Re: [RFC PATCH v2 3/4] irq: Introduce IRQ_HANDLED_MANY

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Feb 21 2024 at 16:41, Thomas Gleixner wrote:
> On Wed, Feb 21 2024 at 02:39, Leonardo Bras wrote:
> But as I pointed out above the detection logic is flawed due to the
> unconditional accumulation. Can you give the uncompiled below a test
> ride with your scenario?

Bah. Ignore this. I misread the code completely. No idea where my brain
was.

This thing triggers only when there are 100K interrupts and 99.9k of
them unhandled. The 100k total resets the unhandled counts.

Though one thing which strikes me odd is that this actually triggers at
all because it needs 99.9k unhandled out of 100k total. That means on
average every thread handler invocation handles 1000 hardware interrupts
in one go. Is that even realistic?

Thanks,

        tglx






[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux PPP]     [Linux FS]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Linmodem]     [Device Mapper]     [Linux Kernel for ARM]

  Powered by Linux