From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Vishnu Motghare <vishnumotghare@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Marc Zyngier <marc.zyngier@arm.com>
Subject: Re: How to print stack uses of IRQ in ARM64
Date: Tue, 5 Jun 2018 16:12:40 +0300 [thread overview]
Message-ID: <CAHp75VcTvMKy8h_2gztav2FOUvE1QG01FByTNmc=x0bdyRx5Dg@mail.gmail.com> (raw)
In-Reply-To: <CADSz7_cqdKnmOm07Ykv5L9d2qscfKNmf7Vz=yW2Nf8PWsnsJaA@mail.gmail.com>
If you would like to get an answer in a reasonable time it might make
sense to Cc: people related to a subject.
I Cc:ed Marc here with hope he is a guy for the topic.
On Thu, May 31, 2018 at 1:01 PM, Vishnu Motghare
<vishnumotghare@gmail.com> wrote:
> I found this discussion (https://lwn.net/Articles/657969/) regarding
> implementation of separate IRQ stack for ARM64.
>
> My understanding is each CPU getting its own IRQ stack. So is it
> possible to print the stack uses of each IRQ handler? like, How much
> stack is used & how much left free ?
>
> like in process context we have API like stack_not_used(struct
> task_struct *p) to get the unused stack of processes. So, is it
> possible to get the similar result for IRQ?
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2018-06-05 13:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-31 10:01 How to print stack uses of IRQ in ARM64 Vishnu Motghare
2018-06-05 13:12 ` Andy Shevchenko [this message]
2018-06-05 17:40 ` James Morse
2018-05-31 10:07 Vishnu Motghare
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