linux-kernel - Re: [RFC PATCH 00/13] x86 User Interrupts support

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Message-ID: <469f2dd7-15c5-276e-49ba-93e1b78dd9db@intel.com>
Date:   Thu, 23 Sep 2021 16:24:32 -0700
From:   Sohil Mehta <sohil.mehta@...el.com>
To:     Greg KH <gregkh@...uxfoundation.org>
CC:     "Hansen, Dave" <dave.hansen@...el.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Luck, Tony" <tony.luck@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>,
        "Lutomirski, Andy" <luto@...nel.org>, Jens Axboe <axboe@...nel.dk>,
        Christian Brauner <christian@...uner.io>,
        Peter Zijlstra <peterz@...radead.org>,
        Shuah Khan <shuah@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Jonathan Corbet <corbet@....net>,
        "Raj, Ashok" <ashok.raj@...el.com>,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>,
        "Kammela, Gayatri" <gayatri.kammela@...el.com>,
        "Zeng, Guang" <guang.zeng@...el.com>,
        "Williams, Dan J" <dan.j.williams@...el.com>,
        "Witt, Randy E" <randy.e.witt@...el.com>,
        "Shankar, Ravi V" <ravi.v.shankar@...el.com>,
        "Thomas, Ramesh" <ramesh.thomas@...el.com>,
        "linux-api@...r.kernel.org" <linux-api@...r.kernel.org>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>
Subject: Re: [RFC PATCH 00/13] x86 User Interrupts support

On 9/23/2021 7:09 AM, Greg KH wrote:
> Also, you forgot to list Binder in the above IPC type.
>
Thanks for pointing that out. In the LPC discussion today there was also 
a suggestion to compare this with Futex wake.

I'll include a comparison with Binder and Futex next time.

I used this IPC benchmark this time but it doesn't include Binder and Futex.

https://github.com/goldsborough/ipc-bench

Would you know if there is anything out there that is more comprehensive 
for benchmarking IPC?

Thanks,

Sohil