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From: Thomas Gleixner <tglx@kernel.org>
To: Shrikanth Hegde <sshegde@linux.ibm.com>, LKML
 <linux-kernel@vger.kernel.org>
Cc: x86@kernel.org, Michael Kelley <mhklinux@outlook.com>, Dmitry Ilvokhin
 <d@ilvokhin.com>, Radu Rendec <radu@rendec.net>, Jan Kiszka
 <jan.kiszka@siemens.com>, Kieran Bingham <kbingham@kernel.org>, Florian
 Fainelli <florian.fainelli@broadcom.com>, Marc Zyngier <maz@kernel.org>
Subject: Re: [patch V6 05/16] x86/irq: Suppress unlikely interrupt stats by
 default
In-Reply-To: <f189bab3-05ab-4815-a3e1-3365b3855731@linux.ibm.com>
References: <20260517194421.705253664@kernel.org>
 <20260517194931.276486277@kernel.org>
 <f189bab3-05ab-4815-a3e1-3365b3855731@linux.ibm.com>
Date: Thu, 21 May 2026 22:46:34 +0200
Message-ID: <87ik8gv6c5.ffs@tglx>
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On Thu, May 21 2026 at 21:22, Shrikanth Hegde wrote:
> On 5/18/26 1:31 AM, Thomas Gleixner wrote:
>>   	for (unsigned int i = 0; i < ARRAY_SIZE(irq_stat_info); i++, info++) {
>> -		if (info->skip_vector)
>> +		if (!test_bit(i, irq_stat_count_show))
>>   			continue;
>
> If this is done, then those lines will be absent in /proc/interrupts right?
>
> If there was a tool expecting these entries, it will fail get to see that entry.
> Is that ok?

I checked the obvious tools and they don't care. They have no
expectations of what's there as that varies due to Kconfig settings,
architectures etc.

Thanks,

        tglx