Add macros for kernel debugging. These have been around for a

while, and they will need some more tuning before they're really
useful, but at the moment they're better than nothing.

Indirectly reminded by: dwhite
This commit is contained in:
grog 2003-06-07 01:01:42 +00:00
parent 8b42c9435c
commit d1366004aa
4 changed files with 1104 additions and 0 deletions

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# $FreeBSD$
# .gdbinit file for remote serial debugging.
# see gdbinit(9) for further details.
#
# The following lines (down to "end" comment) may need to be changed
file kernel.debug
set output-radix 16
set height 70
set width 120
# Connect to remote target
define tr
set remotebaud 9600
# Remote debugging port
target remote /dev/cuaa0
end
# Get symbols from klds. This is a little fiddly, but very fast.
define getsyms
kldstat
echo Select the list above with the mouse, paste into the screen\n
echo and then press ^D. Yes, this is annoying.\n
# This should be the path of the real modules directory.
shell asf modules/src/FreeBSD/5-CURRENT-ZAPHOD/src/sys/modules
source .asf
end
# End of things you're likely to need to change.
set remotetimeout 1
set complaints 1
set print pretty
dir ../../..
document tr
Attach to a remote kernel via serial port
end
source gdbinit.kernel
source gdbinit.vinum
# Attach to the remote kernel
tr
# And get the symbols from klds
getsyms

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# $FreeBSD$
# Assembler-level macros for i386
# Disassemble the next 10 instructions.
define xi
x/10i $eip
end
# Top 12 words on stack
define xs
x/12x $esp
end
# Top 12 words from frame pointer
define xb
x/12x $ebp
end
# single step through calls and disassemble the next instruction
define z
ni
x/1i $eip
end
# single step over calls and disassemble the next instruction
define zs
si
x/1i $eip
end
# show current stack frame and first 4 parameters
define xp
printf " esp: "
output/x $esp
echo (
output (((int)$ebp)-(int)$esp)/4-4
printf " words on stack)\n ebp: "
output/x $ebp
printf "\n eip: "
x/1i $eip
printf "Saved ebp: "
output/x *(int*)$ebp
printf " (maximum of "
output ((*(int*)$ebp)-(int)$ebp)/4-4
printf " parameters possible)\nSaved eip: "
x/1i *(int*)($ebp+4)
printf "\nParm 1 at "
output/x (int) ($ebp+8)
printf ": "
output (char*) *(int*)($ebp+8)
printf "\nParm 2 at "
output/x (int) ($ebp+12)
printf ": "
output (char*) *(int*)($ebp+12)
printf "\nParm 3 at "
output/x (int) ($ebp+16)
printf ": "
output (char*) *(int*)($ebp+16)
printf "\nParm 4 at "
output/x (int) ($ebp+20)
printf ": "
output (char*) *(int*)($ebp+20)
echo \n
end
document xp
Show the register contents and the first four parameter
words of the current frame.
end
# show current stack frame and first 10 parameters
define xxp
printf " esp: "
output/x $esp
printf "\n ebp: "
output/x $ebp
printf "\n eip: "
x/1i $eip
printf "Saved ebp: "
output/x *(int*)$ebp
printf " (maximum of "
output ((*(int*)$ebp)-(int)$ebp)/4-4
printf " parameters possible)\nSaved eip: "
x/1i *(int*)($ebp+4)
printf "\nParm 1 at "
output/x (int) ($ebp+8)
printf ": "
output (char*) *(int*)($ebp+8)
printf "\nParm 2 at "
output/x (int) ($ebp+12)
printf ": "
output (char*) *(int*)($ebp+12)
printf "\nParm 3 at "
output/x (int) ($ebp+16)
printf ": "
output (char*) *(int*)($ebp+16)
printf "\nParm 4 at "
output/x (int) ($ebp+20)
printf ": "
output (char*) *(int*)($ebp+20)
printf "\nParm 5 at "
output/x (int) ($ebp+24)
printf ": "
output (char*) *(int*)($ebp+24)
printf "\nParm 6 at "
output/x (int) ($ebp+28)
printf ": "
output (char*) *(int*)($ebp+28)
printf "\nParm 7 at "
output/x (int) ($ebp+32)
printf ": "
output (char*) *(int*)($ebp+32)
printf "\nParm 8 at "
output/x (int) ($ebp+36)
printf ": "
output (char*) *(int*)($ebp+36)
printf "\nParm 9 at "
output/x (int) ($ebp+40)
printf ": "
output (char*) *(int*)($ebp+40)
printf "\nParm 10 at "
output/x (int) ($ebp+44)
printf ": "
output (char*) *(int*)($ebp+44)
echo \n
end
document xxp
Show the register contents and the first ten parameter
words of the current frame.
