Counting access to proc file.

From: Frank (nospam_at_nospam.net)
Date: 02/23/05

  • Next message: Malte: "Re: Team System ? ?" 
    Date: Wed, 23 Feb 2005 07:49:04 +0100

    Hi,

    I've just started to try to write my first module for linux. The module
    can only output some info at a proc entry. Everytime it's called it
    counts how many times it has been called (Just to play some around).
    This is the code to output the data:

    static int proc_read_proc(char *page, char **start,
                                 off_t off, int count,
                                 int *eof, void *data)
    {
       int len;
       load_count = load_count + 1;
       len = sprintf(page,"Test entry, called %d times since
    loading\n",load_count);

       dbg("Proc entry called!");
       return len;

    }

    I've expected it to just counts 1 by 1. It starts well, with 1, but then
    continues with 4, 7, 10, 13, etc. It kinda puzzles me. What is causing
    the value not to add properly (as I want ;) )

    Thanks in advanced,

    Frank de Bot

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