On Sun, 2025-02-02 at 21:47 -0800, Andi Kleen wrote:
> >
> > If I reading this right, calls to get_next_line lead to insertions
> > into
> > the ring buffer whilst the buffer is empty or the last line in the
> > ring
> > buffer cache is m_line_num - 1.
> >
> > There are a few places where we upda
>
> If I reading this right, calls to get_next_line lead to insertions into
> the ring buffer whilst the buffer is empty or the last line in the ring
> buffer cache is m_line_num - 1.
>
> There are a few places where we update m_line_num, but this caching
> code doesn't seem to touch those places
On Sat, 2025-01-25 at 23:30 -0800, Andi Kleen wrote:
> From: Andi Kleen
>
> For larger files the file_cache line index will be spread out to make
> the index fit into the fixed buffer, so any access to the non latest
> line
> will need some skipping of lines.
>
> Most accesses for line are near