end
# Show first to fifth parameters of current frame as int, int * and char *.
define xp0
x/12x *(int*)$esp
p *(int*)$esp
p (char*)*$esp
end
define xp1
x/12x *(int*)($ebp+4)
p *(int*)($ebp+4)
p (char**)($ebp+4)
end
define xp2
x/12x *(int*)($ebp+8)
p *(int*)($ebp+8)
p *(char**)($ebp+8)
end
define xp3
x/12x *(int*)($ebp+12)
p *(int*)($ebp+12)
p (char**)($ebp+12)
end
define xp4
x/12x *(int*)($ebp+16)
p *(int*)($ebp+16)
p (char**)($ebp+16)
end
document xp0
Show the first parameter of current stack frame in various formats
end
document xp1
Show the second parameter of current stack frame in various formats
end
document xp2
Show the third parameter of current stack frame in various formats
end
document xp3
Show the fourth parameter of current stack frame in various formats
end
document xp4
Show the fifth parameter of current stack frame in various formats
end
# Select frame 0 to 5 and show stack information.
define f0
f 0
xp
end
define f1
f 1
xp
end
define f2
f 2
xp
end
define f3
f 3
xp
end
define f4
f 4
xp
end
define f5
f 5
xp
end
document f0
Select stack frame 0 and show assembler-level details
end
document f1
Select stack frame 1 and show assembler-level details
end
document f2
Select stack frame 2 and show assembler-level details
end
document f3
Select stack frame 3 and show assembler-level details
end
document f4
Select stack frame 4 and show assembler-level details
end
document f5
Select stack frame 5 and show assembler-level details
end
document z
Single step 1 instruction (over calls) and show next instruction.
end
document zs
Single step 1 instruction (through calls) and show next instruction.
end
document xi
List the next 10 instructions from the current IP value
end
document xs
Show the last 12 words on stack in hex
end
document xb
Show 12 words starting at current BP value in hex
end
# pcb <pid>
# show contents of pcb, currently only i386.
define pcb
y
set $nproc = nprocs
set $aproc = allproc.lh_first
set $proc = allproc.lh_first
while (--$nproc >= 0)
set $pptr = $proc.p_pptr
if ($proc->p_pid == $arg0)
set $pcba = $proc->p_threads.tqh_first->td_pcb
printf "ip: %08x sp: %08x bp: %08x bx: %08x\n", $pcba->pcb_eip, $pcba->pcb_esp, $pcba->pcb_ebp, $pcba->pcb_ebx
x/1i $pcba->pcb_eip
set $nproc = 0
end
set $aproc = $proc.p_list.le_next
if ($aproc == 0 && $nproc > 0)
set $aproc = zombproc
end
set $proc = $aproc
end
end
document pcb
Show some pcb contents of process whose pid is specified.
end
# btr <frame>
# primitive backtrace. frame is a memory address.
define btr
set $frame = $arg0
set $fno = 0
while (*(int *) $frame > 0xc0000000)
set $myebp = *(int *) $frame
set $myeip = *(int *) ($frame + 4)
printf " frame %d at %p: ebp %8x, eip ", $fno, $frame, $myebp
x/1i $myeip
set $frame = $myebp
set $fno = $fno + 1
end
end
document btr
Show a backtrace from the ebp address specified. This can be used to get a backtrace from any stack resident in memory. It's the user's responsiblity to ensure that the address is meaningful.
end
# btp <pid>
# backtrace for process <pid>. Uses btr (machine dependent) to perform the backtrace.
# may produce nonsense.
define btp
y
set $nproc = nprocs
set $aproc = allproc.lh_first
set $proc = allproc.lh_first
while (--$nproc >= 0)
if ($proc->p_pid == $arg0)
btr $proc->p_threads.tqh_first->td_pcb->pcb_ebp
set $nproc = 0
else
set $aproc = $proc.p_list.le_next
if ($aproc == 0 && $nproc > 0)
set $aproc = zombproc
end
set $proc = $aproc
end
end
end
document btp
Show a backtrace for the process whose pid is specified as a parameter.
