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From: jbrassow@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2/scripts gdbinit Date: Tue, 10 Apr 2012 23:24:00 -0000 [thread overview] Message-ID: <20120410232401.1810.qmail@sourceware.org> (raw) CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: jbrassow@sourceware.org 2012-04-10 23:24:00 Modified files: scripts : gdbinit Log message: Add a couple new functions to gdbinit file and decode a couple lv->status flags New functions: - seg_pvs: Print a list of PVs in a seg_pvs list - pv_dev_name: print name of a PV Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/scripts/gdbinit.diff?cvsroot=lvm2&r1=1.11&r2=1.12 --- LVM2/scripts/gdbinit 2011/09/28 16:32:22 1.11 +++ LVM2/scripts/gdbinit 2012/04/10 23:24:00 1.12 @@ -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 " - 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 @@ # 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 @@ 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 @@ 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
next reply other threads:[~2012-04-10 23:24 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-04-10 23:24 jbrassow [this message] -- strict thread matches above, loose matches on Subject: below -- 2011-09-28 16:32 jbrassow 2011-09-13 13:57 jbrassow 2011-09-08 22:19 jbrassow 2011-09-01 21:01 jbrassow 2011-07-01 16:15 jbrassow 2011-03-29 12:53 jbrassow 2011-03-14 18:05 jbrassow 2011-03-11 22:25 jbrassow 2011-03-11 22:16 jbrassow 2011-03-11 18:22 jbrassow 2011-03-10 13:45 jbrassow
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