kernhist revision 1.2.2.2 1 1.2.2.2 skrll # $NetBSD: kernhist,v 1.2.2.2 2016/05/29 08:44:37 skrll Exp $
2 1.2.2.2 skrll
3 1.2.2.2 skrll # by mrg and skrll
4 1.2.2.2 skrll
5 1.2.2.2 skrll define kernhist
6 1.2.2.2 skrll dont-repeat
7 1.2.2.2 skrll
8 1.2.2.2 skrll set $hist = (struct kern_history *)&$arg0
9 1.2.2.2 skrll set $histf = $hist->f
10 1.2.2.2 skrll set $histn = $hist->n
11 1.2.2.2 skrll set $lcv = $histf
12 1.2.2.2 skrll
13 1.2.2.2 skrll printf "Kernel history %s has %d entries (next free %d)\n", $hist->name, $histn, $histf
14 1.2.2.2 skrll while (1)
15 1.2.2.2 skrll set $e = $hist->e[$lcv]
16 1.2.2.2 skrll set $fmt = $e.fmt
17 1.2.2.2 skrll
18 1.2.2.2 skrll if ($fmt)
19 1.2.2.2 skrll printf "%06lx.%06d ", $e.tv.tv_sec, $e.tv.tv_usec
20 1.2.2.2 skrll printf "%s#%ld@%d: ", $e.fn, $e.call, $e.cpunum
21 1.2.2.2 skrll printf "%s: %lx %lx %lx %lx\n", $fmt, $e.v[0], $e.v[1], $e.v[2], $e.v[3]
22 1.2.2.2 skrll set $lcv = ($lcv + 1) % $histn
23 1.2.2.2 skrll else
24 1.2.2.2 skrll if ($histf == 0)
25 1.2.2.2 skrll printf "No entries\n"
26 1.2.2.2 skrll loop_break
27 1.2.2.2 skrll end
28 1.2.2.2 skrll # if fmt is NULL and hist->f isn't zero, skip back to
29 1.2.2.2 skrll # the start of the list since it hasn't looped yet.
30 1.2.2.2 skrll set $lcv = 0
31 1.2.2.2 skrll end
32 1.2.2.2 skrll
33 1.2.2.2 skrll if ($lcv == $histf)
34 1.2.2.2 skrll loop_break
35 1.2.2.2 skrll end
36 1.2.2.2 skrll end
37 1.2.2.2 skrll end
38 1.2.2.2 skrll document kernhist
39 1.2.2.2 skrll dump a kernel hist. eg, "kernhist usbhist". note that the format
40 1.2.2.2 skrll is not expanded due to there being now way to pass a variable format
41 1.2.2.2 skrll string to gdb's printf.
42 1.2.2.2 skrll end
43