end
# Do backtraces for all processes in the system.
# Uses btr (machine dependent) to perform the backtrace.
define btpa
set $nproc = nprocs
set $aproc = allproc.lh_first
set $proc = allproc.lh_first
printf " pid proc addr uid ppid pgrp flag stat comm wchan\n"
while (--$nproc >= 0)
set $pptr = $proc.p_pptr
if ($pptr == 0)
set $pptr = $proc
end
if ($proc.p_stat)
printf "%5d %08x %08x %4d %5d %5d %06x %d %-10s ", \
$proc.p_pid, $aproc, \
$proc.p_uarea, $proc.p_cred->p_ruid, $pptr->p_pid, \
$proc.p_pgrp->pg_id, $proc.p_flag, $proc.p_stat, \
&$proc.p_comm[0]
if ($proc.p_wchan)
if ($proc.p_wmesg)
printf "%s ", $proc.p_wmesg
end
printf "%x", $proc.p_wchan
end
printf "\n"
if ($proc->p_flag & 4)
btr $proc->p_threads.tqh_first->td_pcb->pcb_ebp
else
echo (not loaded)\n
end
end
set $aproc = $proc.p_list.le_next
if ($aproc == 0 && $nproc > 0)
set $aproc = zombproc
end
set $proc = $aproc
end
end
document btpa
Show backtraces for all processes in the system.
end
# Show backtrace for process selected with "defproc"
define btpp
if ($myvectorproc->p_flag & 4)
btr $myvectorproc->p_threads.tqh_first->td_pcb->pcb_ebp
else
echo (not loaded)\n
end
end
document btpp
Show a backtrace for the process previously selected with 'defproc'.
end
# Specific stack fram of process selected with "defproc".
define fr
set $fno = 0
set $searching = 1
if ($myvectorproc->p_flag & 4)
set $frame = $myvectorproc->p_threads.tqh_first->td_pcb->pcb_ebp
while (($searching == 1) && (*(int *) $frame > 0xc0000000))
set $myebp = *(int *) $frame
set $myeip = *(int *) ($frame + 4)
if ($fno == $arg0)
printf " frame %d at %p: ebp %8x, eip ", $fno, $frame, $myebp
x/1i $myeip
printf "Called from %8x, stack frame at %8x\n", *(int *) ($myebp+4), *(int *) $myebp
printf "last 20 local variables:\n"
x/20x ($myebp-80)
printf "call parameters:\n"
x/8x ($myebp+8)
set $searching = 0
else
set $frame = $myebp
set $fno = $fno + 1
end
end
if ($searching == 1)
echo frame not found\n
end
else
printf "process %d is not loaded in memory\n", $myvectorproc->p_pid
end
end
document fr
Show the frame of the stack of the process previously selected with 'defproc'.
end

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# $FreeBSD$
# General kernel macros
# Print the command name of the current process
define pname
p (char *)curproc->p_comm
end
document pname
Print the command name of the current process
end
# Show contents of bp supplied as first parameter:
#
# (gdb) bpp bp
define bpp
set $bp = (struct buf *) $arg0
if $bp->b_io.bio_dev
printf " Buffer at 0x%x: dev 0x%x data 0x%x bcount 0x%x blkno 0x%x resid 0x%x\n", \
$bp, \
$bp->b_io.bio_dev->si_udev, \
$bp->b_io.bio_data, \
$bp->b_io.bio_bcount, \
$bp->b_io.bio_blkno, \
$bp->b_io.bio_resid
else
printf " Buffer at 0x%x: dev (none) data 0x%x bcount 0x%x blkno 0x%x resid 0x%x\n", \
$bp, \
$bp->b_io.bio_data, \
$bp->b_io.bio_bcount, \
$bp->b_io.bio_blkno, \
$bp->b_io.bio_resid
end
printf " flags 0x%x: ", $bp->b_flags
if $bp->b_flags & 0x10
printf "busy "
end
if $bp->b_flags & 0x40
printf "call "
end
if $bp->b_flags & 0x200
printf "done "
end
if $bp->b_flags & 0x800
printf "error "
end
if $bp->b_flags & 0x40000
printf "phys "
end
if $bp->b_flags & 0x100000
printf "read "
end
printf "\n"
end
document bpp
Show summary information about the buffer header (struct bp) pointed
at by the parameter.
