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    SubjectRe: [RFC] [PATCH 1/2] binary stream format for /proc/stat
    From
    2012年4月1日6:36 Jan Engelhardt <jengelh@medozas.de>:
    >
    > On Saturday 2012-03-31 23:23, Hiroyuki Kamezawa wrote:
    >>>
    >>> Rather than adding more obscure formats and fields to /proc(/N)/stat, we
    >>> should pursue descriptive lines like in /proc/N/status.
    >>> Or, if so desired, sysfs-style splitted attributes where the filename
    >>> takes on the description.
    >>
    >>Yes, I like format like /proc/N/status , /proc/meminfo...which is
    >>readable to me.
    >>But when I wrote this patch, I didn't want to break current format.
    >>
    >>My concern on sysfs-style one data per a file is that it will add many
    >>open/close and making top/ps/sar slow.
    >
    > Or you go netlink. That gives you a binary format.
    >
    > That said however, binary does not always mean faster. (It's curious
    > to see that generating and grepping through the text dump of the
    > Windows registry is faster than letting regedit.exe search through
    > the binary tree.)

    I agree. I need to consider more.

    I'm now thinking of adding some data filtering feature of /proc contents
    may be helpful rather than adding complex format...then we can skip
    some heavy calls if allowd.

    Thanks,
    -Kame


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