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Add a couple new functions to gdbinit file and decode a couple lv->status flags

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New functions:
 - seg_pvs: Print a list of PVs in a seg_pvs list
 - pv_dev_name: print name of a PV
This commit is contained in:
Jonathan Earl Brassow 2012-04-10 23:24:00 +00:00
parent 9a2b6bda59
commit 68d84fa3eb
1 changed files with 51 additions and 2 deletions
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53
scripts/gdbinit
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@ -17,6 +17,7 @@
printf "\n\n"
printf "Loading commands:\n"
printf " - dm_list_size <list ptr>\n"
printf " - pv_dev_name <PV ptr>\n"
printf " - first_seg <LV ptr>\n"
printf " - lv_status <LV ptr>\n"
printf " - lv_status_r <LV ptr>\n"
@ -24,12 +25,13 @@ printf " - lv_is_mirrored <LV ptr>\n"
printf " - seg_item <seg ptr> <index>\n"
printf " - seg_status <seg ptr>\n"
printf " - segs_using_this_lv <seg ptr>\n"
printf " - seg_pvs <list ptr>\n"
printf " - \n"
printf "Use 'help <command>' for more info\n"
printf "\n\n"
printf "Popular breakpoints:\n"
printf "break _get_udev_flags\n"
printf "run --splitmirrors 1 -n split vg/lv\n"
printf "break _alloc_image_components\n"
printf "run --repair --use-policies vg/lv\n"
printf "\n\n"
set follow-fork-mode child
@ -41,6 +43,8 @@ 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
@ -60,6 +64,41 @@ Returns the number of elements in the dm_list
Usage: dm_list_size <list ptr>
end
define pv_dev_name
set $_PDN_pv = (struct physical_volume *)$arg0
set $_PDN_dev = $_PDN_pv->dev
set $_PDN_strl = (struct str_list *)$_PDN_dev->aliases.n
printf "%s\n", $_PDN_strl->str
end
document pv_dev_name
Print the name of the PV for the given PV pointer
Usage: pv_dev_name <PV ptr>
end
define seg_pvs
set $_SP_list_head = (struct dm_list *)$arg0
set $_SP_list = $_SP_list_head->n
while (($_SP_list != $_SP_list_head) && ($_SP_size < 100))
set $_SP_spv = (struct seg_pvs *)$_SP_list
printf "* Can't print PV list\n"
set $_SP_list = $_SP_list->n
end
printf "%d list items\n", $_SP_size
end
document seg_pvs
Print the elements of a seg_pvs list
Usage: seg_pvs <list ptr>
end
#
# __first_seg <return> <LV>
define __first_seg
@ -270,6 +309,16 @@ define __status
set $_s_status = $_s_status & ~0x00400000U
printf " CONVERTING"
end
# if ($_s_status & LV_REBUILD)
if ($_s_status & 0x100000U)
set $_s_status = $_s_status & ~0x100000U
printf " LV_REBUILD"
end
# if ($_s_status & PARTIAL_LV)
if ($_s_status & 0x1000000U)
set $_s_status = $_s_status & ~0x1000000U
printf " PARTIAL_LV"
end
# if ($_s_status & MERGING)
if ($_s_status & 0x10000000U)
set $_s_status = $_s_status & ~0x10000000U