end
# Show more detailed contents of bp supplied as first parameter:
#
# (gdb) bpl bp
define bpl
set $bp = (struct buf *) $arg0
printf "b_proc: "
output $bp->b_proc
printf "\nb_flags: "
output $bp->b_flags
printf "\nb_qindex: "
output $bp->b_qindex
printf "\nb_usecount: "
output $bp->b_usecount
printf "\nb_error: "
output $bp->b_error
printf "\nb_bufsize: "
output $bp->b_bufsize
printf "\nb_io.bio_bcount: "
output $bp->b_io.bio_bcount
printf "\nb_io.bio_resid: "
output $bp->b_io.bio_resid
printf "\nb_io.bio_dev: "
output $bp->b_io.bio_dev
printf "\nb_io.bio_data: "
output $bp->b_io.bio_data
printf "\nb_kvasize: "
output $bp->b_kvasize
printf "\nb_lblkno: "
output $bp->b_lblkno
printf "\nb_io.bio_blkno: "
output $bp->b_io.bio_blkno
printf "\nb_iodone: "
output $bp->b_iodone
printf "\nb_vp: "
output $bp->b_vp
printf "\nb_dirtyoff: "
output $bp->b_dirtyoff
printf "\nb_dirtyend: "
output $bp->b_dirtyend
printf "\nb_generation: "
output $bp->b_generation
printf "\nb_rcred: "
output $bp->b_rcred
printf "\nb_wcred: "
output $bp->b_wcred
printf "\nb_validoff: "
output $bp->b_validoff
printf "\nb_validend: "
output $bp->b_validend
printf "\nb_pblkno: "
output $bp->b_pblkno
printf "\nb_saveaddr: "
output $bp->b_saveaddr
printf "\nb_savekva: "
output $bp->b_savekva
printf "\nb_driver1: "
output $bp->b_driver1
printf "\nb_driver2: "
output $bp->b_driver2
printf "\nb_spc: "
output $bp->b_spc
printf "\nb_npages: "
output $bp->b_npages
printf "\n"
end
document bpl
Show detailed information about the buffer header (struct bp) pointed
at by the parameter.
end
# Show contents of buffer header in local variable bp.
define bp
bpp bp
end
document bp
Show information about the buffer header pointed to by the
variable bp in the current frame.
end
# Show data of buffer header in local variable bp as string.
define bpd
printf "Buffer data:\n%s", (char *) bp->b_io.bio_data
end
document bpd
Show the contents (char*) of bp->data in the current frame.
end
document bpl
Show detailled information about the buffer header (struct bp) pointed
at by the local variable bp.
end
define bx
printf "\n b_vnbufs "
output/x bp->b_vnbufs
printf "\n b_freelist "
output/x bp->b_freelist
printf "\n b_act "
output/x bp->b_act
printf "\n b_flags "
output/x bp->b_flags
printf "\n b_qindex "
output/x bp->b_qindex
printf "\n b_usecount "
output/x bp->b_usecount
printf "\n b_error "
output/x bp->b_error
printf "\n b_bufsize "
output/x bp->b_bufsize
printf "\n b_io.bio_bcount "
output/x bp->b_io.bio_bcount
printf "\n b_io.bio_resid "
output/x bp->b_io.bio_resid
printf "\n b_io.bio_dev "
output/x bp->b_io.bio_dev
printf "\n b_io.bio_data "
output/x bp->b_io.bio_data
printf "\n b_kvasize "
output/x bp->b_kvasize
printf "\n b_io.bio_blkno "
output/x bp->b_io.bio_blkno
printf "\n b_iodone_chain "
output/x bp->b_iodone_chain
printf "\n b_vp "
output/x bp->b_vp
printf "\n b_dirtyoff "
output/x bp->b_dirtyoff
printf "\n b_validoff "
output/x bp->b_validoff
echo \n
end
# Switch back to ddb
define ddb
set boothowto=0x80000000
s
end
document ddb
Switch back to ddb.
