Hi all,
Thus far, I've been testing my kernel patches in a KVM vm with a full
distro installation, but it's pretty slow and cumbersome.
Valerie Aurora has a blog post on using User-mode Linux, and others
mention QEMU with an overlay filesystem and BusyBox.
What do people recommend for quick iter
On Fri, 16 Nov 2018 11:44:36 +0530, Pintu Agarwal said:
> > If your question is "Did one
> > of the CPUs blow out its IRQ stack (or come close to doing so)?" there's
> > better
> > approaches.
> >
> Yes, exactly, this is what the main intention.
> If you have any better idea about this approach,
On Fri, Nov 16, 2018 at 5:03 PM wrote:
>
> On Fri, 16 Nov 2018 11:44:36 +0530, Pintu Agarwal said:
>
> > > If your question is "Did one
> > > of the CPUs blow out its IRQ stack (or come close to doing so)?" there's
> > > better
> > > approaches.
> > >
> > Yes, exactly, this is what the main inten
On Fri, 16 Nov 2018 20:10:28 +0530, Pintu Agarwal said:
> > Look at the code controlled by '#ifdef CONFIG_DEBUG_STACK_USAGE'
> For example: is it possible to keep storing the irq_stack_usage (for
> each cpu in a variable) information from boot time, and then use this
> variable to dump the irq_st
On Fri, Nov 16, 2018 at 5:39 PM Laurence Rochfort <
laurence.rochf...@gmail.com> wrote:
> Hi all,
>
> Thus far, I've been testing my kernel patches in a KVM vm with a full
> distro installation, but it's pretty slow and cumbersome.
>
> Hi
Hmmm, weird, assuming your CPU had VT-x/AMD-V enabled, KVM
On Fri, Nov 16, 2018 at 10:16 PM wrote:
>
> On Fri, 16 Nov 2018 20:10:28 +0530, Pintu Agarwal said:
>
> > > Look at the code controlled by '#ifdef CONFIG_DEBUG_STACK_USAGE'
>
> > For example: is it possible to keep storing the irq_stack_usage (for
> > each cpu in a variable) information from boot
On Fri, 16 Nov 2018 23:13:48 +0530, Pintu Agarwal said:
> On Fri, Nov 16, 2018 at 10:16 PM wrote:
> > Congrats. You just re-invented DEBUG_STACK_USAGE, which just keeps a
> > high-water mark
> > for stack usage.
>
> So, you mean to say, my implementation is good enough to get the
> irq_stack usa
