv_status <LV ptr>\n" printf " - lv_status_r <LV ptr>\n" @@ -27,8 +28,8 @@ printf " - \n" printf "Use 'help <command>' for more info\n" printf "\n\n" printf "Popular breakpoints:\n" -printf "break _raid_add_images\n" -printf "run --type raid1 -m 1 vg/lv\n" +printf "break _get_udev_flags\n" +printf "run --splitmirrors 1 -n split vg/lv\n" printf "\n\n" set follow-fork-mode child @@ -40,6 +41,24 @@ set follow-fork-mode child # External functions should have a corresponding 'document' # section. Internal functions should have leading comments +define dm_list_size + set $_DLS_list_head = (struct dm_list *)$arg0 + set $_DLS_list = $_DLS_list_head->n + set $_DLS_size = 0 + + while (($_DLS_list != $_DLS_list_head) && ($_DLS_size < 100)) + set $_DLS_list = $_DLS_list->n + set $_DLS_size++ + end + + printf "%d list items\n", $_DLS_size +end + +document dm_list_size +Returns the number of elements in the dm_list + + Usage: dm_list_size <list ptr> +end # # __first_seg <return> <LV> |