end
# ps: equivalent of the userland command
define ps
set $nproc = nprocs
set $aproc = allproc.lh_first
set $proc = allproc.lh_first
printf " pid proc addr uid ppid pgrp flag stat comm wchan\n"
while (--$nproc >= 0)
set $pptr = $proc.p_pptr
if ($pptr == 0)
set $pptr = $proc
end
if ($proc.p_state)
set $thread = $proc->p_threads.tqh_first
while ($thread)
printf "%5d %08x %08x %4d %5d %5d %06x %d %-10s ", \
$proc.p_pid, $aproc, \
$proc.p_uarea, $proc.p_ucred->cr_ruid, $pptr->p_pid, \
$proc.p_pgrp->pg_id, $proc.p_flag, $proc.p_state, \
&$proc.p_comm[0]
if ($thread.td_wchan)
if ($thread.td_wmesg)
printf "%s ", $thread.td_wmesg
end
printf "%x", $thread.td_wchan
end
printf "\n"
set $thread = $thread->td_plist.tqe_next
end
end
set $aproc = $proc.p_list.le_next
if ($aproc == 0 && $nproc > 0)
set $aproc = zombproc
end
set $proc = $aproc
end
end
document ps
Show process status. No options.
end
# Specify a process for other commands to refer to.
# Most are machine-dependent.
define defproc
set $nproc = nprocs
set $aproc = allproc.lh_first
set $proc = allproc.lh_first
while (--$nproc >= 0)
if ($proc->p_pid == $arg0)
set $pptr = $proc.p_pptr
if ($pptr == 0)
set $pptr = $proc
end
set $myvectorproc = $proc
if ($proc.p_stat)
printf "%5d %08x %08x %4d %5d %5d %06x %d %-10s ", \
$proc.p_pid, $aproc, \
$proc.p_uarea, $proc.p_cred->p_ruid, $pptr->p_pid, \
$proc.p_pgrp->pg_id, $proc.p_flag, $proc.p_stat, \
&$proc.p_comm[0]
if ($proc.p_wchan)
if ($proc.p_wmesg)
printf "%s ", $proc.p_wmesg
end
printf "%x", $proc.p_wchan
end
printf "\n"
end
btpp
set $nproc = 0
else
set $proc = $proc.p_list.le_next
end
end
end
document defproc
Specify a process for btpp and fr commands.
end
define vdev
if (vp->v_type == VBLK)
p *vp->v_un.vu_spec.vu_specinfo
printf "numoutput: %d\n", vp->v_numoutput
else
echo "Not a block device"
end
end
document vdev
Show some information of the vnode pointed to by the local variable vp.
end
# Kludge. When changing macros, it's convenient to copy and paste
# definitions from the editor into the debugger window.
# Unfortunately, gdb insists on asking for confirmation after the
# "define" line. y enables you to insert the confirmation in the
# definition without affecting the way the macro runs (much).
define y
echo Check your .gdbinit, it contains a y command\n
end
# kldstat(1) lookalike
define kldstat
set $file = linker_files.tqh_first
printf "Id Refs Address Size Name\n"
while ($file != 0)
printf "%2d %4d 0x%8x %8x %s\n", \
$file->id, \
$file->refs, \
$file->address, \
$file->size, \
$file->filename
set $file = $file->link.tqe_next
end
end
document kldstat
Equivalent of the kldstat(9) command, without options.
end
# msgbuf: print msgbuf. Can take forever.
define msgbuf
printf "%s", msgbufp->msg_ptr
end
document msgbuf
Print the system message buffer (dmesg). This can take a long time due to the time it takes to transmit the data across a serial line.
end
# checkmem: check unallocated memory for modifications
# this assumes that DIAGNOSTIC is set, which causes
# free memory to be set to 0xdeadc0de
#
# Use: checkmem offset length
define checkmem
set $offset = $arg0
# XXX sizeof int. Needs changing for 64 bit machines.
# subtract 1 because the last word is always different.
set $length = $arg1 / 4 - 1
set $word = 0
while ($word < $length)
if ((int *) $offset) [$word] != 0xdeadc0de
printf "invalid word 0x%x at 0x%x\n", ((int *) $offset) [$word], &((int *) $offset) [$word]
end
set $word = $word + 1
end
end

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# $FreeBSD$
# gdb macros for debugging Vinum.
# This file gets included from the .gdbinit files in
# the kernel build directory and /var/crash.
# Normally you won't need to include it directly.
# see gdbinit(9) for further details.
# Show information about the request pointed to by the variable rq in the current frame.
define rq
rqq rq
end
document rq
Show information about the request pointed to by the variable rq in the current frame.
