RE: /proc/stat missing disk_io info

From: Rainer Mager (
Date: Sun Feb 18 2001 - 21:40:42 EST

Not to be pushy or anything but since I received zero responses to this I
was wondering what else I can do. I'd be happy to patch the problem myself
but I have no idea what the correct value for DK_MAX_MAJOR should be.

Anywho, if anyone has any thoughts I'd appreciate them.


> -----Original Message-----
> I was wondering why some of my disks don't show up in
> /proc/stat's disk_io
> line. Specifically, my line says:
> disk_io: (2,0):(144,144,288,0,0) (3,0):(35,35,140,0,0)
> This equates to my floppy and first cdrom. I also have a second cdrom (RW)
> and 2 hard disks. Looking at the code (kstat_read_proc in
> fs/proc/proc_misc.c) it is looping only up to DK_MAX_MAJOR which
> is defined
> as 16 in kernel_stat.h. The problem is that my 2 HDs have a major
> number of
> 22.
> I don't know enough to produce a patch, that is, what should
> set to, but I believe the above is the problem.

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This archive was generated by hypermail 2b29 : Fri Feb 23 2001 - 21:00:18 EST