Hi Arjan, On 2/26/07, Arjan van de Ven <arjan@xxxxxxxxxxxxx> wrote:
On Sat, 2007-02-24 at 20:33 +0000, Liran wrote: > I want to develop a kernel module that will be used to account for the > input/output of files on the system > and was wondering about doing it by intercepting the open() / read() / write() > system calls with their size attributes > and using that as a counter. (Later on, I wish to attach to a specific pid or > account for all i/o for a specific user but that's later). I think your first misconception is that all IO starts with a syscall... that's actually very much not the case (hint: mmap'd areas).
Can you please elaborate ? whare / what apps make use of mmap'd areas ? Thank You naziir.
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