end
# Show information about the request (struct rq) pointed at by the parameter
define rqq
set $rq = (struct request *) $arg0
printf "Request: \n"
output/x *$rq
printf "\n"
bpp $rq->bp
set $rqg = $rq->rqg
while ($rqg != 0)
printf "\nRequest group at %x:\n", $rqg
output/x *$rqg
printf "\n"
set $rqno = 0
while ($rqno < $rqg->count)
printf "rqg->rqe [%d]: ", $rqno
rrqe &$rqg->rqe[$rqno]
set $rqno = $rqno + 1
end
set $rqg = $rqg->next
end
end
document rqq
Show information about the request (struct rq) pointed at by the parameter
end
# Show information about the request element pointed to by the variable rqe in the current frame.
define rqe
rrqe rqe
end
document rqe
Show information about the request element pointed to by the variable rqe in the current frame.
end
# Show information about the request element (struct rqe) pointed at by the parameter.
define rrqe
set $rqe = (struct rqelement *) $arg0
printf "sdoffset 0x%x, useroffset 0x%x, dataoffset 0x%x, datalen 0x%x, groupoffset 0x%x, grouplen 0x%x, buflen 0x%x\n", \
$rqe->sdoffset, \
$rqe->useroffset, \
$rqe->dataoffset, \
$rqe->datalen, \
$rqe->groupoffset, \
$rqe->grouplen, \
$rqe->buflen
printf " Flags 0x%x, Subdisk %d Drive %d\n", \
$rqe->flags, \
$rqe->sdno, \
$rqe->driveno
bpp &$rqe->b
end
document rrqe
Show information about the request element (struct rqe) pointed at by the parameter.
end
define rqq0
printf "rq->prq [0].rqe[0].sdno: "
output/x rq->prq[0].rqe[0].sdno
printf "\nBuffer: device: "
output/x rq->prq[0].rqe[0].b.b_dev
printf " data: "
output/x rq->prq[0].rqe[0].b.b_data
printf " length: "
output/x rq->prq[0].rqe[0].b.b_bcount
printf " drive offset: "
output/x rq->prq[0].rqe[0].b.b_blkno
printf " subdisk offset: "
output/x rq->prq[0].rqe[0].sdoffset
printf "\nFlags: "
if (rq->prq[0].rqe[0].b.b_flags & 0x10)
printf "busy "
end
if (rq->prq[0].rqe[0].b.b_flags & 0x200)
printf "done "
end
if (rq->prq[0].rqe[0].b.b_flags & 0x800)
printf "error "
end
if (rq->prq[0].rqe[0].b.b_flags & 0x100000)
printf "read "
end
output/x rq->prq[0].rqe[0].b.b_flags
printf "\nrq->prq [0].rqe[1].sdno: "
output/x rq->prq[0].rqe[1].sdno
printf "\nBuffer: device: "
output/x rq->prq[0].rqe[1].b.b_dev
printf " data: "
output/x rq->prq[0].rqe[1].b.b_data
printf " length: "
output/x rq->prq[0].rqe[1].b.b_bcount
printf " drive offset: "
output/x rq->prq[0].rqe[1].b.b_blkno
printf " subdisk offset: "
output/x rq->prq[0].rqe[1].sdoffset
printf "\nFlags: "
output/x rq->prq[0].rqe[1].b.b_flags
echo \n
end
define rqq1
printf "\nrq->prq [1].rqe[0].sdno: "
output/x rq->prq[1].rqe[0].sdno
printf "\nBuffer: device: "
output/x rq->prq[1].rqe[0].b.b_dev
printf " data: "
output/x rq->prq[1].rqe[0].b.b_data
printf " length: "
output/x rq->prq[1].rqe[0].b.b_bcount
printf " drive offset: "
output/x rq->prq[1].rqe[0].b.b_blkno
printf " subdisk offset: "
output/x rq->prq[1].rqe[0].sdoffset
printf "\nFlags: "
output/x rq->prq[1].rqe[0].b.b_flags
printf "\nrq->prq [1].rqe[1].sdno: "
output/x rq->prq[1].rqe[1].sdno
printf "\nBuffer: device: "
output/x rq->prq[1].rqe[1].b.b_dev
printf " data: 0x%x length 0x%x drive offset 0x%x sd offset 0x%x\n" rq->prq[1].rqe[1].b.b_data,
rq->prq[1].rqe[1].b.b_bcount,
rq->prq[1].rqe[1].b.b_blkno,
rq->prq[1].rqe[1].sdoffset
printf "\nFlags: "
output/x rq->prq[1].rqe[1].b.b_flags
echo \n
end
define xy
bpp
echo stripeoffset
p stripeoffset
echo stripebase
p stripebase
echo sdno
p sdno
echo sdoffset
p sdoffset
echo rqe->sectors
p rqe->sectors
echo rqe->sdoffset
p rqe->sdoffset
end
# kernel equivalent of 'info -V'
define rqi
set $rqipe = rqip
set $rqip = $rqipe + 1
set $rqend = rqinfo + 128
if ($rqip == $rqend)
set $rqip = rqinfo
end
set $done = 0
while ($done == 0)
if ($rqip->bp != 0)
printf "%X:\t%d.%06d\tUBP: %x\t", $rqip, $rqip->timestamp.tv_sec, $rqip->timestamp.tv_usec, $rqip->bp
p $rqip->type
printf " user "
bpp $rqip->bp
if ($rqip->type < loginfo_rqe)
printf " copied"
bpp &$rqip->info
else
rrqe &$rqip->info
end
end
set $rqip = $rqip + 1
if ($rqip == $rqipe)
set $done = 1
end
if ($rqip == $rqend)
set $rqip = rqinfo
end
end
end
define rqinfo
set $rqipe = rqip
set $rqip = $rqipe + 1
set $rqend = rqinfo + 128
if ($rqip == $rqend)
set $rqip = rqinfo
end
set $done = 0
printf "\nTime\t\t\t Event\t\t Buf\tDev\t Offset\tBytes\tSD\tSDoff\tDoffset\tGoffset\n\n"
while ($done == 0)
if ($rqip->bp != 0)
printf "%d.%06d\t", $rqip->timestamp.tv_sec, $rqip->timestamp.tv_usec
if ($rqip->type == loginfo_user_bp)
if ($rqip->info.b.b_flags & 0x00100000)
printf "1VS Read"
else
printf "1VS Write"
end
printf "\t%p\t%d.%d\t0x%-9x\t%ld\n", $rqip->bp, $rqip->devmajor, $rqip->devminor & 0xff, $rqip->info.b.b_blkno, $rqip->info.b.b_bcount
end
if ($rqip->type == loginfo_user_bpl)
if ($rqip->info.b.b_flags & 0x00100000)
printf "2LR Read"
else
printf "2LR Write"
end
printf "\t%p\t%d.%d\t0x%-9x\t%ld\n", $rqip->bp, $rqip->devmajor, $rqip->devminor & 0xff, $rqip->info.b.b_blkno, $rqip->info.b.b_bcount
end
if ($rqip->type == loginfo_rqe)
if ($rqip->info.b.b_flags & 0x00100000)
printf "3RQ Read"
else
printf "3RQ Write"
end
printf "\t%p\t%d.%d\t0x%-9x\t%ld\t%d\t%x\t%x\t%x\n", $rqip->bp, $rqip->devmajor, $rqip->devminor & 0xff, $rqip->info.rqe.b.b_blkno, $rqip->info.rqe.b.b_bcount, $rqip->info.rqe.sdno, $rqip->info.rqe.sdoffset, $rqip->info.rqe.dataoffset, $rqip->info.rqe.groupoffset
end
if ($rqip->type == loginfo_iodone)
if ($rqip->info.b.b_flags & 0x00100000)
printf "4DN Read"
else
printf "4DN Write"
end
printf "\t%p\t%d.%d\t0x%-9x\t%ld\t%d\t%x\t%x\t%x\n", $rqip->bp, $rqip->devmajor, $rqip->devminor & 0xff, $rqip->info.rqe.b.b_blkno, $rqip->info.rqe.b.b_bcount, $rqip->info.rqe.sdno, $rqip->info.rqe.sdoffset, $rqip->info.rqe.dataoffset, $rqip->info.rqe.groupoffset
end
if ($rqip->type == loginfo_raid5_data)
if ($rqip->info.b.b_flags & 0x00100000)
printf "5RD Read"
else
printf "5RD Write"
end
printf "\t%p\t%d.%d\t0x%-9x\t%ld\t%d\t%x\t%x\t%x\n", $rqip->bp, $rqip->devmajor, $rqip->devminor & 0xff, $rqip->info.rqe.b.b_blkno, $rqip->info.rqe.b.b_bcount, $rqip->info.rqe.sdno, $rqip->info.rqe.sdoffset, $rqip->info.rqe.dataoffset, $rqip->info.rqe.groupoffset
end
if ($rqip->type == loginfo_raid5_parity)
if ($rqip->info.b.b_flags & 0x00100000)
printf "6RP Read"
else
printf "6RP Write"
end
printf "\t%p\t%d.%d\t0x%-9x\t%ld\t%d\t%x\t%x\t%x\n", $rqip->bp, $rqip->devmajor, $rqip->devminor & 0xff, $rqip->info.rqe.b.b_blkno, $rqip->info.rqe.b.b_bcount, $rqip->info.rqe.sdno, $rqip->info.rqe.sdoffset, $rqip->info.rqe.dataoffset, $rqip->info.rqe.groupoffset
end
if ($rqip->type == loginfo_sdio)
if ($rqip->info.b.b_flags & 0x00100000)
printf "7VS Read"
else
printf "7VS Write"
end
printf "\t%p\t\t 0x%-9x\t%ld\t%d\n", $rqip->bp, $rqip->info.b.b_blkno, $rqip->info.b.b_bcount, $rqip->devminor & 0xff
end
if ($rqip->type == loginfo_sdiol)
if ($rqip->info.b.b_flags & 0x00100000)
printf "8LR Read"
else
printf "8LR Write"
end
printf "\t%p\t%d.%d\t0x%-9x\t%ld\n", $rqip->bp, $rqip->devmajor, $rqip->devminor & 0xff, $rqip->info.b.b_blkno, $rqip->info.b.b_bcount
end
if ($rqip->type == loginfo_lockwait)
printf "Lockwait %p\t%d\t 0x%x\n", $rqip->bp, $rqip->info.lockinfo.plexno, $rqip->info.lockinfo.stripe
end
if ($rqip->type == loginfo_lock)
printf "Lock \t%p\t%d\t 0x%x\n", $rqip->bp, $rqip->info.lockinfo.plexno, $rqip->info.lockinfo.stripe
end
if ($rqip->type == loginfo_unlock)
printf "Unlock \t%p\t%d\t 0x%x\n", $rqip->bp, $rqip->info.lockinfo.plexno, $rqip->info.lockinfo.stripe
end
if ($rqip->type == loginfo_sdiodone)
if ($rqip->info.b.b_flags & 0x00100000)
printf "9DN Read"
else
printf "9DN Write"
end
printf "\t%p\t\t 0x%-9x\t%ld\t%d\n", $rqip->bp, $rqip->info.b.b_blkno, $rqip->info.b.b_bcount, $rqip->devminor
end
end
set $rqip = $rqip + 1
if ($rqip == $rqipe)
set $done = 1
end
if ($rqip == $rqend)
set $rqip = rqinfo
end
end
end
document rqinfo
Show the Vinum request log buffer, like 'vinum info -V'
end
define meminfo
y
printf "Block\t\tTime\t\tSequence\t size\t address\t line\t\tfile\n"
set $i = 0
while $i < malloccount
printf "%6d\t%10d.%06d\t%6d\t\t%6d\t0x%08x\t%6d\t\t%s\n", $i, malloced [$i].time.tv_sec, malloced [$i].time.tv_usec, malloced [$i].seq, malloced[$i].size, malloced[$i].address, malloced[$i].line, &malloced[$i].file
set $i = $i + 1
end
end
document meminfo
Equivalent of 'vinum info -v' command
end
define finfo
y
printf "Block\t\tTime\t\tSequence\t size\t address\t line\t\tfile\n"
set $i = lastfree
set $j = 0
while $j < 64
if $i == 64
set $i = 0
end
if freeinfo[$i].line != 0
printf "%6d\t%10d.%06d\t%6d\t\t%6d\t0x%08x\t%6d\t\t%s\n", $i, freeinfo [$i].time.tv_sec, freeinfo [$i].time.tv_usec, freeinfo [$i].seq, freeinfo[$i].size, freeinfo[$i].address, freeinfo[$i].line, &freeinfo[$i].file
end
set $i = $i + 1
set $j = $j + 1
end
end
document finfo
Equivalent of 'vinum info -v' command
end